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City of Renton LONG RANGE WASTEWATER MANAGEMENT PLAN January 2009 This plan was prepared under the direction of the following registered professional engineer. City of Renton LONG RANGE WASTEWATER MANAGEMENT PLAN January 2009 This plan was prepared under the direction of the following registered professional engineer. City of Renton LONG-RANGE WASTEWATER MANAGEMENT PLAN TABLE OF CONTENTS Page No. CHAPTER 1 SUMMARY AND INTRODUCTION...............................................................1-1 1-1 PURPOSE OF PLAN ........................ ................ ....... ..................................... I ........... 1-1 1.2 SCOPE OF STUDY ...... .......................................................................................... ...1-2 1.3 PLAN REQUIREMENTS...........................................................................................1-3 1.4 EXISTING SEWER SYSTEM .................................................... ............................... 1-4 1.5 POLICIES AND DESIGN CRITERIA......................................................... ............... 1-4 1.6 PLANNING CONSIDERATIONS..............................................................................1-4 1-7 KEY ISSUES ............................................ ..............................................---........--.--...1-5 1.8 SYSTEM ANALYSIS.................................................................................................1-5 1.9 SEPA AND APPROVAL PROCESS ............................................... .......................... 1-6 1.10 CONCLUSIONS AND RECOMMENDATIONS..................................................... ...1-6 CHAPTER 2 OVERVIEW OF EXISTING SEWER SYSTEM ......................................... .... 2-1 2.1 OVERVIEW OF EXISTING SYSTEM ................................................... •................... 2-1 2.2 SYSTEM HISTORY.. ...... ................................................................ ......................... 2-1 2.3 SYSTEM COMPONENTS.........................................................................................2-3 2A WASTEWATER COLLECTION BASINS.... .... - ....................................................... 2-4 2.4.1 West Cedar River Basin ......................... :...................................................... 2-4 2.4.2 East Cedar River Basin ...... ......... :....................... ........... ... . ....... ..................... 2-4 2.4.3 East Lake Washington Basin .................. -..................................................... 2-6 2.4.4 Black River Basin..........................................................................................2-6 2.4.5 Downtown Basin ............................................... ............... .............................. 2-6 2.4.6 May Valley Basin...........................................................................................2-6 2.5 INTERCEPTORS AND COLLECTION SYSTEMS .................................... ............... 2-7 2.5.1 Existing Sewers.............................................................................................2-7 2.5.2 Interceptors....................................................................................................2-9 2.5.3 King County Connections........................................................................... 2-11 2.6 LIFT STATIONS.................................................................................................... 2-11 2.6.1 Airport Lift Station......................................................................................• 2-15 2.6.2 Baxter Lift Station....................................................................................... 2-15 2-6.3 Cottonwood Lift Station.............................................................................. 2-15 2.6.4 Denny's Lift Station..................................................................................... 2-15 2.6.5 Devil's Elbow Lift Station ................................ ... ....................................... 2-16 2.6.6 Earlington Lift Station................................................................................. 2-16 2.6.7 East Renton Lift Station............................................................................. 2-16 2.6.8 East Valley Lift Station............................................................................... 2-16 2.6.9 Evendell Lift Station............................................................................. 2-16 2.6.10 falcon Ridge Lift Station............................................................................ 2-17 2.6.11 Highlands Estates Lift Station................ ......................................... 2-17 2.6.12 Kensington Crest Lift Station...................................................................... 2-17 2.6.13 Lake Washington Beach Lift Station_ ....................................................... 2-17 January 2009 i 2.6.14 Lake Washington Flush Lift Station....................................................... 2.6.15 Lake Washington No. 2 Lift Station....................................................... 2.6.16 Lind Avenue Lift Station......................................................................... 2.6.17 Long Lift Station..................................................................................... 2.6.18 Misty Cove Lift Station........................................................................... 2.6.19 Stonegate Lift Station .......... .................. .................. ....... ........-.-..--_----- 2.6.20 Surnmerwind Lift Station........................................................................ 2.6.21 Talbot Crest Lift Station......................................................................... 2.6.22 Wedgewood Lift Station......................................................................... 2.6.23 Westview Lift Station.............................................................................. 2.7 TELEMETRY AND CONTROL SYSTEM.......................................................... 2.8 OPERATION AND MAINTENANCE.................................................................. ...2-17 ... 2-17 ... 2-18 ...2-18 ... 2-18 ... 2-18 ...2-19 ... 2-19 ... 2-19 ...2-19 ...2-19 ...2-21 CHAPTER 3 OPERATIONAL POLICIES........................................................................... 3-1 3.1 INTRODUCTION....................................................................................................... 3-1 3.2 GOAL........................................................................................................................3-1 3.3 WASTEWATER UTILITY POLICIES AND REGULATIONS....................................3-2 CHAPTER 4 PLANNING CONSIDERATIONS AND DESIGN CRITERIA ........................ 4-1 4.1 INTRODUCTION.......................................................................................................4-1 4.2 PLANNING AREA.....................................................................................................4-1 4.3 LAND USE................................................................................................................4-3 4.3.1 City Of Renton Land Use..............................................................................4-3 4.3.2 City of Renton Land Use Designations ....................... ............... ......... •......... 4-5 4.3.3 King County Land Use................................................................................4-11 4.3.4 City of Kent Land Use ........................................ .........................4-11 4.3.5 City of Tukwila Land Use............................................................................4-11 4.3.6 Adjacent Utility Systems/Joint Use, Service Agreements and RelatedPlans..............................................................................................4-12 4.3.7 City of Renton - Aquifer Protection Ordinance...........................................4-16 4.4 DEMOGRAPHIC ANALYSIS..................................................................................4-18 4.5 ANALYSIS AND DESIGN CRITERIA.....................................................................4-19 4.5.1 Wastewater Flow Rates - Definition...........................................................4-19 4.5.2 Wastewater Flow Criteria............................................................................4-19 4.5.3 Sanitary Sewer Design Criteria...................................................................4-23 4.5.4 Lift Station Design Criteria..........................................................................4-25 4.5.5 Elimination of Lift Station Facilities ....................... ...................................... 4-27 CHAPTER 5 SYSTEM ANALYSIS AND RESULTS .................................... ...................... 5-1 5.1 INTRODUCTION.......................................................................................................5-1 5.1-1 Hydraulic Analysis.........................................................................................5-2 5.1.2 Structural Analysis........................................................................................5-6 5.1.3 Lift Station Analysis.......................................................................................5-7 5.2 SYSTEM -WIDE CONCERNS...................................................................................5-7 5.2.1 King County -Interceptor Surcharge ............................. .......................... ....... 5-7 5.2.2 Adjacent Utility Systems ..................................... ........................................... 5-8 5.2.3 Hazard Mitigation Plan..................................................................................5-8 5.2-4 Septic Systems..............................................................................................5-9 5.2.5 Wastewater Quality.....................................................................................5-10 5.2.6 Wastewater Quality Analysis and Recommendations ............................ ....5-11 January 2009 5.2.7 Infiltration and Inflow......................................................... ........... ............ 5-13 5.3 WASTEWATER COLLECTION BASINS .............................................................. 5-14 5.3.1 West Cedar River Basin............................................................................. 5-15 5.3.2 East Cedar River Basin ......................... ---......................... •- .--................... 5-18 5.3.3 East Lake Washington Basin..................................................................... 5-19 5.3.4 Black River Basin....................................................................................... 5-24 5.3.5 Downtown Basin....................................••------------.......------..........-....------..... 5-27 5.3-6 May Creek Basin........................................................................................ 5-29 CHAPTER 6 RECOMMENDED IMPROVEMENTS...........................................................6-1 6.1 INTRODUCTION......................................................................................................6-1 6-2 CIP RANKINGS.........................................................................................................6-1 6.2.1 Substandard Facility......................................................................................6-2 6.2.2 System Efficiency----•.....................................................................................6-2 6.2.3 Environmental Protection ............................... -----....------......-------------------------6-2 6.3 CAPITAL IMPROVEMENT DESCRIPTIONS...........................................................6-6 6.3.1 System Wide Improvements.........................................................................6-6 6.3.2 West Cedar River Basin............................................................................. 6-26 6.3-3 East Cedar River Basin.............................................................................. 6-29 6.3.4 East Lake Washington Basin..................................................................... 6-35 6.3.5 Black River Basin....................................................................................... 6-46 6.3.6 Downtown Basin......................................................................................... 6-52 6.3.7 May Valley Basin .............................. ........ ............. .......... .------------ .............. 6-57 6.4 PROPOSED CAPITAL IMPROVEMENT PLAN .................................................... 6-59 CHAPTER 7 OPERATIONS AND MAINTENANCE...........................................................7-1 7.1 INTRODUCTION ..... .................................................................................................. 7-1 7.2 ORGANIZATION STRUCTURE ............................................... ..........7-1 7.3 STAFFING.................................................................................................................7-1 7.3.1 Maintenance and Operations Staff...............................................................7-3 7.3.2 Wastewater Utility Engineering Staff.............................................................7-5 7.4 DEPARTMENTAL COORDINATION............................................................. ........... 7-6 7.5 RECORDS.................................................................................................................7-6 7.5.1 Telemetry ............................................................ .... ............... 7-7 7.5.2 Asset management .............. ......................................................................... 7-8 7.6 CURRENT OPERATION AND MAINTENANCE PROGRAM..................................7-8 7.6.1 Maintenance..................................................................................................7-8 7.6.2 Operations ................................. ................................................................. 7-12 7.7 FUTURE OPERATION AND MAINTENANCE NEEDS ........................................ 7-15 CHAPTER 8 FINANCIAL ANALYSIS.................................................................................8-1 8.1 INTRODUCTION.......................................................................................................8-1 8-2 PAST FINANCIAL PERFORMANCE........................................................................8-2 8.3 CURRENT REVENUE..............................................................................................8-2 8.3.1 Rates ...................................................... ............ ......................................... 8-2 8.3.2 Charges ............. ............................................................................................ 8-2 8.3.3 Fees .................................... . . ..........8-6 8.4 CAPITAL FINANCE PLAN ........................................................ .............. .................. 8-7 8.4.1 City .................................................. ......8-7 8.4.2 King County..................................................................................................8-8 January 2009 iii 8.4.3 Revenue Sources........................................................................................8-12 8.5 SUMMARY .... ............... ........................................................................................... 8-15 LIST OF APPENDICES APPENDIX A Service Agreements APPENDIX B Lift Station Data APPENDIX C SEPA Checklist APPENDIX D Approval Documents LIST OF TABLES Table 1.1 WAC Plan Requirements................................................................................1-3 Table 2.1 Major King County Connections....................................................................2-12 Table 2.2 Lift Stations....................................................................................................2-13 Table 4.1 Land Use of Renton's Sewer Service Area.. . .................................................. 4-9 Table 4.2 Land Use Designations for Areas Outside Renton's PAA............................4-12 Table 4.3 Population Projections by Basin....................................................................4-20 Table 4.4 Wastewater Flow Criteria..............................................................................4-21 Table 4.5 Developed Basin Areas.................................................................................4-23 Table 4.6 Sanitary Sewer Design Criteria .... ................................................................. 4-25 Table 5.1 2001 and Ultimate Peak Flow at each Mini -basin Outlet ........................... ..--- 5-4 Table 5.2 Renton Summary of Active Industrial Waste Permits...................................5-12 Table 6.1 Ranking Summary of Proposed Improvements..............................................6-3 Table 6.2 Proposed Improvements Priority Summary .....................................................6-7 Table 6.3 Sanitary Sewer Main Replacement and Rehabilitation Projects...................6-12 Table 6.4 Cost Breakdown Summary ............................................................................6-59 Table 6.5 Detailed Cost Breakdown For Proposed Improvements...............................6-60 Table 7.1 Staffing Time for Maintenance Activities.........................................................7-4 Table 7.2 Staffing Time for Operations Tasks.................................................................7-5 Table 7.3 Wastewater Utility Engineering Staff Time......................................................7-6 Table 7.4 Wastewater Utility Department Equipment...................................................7-13 Table 7.4 Wastewater Utility Department Equipment...... ............................................. 7-14 Table 8.1 Inflation Rate Summary ...................................................................................8-1 Table 8.2 Past Performance of the Wastewater Utility Operating Fund .........................8-3 Table 8.3 2007 Budget...................................................................................................8-4 Table 8.4 2008 Water Utility Monthly Rates....................................................................8-5 Table8.5 SDC Charge .............................. .............. .................. ............. ......................... 8-5 Table 8.6 Proposed Charges...........................................................................................8-6 Table 8.7 Construction Permit Fees (RMC 4-1-180D)................ .................................... 8-6 Table 8.8 Review and Inspection Fees...........................................................................8-7 Table 8.9 Estimated Future Operation Costs..................................................................8-7 Table 8.10 Funding Sources For Proposed Improvements(')..........................11...............8-9 Table 8.11 Six Year CIP Projections...............................................................................8-12 January 2009 iv LIST OF FIGURES Figure 2.1 Existing Sewer System....................................................................................2-2 Figure 2.2 City Topography Overlaid by Existing Sewer System.....................................2-5 Figure 2.3 Existing System -- Collectors and Interceptors ....... ............. .............------ ........ 2-8 Figure2.4 Pipe Size Summary .........................................................................................2-9 Figure 2.5 Pipe Material Summary ......................... ........................................................... 2-9 Figure 2.6 Lift Station Locations.................................................................................... 2-14 Figure 4.1 Sewer Service Area Adjacent Utility Systems.................................................4-2 Figure4.2 Land Use..........................................................................................................4-6 Figure4.3 Schools........................................................................................................ 4-10 Figure 4.4 Water Facilities and Aquifer Protection Areas .............................................. 4-17 Figure 5.1 Wastewater Collection Basins ---------------------------------------------------------------------- 5-16 Figure 6.1 Summary Map of All Recommended Improvements .................................... 6-10 Figure 7.1 Operations and Maintenance Organization Structure.........................................7-2 January 2009 v Chapter 1 SUMMARY AND INTRODUCTION 1.1 PURPOSE OF PLAN The purpose of the Renton Long -Range Wastewater Management Plan (Plan) is to present policy and design criteria and to recommend facility improvements. It is based on the City's sewer system as it existed as of January 2008. This plan will be used as a guide in maintaining and improving the sanitary sewer system over the next six years in order to provide the Renton Sewer Service Area with an effective, safe and reliable sewer system. While this plan is an update to the 1998 Long -Range Wastewater Management Plan adopted in 1999; it is a re-evaluation of the entire sanitary sewer system and a stand-alone document, not a supplement. A summary of this plan's findings and recommendations are presented in this chapter. The plan results from an evaluation of the existing sanitary sewer system and recommendations to resolve existing deficiencies and concerns, and to accommodate growth. The improvements identified in this plan are based on the requirements of the Washington State Department of Health, Washington State Department of Ecology, King County Comprehensive Plan, and City Comprehensive Plan. The City's Comprehensive Plan is the overall guidance for future growth within the City of Renton. This long-range wastewater management plan is an element of the City's Comprehensive Plan. The Renton sanitary sewer system is large, and because of the topography, complex in its operation. The condition of the current system, as well as the need for improvements, has been documented in this report. Due to the complexity of this system and the number of issues that must be addressed, this report is organized so that a reader may review a summary of it and its recommendations in this chapter without reading the background or detailed information that led to those results. The plan provides a recognized framework for making decisions about Renton's sanitary sewer service area, which includes properties both inside and outside the City limits. It is intended to aid decision -makers as well as users, including the Wastewater Utility, City Council members, the Mayor and staff, builders, developers, community groups, and other government agencies. The plan will be a useful tool in the following ways: As a framework for improvements and operations that govern sanitary sewer system developments in the Renton Wastewater Utility service area. The plan provides a basis for allocating improvements and costs to new sanitary sewer system users such as home and apartment builders, and commercial developers. It thus provides officials with partial direction for approving building permits and upgrading the system. REVIEW DRAFT - January 2009 1-1 To provide a guideline for improving the existing system so that each customer receives adequate sanitary sewer service. It is intended that City officials be able to use these guidelines to maintain a high quality of service at a reasonable cost. To provide a basis for accommodating changes that occur but that cannot be forecast in the plan. To this end, the plan lists policy issues and operational criteria that can be used to develop alternatives and directions for development, improvements, and operations. 1.2 SCOPE OF STUDY The scope of study includes the following: • Coordinate plan with adjacent utility systems and identify areas for potential service area boundary adjustments. • Document City policies regarding growth and service areas. • Estimate wastewater flow rates using land use designations. • Analyze the existing system to determine its deficiencies and needed improvements. • Prepare a Capital Improvement Program and estimate its construction costs. • Document, in summary form, the existing operations and maintenance program and recommend improvements and staff additions. • Analyze the recent financial performance of the sewer utility and develop a financial operating projection statement. This plan is arranged in eight major sections: • Chapter I provides a summary of the recommendations and conclusions presented in this plan. • Chapter II provides a general overview of the existing sewer system and a definition of terms. • Chapter III presents specific policies that guide the operation of the sewer system. • Chapter IV examines the land use policies that guide how the City accommodates growth and presents the land uses, joint use agreements and design criteria that were used to develop wastewater saturation flow rates on which the computer hydraulic analysis was based. • Chapter V describes and analyzes all components in the existing system and presents their recommended improvements. REVIEW DRAFT - January 2009 1-2 Chapter VI further describes the improvements necessary to resolve existing deficiencies and accommodate growth. The proposed improvements are also listed by priority and by project type. Chapter VII examines the operation and maintenance programs for the Wastewater Utility. • Chapter Vlll presents the costs of the proposed improvements and the anticipated user increases that will be necessary to support them. 1.3 PLAN REQUIREMENTS This update to the Plan is inspired by the need to provide constant evaluation of our sewer system and operating policies in order to meet the needs of the customers and to ensure compatibility with the City and County's Comprehensive plans. This updated plan is prepared in conformance with Chapter 173-240 of the Washington Administrative Code (WAC), which requires that a plan include the following information shown in Table 1.1. Table 1.1 WAC Plan Requirements Long -Range Wastewater Management Plan City of Renton Requirement Location in Plan The purpose and need for the proposed plan Chapter 1 A discussion of who will own operate and maintain the system Chapter 2 The existing and proposed service boundaries Figure 2.1 Layout map including: sewer service area boundaries and existing sewers Figure 2.1, 2.2, 2.3 existing sewers and proposed improvements Figure 6.1 existing pump stations and force mains Figure 2.6 topography and elevation Figure 2.2 bodies of water and water systems (sources of supply, treatment Figure 4.4 facilities and stora a reservoirs Population trend and population pr9jection Table 4.3 Existing domestic or industrial wastewater treatment facility Section 2.1 A discussion of any infiltration and inflow problems Section 5.2.7 A statement regarding the provisions for treatment and the adequacy Not included, service of treatment performed by King Count List of all establishments producing wastewater including quantities, Section 5.2.5 periods of production, the character of the wastewater and considerations for future industrial production Location of all existing private and public wells or water supply Figure 4.4 sources Discussion of the alternatives evaluated Chapter 6 A table that shows the cost per service in terms of both debt service Chapter 8 and operation and maintenance costs of all facilities (existing and proposed) A statement regarding compliance with any adopted water quality Chapter 3 management plan A statement regarding compliance with the State Environmental Appendix C Polio Act SEPA REVIEW DRAFT - January 2009 1-3 1.4 EXISTING SEWER SYSTEM The City owns, operates, and maintains its sanitary sewer system. This system consists of approximately 191 miles of gravity sewer, 23 sewage lift stations and force mains, and approximately 5,107 manholes. Wastewater is discharged to King County facilities at 79 locations within the City Service Area from which it is conveyed to and treated by King County's South Treatment Reclamation Plant. The City of Renton Service Area is divided into six major wastewater collection basins: Black River, Downtown, East Cedar River, East Lake Washington, May Valley, and West Cedar River. For the most part, these major collection basins follow the natural drainage patterns of the Renton service area. For the purposes of monitoring and modeling the sanitary sewer system, the major collection basins are divided into one or more model basins. King County developed 11-model basin for the Renton service area as part of its Infiltration and Inflow Program. Each model basin is the area tributary to the downstream location where the City and King County used meters to collect flow data during the 2000/2001 and 2001/2002 flow monitoring seasons for King County's Infiltration and Inflow Program. This flow data was used for the creation and calibration of the City's hydraulic sewer model developed by Roth Hill and used in this Plan. 1.5 POLICIES AND DESIGN CRITERIA Policies, design criteria, and standards used for planning and operating the sanitary sewer system are based on laws and policies that originate from several sources. All these policies and standards have the general purpose of providing an acceptable level of service to the sanitary sewer customers. Policies presented in this plan include the following: customer service policies, financial policies, facility policies, and organizational policies. Analysis and design criteria for the sanitary sewer system are based on standards presented in the Criteria for Sewage Works Design prepared by the Washington State Department of Ecology as well as standards set by King County Department of Natural Resources - Wastewater Treatment Division and the City of Renton. 1.6 PLANNING CONSIDERATIONS The City of Renton Wastewater Utility has a service area that encompasses a wide variety of residential, commercial, and industrial land uses over 13,484 acres. There are several adjacent utility systems surrounding the City's existing service area, which limit the expansion of the City's sewer system. The greatest potential for expansion of the City's sanitary sewer system is within the May Valley, Skyway and East Renton areas that currently either do not have existing or adequate sanitary sewer facilities. Future sewer system requirements are based upon growth projections within the established sewer service area, derived from the Renton Traffic Analysis Zone (RTAZ) REVIEW DRAFT - January 2009 1-4 projections. In addition to the RTAZ projections, future planning data for areas outside the current City boundaries was based on Traffic Analysis Zone (TAZ) data obtained from the Puget Sound Regional Council (PSRC). Based on these sources the residential population within the service area is expected to grow from 44,504 in 2001 to 102,901 by the ultimate saturation year, which represents a growth of approximately 230 percent. The ultimate saturation year is anticipated to be after 2030. The commercial population is excepted to grow from 49,128 in 2001 to 103,357 at ultimate saturation representing a growth of 210 percent. Wastewater flow generation was modeled based on an assumed domestic generation of 100 gals/d-person while infiltration and inflow (111) is modeled at 1,500 gallons per acre per day (gpad). Peak storms were assumed to increase the flow rate by a factor of 2 to 1. 1.7 KEY ISSUES This plan addresses the following key issues: • The need and timing of the replacement of older, deteriorating sanitary sewer facilities within large, neighborhood, size areas of the City. • The evaluation of Renton's facilities for system capacity, to address both system deficiencies and potential development within Renton's sewer service area. • The evaluation of sanitary sewer lift stations for removal, rehabilitation and replacement_ • The City's 1/1 program in coordination with the overall King County program to evaluate option and needs for Ill reduction. • Review of industrial waste and grease discharges to the sewer system and the need for monitoring and coordination with the public to eliminate problems that potentially lead to sewer overflows. Some of these issues were also addressed during preparations of the 1992 and 1998 Long -Range Wastewater Management Plans. 1.8 SYSTEM ANALYSIS A hydraulic and a structural analysis were conducted to determine how well the existing system achieved current policies and technical, engineering standards. The plan identifies where the system failed to meet those objectives and recommends improvements to the existing system or construction of new facilities to achieve them. A hydraulic analysis was performed by a computer simulation of the existing system to determine its ability to convey wastewater at saturation flow rates. The Wastewater Utility's computer model was used to analyze the system and to size future facilities. This model REVIEW DRAFT - January 2009 1-5 was updated in 2006 using the MOUSE software program. The software platform was chosen to be consistent with the software platform used by King County regional infiltration and inflow study. The model was calibrated to the year 2001 and then expanded for the 2030 ultimate buildout condition. This computer model will continue to be used by the City as an analytical, planning and management tool. A structural analysis, which is a visual inspection of the existing system, was also conducted and was based on video, as well as actual, physical inspections. Based on the hydraulic model analysis, flow projections were developed for each mini -basin. Between 2001 and the ultimate buildout, peak flows increased by an average of 1.6 times for each mini -basin. However, seven of the 53 basins actually experienced a decrease in flow with the highest decrease for the ultimate year modeled at 45 percent of the 2001 flow. Additionally, the model projected that for a couple of the mini -basins, the flow increase would be considerably higher than average, with the largest modeled ultimate peak flow increase being 7.65 times greater than the 2001 condition. The analysis revealed deficiencies that cover a broad range of areas. The hydraulic deficiencies identified are inadequate slopes (inability to achieve carrying velocities), insufficient capacity to handle wastewater flow rates, pipes that are less than 8-inches in diameter and sections that have reverse slopes. Structural deficiencies identified are pipe sag, and root and grease problems. The Renton sewer system has these hydraulic and structural problems in varying degrees throughout the system. 1.9 SEPA AND APPROVAL PROCESS A SEPA Checklist has been prepared for this plan and is presented in Appendix C. It is anticipated that this proposed plan will not have a probable significant adverse impact on the environment and that an environmental impact statement (EIS) will not be required. However, many of the projects proposed herein will require SEPA checklists and an engineering determination will be made with each individual project. This plan includes review by adjacent utility systems. All comments are include in Appendix D. 1.10 CONCLUSIONS AND RECOMMENDATIONS In the development of this plan, the following conclusions were reached: 1. A substantial percentage of the system has reached or is reaching the end of its useful life and needs to be replaced. The projects of highest concern are: a. Several system wide projects including: miscellaneous sewer projects and emergency repairs, Earlington sanitary sewer replacements, Renton Central Business District sewer replacement, Renton Hill sanitary sewer replacement. REVIEW DRAFT - January 2009 1-6 b. Two projects in the West Cedar River Basin: Heather Downs/Maplewood interceptor improvement and the Falcon Ridge lift station rehabilitation. c. Several projects in the East Cedar River Basin including: the Central Plateau interceptor, East Cedar River collection sewers, Evendell lift station elimination, East Renton lift station elimination and the Highlands Estates lift station elimination. d. Several projects in the Lake Washington East Basin including: StonegatelSummerwind flow diversion, the Duval interceptor, the Westview lift station replacement/rehabilitation, the Sierra Heights sewer system construction and the Lake Washington Beach lift station rehabilitation. e. Three projects in the Black River Basin including: the Thunder Hill interceptor replacement, the SW 34th street interceptor replacement and the Lind Avenue lift station rehabilitation. Several projects in the Downtown Basin including: Earlington lift station elimination, the Shattuck Ave S. interceptor downsizing, the Renton Center sewer extension, the Airport lift station rehabilitation and the North Earlington collection system. g_ Two projects in the May Valley Basin including: the Misty Cove/Baxter lift station replacement, and the Denny's lift station rehabilitation. 2. Continue development of the gravity sewer system in order to allow the elimination of existing sewage lift stations. These lift stations are less reliable, require higher maintenance and operations costs and cause more adverse impacts to downstream facilities than do properly planned gravity sewer systems. 3. Rehabilitate or replace the sewage lift stations that are considered to be permanent sewage facilities. These improvements will reduce maintenance costs and increase system reliability. As the City rehabilitates or replaces regional stations, on -site emergency power generators should be installed_ 4. The City needs to continue to update its hydraulic model to reflect the new adopted land use designations and concurrency standards, changes in development patterns, system changes, and as data becomes more current_ The City should continue the model update by completing the inventory of the sewer system, verifying the as -built records and gathering data on those parts of the system that are not recorded. 5. The City should implement a flow monitoring program to meter flows in order to gather data to calibrate the sanitary sewer computer model. This will enable the model to be more closely calibrated in areas of concern. The City will continue to use the sewer model to develop a schedule of timing for capacity system improvement projects. As the County looks to implement 10-year cycle flow monitoring, the City should look at potential saving by partnering in the monitoring. REVIEW DRAFT - January 2009 1-7 6. The City needs to establish a grease and industrial waste discharge program for the Wastewater Utility. Grease is the leading cause of sewer overflows in our system. Industrial waste poses a serious risk to our sewer maintenance personnel. 7. The City needs to evaluate capacity restraints, analyzing them from both the potential of increasing capacity and reducing Ill within the basins that facilities serve. Where reduction in Ill is at a similar cost of upsizing facilities, serious consideration shall be given to the 1/1 alternative. 8. Where the City annexes an area that is currently unsewered by another municipality, the City should provide sewer service. Where annexation occurs and sewer service is provided by another municipality, the City should determine whether to purchase the facilities from the adjacent municipality, or to continue to allow the existing agency to provide service. Purchase of facilities should be based on the actual depreciated cost the municipality incurred from providing the facilities to obtain service. 9. The rate increases recommended in this plan should be considered an estimate to implement the City -funded portion of all the recommended improvements. Currently, new development pays a major portion of the remaining cost of recommended improvements. If funding from this source, such as the System Development Charge or Special Assessment District Charges, are not available, the City's share of these construction costs will most likely increase. It should also be recognized that this plan does not establish annual Capital Improvement Programs (CIPs) or sewer rates, but rather provides a roadmap and guideline for the operation of the system. Yearly CIPs and sewer rates are established as part of the budget process. The City should update the financial models in a manner consistent with the City's budget schedule, so that rates can be adopted to accurately reflect the current financial situation within the utility. These models were developed as part of the 2006/2007 Rate Study undertaken at the same time this plan is being updated (Comprehensive Rate Study, Wafer, Wastewater, and Surface Wafer Utilities, Financial Consulting Solutions Group, Inc., 2006107). 10. This plan should be updated at intervals of no greater than six years in order to accommodate unforeseen changes in existing assumptions, conditions and land use designations, and for adjusting budgets and sewer service rates. REVIEW DRAFT - January 2009 1-8 Chapter 2 OVERVIEW OF EXISTING SEWER SYSTEM This chapter presents an overview of the existing sewer system as of January 1 st, 2008. As such, this does not present information on more recent annexations to the system that occurred after January 1 st, such as the Benson Hill annexation. A more extensive description and analysis of the system, along with recommended improvements, can be found in Chapter 5. 2.1 OVERVIEW OF EXISTING SYSTEM The City of Renton (City) is approximately 17.7 square miles with a population of over 60,290. Renton's sanitary sewer service area is approximately 21.68 square miles with about 3.91 square miles outside of the city limits. The City's collection system is municipally owned, operated and maintained and is managed by the City's Public Works Department (Public Works). The City maintains 23 sewage lift stations. In addition, there are approximately 15 privately owned and maintained sewage lift stations serving apartment complexes, commercial industrial properties or schools in the City's service area. Wastewater is discharged to King County facilities at 79 locations within the City, from which it is conveyed to and treated by King County's South Treatment Reclamation Plant. The City's system contains approximately 191 miles of sewer, 5,107 manholes, and over 16,024 customer connections. Figure 2.1 illustrates the existing sewer system. 2.2 SYSTEM HISTORY Sanitary sewer facilities were first constructed in the downtown area of the City in 1910. Prior to that it was common practice to dispose of wastewater on -site or to directly discharge it to the local estuaries. By 1940 the City's population had grown to 4,800; wastewater was collected and treated in a large septic system located adjacent to the Black River channel. During the 1940s, federal housing was constructed in the City to accommodate workers employed by defense industries. By 1956 the wastewater collection system served a population of 14,800 people within the City's service area. By that time wastewater was treated in a secondary treatment plant located near the current Renton High School Stadium. This treatment plant discharged treated wastewater to the Cedar River. In 1958 the Municipality of Metropolitan Seattle (METRO) was formed to solve the growing problem of pollution in Puget Sound, Lake Washington, and surrounding waters. METRO developed a regional plan for wastewater collection and treatment facilities in 1959 and assumed operating responsibilities for the regional interceptors and waste treatment systems in 1962, including Renton's secondary treatment plant. The new secondary REVIEW DRAFT - January 2009 2-1 1. ':JM '' 1•�ii J I f Yaa�i ) , w�Jyrl�., MAY INJ ALLEjYiC 1 r >r•. LL— it 41 � 1 � �� �� � r-•"; �^ n { '; , y� ' � � c- �, {j,. r [ € it '� I• � { � — t J '� �- � ' a ' rr ; sl l •wa e� _ ETyGE:t. �`R• � � i R-I-VE, — EAST CEDAR BRIER BASIN BL R I- ER d BA IN nW. I 1 e�l� �> ; 11 I Y � II ' •a is ���._.t.�_.A s�J �.. � 3 • it t r i y, 6� �� I, , -�� - � • 0 2,000 4,000 FIGURE 2.1 Feet CITY OF RENTON 1 :24,000 Sanrtary seer Basins LONG—RANGE WASTEWATER — sen'ceATea MANAGEMENT PLAN BLACK RIVER BASIN EAST LAKE WASHINGTON BASIN City Limits - DOWNTOWN BASIN MAY VALLEY BASIN .r {mil - ✓ Urban Growth Boundary EAST CEDAR RIVER BASIN WEST CEDAR RIVER BASIN EXISTING SEWER SYSTEM & 1 46 * WASTEWATER COLLECTION BASINS 0 1 JANUARY 2008 treatment plant was constructed between 1956 and 1962 near the intersection of Grady Way and Monster Road and discharged into the Green River. As part of expansion in the 1980's, a new discharge was constructed to the Duwamish Water Way. This location is the current site of King County's South Treatment Reclamation Plant, which serves as one of the regional treatment facilities. The City of Renton sanitary sewers now discharge to these facilities. In 1993, the citizens of King County voted to combine the Metro and King County governments into a new regional government, Metropolitan King County. Metro's wastewater treatment, water quality and transit responsibilities became part of an interim Department of Metropolitan Services for 2 years while the new government created its new structure. In 1996, the wastewater treatment and water quality functions of the Department of Metropolitan Services were transferred to the new King County Department of Natural Resources. The responsibilities of the former Metro Council, which provided oversight of wastewater treatment service for the first 35 years, now lie with the new Metropolitan King County Council. In 1999, the King County Wastewater Treatment Division adopted its Regional Wastewater Services Plan that provides regional guidance on sanitary sewer service for the next 20 years. This plan will be updated every three to five years. One component of the Plan was the determination of Inflow and Infiltration (III) Flows in 2000 and 2001. The results of this effort provide the data used in the development of the City's hydraulic sewer model in 2006_ 2.3 SYSTEM COMPONENTS The purpose of a sanitary sewer is to convey wastewater from its source to a point of treatment. Since the generation of wastewater can vary considerably, there is seldom any control over the volume of wastewater that must be conveyed at any particular time. For this reason the sanitary sewer system is designed to accommodate a wide range of wastewater flow rates. The best method for conveying wastewater is a gravity sewer system. A gravity sewer system is made up of collector sewers, which as their name implies, collect the wastewater from the various sources. These collector sewers then convey the wastewater to interceptor sewers, which convey it to the point of treatment. The sanitary sewer system must be capable of transporting all of the constituents of the wastewater stream, which include the suspended solids, floatable solids and liquid constituents. In general, most of the floating materials are carried along with the flow stream; however, suspended solids have a tendency to settle out of the waste stream, unless minimum carrying velocities are achieved. This requires that the sanitary sewers be REVIEW DRAFT - January 2009 2-3 constructed with a minimum slope to create a gravity flow that will result in a velocity that will continuously carry the suspended solids portion of the waste stream. Another major sewer system component, and typically the most vulnerable, is the sewage lift station. A lift station is needed when the sanitary sewer system must overcome topographic restrictions that make it impossible or financially unfeasible to construct a gravity sewer. However, some lift stations are temporary, used only until the gravity sewer system can be built_ 2.4 WASTEWATER COLLECTION BASINS The City is divided into six major wastewater collection basins that consist of one or more model basins. The model basins were developed by King County's Ill Program for the Renton Sewer Service Area. These collection basins and model basins would ideally follow the natural drainage patterns of the Renton service area. However, because of natural and service area boundaries, the wastewater collection basins do not always follow drainage basins. The six major basins are 1) West Cedar River, 2) East Cedar River, 3) East Lake Washington, 4) Black River, 5) Downtown, and 6) May Valley. The City has lift stations and deep interceptors that transfer flows from one drainage basin to another. Figure 2.2 shows the topography of the City overlaid by the existing sewer system. 2.4.1 West Cedar River Basin The West Cedar River Basin includes the eastern portion of the City bordering the Cedar River. This basin, which consists of primarily single-family and multi -family developments with some commercial and light industrial land uses. This basin includes modeling basins CEDAR02 and RNT065. This basin includes the Cottonwood, Falcon Ridge, and Kensington Crest Lifts Stations. The wastewater collected in this basin is transported to King County's Cedar River Trunk Interceptor at several connection points (Table 2.1). 2.4.2 East Cedar River Basin The East Cedar River Basin is located at the east side of Renton's sanitary sewer service area. The basin extends from approximately Bremerton Avenue NE to the Urban Growth Boundary east of the City. The majority of this basin is currently unsewered and consists of primarily single-family land uses. A significant portion of this basin is already developed with subdivision. The majority of these developments are on private septic systems. Problems with some of the existing septic systems, the needs of the schools in the area, the lack of ability to develop existing platted lots on septic systems are, and the desire by some to develop some of the larger tracts in the area highlight the need for sanitary sewers in this basin. The basin can be partially served by gravity through the East Renton Interceptor. The Central Plateau interceptor is currently under construction. To serve the East Plateau subbasin, a new interceptor or a lift station constructed to transfer flows back REVIEW DRAFT - January 2009 2-4 I- "� • - �� ti... � � yf. may, E. I _ a. r � •y °5 I it .. yl+J$j''�rt+� .-j}1-• - _ t 7r � S � r �'�� 7'. l • � _ � T � �.gY !s" � r'J f !�I �1 � '�' ; l �r -1 y i -' e �1�+'� 1...._.. , �, r ; � -.. _ , y „- �Fz e ' ...-,� •.mow is '{, y , t. � .t r >, � '/ �Y ..,r,�F'�. d L•� �- 'b • s pip -.� ti� � � .+� �h� + �`, �' � *.. _ �% x `• "'K` ` k � j• '' y ' ` ,, 1'� ` �' s w..• _111II � r LS' 1 t '�h :i. # "tea Y } :Yf'�°�+�5}` G•9F `~�r"rRpY/ 1 1; _ _. r � �jf1}}'. ''7�� jtF •fy` • �`--- � 1 1. �!-; ,�`_ � �y w�. •# 1 x�'91¢: y ����tx t� '��s� �.i�l jj40 C, n r y *y y� :r } ! • 2' ,�„' jy..l'•_'L.�i ; � k � { �n A,: .Y',.y i. I Y i f'� \ x� .. •3 F i � � p •' '• j '„ � ��,.� s{ a �� @ E � i. .,.,.r ;� i• � I ��, :I, }'�r.tt � :1: uY..t-^�¢ � 'r r ' !i 1 ` � , , r 7 - j, •s',w King County Sewer Mains 0 2,000 4,000 Private Collector Mains FIGURE 2.2 Feet City CITY OF RENTON - ; - Ci Collector Mains 1:24,000 LONG-RANGE WASTEWATER City Interceptor Mains MANAGEMENT PLAN Y i I URBAN GROWTH BOUNDARY TOPOGRAPHY tF � # * ED City Limits � �� CONTOURS AT 20 FOOT INTERVALS JANUARY 2008 to the Central Plateau Interceptor will be required. This basin includes the East Renton, Evendell, and Highlands Estates Lift Station. The wastewater collected in this basin is transported to King County's Cedar River Trunk Interceptor at several connection points (Table 2.1), 2.4.3 East Lake Washington Basin The East Lake Washington Basin is located in the northern part of the City and includes Model Basins RNT023, RNT030, RNT035, and RNT054. The City serves this entire basin, which consists of a variety of land uses including single-family and multi -family residential, and light commercial. The wastewater collected in this basin is transported to King County's East Side Interceptor at several connection points (Table 2.1). This basin includes the Devils Elbow, Lake Washington Beach, Lake Washington Flush, Lake Washington No. 2, Long, Stonegate, Summerwind, Wedgewood, and Westview Lift Stations. 2.4.4 Black River Basin The Black River Basin is a large drainage basin in the southwest part of the City and includes the Model Basins SINT001, SRENT002, and RNT045. The higher elevations in the Rolling Hills, Talbot Hill, and Panther Creek areas are generally single-family and multi- family residential developments along with commercial uses surrounding Valley Medical Center, while the valley floor is generally industrial and commercial land uses. A large portion of the south and west portions of the valley floor are un-modeled. The upper elevations of this basin are served by Soos Creek. This basin includes the East Valley, Lind Avenue, and Talbot Crest Lift Stations. The wastewater collected in this basin is transported to King County's East Side, South Renton, and South Interceptors at several connection points (Table 2.1)_ 2.4.5 Downtown Basin The Downtown Basin is located in the northwest part of the City and includes the Central Business District, West Hill, and North Renton Industrial areas. Land use within this basin consists of single-family, multi -family, commercial, and heavy industrial land uses. This model basin includes the Airport and Earlington Lift Stations. Skyway Water and Sewer District also provides sewer service to parts of the West Hill that are within this basin. The wastewater collected in this basin is transported to King County's East Side Interceptor at several connection points (Table 2.1). 2.4.6 May Valley Basin The May Valley Basin is located in the northeast part of the City and is located on the periphery of the City's current service boundary. The portion of this basin within Renton's service area is currently only about half sewered. The remainder of the basin is within Coal Creek Utility District's service area. The City serves primarily single-family and light commercial land uses. The ultimate sewerage of the southwest (City's) portion of the basin REVIEW DRAFT - January 2009 2-6 that is east of the freeway will be through the extension and completion of an interceptor to the south. Said interceptor to serve that portion of the basin would be mostly constructed in existing roads. It is unclear whether development will occur within this portion of the basin due to steep slopes, wetlands, and other sensitive area issues. This basin includes the Baxter, Dennys, and Misty Cove Lift Stations. The wastewater collected in this basin is transported to King County's May Creek Interceptor and East Side interceptor at several connection points (Table 2.1). 2.5 INTERCEPTORS AND COLLECTION SYSTEMS Interceptors are sewers that receive flow from collector sewers and convey wastewater to a point for treatment or disposal. They are typically located in low lying or centralized areas in order to facilitate the gravity flow of the wastewater. The interceptors and all other sewers make up the collection system. Standards and guidelines for design and construction of sanitary sewers are detailed in Chapter 4. The City has approximately 191 miles of gravity sewer within its service area as shown in Figure 2.3. The sanitary sewer collection system is primarily comprised of 8-inch diameter sanitary sewers but includes pipes sized from 6 to 24 inches. 2.5.1 Existing Sewers The existing sanitary sewer system is constructed with a variety of different sewer sizes and pipe materials. Figures 2.4 and 2.5 summarize the lengths of pipe for the different pipe diameters and materials. These totals include both gravity and force main pipe. As illustrated in Figure 2.2, a majority of the sanitary sewer system is constructed with 8-inch diameter pipe. This is consistent with the Department of Ecology criteria for minimum sanitary sewer sizing. The majority of pipe material within the existing system is comprised of concrete and polyvinyl chloride (PVC) pipe. The concrete pipe has been typically used for the older sewers, while the PVC pipe has been typically used for newer sewer system installations. The City's sanitary sewer system also contains approximately 5,100 manholes, which join the various links of sanitary sewer pipe. These manholes vary in construction type from old brick manholes to the newer precast concrete manholes. A small percentage (2-4 percent) of the older manholes do not meet current code for safety such as manhole covers that are less than 24-inches in diameter. REVIEW DRAFT - January 2009 2-7 I ti sl LL _< T . = I r, Gz u ' � I 41 _ I - :i:' ,mot � ° {+ `.\ ': -• �• l .. I a t • i I - , i 7L :r L 1� I I I I� I �I I Fj Ij �i u �� �1�6� � �li I� � I _ I I� �� � � •�/ � 111 L'<z 311� ���----•. � Jig. ! � ` _�� ��'--� 1 � - x �� �'�E ,t- _fl,l 1 I 1.= ° --JLI 0 2,000 4,000 Feet 1;24,000 City Limits Private Collector Mains Sanitary Sewer Service Area - -- City Collector Mains Urban Growth Boundary City Interceptor Mains King County Sewer Mains FIGURE 2.3 CITY OF RENTON LONG-RANGE WASTEWATER MANAGEMENT PLAN COLLECTORS AND INTERCEPTORS JANUARY 2008. Other. 1.5 mils (0.79%)— 21-inch, 1 5 m im (0.77%) — 164nch, 1.1 milee (0.57%)—� 44neh. I maale (0.37%) 1a+nci+. 7.3 melee (3.63%) --\ 04r%Ai, 4. 5 miss (2.34%) 1 z•inch 11.6 mike (6.06%)._.._ J 15-ind14 4.6 rrAm (2.43%) — 18.inCh. 4.3 nid" (2 52%) - 24.4wh. 3-1 mile 0.64%) 7% Figure 2.4 Pipe Size Summary ■Concrete Pipe (32Q,403 LF) ■ Vitrified Clay Pipe (31,207 0 &E (3,939 LF) ■ Cured In Place (916 LF) ■ PVC Pipe (523,187) ■ Lined ductile iron pipe (53,531 LF) ■ Unknown pipe type (74,195 (Vote: Pipes that are of unknown material are typically older lines that do not have good records of installation. These lines would probably be either of clay or concrete. Figure 2.5 Pipe Material Summary 2.5.2 Interceptors A list of the sanitary sewer interceptors within the Renton system is presented below. These interceptors are located in the following wastewater collection basins: 2.5.2.1 Black River Basin • Benson Road Interceptor • Black River Interceptor • East Valley Interceptor • Shattuck Interceptor REVIEW DRAFT - January 2009 2-9 • South Talbot Interceptor • Springbrook Interceptor • SW 96th Street Interceptor • SW 34th Street Interceptor • Talbot Road Interceptor • Thunder Hill Interceptor • Tukwila Interceptor 2.5.2.2 Downtown Basin • Earlington Interceptor • MLK Interceptor • Renton Hill Interceptor • South Renton Interceptor • West Hill Interceptor • West Renton Interceptor 2.5.2.3 East Cedar River Basin • Briar Hills Interceptor • Central Plateau Interceptor • North Briar Hills Interceptor 2.5.2.4 East Lake Washington Basin • East Kennydale Interceptor • Honey Creek Interceptor • Lakefront Force Main • N 8th Street Interceptor • NE 7th Street Interceptor • North Highlands Interceptor • South Highlands Interceptor • Sunset Interceptor • West Kennydale Interceptor REVIEW DRAFT - January 2009 2-10 2.5.2.5 May Valley Basin Renton - Coal Creek (Joint Use) Interceptor 2.5.2.6 West Cedar River Basin • Cascade (Tiffany Park) Interceptor • Central Renton (N 4th Street) Interceptor • Duvall Interceptor • East Renton Interceptor • Greenwood Interceptor • Heather Downs Interceptor • Maplewood Interceptor 2.5.3 King County Connections The Renton sanitary sewer system discharges wastewater to King County sewer interceptors at 79 locations_ The wastewater flow rates into each of these connections varies considerably, depending on the area served by the collection system. The major King County connections for each basin are listed in Table 2.1. 2.6 LIFT STATIONS Sewage lift stations are used to convey wastewater from a low point to a higher point through the use of a sewage pump and a pressurized force main. The City has 23 sewage lift stations within its sanitary sewer system as is shown in Figure 2.6 and summarized in Table 2.2. Data sheet for each lift station are include in Appendix B. Since the last comprehensive plan in 1999, 4 lift stations have been removed due to consolidated efforts and 6 lift stations have been added. The most common type is a submersible pump installation in which the sewage pumps are placed directly in the wet well. The second most common type is a wet well mounted lift station in which the mechanical and electrical equipment are located above the ground surface and over a large manhole out of which the wastewater is pumped. A wet well/dry well configuration is the third most common type of station. This type has mechanical and electrical equipment located underground in a sealed enclosure adjacent to a large manhole from which the wastewater is pumped. REVIEW DRAFT - January 2009 2-11 Table 2.1 Major King County Connections Long -Range Wastewater Management Plan City of Renton Basin King Co. Manhole No. King Co. Interceptor Black River Basin Black River interceptor R01-1 East Side Interceptor East Valley Interceptor SR18-11 South Renton Interceptor South Talbot Interceptor SR18-17 South Renton Interceptor SW 16th Street Interceptor R01-1 East Side Interceptor Talbot Road Interceptor R18-18 South Renton Interceptor Thunder Hill Interceptor R01-8 East Side Interceptor Tukwila Interceptor R18-17 South Interceptor Downtown Basin MLK Interceptor R01-21 East Side Interceptor Renton Hill interceptor R01-14 East Side Interceptor West Renton Interceptor R01-20 East Side Interceptor East Cedar River Basin Central Plateau Interceptor R10-52 Cedar River Trunk East Lake Washington Basin North 8th Street Interceptor R02-03 East Side Interceptor West Kennydale Interceptor R02-17 East Side Interceptor May Valley Basin Renton - Coal Creek Joint Use M-1 May Creek Interceptor Interceptor West Cedar River Basin Cascade (Tiffany Park) Interceptor R10-32 Cedar River Trunk Central Renton Interceptor R10-5A Cedar River Trunk East Renton Interceptor R10-24 Cedar River Trunk Heather Downs Interceptor R10-26A Cedar River Trunk REVIEW DRAFT - January 2009 2-12 Table 2.2 Lift Stations Long -Range Wastewater Management Plan City of Renton No. of FM Size Pump Speed Capacity Emerg. Power Lift Station Name Location Pumps In. HP Phase RPMs GPM TDH Ft Station Type Connect Telemetry Voltage Airport 454 West Perimeter Road 2 4 7.5 3 1750 100 54 WW MTD Yes Rugid6 230/460 Baxter 4505 Lake Washington Blvd N 2 8 3 3 865 400 23 WW MTD Yes Rugid9 230/460 Cottonwood 2101 Maple Valley Highway 2 6 5 3 1750 230 32 SUBMERS Yes Rugid6 230/460 Dennys 4748 Lake Washington Blvd N 2 4 5 3 1735 100 35 WW MTD Yes Rugid6 230/460 Devils Elbow 3001 NE 27th Street 2 6 50 3 1750 450 155 SUBMERS Yes Rugid6 460 Earlington 8055 S Langston Road 2 6 5 3 860 150 30 WW/DW No Rugid6 2301460 East Renton 5835 SE 2nd Court 2 8 23 3 1750 587 75 SUBMERS Yes Rugid6 2301460 East Valley 3371 East Valley Road 2 + 1 8 5 3 1735 362 30 WW/DW Yes Rugid9 240/120 Evendell 13815 160th Avenue SE 2 6 10 3 1745 240 66 SUBMERS Yes Rugid9 460 Falcon Ridge 2471 SE 8th Place 2 4 15 3 1800 100 101 WW MTD Yes Rugid6 230/460 Highlands Estates 13733 152nd Place SE 2 6 7.5 3 1740 350 45 SUBMERS Yes Rugid9 2401120 Kensington Crest 3000 SE 8th Street 2 4 10 3 1745 160 58 SUBMERS Yes Rugid9 2301460 Lake Washington Beach 1201 Lake Washington Blvd Coulon Park Parking 2 4 3 3 900 125 25 WW/DW Yes Rugid6 2401120 Lot Lake Washington Flush 2725 Mountain View Avenue N {North End of 1 4 2 3 1150 .400 6.5 SUBMERS Yes Rugid6 230/460 Coulon Park} Lake Washington No. 2 3903 Lake Washington Blvd N 2 4 7.5 3 1750 385 35 SUBMERS Yes Rugid6 230/460 Lind Ave. 1891 Lind Avenue S 3 8 5 3 865 780 13 WW/DW Yes Rugid6 230/460 Long 2702 Union Avenue NE 2 4 10 3 1735 100 90 Yes Rugid6 460 Misty Cove 5027 Ripley Lane N 2 4 2 1 1150 75 18 WW MTD Yes Rugid6 240/120 Stonegate 5610 NE 26th Street 2 4 20 3 1800 140 125 WW MTD Yes Rugid6 2301460 Summerwind 5216 NE 23rd Court 2 6 25 3 1760 375 133 WW MTD Yes Rugid6 230/460 Talbot Crest 2511 Talbot Crest Drive S 2 4 3 3 1700 110 33 SUBMERS Yes Rugid6 230/460 Wedgewood 5401 NE 10th Street 2 + 1 8 25 3 1745 350 67 SUBMERS Yes Rugid9 460 Westview 1149 Monterey Avenue NE 2 3 2 1 3450 7.5 31 SUB/GRIND Yes Rugid6 240/120 REVIEW DRAFT - January 2009 2-13 M M Mlsao�VFPI ll"'y 00 Sly 00 LIFTSTATI N SAXT IC N LIFTSTA LAKE WASH #2 LIFTSTATIO �OlNld STONE GATE jjj�l FT S TAT 10 N LAKE VVASk\'\TION FLUSH W� LIFTSTATION�' IF7 TAR ION D .i l._t�� � ] -�l 11 � I P � �' ��'C :`. � ` t I �I' � - 1•• 'T rl I � .ir � ''lt I Y LAKE WASH. BEACH J—Y IT LIFTSTATON - — -------- IA j 0(SE LIM , At N 17- T"N , 11 �,A I R ;,O,-,R-- a. J,Tfl; r 'A .0 N —LIPTST-01 J t TON �M77; `�`� �. � �_,_ ST V-,-- LIFTS AT1,9N - 1:7 f, H IGH I AN 0 EVENDELL I ON :)D� T�, I ITS ATI EITATES TAT KE Sl ES 't2 1 LIFT�TATIO LI TATIO -ST LIT ql� N X, LIF 'ATI F DGE � JL AV NUE LIF STfST TION fAL T 2,000 4,000 Feet 1:24,000 + + FIGURE 2.6 ------ City Force Main BLACK RIVER BASIN • Liftstation DOWNTOWN BASIN CITY OF RENTON Sanitary Sewer Service Area EAST CEDAR RIVER BASIN LONG-RANGE WASTEWATER EAST LAKE WASHINGTON BASIN MANAGEMENT PLAN MAY VALLEY BASIN WEST CEDAR RIVER BASIN SANITARY SEWER LIFT STATIONS JANUARY 2008 Sewage lift stations are the most vulnerable element of a sewage collection system. Permanent lift stations are constructed when it is either physically impossible or financially impractical to construct gravity sewers. Temporary lift stations are constructed when it is too costly, at that time, to complete the gravity sewer system. Temporary lift stations are, however, usually built to permanent standards, since it may be hard to predict when the gravity facilities will be available. 2.6.1 Airport Lift Station The Airport Lift Station is located on the east side of West Perimeter Road within the airport property. This facility is a fiberglass, wet well mounted, duplex lift station with a duplex vacuum priming system. This facility serves the airport facility along West Perimeter Road. The lift station is in fair condition and is currently within the six -year CIP for rehabilitation or replacement. 2.6.2 Baxter Lift Station The Baxter Lift Station is located in the J.H. Baxter and Company pole yard near NE 44th Street adjacent to the railroad tracks. This facility is a recessed, wet well mounted, duplex lift station with a duplex vacuum priming system. The station served the mill, owned by the J.H. Baxter and Company, and the community along the lake north of NE 44th Street. The lift station is old and currently scheduled to be replaced as part of the new development occurring in the area. There was a creosote smell in the lift station originating from wastewater generated at the mill. However, the mill has since closed. Access to this facility is through the pole yard and is made difficult during rainy periods. Access should be improved as part of the redevelopment adjacent to the station. Obtaining replacement parts for this station is a problem. 2.6.3 Cottonwood Lift Station The Cottonwood Lift Station is located west of the Riviera Apartments, south of the Maple Valley Highway. This facility serves the area between the Maple Valley Highway and the Cedar River, east of the former Stoneway concrete facilities. The lift station was replaced, in 1994, with a submersible pump duplex station in a new wetwell. The forcemain was also replaced at that time. Based upon expected life, this station is due for replacement about 2021. 2.6.4 Denny's Lift Station The Denny's Lift Station is located on the east side of Lake Washington Boulevard next to the Denny's restaurant. This facility is a fiberglass, wet well mounted, duplex lift station with a duplex vacuum priming system. This facility serves the Denny's restaurant, is in fair condition and has proven to be mostly reliable. The lift station does experience some problems due to grease discharges from the restaurant and flooding during peak storm events. Replacement parts for the Universal Sanitary Equipment Manufacturer Company REVIEW DRAFT - January 2009 2-15 (USEMCO) pumps are also hard to find. The Station is scheduled to be rehabilitated between 2008 and 2009. 2.6.5 Devil's Elbow Lift Station The Devil's Elbow Lift Station is located in NE 27th Street just northwest of where the road crosses Honey Creek. This facility was replaced in 2000 with a submersible pump duplex station in a new wet well. The lift station is in good condition. The new design has made this station less susceptible to vandalism and storm impacts. 2.6.6 Earlington Lift Station The Earlington Lift Station is located on the southwest side of South Langston Road between South 132nd Street and South 134th Street. This facility is a duplex wet well/dry well lift station with an 8-inch overflow bypass. This facility serves the Black River High School and a residential area to the north of the station. The lift station is in fair condition, and has poor access and is difficult to keep clean due to its location on the gravel shoulder. The lift station will be taken off-line and removed when wastewater from this area is diverted by gravity through the future Earlington Interceptor scheduled for 2008/9. 2.6.7 East Renton Lift Station The East Renton Lift Station is located at the southwest corner of the Maplewood Estates Plat, adjacent to the detention pond. This facility is a submersible pump duplex station. This facility serves the single-family residential areas south of NE 4th Street, between Jericho Avenue and 160th Avenue. The lift station was constructed in 2002 and is in good condition. This lift station is constructed as permanent, but considered only as a temporary facility until the gravity system is constructed to the south. It is anticipated that the gravity system will be constructed and available within the twenty-five year life of this lift station. 2.6.8 East Valley Lift Station The East Valley Lift Station is located on the northwest corner of the intersection of SW 34th Street and the East Valley Road. This facility operates as a submersible pump duplex station. A secondary wet well and third submersible pump is available for high peek or emergency situations_ This facility serves the commercial areas north and west of the lift station. The lift station was rebuilt in 2003 and is in excellent condition. 2.6.9 Evendell Lift Station The Evendell Lift Station is located on 160th Avenue SE, just south of SE 139th Street. This facility is a submersible pump duplex station. This facility currently serves two single- family plats. The lift station was constructed in 2005 and is in good condition. This lift station is constructed as permanent, but considered only as a temporary facility until the gravity system is constructed to the south. It is anticipated that the gravity system will be constructed and available within the twenty-five year life of this lift station. REVIEW DRAFT - January 2009 2-16 2.6.10 Falcon Ridge Lift Station The Falcon Ridge Lift Station is located at the east end of SE 8th Street in the plat of Falcon Ridge. This facility is a fiberglass enclosed, wet well mounted duplex lift station with a duplex vacuum priming system, which is in good condition and has proven to be reliable. The Falcon Ridge Lift Station was built in 1981 and reached its expected life in 2006. As part of an overall review of lift stations for prioritization of upgrades or rehabilitation, Falcon Ridge has been schedule for replacement or rehabilitation in 2010. The force main associated with this station is long and has an excessively high head. 2.6.11 Highlands Estates Lift Station The Highlands Estates Lift Station is located at the southwest corner of the Highlands Estates Plat, adjacent to the detention pond. This facility is a submersible pump duplex station. This facility serves the Highlands Estates Plat. The lift station was constructed in 2003 and is in good condition. This lift station is constructed as permanent, but considered only as a temporary facility until the gravity system is constructed to the south. It is anticipated that the gravity system will be constructed and available within the twenty-five year life of this lift station. 2.6.12 Kensington Crest Lift Station The Kensington Crest Lift Station is located at the northeast corner of the Kensington Crest (A.K.A Shadowhawk) multi -family complex and provides service to the complex. This facility is a submersible pump duplex station. The station was built in 2002 and is in good condition. 2.6.13 Lake Washington Beach Lift Station The Lake Washington Beach Lift Station is located in the parking lot at Coulon Beach Park. This facility is a duplex wet well/dry well lift station, which serves the restroom facilities at the park. The lift station is in good condition. This station is over twenty-five years, old but only receives seasonal flow. The City is looking at evaluation for replacement about 2014_ 2.6.14 Lake Washington Flush Lift Station The Lake Washington Flush Lift Station is located at the south end of Mountain View Avenue North. The facility is a submersible, non -clogging pump for pumping lake water into the gravity sewer along the Kennydale lakefront for flushing purposes. The low-pressure sewer then discharges into Lake Washington No. 2 Lift Station. This lift station was replaced in 2005 and is in good condition. 2.6.15 Lake Washington No. 2 Lift Station The Lake Washington No. 2 Lift Station is located at the north end of the Kennydale Beach Park Road. This facility serves lakefront properties west of the railroad tracks in the REVIEW DRAFT - January 2009 2-17 Kennydale area. The Lake Washington No. 2 Lift Station was replaced in 1994_ The new station is a submersible pump duplex station in a rehabilitated wet well. Improvements to access and site stabilization were also done as part of the replacement project. The forcemain was not replaced at that time. 2.6.16 Lind Avenue Lift Station The Lind Avenue Lift Station is located on the west side of Lind Avenue SW near the intersection with SW 19th Street. This facility is a triplex, wet well/dry well lift station, which serves the commercial and industrial areas in the vicinity of the lift station_ The lift station was upgraded to a triplex station in 1983. The station does not meet current design codes because it lacks full redundancy of its vacuum priming system. In addition, the above grade electrical structures have experienced vandalism_ The City will evaluate replacement of this station around 2009. 2.6.17 Long Lift Station The Long Lift Station is located on the east side of Union Avenue NE, just north of NE 27th Street. This facility is a submersible pump duplex station, which serves the Caledon Plat. The lift station was constructed in 2001 and is in good condition. 2.6.18 Misty Cove Lift Station The Misty Cove Lift Station is located on the west side of Ripley Lane North in the plat of Misty Cove. This facility is a recessed, wet well mounted, duplex lift station with a duplex vacuum priming system. This facility serves the lakefront properties west of the railroad near where May Creek enters the lake. The lift station is in fair condition. In 2005, the City did some improvements to improve accessibility into the station. The Misty Cove Lift Station pumps to the Baxter Lift Station, which has a smaller wet well. For this reason a lockout has been placed on the Misty Cove Lift Station, which is engaged when the high level alarm at the Baxter Lift Station is activated. The Baxter Lift Station is being replaced as part of a large residential development along the lakefront, The lockout will be evaluated and may remain for system reliability purposes. 2.6.19 Stonegate Lift Station The Stonegate Lift Station is located on NE 26th Street just west of 148th Avenue SE. The station is on the north side of the road in an open space tract. This facility is a fiberglass enclosed, wet well mounted duplex lift station with a duplex vacuum priming system. The facility serves the entire plat of Stonegate as well as two new plats to the south. This station is dependent on the Summerwind Lift Station to relay the sewage from this area to the gravity system. Analysis shows that the station is undersized to meet the build out needs of this area. Increased flows from the Stonegate Lift Station would impact the Summerwind Lift Station. A capital project, currently in pre -design, will redirect flows from REVIEW DRAFT - January 2009 2-18 the Summerwind Lift Station to a new Stonegate Lift Station that will pump to a new field interceptor. 2.6.20 Summerwind Lift Station The Summerwind Lift Station is located in a fenced, storm -drainage retention area located off the cul-de-sac on NE 23rd Street. This facility is a fiberglass enclosed, wet well mounted duplex lift station with a duplex vacuum priming system. This facility serves the east half of the plat of Summerwind. The lift station has proven to be reliable but is reaching the end of its useful life. The Stonegate Lift Station pumps into the Summerwind Lift Station. The Stonegate Lift Station is undersized to meet the build out needs of this area. The Summerwind station does not have the capability to handle additional flows from a larger Stonegate Lift Station, as such, Summerwind Lift Station flows will be redirected to a new, properly sized Stonegate Lift Station. 2.6.21 Talbot Crest Lift Station The Talbot Crest Lift Station is located on the west side of Talbot Crest Drive. This facility is a submersible pump duplex station, which serves the plat of Talbot Crest. The station was replaced in 2001 and is in good condition. 2.6.22 Wedgewood Lift Station The Wedgewood Lift Station is located on the south side of NE 10th Street between Hoquiam and Nile. This facility is a submersible pump duplex station, which serves the plat of Wedgewood, as well as the surrounding basin area. This station allowed for the elimination of the Scott Glen and Apollo Lift Stations. The station was constructed in 2006. 2.6.23 Westview Lift Station The Westview Lift Station is located on the west side of Monterey Avenue NE. This facility is a duplex submersible lift station designed to serve the twelve lot Westview Plat. Unless a gravity line is installed from Park Drive, this station should be considered a permanent station. This station was originally constructed in 1995. This station was allowed to be constructed to a lower standard resulting in a scheduled rehabilitation/replacement date of 2009, well ahead of our standard 25-year life. 2.7 TELEMETRY AND CONTROL SYSTEM Successful operation of any municipal sewer system requires that the municipality maintains a comprehensive maintenance program and that they obtain accurate sewage flow rate information. Although many additional operation and construction elements are necessary for a complete and working system, maintenance and flow rate information are REVIEW DRAFT - January 2009 2-19 the keys to a successful operation. A telemetry and control system is the means by which flow rates are measured and maintenance needs are updated. A radio -based telemetry system was completed in 1996 to replace the City's existing tone telemetry system. Each lift station is controlled by a digital based Remote Telemetry Unit (RTU) to allow custom control to match the characteristics of each individual lift station. The RTU are programmable controllers programmed in basic programming language. The RTU monitors the control at the lift station and provides secure and accurate information about the operating conditions_ A Master Telemetry Unit (MTU) polls each lift station RTU and feeds the data to the Master Computer via a Modbus communication link. The new system is digital, signal -based, using a high security, binary coded decimal for telemetry transmission. The system runs on IBM compatible computers. The system uses radio transmission for communication. The telemetry system provides a method for logging and controlling all of the City's lift stations from a central location at the City's Maintenance shops. Operating data from each lift station is stored on a Master (data -logging) Computer for record and later use. This information is used in a comprehensive maintenance program to help eliminate costly station down time that can often cause damage to adjacent property owners and the environment. The control algorithms located on the Master Computer and the BTUs can be used as tread analysis to detect possible problems earlier. The telemetry system information is managed from a Master computer. Wonderware Intouch Person -Machine Interface software is used at the Master Computer for displaying the data graphically on screen. The Master computer displays wet well sewage levels and time to overflow data for the City's 25 lift stations (two of the 25 stations are storm water stations). This information can be used to help manage the lift stations in a citywide power interruption that could occur after a natural catastrophe_ The telemetry system can be monitored and controlled by a remote computer link using specialized software. Control of the facilities is accomplished in a distributed format, wherein the master computer provides pump run set points that are based on optimal, pump operating conditions, and also locks out various lift stations during high-level alarms from various downstream lift stations. All other control is initiated from the RTU, including pump start/stop from the level transducer, back-up pump control from the float switches, and station alarms. The pumps main control system is controlled from a level sensor in the wet well. A back-up float switch system has been installed at most of the lift stations to provide redundant protection from costly overflows in the event of control failure. Smaller stations, serving twelve or fewer single-family homes, may utilize floats as the main control system. The system uses strain gauge, level transducers that are suspended in the wet well for primary pump control and uses float switches for back-up pump control in the event of REVIEW DRAFT - January 2009 2-20 transducer failure. Pump discharge flow rates are mathematically synthesized by measuring the time it takes to empty a known volume of the wet well. The engineering and system status information that is presented at the City Shops is available in real time format at City Hall using a secure network. This allows the engineering and planning staff access to system information without disrupting the maintenance staff. The computer and data storage system is compatible with the water data logger to provide redundant data storage and to provide hot standby fail over controllers. Operating data from each lift station is stored on the master computer for record and later use. This information is used in a comprehensive maintenance program to help eliminate costly station down time that can often cause damage to adjacent property owners and the environment. The control algorithms located on the Master Computer and the RTUs can be used as trend analysis to detect possible problems earlier. The master telemetry unit, located at the City Shop, includes an intelligent telephone dialer alarm systems, so that critical alarms can be relayed to on -duty maintenance personnel, even during a telemetry system failure. 2.8 OPERATION AND MAINTENANCE The current operation and maintenance program for the sewer utility consists of four elements: normal operations, emergency operations, preventive maintenance and staffing. Normal operation of the sewer system is shared by the Engineering Division and the Operation and Maintenance Division. The program is described and evaluated in more detail in Chapter 7. REVIEW DRAFT - January 2009 2-21 Chapter 3 OPERATIONAL POLICIES 3.1 INTRODUCTION The existing sewer system is designed and operated according to specific ordinances, regulations and engineering standards (hereafter collectively referred to as policies). All of the policies originate from eight sources, listed in descending order, from those with the broadest authority to those with the most narrow: • Federal Regulations - Environmental Protection Agency • State Regulations - Department of Ecology • King County Policies - Department of Natural Resources - Wastewater Treatment Division • City of Renton Comprehensive Plan • City of Renton Ordinances - City Council • Administrative Policies - Mayor • Department Policies - Public Works Department • Long -Range Wastewater Utility Policies - Wastewater Utility Staff Federal regulations, state regulations, county policies, and city ordinances dictate requirements that are set by law. Policies that originate in the Office of the Mayor, Public Works Department, or Wastewater Utility cannot be less stringent or in conflict with those laws. This chapter defines the long-range wastewater policies that will become the official policy of the Wastewater Utility when the City Council adopts this plan. This chapter also summarizes relevant federal, state, and city ordinances and laws. 3.2 GOAL The goal of the City of Renton Wastewater Utility is to provide adequate, reliable sanitary sewer service at a minimum cost to the customer. Guiding the Wastewater Utility's daily operations as well as its planning activities, the policies in this Plan stem from this goal. Objectives and policies that fall into four areas of emphasis support this broad service goal: 1. Customer Service 2. Financial REVIEW DRAFT - January 2009 3-1 3_ Facilities 4. Organization 3.3 WASTEWATER UTILITY POLICIES AND REGULATIONS The City's long-range wastewater policies, City ordinances, and State regulations are summarized below. The policies presented herein will become the official policies of the Wastewater Utility when the City Council adopts this plan. Consequently, they are presented in the traditional policy format rather than the outline format that the other chapters follow. For the actual wording, refer to the indicated sources for the complete text. 1.0 CUSTOMER SERVICE OBJECTIVE: Ensure the availability of an adequate level of sanitary sewer service that is consistent with land use, environmental protection, and annexation goals and policies. POLICIES: 1.1 Sewer facilities and services should be consistent with the growth and development concepts directed by the Comprehensive Plan (Policy U-1, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 1.2 Ensure and encourage the use of the sanitary sewer system within the urban areas in a manner consistent with land use and environmental protection goals and policies (Policy U-55, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 1.3 All new developments should be required to connect to the sanitary sewer system, except properties zoned for low density single family residential development that are located away from environmentally sensitive areas, outside of Aquifer Protection Areas, and having adequate soils to support on -site septic systems (Policy U-56, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 1.4 Actively promote connection to the public sewers by all residents within the City's service area (Policy U-72, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 1.5 Public Sewer expansions shall not occur in the Rural Area and on Natural Resource Lands except where needed to address specific health and safety problems threatening the existing structures or the needs of public schools or public school facilities (Policy F-249, 2004 King County Comprehensive Plan with 2006 amendments, adopted November 1, 2004 as amended). REVIEW DRAFT - January 2009 3-2 EXISTING REGULATIONS: 1.6 Private sewage disposal systems will be allowed within the urban areas, subject to city, county, and state regulations and when public sewers are not available (City Code Sections 4-6-040.A.1). 1.7 The owners of private sewerage disposal systems shall operate and maintain the facilities in a sanitary manner at all times at no expense to the City (City Code Section 4-6- 040.1.4). 1.8 The owner or occupant of lands or premises located within the urban growth area (as defined in the King County Comprehensive Plan) undertaking new residential or nonresidential construction, short subdivision or subdivision from which sewage will originate shall connect to a public sewer, provided the sewer utility permits such connection (King County Board of Health Rules and Regulations No. 3, 13.04.050), 1.9 Sanitary sewers, together with all appurtenances, shall be constructed or deferred before a final short plat is submitted or a short subdivision is recorded. Sanitary sewers shall be constructed to specifications and standards of the Wastewater Utility, approved by the Department and in accordance with other standards of the City. A separate construction permit will be required for any such improvements, along with associated engineered plans prepared per the City drafting standards and associated fees (RMC 4-7- 070J ). 1.10 Unless septic tanks are specifically approved by the Planning/Building/Public Works Department and the King County Health Department, sanitary sewers shall be provided by the developer at no cost to the City and designed in accordance with City standards. Side sewer lines shall be installed eight feet (8') into each lot if sanitary sewer mains are available, or provided with the subdivision development (RMC 4-7-070J). 1.11 Existing development that is within two hundred feet (200') of a public sewer, where an on -site system (OSS) is operating, connection to the public sewer is required when the sewering authority permits such connection and when: a. Repair, modification, or replacement of the system is necessary, or the existing OSS has failed and an OSS fully conforming to this title cannot be designed and installed; or b. At such time that additional construction which in any way affects the on -site sewage system is proposed (King County Board of Health Rules and Regulations No. 3, 13.04.050). C. They are part of a sewer Local Improvement District (LID) (City Code Section 4-6-040.A)_ 1.12 Any new development (residential and non-residential) in Zone 1 of the Aquifer Protection Area (APA) shall be required to connect to the City sewer system (City Code Section 4-6-040J.1.a.i). REVIEW DRAFT - January 2009 3-3 1.13 Existing development (residential and non-residential) in Zone 1 of the APA that is within the specified proximity of existing or future gravity sanitary sewer shall be required to connect to the City sewer system within two (2) years of the availability of the new sewer line (City Code Section 4-6-040J.1.a.iii). 1.14 Any new development (residential and non-residential) in Zone 2 of the Aquifer Protection Area shall be required to connect to the City sewer system (New single-family residential development on existing lots may be allowed to use on -site disposal systems until public sewer service becomes available, as determined by the Wastewater Utility) (City Code Section 4-6-040J.2.a.i). 1.15 The City, at the discretion of the Wastewater Utility, may defer compliance with non - health related standards dealing with extension, design, or capacity for temporary sanitary sewer service. Temporary sanitary sewer service may include pump tests, temporary discharge permits, connections for temporary construction sights, or other similar usage. The property owner will retain the responsibility and will execute an agreement to either directly or financially meet said standards at the direction of the City (City Code Section 4- 9-250). 1.16 After connection to the sewer system, all private sewage disposal facilities shall be abandoned and filled with suitable material as defined by current Seattle -King County Health Department regulations, or upon proper cleaning, may be used to dispose of storm waters (City Code Section 4-6-040.1.6). 2.0 PLANNING OBJECTIVE: Ensure that Renton's sewage collection system is consistent with the Ciity's land use plans and the public health and water quality goals of Washington State. POLICIES: 2.1 Coordinate the extension of sewer service with expected growth and development (Policy U-13, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 2.2 Apply level of sanitary sewer service standards consistently throughout the service area (Policy U-14, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 2.3 Preference should be given to sewer system improvements that will support high growth areas concurrent with the anticipated growth (Policy U-15, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 2.4 Timely and orderly extension of the sewer system should be provided within the City's existing and future service areas to meet public heath requirements (Policy U-17, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). REVIEW DRAFT - January 2009 3-4 2.5 Implementation and coordination of programs for the improvement, phasing and financing of sewer infrastructure should be developed consistent with the Land Use Element of the Comprehensive Plan (Policy U-19, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 2.6 Development should be required to pay an equitable share of construction costs for improvements to the sanitary sewer system (Policy U-20, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 2.7 Adequate sewer service capacity should be assured prior to the approval of any new development application (Policy U-58, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 2.8 Sewer facilities and services should be in place prior to occupancy of development projects (Policy U-18, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 2.9 Sewer service should be expanded so that the current levels of service are maintained through build -out of the adopted land use (Policy U-59, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). !Vote: While land use plans typically deal with twenty-year projections, the sewer facilities installed today have a life expectancy of 75 to 100 years. A Sanitary Sewer Utility has to consider the current Land Use Plan, historical trends, and predictions for further growth when designing sewers. The Utility may install a facility larger than needed for the land use projected in the twenty-year plan if additional capacity needs are projected for the long- term future. it is in the best interests of the ratepayers to obtain the longest use possible from a facility and not have to replace newer facilities. 2.10 Renton should coordinate with the regional wastewater agency and adjacent jurisdictions in the planning and maintenance of regional wastewater systems in and near the City (Policy U-61, 2004 City of Renton Comprehensive Plan, adopted November 1, 2004 as amended). 2.11 For planning purposes, the Wastewater Utility should use sanitary sewer service boundaries established by agreement with adjacent municipalities. Where boundaries do not exist, the Wastewater Utility shall use natural basins, the County's Urban Growth Boundary, and negotiations with adjacent sewer service providers to determine the ultimate service area (2008 Long -Range Wastewater Management Plan). 2.12 Facilities should be planned and sized to serve natural basins to minimize the need for pumping and inter -basin transfers (2008 Long -Range Wastewater Management Plan). 2.13 Projected sewage flows from development should be calculated based on adopted land use plans and policies. These projections should be used as a guide in developing the REVIEW DRAFT - January 2009 3-5 wastewater Capital Improvement Program (CIP). If and when land use plans and policies are revised, the CIP should be adjusted accordingly (2008 Long -Range Wastewater Management Plan). 3.0 SERVICE AREA EXTENSION OBJECTIVES: Ensure the availability of an adequate level of sanitary sewer service to areas annexing to the City or areas within the City's Potential Annexation area. 2+1111LOR44 3.1 The City of Renton will follow state guidelines that define a City's ability to assume facilities in annexation areas (RCW 35.13A and 2004 Renton Comprehensive Plan, Policy U-64). 3.2 The City may assume existing portions of adjacent sanitary sewer systems, at the discretion of the City Council, when such assumptions promote the logical and efficient development of the City's sanitary sewer system (Policy U-70, 2004 Renton Comprehensive Plan, adopted November 1, 2004 as amended). 3.3 Allow the extension of sanitary sewer services within the City's Potential Annexation Area according to such criteria as the City may require. Sanitary sewer service shall not be established within the boundaries of another sewer service provider's district, except by agreement with that provider (Policy U-69, 2004 Renton Comprehensive Plan, adopted November 1, 2004 as amended). Comment: As the service provider, Renton is the point of contact or focal point. Not all regulations or criteria originate with Renton. Some regulations or criteria originate at the federal, state, or county level. All applicable regulations will be followed in the provision of service in unincorporated areas. 3.4 Areas annexed without existing municipal sanitary sewer service shall be served by Renton unless a service agreement exists or is negotiated with a neighboring utility (RCW 35.13A.050 and Policy U-65, 2004 Renton Comprehensive Plan, adopted November 1, 2004 as amended). 3.5 Areas annexed with existing sanitary sewer service must meet the City's sanitary sewer service objectives. Upgrading of sanitary sewer facilities to City standards, within all or portions of newly annexed areas will be required if there is a threat to public health and safety. If improvements are necessary, they may be accomplished by developer installation or LID as a condition of the annexation (Policy U-66, 2004 Renton Comprehensive Plan, adopted November 1, 2004 as amended). REVIEW DRAFT - January 2009 3-6 3.6 The City Council shall consider annexations without assumptions of existing sanitary sewer facilities under the following conditions: a. The sanitary sewer facilities are or will be operated and maintained by an adjacent municipal utility; and b. The adjacent utility has executed a service boundary agreement with the City; and The annexation area is better served by the adjacent utility either because of location within a drainage basin or because it is the most logical extension of facilities (2008 Long -Range Wastewater Management Plan). 3.7 When areas outside of the city limits annex to the City, they must be provided with an adequate level of sewer service. The City of Renton will serve annexed areas that do not have sewer service unless a service agreement exists or is negotiated with a neighboring utility. Annexed areas with existing sanitary sewer service must meet the City's sanitary sewer service objectives as they are defined within the Wastewater Management Plan. However, upgrading sanitary sewer facilities to all City sanitary sewer standards will be required only if there is a threat to public health and safety. As a condition of the annexation, improvements may be required, which can be constructed by developer installation or LID (2008 Long -Range Wastewater Management Plan). 3.8 In the Urban Growth Area all new development shall be served by public sewers, unless application of this policy to a proposal for a single-family residence on an individual lot would deny all reasonable use of the property (2004 King County Comprehensive Plan with 2006 Amendments, Policy F-245). 3.9 King County shall work with cities, special purpose districts, and other local service providers and citizens to identify and distinguish local and countywide services. Over time, cities will assume primary responsibility for coordination the provision of local services delivery- The County will assume primary responsibility for coordinating the provision of countywide services, including countywide services that must be delivered within city boundaries. The County will also work with cities, special purpose districts, and other counties to identify regional services and facility needs, and develop strategies to provide them (2004 King County Comprehensive Plan with 2006 Amendments, Policy F-102). EXISTING REGULATIONS: 3.10 Sanitary sewer service to properties outside the City's corporate limits will not be permitted except under the following conditions: a. Public Entity: The applicant is a municipal or quasi -municipal corporation including a school, hospital or fire district, County of King, or similar public entity; or b. Necessary Service: Service is necessary to convert from a failed or failing septic system or in the area that has been defined by the Seattle -King County Health Department as a health concern area; or REVIEW DRAFT - January 2009 3-7 C. Vested Service: Those properties for which the City has granted a valid sewer availability certificate prior to July 21, 2008 and the project has a current vested right to build; or d. In the City's Sewer Service Area, Existing Legal Lot(s) Desiring to Construct One Single -Family Residence or Connect One Existing Single Family Residence: The Administration may approve the connection of one single- family residence on an existing legal lot. In any case, as a condition of sewer service by the City of Renton, the property owner(s) shall execute a covenant to annex for each parcel when the property being provided sewer service is within Renton's Potential Annexation Area (PAA) (City Code Section 4-6-040.C). 4.0 FINANCIAL OBJECTIVE: Provide sound financial policies on which to base operations of the Wastewater Utility that will allow the utility to meet its overall goal. POLICIES: 4.1 Criteria should be established for developing the fees and rates necessary to maintain the Wastewater Utility's established level of service (2008 Long -Range Wastewater Management Plan). 4.2 The Wastewater Utility shall be operated as an enterprise utility (financially self- supporting) (2008 Long -Range Wastewater Management Plan). 4.3 The Wastewater Utility should use a rate setting process that complies with standards established by the American Public Works Association (2008 Long -Range Wastewater Management Plan). 4.4 The Wastewater Utility should use cost -based rates and additional charges that: a. Recover current, historical, or future costs associated with the City of Renton's sanitary sewer system and services. b. Equitably charge utility customers to recover costs commensurate with the benefits they receive. C. Provide adequate and stable sources of funds to cover the current and projected annual cash needs of the Wastewater Utility (2008 Long -Range Wastewater Management Plan). 4.5 Portions of the revenue generated from sewer user rates will be used for wastewater utility related capital improvement projects, including debt service for the projects (City Code Section 8-5-15F). 4.6 New customers seeking to connect to the sanitary sewer system shall be required to pay charges for an equitable share of the cost of the system. Revenue from these charges is used to finance part of the CIP (City Code Section 4-1-180.C). 4.7 Customers should be charged for supplemental, special purpose services through separate ancillary charges based on the cost to provide the service. Ancillary charges REVIEW DRAFT - January 2009 3-8 create more equitable fees and increase operating efficiency for services to customers. Revenue from ancillary charges should be used to offset operations and maintenance costs (2008 Long -Range Wastewater Management Plan)_ 4.8 The utility should maintain information systems that provide sufficient financial and statistical information to ensure conformance with rate -setting policies and objectives (2008 Long -Range Wastewater Management Plan). 4.9 Rates shall be developed using the cash basis to determine the total revenue requirements of the Wastewater Utility (2008 Long -Range Wastewater Management Plan). 4.10 User charges shall be sufficient to provide cash for the expenses of operating and maintaining the Wastewater Utility. To ensure the fiscal and physical integrity of the Wastewater Utility, an amount shall be set aside each year for capital expenditures from retained earnings, that is, an amount shall be set aside to cover some portion of the depreciation of the physical plant. The amount may be transferred from the Sanitary Sewer Fund to the Construction Fund for general purposes, or for specific purposes, such as creating a reserve for main replacement (2008 Long -Range Wastewater Management Plan). 4.11 A Working Capital Reserve will be maintained to cover emergencies, bad debts, and fluctuations in cash flow (2008 Long -Range Wastewater Management Plan). 4.12 The customer classes for the utility shall be single-family (including attached single- family), commercial (including multi -family), and industrial (City Code Section 4-6-040.E.2). 4.13 The inflation rate should be based on information provided by the Finance Department (2008 Long -Range Wastewater Management Plan). 4.14 Large industrial users should be charged for services on the same basis as all other users (2008 Long -Range Wastewater Management Plan). 4.15 The utility should use generally accepted cost allocation principles for all cost allocation purposes (2008 Long -Range Wastewater Management Plan). 4.16 The utility fees and charges should be calculated for the service area as a whole. Rates should be the same regardless of location (except for the insideloutside City distinction discussed below) (2008 Long -Range Wastewater Management Plan). 4.17 When the City takes over existing service of properties outside the City limits by agreement with an adjacent district, the City shall charge the normal in -city rates (2008 Long -Range Wastewater Management Plan). REVIEW DRAFT - January 2009 3-9 EXISTING REGULATIONS: 4.18 For customers residing outside the City limits, sanitary sewer rates are 1.5 times the residential City rates (City Code Section 8-5-15C). 4.19 Renton provides for a senior and/or disabled citizen discount on City sewer rates (City Code Section 8-5-15D4). 4.20 Owners of properties that have not been assessed or charged an equitable share of the cost of the sanitary sewer system shall pay, prior to connection to the system, one or more of four charges: a. System Development Charge b. Special assessment charge C. Latecomer's fees d. Inspection/approval fees (City Code Sections 4-1-180.C, 4-1-180.D, and 4-1- 180.E) 5.0 FACILITY OBJECTIVE: Provide a wastewater collection system that ensures adequate capacity and system reliability, is consistent with land use and environmental protection goals and policies, and is well maintained. POLICIES: 5.1 Design criteria should be established to provide an optimum performance level and a standard of quality for the sanitary sewer system (2008 Long -Range Wastewater Management Plan). 5.2 All lift stations that will be converted to public maintenance shall have control and telemetry systems that are consistent and compatible with the current City system (2008 Long -Range Wastewater Management Plan). 5.3 Joint use facilities will be pursued only in those areas where they would improve reliability or reduce operating costs. All joint use facilities must comply with City policy and design standards (2008 Long -Range Wastewater Management Plan). EXISTING REGULATIONS: 5.4 Public sewers shall conform to the latest standards of the City of Renton, as adopted by City Code as well as the Department of Ecology Criteria for sewage works design and the Recommended Standards for Sewage Works of the Great Lakes -Upper Mississippi River Board of State Sanitary Engineers. The standards are subject to review by the Department of Ecology of Washington State. All public sewer extensions shall conform to City standards and be consistent with the City Long -Range Wastewater Management Plan (City Code Section 4-6-040.F.2). REVIEW DRAFT - January 2009 3-10 5.5 The public sewer shall be ductile iron American Water Works Association (AWWA) C 151, that is with Type Il push -on or Type it l mechanical joints, together with cement mortar lining that is 3132 of an inch in accordance with AWWA C 104, or polyvinyl chloride (PVC) plastic pipe American Society for Testing Methods (ASTM) D 3034, or concrete non - reinforced ASTM C14 Class 2, or concrete reinforced ASTM C76. Rubber gaskets for concrete pipe shall meet ASTM C443 standards. Rubber gaskets for PVC pipe shall meet ASTM 1869 standards. However, public sewers installed in filled or unstable ground, in areas with high ground water levels, or in areas where the potential for infiltration occurs, may be required to be either ductile iron, or PVC plastic pipe. Exact pipe material shall be as determined by the Wastewater Utility. Alternative pipe materials may be considered by the Wastewater Utility on a case -by -case basis. Minimum size shall be 8 inches in diameter (City Code Section 4-6-040.F.3). 5.6 Manholes shall be installed at the end of each line, at all changes of grade, size or alignment, and at distances no greater than 400 feet for 15-inch diameter sewers or smaller. Greater spacing may be permitted in larger sewers. Manholes shall be a minimum of 48 inches in diameter, shall be precast concrete or cast in place concrete, with steel reinforcement. Steps shall be placed at 1-foot intervals, conforming to current safety regulations. The manhole covers shall be 24-inch diameter cast iron frame and lid. All connections to the manhole shall match the existing inverts or have a drop connection in accordance with standards (City Code Section 4-6-040.F.5). 5.7 All private lift stations for commercial or multi -family use shall have alarm and standby emergency operation systems, and meet or exceed Department of Ecology specifications as detailed in Recommended Standards for Sewage Works. All private single-family lift stations shall meet or exceed City standards for that type of facility (City Code Section 4-6-040.F.6). 5.8 All person(s) or local improvement districts desiring to extend sanitary sewer mains as part of the City's system must extend said mains under the supervision of the Wastewater Utility (City Code Sections 4-6-040.F.7). 5.9 No property shall be served by City sewer unless the sewer main is extended to the extreme boundary limit of said property as required by this section. All extensions shall extend and cross the full width of the property to be served by sewer except when shown by engineering methods, to the satisfaction of the Wastewater Utility, that future extension is not possible or necessary. If an exemption is granted, the property owner is not relieved of the responsibility to extend the main and shall execute a covenant agreeing to participate in an extension if, in the future, the Wastewater Utility determines that it is necessary (City Code Sections 4-6-010.8). REVIEW DRAFT - January 2009 3-11 5.10 Any facility improvements, identified by the current adopted Long -Range Wastewater Management Plan, that are not installed or are being installed must be constructed by the property owner(s) or developer(s) desiring service (City Code Sections 4-6-040. B ). 5.11 Any party extending utilities that may serve other than that party's property may request a latecomers' agreement from the City (see City Code Chapter 5, Title IX for methodology) (City Code Sections 9-5-1). 5.12 Any party required to oversize utilities may request that the utility participate in the cost of the project (City Code Section 4-6-010.C). 5.13 Grease and oil interceptors or other approved methodology, shall be required on all restaurant, garage, and gas station premises and shall be so situated as to intercept the sources of grease and oil wastes but exclude domestic or human wastes. Grease, oil, and sand interceptors shall be provided in any other case if, in the opinion of the Wastewater Utility, they are necessary for the proper handling of liquid wastes. All interceptors shall be of a type and capacity approved by the Wastewater Utility (City Code Section 8-5-11). 5.14 Old building sewers may be used in connection with new buildings only when, after examining and testing them, the Wastewater Utility finds they meet all standards and specifications of the City (City Code Sections 4-6-040.G.13). 5.15 The size and slope of the building sewer shall be subject to the approval of the Wastewater Utility. The standard minimum sizes and slopes are (City Code Sections 4-6- 040.G.3): a. 4 inches at a 2 percent slope (114 inch per foot) for single-family residential. b. 6 inches at a 2 percent slope (114 inch per foot) for multi -family, commercial, or industrial. In no event shall the diameter of the side sewer stub be less than 6 Inches. The Wastewater Utility may allow, under certain circumstances, a 6-inch side sewer to be laid at no less then 1 percent (118 inch per foot). A grade release holding the City harmless for the flatter slope will be required. 5.16 If a building cannot be served by a gravity system an approved, private lift station may be utilized to provide service (City Code Sections 4-6-040.G.5). 6.0 MAINTENANCE OBJECTIVE: Maintain the sanitary sewer system in a safe, reliable, and efficient operating condition. POLICIES: 6.1 The City will maintain its wastewater collection system according to the following guidelines: REVIEW DRAFT - January 2009 3-12 a. Maintenance shall be performed by the sanitary sewer maintenance staff and supervised by the Field Superintendent. b. All maintenance personnel shall be trained in the procedures and techniques necessary to efficiently perform their job descriptions. C. Dry, heated shop space shall be available to all maintenance personnel. d. Tools shall be obtained and maintained to repair all items whose failure will impact the ability to meet other policy standards. e. Spare parts shall be stocked for all equipment items whose failure will impact either the ability to meet other policy standards or the inability to continue providing service to customers (2008 Long -Range Wastewater Management Plan). 6.2 The City should provide a preventive maintenance schedule for all facilities and equipment. This schedule should be based on the functional and economically useful life of the equipment and facilities as determined by the manufacturer or industry experience. a. Worn parts should be repaired, replaced, or rebuilt before they have a high probability for failure. b. Where feasible and practical, equipment should be replaced before it becomes obsolete (2008 Long -Range Wastewater Management Plan). 6.3 The City will maintain the wastewater collection system in a timely manner that provides service continuity to the customer. a. Equipment breakdown repairs will be made even if overtime labor is involved. b. Equipment that is taken out of service for maintenance will be returned to service as soon as possible (2008 Long -Range Wastewater Management Plan), 6.4 Written records and reports should be maintained on each facility and item of equipment showing its operation and maintenance history (2008 Long -Range Wastewater Management Plan), 6.5 The property owner is responsible for and shall maintain side sewer stubs (that portion of the side sewer within the right-of-way or easement). If a side sewer becomes plugged, it is the property owner's responsibility to correct the problem. The City will assist in locating the side sewer based on any as -built records it has. If it is determined that the problem exists within the City sewer main, the City will provide professional clean up and repair service (2008 Long -Range Wastewater Management Plan). 6.6 A vulnerability analysis will be performed to determine a reasonable "worst case" failure for each basin, The analysis will consider the failure of the interceptor and trunk sewers, failure of the largest mechanical component, and power failure to a single power grid (2008 Long -Range Wastewater Management Plan). EXISTING REGULATIONS: REVIEW DRAFT - January 2009 3-13 6.7 Restaurants and other food processing establishments, garages, and gas stations shall install and maintain grease traps, grease and oil interceptors, or other approved methodology on their premises as determined by the Wastewater Utility (City Code Section 8-5-11). 7.0 ORGANIZATIONAL OBJECTIVE: Provide the organizational structure and staff necessary to operate the City of Renton's Wastewater Utility system efficiently. POLICIES: 7.1 The Wastewater Utility is responsible for operating the sanitary sewer system, including its planning, design, operations and maintenance, records management, customer service, and construction management (2008 Long -Range Wastewater Management Plan). 7.2 The Wastewater Utility shall consist of two sections: Wastewater Utility Systems Section and Wastewater Maintenance Section. The Wastewater Utility Systems Section is responsible for project management of CIP projects, planning and design, and customer service. Wastewater Maintenance Section is responsible for inspection, testing and repair of facilities, routine preventative maintenance, and responding to emergencies (2008 Long - Range Wastewater Management Plan). 7.3 Wastewater Utility customer service is performed by the Planning/Building/Public Works Customer Service Division (general) and by the Wastewater Utility staff (technical) (2008 Long -Range Wastewater Management Plan). 7.4 Provide the levels of staffing and diversity of skills necessary to operate the City's wastewater utility system (2008 Long -Range Wastewater Management Plan). 7.5 The Wastewater Utility should utilize the expertise in other City departments, according to inter -departmental agreements, to augment the Wastewater Utility's expertise (2008 Long -Range Wastewater Management Plan). REVIEW DRAFT - January 2009 3-14 Chapter 4 PLANNING CONSIDERATIONS AND DESIGN CRITERIA 4.1 INTRODUCTION This chapter describes the City of Renton's land use policies, and the sewer system's design criteria. It then describes how land use policies and design criteria were used to develop saturation flow rates that were the basis for a hydraulic computer analysis of the existing system. The City of Renton's land use policies and its sewer system are connected with adjacent sewer systems' policies and systems in several ways. Existing land use provides the basis for designing properly sized sewerage facilities, including trunks, interceptors, and lift stations. Most of the basins served in part by the City are also served in part by other cities or districts. In most cases Renton's sewers are downstream, or at the receiving end of the effluent, from the systems adjacent to the City. Therefore, proper planning for Renton's sewers requires that the plans of these adjacent utilities be evaluated. In addition to adjacent utility plans, the land use plans and policies of King County and the Growth Management Planning Council were also considered. As discussed below the entire planning area is within the Urban Growth Boundary (UGB) established by the Growth Management Planning Council. Renton supports the countywide framework policies (F-245 and F-102) that call for the designated Urban Area to be served with sanitary sewers and prefers cities as the provider of sewer services. The entire study area has been designated Urban by the 2004 King County Comprehensive Plan with 2006 Amendments. 4.2 PLANNING AREA The Planning Area for this Long -Range Wastewater Management Plan was developed using a variety of criteria. Because many of the adjacent utilities have sanitary sewer facilities that border the Renton City Limits, the proposed sewer service area for the most part, corresponds with the current city limits and urban growth boundary, as shown in Figure 4.1. Deviations from this norm did occur in the following areas: As of the adoption of Renton's 1998 Long -Range Wastewater Management Plan, Renton's sanitary sewer service area has been extended to the UGB for the East Cedar River Basin, which coincides with Renton's Potential Annexation Area (PAA), extending to the urban growth boundary. Sewer extensions into this portion of the service area will be primarily driven by development within this basin and the need to provide public sewer to the three schools in the area. Consistent with the Countywide Planning Policies, the current Comprehensive Land Use Plan for the City of Renton has included the East Cedar River basin within the City's Planning Area. REVIEW DRAFT - January 2009 4-1 0 2,000 4,000 Feet 1:24,000 Adjacent Sewer Utility Systems i Urban Growth Boundary City Limits i Sanitary Sewer Service Area FIGURE 4,1 CITY OF RENTON LONG-RANGE WASTEWATER MANAGEMENT PLAN SEWER SERVICE AREA ADJACENT SEWER UTILITIES JANUARY 2008 The City of Renton has negotiated service area boundaries along the common borders with Coal Creek Water and Sewer District, Soos Creek Water and Sewer District, Skyway Water and Sewer District, and Cedar River Water and Sewer District. The study area includes the agreed upon service area boundaries_ Natural boundaries in certain areas make the City of Renton the logical sanitary sewer provider to them. The study area includes a portion of the area to the east of the Green River within the City of Tukwila. As described in Chapter 2, the City of Renton serves six drainage basins, which are: 1) Black River, 2) Downtown, 3) East Cedar River, 4) East Lake Washington, 5) May Valley, and 6) West Cedar River. City of Renton, City of Tukwila, City of Kent, and Soos Creek Water and Sewer District provide service within the Black River Basin. Soos Creels Water and Sewer District also provides service within the Black River and West Cedar River Basins. Skyway Water and Sewer District serves parts of the Downtown Basin. May Valley Basin is partially served by Coal Creek Water and Sewer District. 4.3 LAND USE 4.3.1 City Of Renton Land Use The existing land use pattern of the City of Renton reflects 100 years of settlement and expansion_ The original City was settled in the broad floodplain at the confluence of the Cedar and Black Rivers along the shore of Lake Washington. The downtown, the Renton Municipal Airport, and the Boeing/PACCAR industrial area now occupy these lands. Significant redevelopment is anticipated for the downtown and portions of the former Boeing industrial area over the next 15 to 20 years_ The Landing Development sits on approximately 60 acres of former Boeing Industrial Land. This development currently consists of various retail uses and a significant multi -family component. This development will continue to expand within its existing 60-acres over time as current surface parking is replaced by structured parking, thus permitting future infill of additional retail, residential, and commercial office applications. Phase II of the landing includes an additional approximate 30 acres of land for similar uses as phase I. The initial development of the Landing was a partnership between the City and the developer Harvest Partners. The City installed the base Public Works infrastructure improvements within the newly established public roadways, including roads, storm drainage, water, and sanitary sewer. Areas immediately north and south of downtown are characterized by older, single-family development interspersed with small-scale multi -family developments. Outside of the central business district, commercial areas are concentrated along the major arterials and freeway exchanges, including Rainier Avenue, Grady Way, Sunset Boulevard, NE REVIEW DRAFT - January 2009 4-3 4th Street, the NE 44th Street exit from Interstate 405, and SW 43rd Street. These areas are generally characterized by low intensity, auto -oriented strip commercial, but also include Renton's automali along Grady Way and several large-scale retailers. South of downtown to the city limits, the Green River Valley has developed, with manufacturing, office and warehouse uses. The south and eastern portions of the valley include some commercial uses. The Valley has experienced significant development activity in recent years, primarily comprised of a number of new warehouses, offices, and bulk retail, among other uses. Significant residential development has occurred on the uplands above the Green River Valley, downtown and East Kennydale area. These areas are primarily comprised of single-family neighborhoods, although some concentrations of multi -family and commercial uses exist. West of the downtown, residential development extends seamlessly from Renton up onto the West Hill of unincorporated King County. On the east side of the service area, residential development extends from downtown to the UGB with the denser development closer to downtown and becoming less dense as you travel east. Renton's PAA and sanitary sewer service area on the East Renton Plateau is generally characterized by large -lot single family, moderate density single-family developments, and vacant, un-platted parcels. This is an area where the City has seen significant single-family growth occur. The City anticipates continued expansion of the sewer system within the areas containing larger or grouped tracts of undeveloped or underdeveloped parcels where the zoning supports the cost of the extensions. The geography and hydrology of the Renton vicinity as well as a proactive parks acquisition program by the City of Renton combine to provide significant open spaces that constitute a passive land use. Some larger examples include lands adjacent to the Cedar River and May Creek, Gene Coulon Park on Lake Washington, the Black River Riparian Wildlife Habitat area and habitat areas of the Green River Valley. The City has had a Comprehensive Plan since 1965. The current Plan, adopted in 2004 and annually amended, was developed and approved under the regulatory requirements of the Washington State Growth Management Act (GMA) and the policy framework of the King County Countywide Planning Policies. While the Plan includes Transportation, Housing, Capital Facilities, Utilities, Downtown, Economic Development, and Environmental Elements, it is the policy decisions expressed in the Land Use Element that gives the Plan its primary direction and cohesiveness. This Long -Range Wastewater Management Plan proceeds from and supports the policies and Land Use Map of the Comprehensive Plan. Utility Element policies have been addressed in Chapter 3. To the extent that the City has jurisdiction or can require compliance, development within the service area must be consistent with Renton's Comprehensive Plan. Consistency with certain elements of the Plan is required as a condition of sanitary sewer service outside the city limits. The Comprehensive Plan is intended to provide the basis for all development regulations, functional plans and other City plans and programs that may in some way support, implement or derive from the City's land use plans. The Comprehensive Plan is a broad statement of REVIEW DRAFT - January 2009 4-4 community goals and policies that direct the orderly and coordinated physical development of the City. The Plan anticipates change and provides specific guidance for future legislative and administrative actions. The Plan also serves as a guide for designating land uses and infrastructure development as well as developing community services. Sewer service outside the City is currently restricted to only single family uses on existing platted lots, quasi public agencies, existing developments with confirmed health related issues to their existing on -site system, and those developments with vested sewer availability letters prior to the adoption of this current code. The purpose of this code is to allow for existing and proposed single family to connect on an existing lot, allow public uses the ability to connect, recognize uses that may have health issued that need to be addressed and recognize those developments with existing legal sewer availability letters. All new development, either residential requiring subdivision, or other type uses (Multi family, commercial, etc.) will be required to annex into the City prior to receiving sanitary sewer service. 4.3.2 City of Renton Land Use Designations The Land Use Map adopted on December 10, 2007 within the Land Use Element of the Comprehensive Plan represents the intended future pattern of land uses in the planning area as shown in Figure 4.2. The service area addressed in the Wastewater Management Plan includes most of the area within the existing city limits, the urban growth boundary and one area outside the urban growth boundary. The areas outside of the City includes 117 acres within the city limits of Tukwila, approximately 15 acres within the city limits of Kent and unincorporated areas in Renton's potential annexation area. The only area outside the urban growth boundary that Renton provides service to is the Apollo Elementary School. The district designations on the Land Use Map correspond to policies in the Land Use Element of the Comprehensive Plan and are implemented by the City's adopted Zoning Map and Zoning Code. The land use designations are described below. 4.3.2.1 RESIDENTIAL DESIGNATIONS 4.3.2.1.1 Residential Low Density Land Use Designation The designation is intended to guide development on land appropriate for a range of low intensity residential and employment where land is either constrained by sensitive areas or where the City has the opportunity to add larger -lot housing stock, at urban densities of up to 4- dwelling units per net acre (du/net acre), to its inventory. REVIEW DRAFT - January 2009 4-5 Z X� k S r '�ilri i 'o ;j J A 4 V RESIDENTIAL Residential Low Density Residential Single Family Residential Medium Density Residential Multi -Family CENTER DESIGNATIONS Center Village Urban Center Downtown Urban Center - North J Z� j This document is a graphic representation, not guaranteed P to survey accuracy, intended for city purposes only and based on the best information available as of the date shown Landuse data as of adopted date of December 10. 2007 EMPLOYMENT AREA DESIGNATIONS Employment Area - Industrial Emplyment Area -Valley COMMERCIAL DESIGNATION Commercial Neighborhood Commercial/Office/Residential Commercial Corridor Ej City Limits i Urban Growth Boundary 0 2,000 4,000 Feet 1:24,000 FIGURE 4.2 CITY OF RENTON LONG-RANGE WASTEWATER MANAGEMENT PLAN COMPREHENSIVE PLAN LANDUSE JANUARY 2008 4.3.2.1.2 Residential Single Family Land Use Designation Lands in the Residential Single Family Designation are intended to be used for quality residential detached development organized into neighborhoods at urban densities. It is intended that larger subdivision, infill development, and rehabilitation of existing housing be carefully designed to enhance and improve the quality of single-family living environments. 4.3.2.1.3 Residential Medium Density Land Use Designation The Residential Medium Density designation is intended to create the opportunity for neighborhoods that offer a variety of lot sizes, housing, and ownership options_ 4.3.2.1.4 Residential Multi -Family Land Use Designation The multi -family residential land use designation is intended to encourage a range of multi- family living environments that provide shelter for a wide variety of people in differing living situations, from all income levels, and in all stages of life. 4.3.2.2 CENTER DESIGNATIONS The City's Comprehensive Plan is based, in part, on a hierarchy of mixed -use centers, primarily comprised of residential and commercial uses. These areas are intended to be urban in land use and pedestrian in orientation. The centers vary in terms of the intensity of development and the range of intended market area for the goods and services provided. Center boundaries are intended remain relatively static. 4.3.2.2.1 Center Village Land Use Designation Center Village is characterized by areas of the City that provide an opportunity for redevelopment as close -in urban mixed -use residential and commercial areas that are pedestrian oriented. These areas are anticipated to provide medium to high -density residential development and a wide range of commercial activities serving citywide and sub -regional markets. Center Villages typically are developed within an existing suburban land use pattern where opportunities exist to modify the development pattern to accommodate more growth within the existing urban areas by providing for compact urban development, transit orientation, pedestrian circulation, and a community focal point organized around an urban village concept. 4.3.2.2.2 Urban Center Downtown Land Use Designation The Urban Center - Downtown (UC-D) is expected to redevelop as a destination shopping area providing neighborhood, citywide, and sub -regional services and mixed -use residential development_ UC-D residential development is expected to support urban scale multi -family projects at high densities, consistent with Urban Center policies. Projects in the UC-D are expected to incorporate mixed -uses including retail, office, residential, and service uses that support transit and further the synergism of public and private sector activities. In the surrounding neighborhoods, infill urban scale townhouse and multi -family residential REVIEW DRAFT - January 2009 4-7 developments are anticipated. Site planning and infrastructure will promote a pedestrian scale environment and amenities. 4.3.2.2.3 Urban Center North Land Use Designation The purpose of the Urban Center North Land Use Designation (UC-N) is to redevelop industrial land for new office, residential, and commercial uses at a sufficient scale to implement the Urban Centers criteria adopted in the Countywide Planning Policies. This portion of the Urban Center is anticipated to attract large-scale redevelopment greater than that in the UC-D, due to the large available land holdings under single ownership. In addition, this new development is expected to include a wider group of uses including remaining industrial activities, new research and development facilities, laboratories, retail integrated into pedestrian -oriented shopping districts, and a range of urban -scale mixed -use residential, office and commercial uses. The combined uses will generate significant tax income for the City and provide jobs to balance the capacity for the more than 5,000 additional households in the Urban Center. Development is expected to complement the UC-D_ 4.3.2.3 EMPLOYMENT AREA DESIGNATIONS 4.3.2.3.1 Employment Area -Industrial The Employment Area -Industrial designation is intended to provide continued opportunity for manufacturing and industrial uses that create a strong employment base in the City. 4.3.2.3.2 Employment Area - Valley The purpose of the Employment Area -Valley designation is to allow the gradual transition of the Valley from traditional industrial and warehousing uses to more intensive retail service and office activities. The intent is to allow these new activities without making industrial uses non- conforming and without restricting the ability of existing businesses to expand. 4.3.2.4 COMMERCIAL DESIGNATIONS 4.3.2.4.1 Commercial Neighborhood Land Use Designation The purpose of Commercial Neighborhood designation is to provide small scale, low -intensity commercial areas located within neighborhoods primarily for the convenience of residents who live nearby. Uses should be those that provide goods and services. In addition, a limited amount of residential opportunities should be provided. 4.3.2.4.2 Commercial/Office/Residential Land Use Designation The Commercial/Office/Residential (COR) designation provides opportunities for large-scale office, commercial retail, and multi -family projects developed through a master plan and site plan process incorporation significant site amenities and/or gateway features. COR sites are typically transitions from an industrial use to a more intensive land use. The sites offer redevelopment opportunities on Lake Washington and/or the Cedar River. REVIEW DRAFT - January 2009 4-8 4.3.2.4.3 Commercial Corridor Land Use Designation The Commercial Corridor district is characterized by concentrated, pre-existing commercial activity, primarily in a linear urban form, that provides necessary goods and services for daily living, accessible to near -by neighborhoods, serving a sub -regional market and accommodating large volumes of traffic. Table 4.1 lists the acreage of Renton's proposed sanitary sewer service area by Renton Comprehensive Plan land use designation and with reference to the city limits. As noted above, portions of the proposed service area are within another. For those areas outside Renton's Comprehensive Planning area, land use designations are adopted by different jurisdictions. 4.3.2.5 School Designations The City of Renton serves public elementary, middle, and high schools from the Issaquah and Renton School districts in addition to private schools, Renton Technical College, and a University of Phoenix campus. These schools are spread throughout Renton and can be found within each service basin except for the May Valley Basin (Figure 4.3). There are three schools in Renton's service area, Liberty High School, Maywood Middle School, and the Briarwood Elementary School that are not currently connected to the public sewers. All three of these schools are in the East Cedar River Basin. Table 4.1 Land Use of Renton's Sewer Service Area Long Range Wastewater Management Plan City of Renton Area in Acres Land Use Designation (Existing City Limits) Area in Acres (PAA) Residential Low Density 2,151 2,019 Residential Single Family 3,820 63 Residential Medium 603 154 Residential Multi -Family 511 0 Center Village 208 0 Urban Center Downtown 223 0 Urban Center North 356 0 Employment Area - Industrial 532 0 Employment Area - Valley 1,763 0 Commercial Neighborhood 28 0 Commercial / Office I Residential 154 0 Commercial Corridor 897 0 Total 11,246 2,236 REVIEW DRAFT - January 2009 4-9 Bellevue P �ttil �xewvp g Kam• i �, School District" Mercer Island? ! L4LLLWOLY[TIYLnTAIY! 3 , School District r rr,rs � aj mv I p It— � a IssagUah j y •;1 ILETINV.1Le School ww District -Seat b School ` 4a �� s �• ._I Fill f-Ar-)4 �� ,WF iMrM1p4 District ILIAMIWF r r Y O LIIIILMALY !� 1 a � -- �r�' '� C_.. -,. .,_ � � � � H ■ � L�[xN �l -}-L 113�ry �i- 711TwGi VIOL ♦�-7 nM 4 1•, � � 1iC'tlO4W ! S4 ,iiw �-��.�wy���� F +Y MYHMAw[ I Il1I }¢Q QRYD14YDLlY f ,M*i,IMo��� F' •#,F g� -� "� CA}P[[LL LLl [C[[QMTMY I 1- • rrn Fw � � � 6i[TILNTAiY II! wTMY _ S LL, f y( I lQ�}I, 11 IGf.0.A11W � M134k• IHp � qM ww� 1 rH YR [[Wa"MIN" W.UaQL� aEfizws ! w� i.M1. 5�r�� f: ` ��1* S � F KqM. • t _, � i � � �L ig 11 �' uancLlY[x Lrii� I a 6 I[9Doi,. r.rr �� MPOLI � d L - sla,mal w'w+,waS • L LAR[WOOY ` 4S LIB �ilwi ! ! ! �4 • {{[ICL1T - - ' 'vwll^ iI Renton .x , ru' o ,] _ aYn . � ♦ Ylr [['p JUL School! ja District F� - lJP[LTLY E I I n _-.�.;_��"- ! mr.. w n F P['LOOT =! uwip►�% F A 1 � �ww E ! �s R rt,,.a � R eF F [■ [ _ � E � la.'+ u._. �,..�^ � ! fE _.._ • yy i I n � a '� / � E - � �� F + xAYwoaL I� �� 4 l ! TICPAMY CWAL LLiK[MApY y K f _}� Sh � _ ! � � , cool Sc h V O \ p �' —..Q F ,N F t, 2 wQl 4 ' Ip^ �[ 1�61. R.I,p s TATbOiLtLL K«. ,+ H w e District �4� u ,� +TOM PAu .+7"9� p+r prow lr. Y ,r L S Y�ani y^9 r H 6 I R HIM 1 r !� [ [•,IFaa i ! aw+• ! ! d , I ri �n�, t.• l 3 ¢ M WMn s Wj0 CAeUM TA" nwPm ! 4 Kent ' Iwha� [ i 11 nFti K 1L19mp Ipµ ,� r` School d ,••�' Lp• pa.� ._� /` \ 7� R u1Rp J YLGIF'!�h - 61iP efl R 6 � 6kTs� District _-.__-._._ _�"E+•'Y=.�_ua:_ F 44M1�a V WNW u'.MrTAW t J __ F pxw ;� [IwRH F �-�u�• t w � ww _ ', ..._II H I muR T!•eQiG9eOLe D.f?IIT1RleY . bb k cxF • [ y r �A. ph �* zipH -.o, \ w kw 1 g.J \ "" i� r mce PcvooT S F 7 ! � MR aHM1. rtN � r �unrxn s[IIoeH bF open. 0 2,000 4,000 Feet 1 :24, 000 0 i Schools 0 School District Boundary Sanitary Sewer Service Area FIGURE 4.3 CITY OF RENTON LONG-RANGE WASTEWATER MANAGEMENT PLAN SCHOOLS JANUARY 2008 4.3.3 King County Land Use The 2004 King County Comprehensive Plan with 2006 Amendments directs Land use within the unincorporated portions of the study area. Policy F-249 identifies that "Public Sewer expansions shall not occur in the Rural Area and on Natural Resource Lands except where needed to address specific health and safety problems threatening structures permitted before the effective date of the County Plan or the needs of public facilities such as schools." The City does not see potential service to rural areas as a major impact to our proposed service area. The City will address the need(s) for expansion into the rural area as they arise. All of the service area in unincorporated King County is designated "urban", with the exception of the service to Apollo Elementary School just east of the urban growth areas (UGAs). UGAs are intended to develop at urban densities and with urban service levels. Under the growth management concept, these areas are expected to accommodate the majority of King County's population and employment growth. The UGB is the division line between the designated urban and rural areas that defines the eastern boundary of Renton's PAX According to the King County Countywide Planning Policies that provide a policy framework for all comprehensive plans in King County, cities may not annex areas outside the UGB nor may they provide sewer service, except in cases of threat to public health. Unincorporated areas of King County are divided into community planning areas, each with a community plan. While these community plans were not adopted as part of the 1994 King County Comprehensive Plan, the plans remain in effect and continue as official County Policy_ Where conflicts or inconsistencies between the policies of the community plans and the County's Comprehensive Plan occur, the Comprehensive Plan takes precedence. Three community plans, Soos Creek, West Hill, and Newcastle, cover most of the unincorporated areas within the study area of this plan. 4.3.4 City of Kent Land Use City of Kent Planning Services assures quality in the land development process by effective administration of land use codes and compliance with the GMA. Planning Services is guided by and committed to public participation, customer service, and helping to attain the highest possible quality of life for all Kent citizens. The Comprehensive Plan Land Use Map provides the general vision for the City's growth over the next twenty years, and provides a framework for amendments to the City's official Zoning Districts Map. Approximately 15 acres of the City of Renton's sewer service area are within the City of Kent. This area is designated as single-family residential_ 4.3.5 City of Tukwila Land Use During 2004, Tukwila updated its Comprehensive Plan to ensure that it meets statewide planning regulations. Key topics included reviewing policies and development codes for environmentally sensitive areas, as well as adopting new countywide housing and employment REVIEW DRAFT - January 2009 4-11 targets. Tukwila's Comprehensive Plan is the guiding document or "blueprint" for how Tukwila will manage future growth and development over the next twenty years. The Comprehensive Plan was adopted in 1995, with opportunities for amendments each year. Approximately 117 acres of the City of Renton's sewer service area are within the City of Tukwila. 40 acres are within the Tukwila Urban Center that contains an intense diverse mix of use that will continue to evolve over time. The center is a regional commercial/industrial area with limited mixed use residential. The remaining area is designated as Commercial/Light Industrial. Table 4.2 displays the land use designations for those areas within Renton's service area that are outside of the City of Renton but not inside Renton's PAA. Table 4.2 Land Use Designations for Areas Outside Renton's PAA Long Range Wastewater Management Plan City of Renton Jurisdiction (Designation) Land Use (Density) Area in Acres Kent (US) Urban Separator (3 to 8 units / acre 15 maximum) Tukwila (Commercial/Light Commercial/Office/Light Industrial 77 Industrial) Tukwila (Tukwila Urban Center) Commercial/Office/Light Industrial/ Multi- 40 Family (22 du/acre maximum) King County Apollo Elementary School 12 4.3.6 Adjacent Utility Systems/Joint Use, Service Agreements and Related Plans The City has entered into several joint use and service agreements with neighboring districts and private customers when it has been economically beneficial. A list and a summary of these joint use and service agreements are presented below. The full text for each of these agreements is presented in Appendix A. • Coal Creek Utility District (formerly Water District No. 107) — CAG-035-075, 1975 - Construction of an interceptor line from the City of Renton sewer service area through Water District No. 107 to a collection trunk operated by the Municipality of Metropolitan Seattle. — Sewer Utility Franchise, 1987 - The City of Renton granted Water District No. 107 the right to install sewer lines within the service area of Water District No. 107. — CAG-01-031, 2001 - Sewer service boundary clarification. • City of Kent — Resolution No. 2413, 1981 - Grants the City of Renton the right to extend sewer services to portions of the City of Kent. REVIEW DRAFT - January 2009 4-12 • King County — Franchise No. 14056, 2001 - Grants the City of Renton the right to construct sewer lines along County roads. • Soos Creek Water and Sewer District, formerly called Cascade Sewer District — Resolution 1234 AG-764-64, 1964 - Interceptor sewer line from the Cascade sewer system through portions of the City of Renton to the sewer system of the municipality of Metropolitan Seattle. — Agreement CAG-039-074, 1974 - Extension of the City of Renton's sewer service to certain areas within the Cascade sewer service area. — CAG-083-91, 1991 - Soos Creek Water and Sewer District to provide sewer service to certain properties within the Renton city limits. — CAG - 097-164, 1997 - Revision of the water sewer service boundary. — CAG -083-91 Addendum 1-04, 2004 - The Soos Creek Water and Sewer District may connect certain properties (described in the 1991 agreement) to the Renton Sewer System. • Skyway Water and Sewer District — CAG-03-197, 2003 - Sewer and water service boundary clarification. — CAG-06-170, 2006 - Skyway Water and Sewer District may connect a portion of their service area into the City of Renton's sewer facilities. • Cedar River Water and Sewer District — CAG-99-014, 1999 - Water and sewer service boundary clarification. The City is surrounded by seven adjoining sewer utility entities, as previously shown in Figure 4.1. These adjacent utility entities are listed below. 4.3.6.1 Coal Creek Water and Sewer District Coal Creek Water and Sewer District (formerly King County Water District No. 107) provides sewer service in part of the May Valley Basin. The District adopted a Comprehensive Sewer Plan in 1988. They are currently preparing an update to that plan. Its plan for serving May Valley Basin includes diverting approximately 1,000 acres from the May Valley Basin to the Coal Creels Basin on an interim basis. This plan is based upon two assumptions: first, that it would be too difficult and expensive to construct a May Valley Interceptor at this time, and second, that the City of Renton's service in the southern part of the Basin is adequately provided by the Honey Creek and Sunset Interceptors. In order to accomplish this diversion, the District is proposing to construct three lift stations and to complete a Coal Creek Interceptor Improvement Project. The City and Coal Creek have made boundary adjustments to remove previous service overlaps. This interlocal agreement provides for joint use of a sewer main in Lincoln Avenue for REVIEW DRAFT - January 2009 4-13 the provision of service to that area and to allow for another portion of Renton's service area to flow into Coal Creek's system. 4.3.6.2 Cedar River Water and Sewer District Cedar River Water and Sewer District (CRWSD) provides service to parts of the Lower Cedar River Basin. However, only a small fraction of the wastewater from CRWSD ultimately flows through the City of Renton's system by flowing through the Soos Creek Water and Sewer District. The majority of sewage from CRWSD flows directly into King County's Cedar River Interceptor located along the Maple Valley Highway. CRWSD's last Comprehensive Sewer Plan was adopted in 1994. Renton and CRWSD have entered into a 1999 interlocal agreement identifying the common service boundary between the two service providers. 4.3.6.3 Soos Creek Water and Sewer District Soos Creek Water and Sewer District adopted the Soos Creek Wafer and Sewer District Sewer Comprehensive Plan 2005 (Roth Hill) in January of 2006. In 1997, the District and City entered into an interlocal agreement revising the boundary between Soos Creek and Renton that had been set by a 1991 agreement. Based upon these agreements, the City is the service provider to some areas currently outside the city and Soos creek provides service to some areas inside the city limits. A 1964 agreement provides for joint use of a sewer interceptor in the Tiffany Park Subbasin, and the 1991 agreement provides for joint use of the Springbrook Interceptor, located on S 192nd Street. The Springbrook interceptor will provide service to the southernmost portions of the City of Renton. 4.3.6.4 City of Kent SW 43rd Street is the principal dividing line between the Cities of Renton and Kent. Renton has an agreement with Kent to serve a small area south of SW 43rd Street east of 72nd Avenue S and west of the Puget Sound Electric Railway right-of-way. The City of Kent Comprehensive Sewer Plan was adopted in 1980. The Renton and Kent City limits adjoin each other. There is a small portion of the City of Kent, south of S 55th Street and east of the Valley Freeway that is in Renton's service area. There are no service area overlaps or gaps between the two entities, except for that one small area. 4.3.6.5 City of Tukwila The City of Renton serves a portion of the City of Tukwila east of the Burlington Northern Railroad and south of Longacres. Tukwila also discharges from a lift station into the King County Sewer System within the City of Renton along Monster Road SW. Tukwila prepared a Comprehensive Sewer Plan in 2005. This Plan shows the extension of sanitary sewer service by the City of Tukwila to the south of what they call Basin 10. The portion of `Basin 10' that is REVIEW DRAFT - January 2009 4-14 south of Minkler Boulevard and east of the Green River is served by Renton dating back to when this area was part of the City of Renton. 4.3.6.6 Skyway Water and Sewer District Skyway Water and Sewer District adopted a Comprehensive Plan in 2004 The Skyway sewer service area is shown in Chapter 1, Figure 1.4. The boundary between Skyway and Renton has been set by an interlocal agreement adopted in 1994. Approximately 70 percent of the District is served with sanitary sewer facilities. An area in the southern portion of the District, as well as in the service area to the south of the District, could be served by gravity to the Renton sanitary sewer system. An agreement to allow the district to route portions of this southern service area through Renton's facilities was entered into in 2006. Skyway Water and Sewer District provides sanitary sewer service to a small area of Renton along Rainier Avenue near S 117th Place and the northwest portion of the airport. Skyway sewage discharges into the King County System within the City of Renton at the north end of the Renton Airport. 4.3.6.7 Kin County Regional Wastewater Services Plan For more than 40 years, King County has protected water quality in the Puget Sound region by providing wastewater treatment services to King, Pierce, and Snohomish counties, including the City of Renton. To ensure the continuation of high quality wastewater treatment services in the future, King County carried out an intensive planning effort, involving numerous elected officials, representatives from local sewer agencies, organizations and individuals from around the region. The Regional Wastewater Services Plan (RWSP) resulted from these efforts, which was adopted by the King County Council in November 1999, via Ordinance 13680. The RWSP outlines a number of important projects, programs, and policies for King County to implement through 2030, and work is well underway. A summary of the major components of the RWSP includes Brightwater Treatment System, Conveyance System Improvements, Regional Infiltration and Inflow Control, Combined Sewer Overflow Control, Odor Control Program, Biosolids Recycling, and Reclaimed Water. In December 1999 as part of the RWSP, the King County Council approved the development of a Regional Infiltration and Inflow (III) Control Program. The purpose of the program is to reduce the risk of sanitary sewer overflows and the cost of adding capacity to facilities that convey wastewater to County treatment plants. In 2000, the County's Wastewater Treatment Division, in cooperation with the local component agencies that it serves, of which the City of Renton is one of, launched an Ill Program. The recommendations of the Ill Program represent the consensus reached by the County and local agencies throughout the 6-year program development process. Knowledge gained from flow monitoring, modeling, pilot projects, and a benefit -cost analysis conducted during the III control study served as the basis for consensus. REVIEW DRAFT - .January 2009 4-15 Recommendations are presented for both Ill reduction and long-term 1/1 control and for program administration and policy. In addition to cost-effectively removing enough Ill from the collection system to delay, reduce, or eliminate some otherwise needed conveyance system improvement (CSI) projects, measures must be in place to maintain 1/1 reductions long-term and to prevent future increases in III throughout the regional system. Long-term III control includes policy, administrative, financial, and technical measures that promote an ongoing program of review, maintenance, and repair of the collection and conveyance system. 4.3.7 City of Renton - Aquifer Protection Ordinance The City of Renton provides water service to City customers from a series of groundwater wells. In 1992, the City of Renton adopted an Aquifer Protection Ordinance to protect its water supply from being contaminated. The water facilities and aquifer protection areas are shown on Figure 4.4. The ordinance regulates land use within the aquifer recharge area in order to protect the aquifer from contamination. As part of aquifer protection the City has designated an aquifer protection area (APA), which is that area within the zone of capture for the City`s aquifers and spring_ The APA is divided into three zones. Zone 1 encompasses the 1-year groundwater capture zone for the downtown wells. Regulations adopted for this zone provide the strongest protection for the area that is very close to the most important and vulnerable wells. Zone 1 Modified encompasses the 1-year capture zones for the Maplewood, Wellfield, and Springbrook Springs, which are partially outside of the City limits. Regulations are somewhat less strict than those in Zone 1 and are intended to provide appropriate protection for important wells/springs that are deep and/or partially protected by intervening layers of relatively impermeable earth materials. — Zone 2 provides a level of protection adequate for areas that are further away from the most important sources but still within the capture zone or for deep backup wells. Zone 2 encompasses: — The portion of the capture zone for downtown wells that lies between the 1-year capture zone boundary and the City limits; — The portion of the capture zone for Well 5A that lies within City limits; and -- The portion of the capture zone for Springbrook Springs that lies between the 1- year capture zone boundary and the 10-year boundary. Land use in Zone 1 is more strictly regulated than in Zone 1-Modified or Zone 2. All new development within Zones 1 must connect to the sewer system. Existing development must connect if it is within 330 feet of a sewer line. In Zone 2, all new platted single-family, multi- family and commercial development must connect to the sewer system. However, a single- family residence is required to connect only if it is within 330 feet of a sewer line. A more detailed description of the proposed aquifer protection policies can be found in Chapter 3. REVIEW DRAFT - January 2009 4-16 { Bull 119 6► � _ " �!�'��! Its -- �•■ � �•r- ,. I � 1 �ll I i i I 10, 0 2,000 4,000 Feet 1:24,000 i10 9 r APA Zone 2,. 3 r r r ■ Pmd cbm wed Zafe i ! I CRY uNts a enclosed Storage racsiq zw" I modrad -� &1 fty Sftw S fMAM TreelnleM PW# �fLCC� Zane 2 FIGURE 4.4 CITY OF RENTON LONG-RANGE WASTEWATER MANAGEMENT PLAN WATER FACILITIES AND AQUIFER PROTECTION AREAS JANUARY 2008 4.4 DEMOGRAPHIC ANALYSIS Future sewer system requirements for the City will be based upon future growth projections within the sewer service area as described above. The planning area boundaries are determined by physical service area agreements between the City and other jurisdictions, including adjacent Cities and Sewer Utility Districts. The UGB designated by the King County Comprehensive Plan determines much of the easterly planning boundary areas. Most of the projected sewer area growth will occur to the areas east of the current City limits, including a large non-sewered area within unincorporated King County in the East Plateau service area. Population, household, and employment data was derived from the Renton Traffic Analysis Zone (RTAZ) projections from the City's Planning Department for the years 1998, 2015, and 2030. In addition to the RTAZ projections, the City Planning Department provided future planning data for areas outside the current City boundaries based on Traffic Analysis Zone (TAZ) data obtained from the Puget Sound Regional Council (PSRC). The data obtained was provided in geographic subdivisions designated as TAZ. The TAZ data consisted of both RTAZ and PSRC TAZ data. Each TAZ included projected growth of households and employment. The 2015 and 2030 data include future development assumptions, such as the Boeing Redevelopment area. The TAZ projections were allocated to the sewer service area using an area -allocation procedure and then further divided into the Sewer Basins by the King County Mini -Basins. The methodology for computing and assigning populations by mini -basins involved the synthesis of the TAZ data information into mini -basin populations. GIS software was utilized to compute the percentage of areas for each TAZ within each individual mini -basin. To improve the reliability and accuracy of the hydraulic model, technical judgment was applied to the computed mini - basin populations to help reduce inaccurate population assignments. This involved modifying or reassigning the population assignments to better match the zoning, or to obtain realistic per capita sewage flows. The actual populations assigned to the hydraulic model are summarized in the "Sanitary Sewer Model Development and Analysis Summary Report, September 2006", on file at City Hall. The Sewer Mini -Basin population projections are included in Appendix B. Population, employment and school data was assigned to the hydraulic model based on King County Sewer Mini -Basins for 2001, existing conditions_ The procedure for assigning population to the hydraulic model involved using zoning information provided by the City to allocate population and employment growth projections based on the percentage of each TAZ within the Mini -Basins. A standard single-family (SF) residential household size of 2.5 persons per household (HH), and a standard multi -family (MF) residential size of 1.8 persons per HH were assumed per the City Planning Department Staff. REVIEW DRAFT - January 2009 4-18 The 2030 data provided by the City is considered to be ultimate built -out population by City Planning Staff. For hydraulic modeling purposes, all populations assigned to the model were increased by an additional 25 percent to establish the, Ultimate (Saturation) Scenario. School populations (combined students and staff) were assigned to the appropriate manholes within the model. Existing staff and student populations were obtained from the Renton School District. School populations for the ultimate model were assumed to grow by the same overall percentage as the combined residential population within the corresponding mini -basin. The planning projections for each of basin are presented in Table 4.3. 4.5 ANALYSIS AND DESIGN CRITERIA This section presents the design criteria for sanitary sewage collection system analysis and design. Analysis is necessary to determine the adequacy of the existing system and to identify needs for future facilities_ The analysis and design criteria are based on "Criteria For Sewerage Works Design" prepared by the Washington State Department of Ecology, King County Department of Natural Resources - Wastewater Division, the City of Renton Standards, actual water usage records, and other accepted engineering criteria and standards for sanitary sewer design and construction. 4.5.1 Wastewater Flow Rates - Definition Wastewater in the service area is generated by the population and by non-residential users within it. The Renton Comprehensive Land Use Plan identifies twelve, separate land use categories. For sanitary sewer planning purposes, these twelve categories were used to determine wastewater flow rates for the hydraulic computer model. The twelve land use categories are listed in the Land Use section of this Chapter. Twelve saturation land use populations were determined by calculating the areas of each designated land use category. This was accomplished by assigning land use designations to all parcels within a land use boundary on a computer base map that was used for producing the figures for this plan. Saturation was defined as the point at which development is complete within a land use designation. 4.5.2 Wastewater Flow Criteria Wastewater flows can be divided into four major components, which are 1) domestic wastes, 2) industrial wastewater, 3) inflow, and 4) infiltration. The wastewater flow criteria used for each or these four components is presented in Table 4.4. 4.5.2.1 Domestic Wastewater Domestic wastewater flows are essentially equal to wintertime water consumption and are typically established on a per capita basis. The average domestic wastewater flow used for analysis and design of the sanitary sewer system is 100 gallons per day per person. REVIEW DRAFT - January 2009 4-19 c m N O O Table 4.3 Population Projections by Basin Long Range Wastewater Management Plan City of Renton 2001 Ultimate (2030 + 25%) Basin SF Employment Schools Employment Schools Population Population Population Population Black River Basin 2,945 3,556 20,564 1,621 4,808 5,226 51,685 2,335 Downtown Basin 4,062 4,323 23,208 1,276 6,268 17,437 37,199 2,013 East Cedar River 0 0 0 0 14,074 447 146 3,109 Basin East Lake Washington Basin 11,845 5,687 2,552 7,057 20,849 11,843 7,214 11,483 May Valley Basin 49 269 628 0 130 665 2,552 0 West Cedar River Basin 6,391 5,377 2,176 1,564 1,406 9,748 4,561 3,055 Total 25,292 19,212 49,128 11,518 57,535 45,366 103,357 21,995 Table 4.4 Wastewater Flow Criteria Long Range Wastewater Management Plan City of Renton Average Domestic Sewage Flow Average Population Density (U.S Census Bureau, 1980): Residential Density Residential Rural Residential Single -Family Residential Options Residential Planned Neighborhood Residential Multi -Family Infill Mixed Use Density Neighborhood Center Suburban Center Center Downtown Center Office I Residential Commercial and Industrial Sewage Flows Convenience Commercial Center Institution Employment Area - Commercial Employment Area - Office Employment Area - Industrial Employment Area - Valley Recreation Green Beft Infiltration and Inflow (1/1) Peak Inflow and Infiltration Peaking Factors System Average Depth/diameter ratio 100 gals/day/person 2.7 person/dwelling unit single-family 1.9 person/dwelling unit multi -family 5 dwelling units/acre 10 dwelling units/acre 13 dwelling units/acre 18 dwelling units/acre 20 dwelling unitslacre Site specific Site specific Site specific Site specific 2,800 gals/acre/day (gpad) 2800 gpad 2800 gpad 2800 gpad site specific site specific 300 gpad 0 gpad 1,500 gpad Notes- (1) Design flow criteria vary considerably, depending upon land use. 2.0 x 0.85 REVIEW DRAFT - January 2009 4-21 4.5.2.2 Cornmercialflndustrial Wastewater Commercial and industrial wastewater is defined as the wastewater generated from a specific commercial or industrial operation. Commercial and industrial wastewater does not include waste generated by employees of the industry, which is considered domestic waste and excluded from this category. 4.5.2.3 Inflow and Infiltration Inflow refers to direct flows of stormwater into sanitary sewer systems through hookups from stormwater collection facilities and illegal connections. Stormwater inflow is due mainly to unauthorized connections to the sanitary sewer system. The enforcement of regulations banning the illegal connections to the sanitary sewer system along with continued efforts to identify and correct previously unauthorized connections minimize stormwater inflow. Infiltration is the entrance of groundwater into the sanitary sewer system through cracks, pores, breaks, and defective joints in the sewer -piping network. Additional infiltration also results from the entrance of storm water through manhole covers. The quantity of water that may infiltrate into a sanitary sewer system depends upon many variables, such as the age of the system, materials used in construction, and the service area's hydrology, soils and groundwater level. However, the design of the sewer system, including mains, laterals, and individual connections, along with inspection during construction, will have substantial impact on the quantity of infiltration. Due to improvements in construction materials and practices, systems installed after 1960 generally show a decrease in the quantity of groundwater infiltration. The use of non -porous piping materials and rubber -gasket type joints will help reduce infiltration and will improve the condition and life of the sanitary sewer system. Renton participated with King County in a regional Ill study. One result of the study was recognition that 1,100 gallons per acre per day (gpad) was not a realistic number. The group determined that a value of 1,500 gpad more accurately represented a minimum value for new systems. Ill values for existing portions of Renton's system will utilize 1/1 values established as part of the regional study for each mini basin analyzed. The areas for each mini -basin for 2001 and ultimate conditions were estimated using GIs Analysis during the Demographic analysis. A summary of the 2001 and Ultimate area served in acres is summarized in Table 4.5 for each of the basins. REVIEW DRAFT - January 2009 4-22 Table 4.5 Developed Basin Areas Long Range Wastewater Management Plan City of Renton Area (acres) Basin 2001 Ultimate Black River Basin 2,773 2,876 Downtown Basin 1,654 1,654 East Cedar River Basin 0 2,105 East Lake Washington Basin 2,539 3,104 May Valley Basin 130 130 West Cedar River Basin 1,752 2,142 Total 8,847 12,010 Note: Areas represent the total developable areas and thus the total presented here is less than the total area of the service area as described in Table 4.1. 4.5.3 Sanitary Sewer Design Criteria All sewer lines within the City of Renton shall be designed in accordance with good engineering practice by a professional engineer with minimum design criteria presented in Chapter C1 of the "Criteria for Sewerage Works Design," prepared by the State of Washington Department of Ecology, November 2007, or as superseded by subsequent updates. This chapter includes standards and guidelines for design considerations (minimum pipe sizes, pipe slopes and wastewater velocities), maintenance considerations, estimating wastewater flow rates, manhole locations, leak testing and separation from water pipelines. These criteria have been established to ensure that the sanitary sewers convey the sewage and protect the public health and the environment. The sewer lines shall also conform to the latest City of Renton Standards and Specifications. Detailed standards are included in Title 4, Chapter 6 of the City Code_ Requirements relating to design are listed below. 4.5.3.1 Design Loading for Sanitary Sewer Facilities Sanitary sewer system flows are composed of residential, institutional, commercial, and industrial sewage, along with infiltration and stormwater inflow. Sanitary sewer systems must be capable of conveying the ultimate peak flows of these wastewater sources. No overflows shall be permitted. 4.5.3.2 Design Period The design period is the length of time that a given facility will provide safe, adequate and reliable service. The period selected for a given facility is based on its economic life, which is determined by the following factors: the structural integrity of the facility, rate of degradation, REVIEW DRAFT - January 2009 4-23 cost of replacing the facility, cost of increasing the capacity of the facility, and the projected population growth rate serviced by the facility. Collection and interceptor sewers are designed for the ultimate development of the contributing area. The life expectancy for new sanitary sewers, using current design practices, is in excess of eighty years. 4.5.3.3 Design of Sanitary Sewer Facilities Allowable sewer pipe shall be ductile iron, high -density polyethylene (HDPE), polyvinyl chloride (PVC), or concrete. For normal depth, PVC is generally preferable, because it has longer laying lengths, which results in fewer joints, reducing the potential for infiltration. Gravity sewers are sized to provide capacity for peak, wet -weather flows. The smallest diameter sewer allowed is 8-inches, except for limited conditions. All sewers will be laid on a grade to produce a mean velocity when flowing half -full of at least two feet per second. Manholes will be at least 48-inches in diameter and will be spaced at intervals not to exceed 400 feet on sewer lines 15-inches in diameter or less, and 500 feet on sewer lines 18-inches in diameter or larger. The design parameters are summarized in Table 4.6. 4.5.3.4 Roughness Coefficient The Manning equation shall be used to design and analyze wastewater flow characteristics of the sanitary sewers. The Manning roughness constant [n] shall vary depending on the pipe material. For sewer modeling, a Manning's equivalent of 0.013 will be used. Typical values are summarized in Table 4.6. 4.5.3.5 Reference Datum The North American Vertical Datum (NAVD) 1988 is the standard datum used within the City of Renton for design and construction of sanitary sewer facilities. 4.5.3.6 Separation between Sanitary and Other Facilities The Department of Ecology requires a ten -foot separation of water and sewer facilities for health reasons. Sanitary and storm sewer facilities shall have basic separation requirements for construction purposes. A minimum horizontal separation of five feet between sanitary and other facilities shall be maintained. Wherever possible, a horizontal separation of seven feet is desirable. These distances are measured edge to edge. 4.5.3.7 Hydraulic Analysis The hydraulics of the City of Renton's sewer service area is modeled with the MOUSE software program by the Danish Hydraulic Institute. The model was calibrated to flow data measured between 2001 and 2002 and then updated to reflect the system in 2005. The City currently maintains and updates the model as needed. All new developments, with the exception of developments involving less than five single-family residences, may require a hydraulic analysis. The sanitary sewer system hydraulic analyses will REVIEW DRAFT - January 2009 4-24 be performed using the City's hydraulic computer model. The developer may be responsible for paying the cost of the analysis of the sanitary sewer system. If the analysis concludes improvements need to be made, the developer and the City may need to negotiate cost allocation. Table 4.6 Sanitary Sewer Design Criteria Renton Long Range Wastewater Management Plan City of Renton Sanitary Sewer Sizing: Peak Wet -Weather Flow Minimum Sewer Size: 8 inches in Diameter (6 inches for limited conditions) Pipe Materials: PVC HDPE Cement Lined Ductile Iron Reinforced Concrete Pipe Manholes: Maximum Spacing 400 feet Minimum Manhole Size 48 inches in diameter Minimum Clear Opening 23 inches in diameter Maximum Depth 20 feet (where possible) Separation From Water Mains: Horizontal Separation (Parallel) 10 feet Minimum Vertical Separation (Perpendicular) 18 inches Hydraulic Criteria: Depth to Diameter Ratio 0.85 Minimum Scouring Velocity 2 Feet Per Second Manning Roughness Coefficient PVC 0.011 Concrete 0.012 Lined DI / Cl 0.012 Vitrified Clay 0.013 Sewer Modeling 0.013 4.5.4 Lift Station Design Criteria Sewage lift stations within the City of Renton shall be designed in accordance with good engineering practice by a professional engineer using the minimum design criteria presented in REVIEW DRAFT - January 2009 4-25 Chapter C2 of the "Criteria For Sewerage Works Design," prepared by the Washington State Department of Ecology, November 2007, or any subsequent updates, and shall conform to the latest City of Renton standards and specifications. Detailed standards are included in Title 4, Chapter 6 of the City Code. Requirements relating to the design are listed below. 4.5.4.1 Pesicin Loadina for Lift Stations Lift stations shall be designed to handle the peak, wet -weather flow from the contributing area. All lift stations, except for private stations for a single family home, shall have a minimum of two pump units, each with the capacity to handle the expected maximum flow. 4.5.4.2 Design Period The design period for lift stations shall take into consideration long-term needs, replacement or expansion difficulties, service area growth rate and useful life. A lift station should have a minimum design period of twenty years for the facility and ten years for mechanical and electrical equipment. Consideration should be given to longer design periods for lift stations that are expected to serve an indefinite life. Consideration must also be given to the ability of the consumers to pay for the facilities. 4.5.4.3 Design of Lift Station Facilities Lift stations, except for private stations for a single-family home, shall be designed with a minimum of two pumps, both of which have the capacity to convey peak wastewater flow rates. If wide variations in wastewater flow rates are expected for the lift station, then consideration should be given to the use of three or more pumping units. If three pumps are used, two of them must have the capacity to convey peak wastewater flow rates. Each pump shall be capable of passing spheres of at least 3 inches in diameter. Each lift station will be provided with an on -site power backup. The City may allow the use of portable power backup for smaller stations. A lift station designed for portable power backup shall be provided with sufficient wet -well storage to allow adequate time for maintenance personnel to transport, setup, and provide the necessary backup, during a power outage. Wet - well storage will be designed on the basis of the peak, wet -weather flow. Force mains shall be sized to maintain a minimum velocity of 2 feet per second. The force main shall have a maximum velocity of 10 feet per second when all pumps are operating together. Regardless of these velocity criteria, minimum size shall be three inches in diameter. A minimum of four inches in diameter is preferable. Each lift station to be owned by the City shall have control and telemetry systems that are consistent and compatible with the current City system. REVIEW DRAFT - January 2009 4-26 4.5.5 Elimination of Lift Station Facilities Lift station facilities are typically eliminated through the development of the gravity sewer system. Highest priority should be given to elimination of lift station facilities because of their high degree of vulnerability and high operation and maintenance costs. These considerations include environmental risks, life -cycle costs, lift station impacts on downstream sanitary sewer facilities, vulnerability to vandalism, and lift station accessibility. REVIEW DRAFT - January 2009 4-27 Chapter 5 SYSTEM ANALYSIS AND RESULTS 5.1 INTRODUCTION This chapter presents a detailed analysis of all aspects of the existing system and their recommended improvements. It includes the hydraulic analysis performed using the new hydraulic model, the structural analysis of the wastewater system components and a summary of system -wide concerns. The results are summarized at the end of the chapter for each sewer basin and within the entire system (system -wide). Capacity problems are a concern in any sewer system. Capacity problems would be a result of inadequate pipe sizes or slopes. These problems can be either concerns about current lack of capacity in the sewer system or concerns about available capacity for future development. A hydraulic analysis has been performed on the Renton sewer system. This analysis did not show capacity problems in the current system. Capacity problems do occur throughout the system in various degrees at saturation build out. Much of the existing sanitary sewer system was installed during the 1940s and 1950s as a federal program to provide housing for workers at the Renton Boeing Plant. Prior to this boom, the City also had significant sewer installations in the 1920s and 1930s for the Central Business District. These sewers have reached the end of their useful life and are scheduled in the near future for replacement. This plan recommends evaluating and prioritizing the replacement of these aging sanitary sewers. Infiltration and inflow (Ill) occur in all sanitary sewer systems. Infiltration is defined as water entering the sanitary sewer system through pipes, joint connections, manhole covers, and walls_ Inflow is defined as water discharged to the sanitary sewer system through connections to roof drains, yard drains, foundation drains, and cross connections with storm sewers and combined sewers. The combination of both III often is a major portion of the total wastewater flow, which must be carried by the sanitary sewer system. 1/1 problems in an existing sanitary sewer system can be studied to determine their effect. Finding and correcting 1/1 sources can be challenging, as determining source can be evasive. Renton is participating with King County on its program to gain knowledge and experience to guide us in determining ways to deal with this issue. Combined sewers are designed to carry both stormwater and wastewater within a single system. Current codes in the City of Renton do not allow combined sewers because it causes stormwater, which is relatively clean, to be treated along with wastewater. Combined sewer systems within the City have been replaced with separate sanitary and storm sewer systems. REVIEW DRAFT - January 2009 5-1 5.1.1 Hydraulic Analysis 5.1.1.1 Model Development An updated hydraulic computer model of the City's sewer system was completed in 2006. The purpose of this model was 1) to evaluate the existing sanitary sewer system and determine areas of capacity constraint, and 2) to provide a tool for planning future improvements. The hydraulic computer model was developed using the MOUSE software program by the Danish Hydraulic Institute (DHI). The primary reason the City chose to use MOUSE was that King County used MOUSE for the Regional Ill study. It was anticipated that having the same tools available as the County would allow the City to take advantage of the County's data and provide a common basis for discussion of projects, agreements, and issues. The City will also use MOUSE as a regulatory tool to comply with potential Capacity Management Operation and Maintenance (CMOM) regulations, an electronic data base, a capital improvement planning tool, a future development tool and to assist with operational optimization challenges. Three basic kinds of data were needed for the computer model: physical data, domestic wastewater flow data, and Ili data. The physical basis for the MOUSE model was primarily the City's electronic database of sewer system that included data through the end of year 2001 to create a "2001 model." The physical system data include manholes, pipes and lift stations. The majority of the City's sewer system, as it existed, was incorporated into the hydraulic model. Clean -outs, dead-end portions of the system with missing/errant information, and some portions of private system were not included. As a result, the model of the sanitary system does not include 100 percent of the sanitary sewer system. The majority of the missing data is from the upper reaches of the system and was not included as a high priority for the hydraulic analysis. Other regional data was also obtained from King County. The 2001 model was developed simply to establish calibration parameters and calibrate the model using King County's flow monitoring data associated with three separate storm events during the 2000 to 2002 calibration period. This model was then used to create the "Ultimate" physical model. The "Ultimate" physical model includes all the significant project and modifications to the City's sewer system through the end of 2005. The model also includes other future improvements to simulate service to the future sewer service area. The calibrated Ill parameters used for the 2001 model were applied to the Ultimate model, except that III was globally increased per the King County's methodology, which assumes a 7.0 percent increase per decade to a maximum degradation of 28.0 percent for Ultimate conditions. For system improvements constructed mid-2002 or later, a global ill assignment of 1,500 gallons per acre per day was assumed. Domestic wastewater flow rates were developed differently for the two models. For the 2001 model, dry weather flows generated during the flow monitoring that occurred in REVIEW DRAFT - January 2009 5-2 2000/2001 were used. The 2030, assumed to be Ultimate conditions, future sewer system population assignments were based upon future growth projections within the established sewer service area. These were derived from the Renton Traffic Analysis Zone (RTAZ) projections, In addition to the RTAZ projections, the city provided future planning data for areas outside the current City boundaries based upon Traffic Analysis Zone data obtained from the Puget Sound Regional Council (PSRC), which was incorporated into the projections. To account for a saturation condition, a 25 percent safety factor was added to assure we provide sufficient capacity as existing interceptors are replaced. Using the tools within the hydraulic model, the flows are distributed appropriately within the system. Pump station flow was determined through a combination of telemetry data for stations with meters and engineered design flows for those without meters and then appropriately distributed by the model. This model is used by the City to evaluate changes to the existing system or additions to the system during the design phase of each sewer project. However, to increase the reliability of the model output, the City is continuously updating the physical data for the sewer system to increase accuracy in the model. The City is also working with King County as part of the ongoing ill Program and will utilize the flow information gathered by King County. The model will need to be updated as the sewer system is expanded, flow monitoring data collected, physical system data collected by survey or field inspection and as software is updated_ 5.1.1.2 Model Analysis The peak flow and capacity analysis utilized a simulated rainfall event from January 9, 1990 for the 2001 model, a peak flow analysis. It was intended to generate a minimum of 20-year design flows within the system. The selection of this storm event was based upon 60 years of rainfall data obtained from the King County model. Of all the ranked storm events during the 60-year period, the January 9, 1990 storm most consistently is ranked in within the top three events in each of the modeling basins. This analysis allowed the City the ability to determine near term capacity issues that are addressed in the first ten to fifteen years of the proposed Capital Improvement Program. It also allowed a "truth -test" to the model based upon operational and maintenance knowledge of the existing system versus results from the model. The Ultimate Model peak flow and capacity analysis used a peak 20-year event. The County identified nine different storm events that generated the 20-year peak flows for Renton's model Basins. Ratner than run the model nine separate times to capture 20-year events, four separate storm events were selected to generate the 20-year or 30-year peak flows in each of basins. This Ultimate Analysis evaluated peak flow inputs to calculate this flow as saturation. This analysis shaped the potential capital needs within the last 5-10 years of the Capital Improvement Program. REVIEW DRAFT - January 2009 5-3 Table 5.1 summarizes the ultimate peak flow at the outlet from each mini -basin and the corresponding storm events. It also lists the peak flow rates from the 2001 Model analysis for comparison. For more complete information on the development and results of the sewer model, see "City of Renton Sanitary Sewer Model Development and Analysis Summary Report - Roth Hill September 2006." Table 5.1 2001 and Ultimate Peak Flow at each Mini -basin Outlet Long -Range Wastewater Management Plan City of Renton Mini -Basin Flow Monitor 2001 Peak Flow Storm Event Ultimate Peak Flow Storm Event Number MH Number (efs) (gpm) (cfs) (gpm) 1 5319095 0.44 197.5 9-Jan-1990 0.75 336.6 4-Nov-1998 2 5319084 0.75 336.6 9-Jan-1990 1.29 579.0 4-Nov-1998 3 5320049 1.09 489.2 9-Jan-1990 1.95 8752 4-Nov-1998 4 5321024 6.47 2903.9 9-Jan-1990 7.99 3586.2 9-Jan-1990 5 RE"SRENTON.R18-15 8.34 3743.3 9-Jan-1990 10.69 4798.0 24-Nov-1990 6 5330059 1.38 619.4 9-.Jan-1990 1.68 754.0 24-Nov-1990 7 6319035 2.54 1140.0 9-Jan-1990 2.56 1149.0 4-Nov-1 8 4324017 0.29 1302 9-Jan-1990 0.51 228.9 8-Feb-1996 9 4324012 1.79 803.4 9-Jan-1990 2.19 982.9 8-Feb-1996 10 5318106 0.49 219.9 9-Jan-1 990 0.54 242.4 8-Feb-1996 11 RE"ESH R01-14 3.96 1777.4 9-Jan-1990 4.67 2096.0 8-Feb-1996 12 5318226 0.62 278.3 9-Jan-1990 0.63 282.8 8-Feb-1996 13 5319020 3.33 1494.6 9-Jan-1990 4.60 2064.6 8-Feb-1996 14 5318148 1.65 740.6 9-Jan-1990 2.20 987.4 8-Feb-1996 15 5318047 3.72 1669.7 9-Jan-1990 4.17 1871.6 8-Feb-1996 16 5318042 1.13 5072 9-Jan-1990 1.55 695.7 8-Feb-1996 17 5317033 0.30 134.6 "an-1990 0.58 260.3 24-Nov-1990 18 5317002 0.43 193.0 9-Jan-1990 3.29 1476.7 8-Feb-1996 19 4325005 0.40 179.5 9-Jan-1990 0.53 237.9 8-Feb-1996 20 5303088 0.91 408.4 9-Jan-1990 2.62 1175.9 24-Nov-1990 21 5303093 0.89 399.5 9-Jan-1990 1.21 543.1 24-Nov-1990 22 5303102 2.14 960.5 9-Jan-1990 4.21 1889.6 24-Nov-1990 23 5305041 1.09 489.2 9-Jan-1990 2.31 1036.8 9-Jan-19 24 5309169 1.15 516.2 "an-1990 1.81 812.4 8-Feb-1996 REVIEW DRAFT - January 2009 5-4 Table 5.1 2001 and Ultimate Peak Flow at each Mini -basin Outlet Long -Range Wastewater Management Plan City of Renton Mini -Basin Flow Monitor 2001 Peak Flow Storm Event Ultimate Peak Flow Storm Event 25 5316015 1.60 718.1 9-Jan-1990 2.15 965.0 24-Nov-1990 26 5316115 1.47 659.8 9-Jan-1990 3.72 1669.7 24-Nov-1990 27 5309478 0.80 359.1 9-Jan-1990 0.93 417.4 8-Feb-1996 28 4324060 0.64 287,3 9-Jan-1990 1.67 749.5 8-Feb-1996 29 5308252 0.97 435.4 9-Jan-1990 0.89 399.5 8-Feb-1996 30A 6308161 4.91 2203.8 9-Jan-1990 3.30 1481.1 8-Feb-1996 30B 5308227 3.45 1548.5 9-Jan-1990 7.76 3482.9 8-Feb-1996 32 RE*ES11.R01-32A 5.66 2540.4 9-Jan-1990 4.19 1880.6 8-Feb-1996 33 5305008 0.76 341.1 9-Jan-1990 1.75 785.5 9-Jan-1990 34 5304207 0.24 107.7 9-Jan-1990 0.47 211.0 9-Jan-1990 35 5304230 2.37 1063.7 9-Jan-1990 4.81 2158.9 24-Nov-1990 36 5309128 0.99 444.3 9-Jan-1990 1.19 534.1 8-Feb-1996 37 5309028 0.61 273.8 9-Jan-1990 0.73 327.6 8-Feb-1996 38 5309133 3.85 1728.0 9-Jan-1990 1.74 781.0 8-Feb-1996 39 5308236 4.95 2221.7 9-Jan-1990 3.17 1422.8 8-Feb-1996 40 RE*ESI4.RO2-19 0.61 273.8 9-Jan-1990 0.69 309.7 8-Feb-1996 41 5432141 1.04 466.8 9-Jan-1990 1.16 520.6 8-Feb-1996 42 5432004 1.23 552.1 9-Jan-1990 3.25 1458.7 9-Jan-1990 43 5316068 0.31 139.1 9-Jan-1990 0.57 255.8 24-Nov-1990 44 5316136 1.67 749.5 9-Jan-1990 4.31 1934.5 24-Nov-1990 45 5319027 3.92 1759.4 9-Jan-1990 6.03 2706.5 4-Nov-1998 46 RE*GEDAR1.R10-11A 17.20 7719.9 9-Jan-1990 33.52 15044. 24-Nov-1990 8 47 5317243 5.94 2666.1 9-Jan-1990 7.79 3496.4 24-Nov-1990 48 5308059 2.09 938.1 9-Jan-1990 2.47 1108.6 8-Feb-1996 49 4324044 0.45 202.0 9-Jan-1990 0.60 269.3 8-Feb-1996 50 RE*BRYNMAWR.R01 23.01 10327. 9-Jan-1990 15.99 7176.8 8-Feb-1996 -57 6 52 5308169 0.76 341.1 9-Jan-1990 0.57 255.8 8-Feb-1996 54 RE*ES12.R02-08 10.62 4766.6 9-Jan-1990 14.87 6674.1 8-Feb-1996 REVIEW DRAFT - January 2009 5-5 Table 5.1 2001 and Ultimate Peak Flow at each Mini -basin Outlet Long -Range Wastewater Management Plan City of Renton Ultimate Peak Storm Mini -Basin Flow Monitor 2001 Peak Flow Storm Event Flow Event 65 5321007 6.97 3128.4 9-Jan-1990 8.68 3895.9 9-Jan-1990 5.1.2 Structural Analysis The structural analysis is a visual inspection of the existing system either by a video camera or actual inspection during normal operations and maintenance. The Sanitary Sewer Maintenance Division owns and operates its own sewer video inspection equipment. The video equipment is programmed to be used daily_ Video inspections have been organized and documented utilizing the present system and its predecessors since 1988. The video inspection averages approximately 980 feet per day. The inspection process requires hydraulic jet cleaning of the sanitary sewer section prior to the video inspection. After completion of the video inspection, roots are cut and cracks are sealed, if necessary, before proceeding to the next section. The video inspection equipment requires two people to operate. If traffic control is necessary, two additional people are required. At the current rate, it will take four to five years to video inspect all existing sanitary sewers. It is recommended that sewers near the end of their useful life be video inspected every five years. All other sewers should be inspected every ten years. The City utilizes an off the shelf television inspection program and equipment that allows the crews to inspect the facilities, record video images, and create a database of the information obtained through the inspections. This data is stored on the computer in the inspection truck and backed up onto a computer in the office and onto DVDs. The following is a discussion of specific problems that are associated with the gravity sanitary sewer system in the City of Renton. 5.1.2.1 Aging Sewers Many of the gravity sewers within Earlington, Renton Hill, the Central Business District, and the Highlands were constructed in the 1930s and 1940s. Some as a result of housing constructed for the Boeing plant in Renton during World War 11. Many of these sewers have reached their design life expectancy (beyond 50 years). As these sewers approach the end of their useful life, increased maintenance and structural inspections should occur to locate and prevent pipe failures. The 1998 Long -Range Wastewater Management plan identified some of the older sewers and established a capital improvement program to replace and upgrade them. Primarily focused in the Highlands and Earlington Area, these replacements have been delayed, as REVIEW DRAFT - January 2009 5-6 the utility has had to focus its resources toward capacity improvement over the past eight years. 5.1.2.2 Reverse Pipes and Sags A major maintenance problem associated with sanitary sewers that are laid with a reverse slope or have sag due to improper construction or differential settlement is that they require periodic cleaning to remove debris. There are approximately 89 such sewer sections within the City. 5.1.2.3 Root Problems Tree roots cause problems in sanitary sewers by penetrating and cracking sanitary sewer pipe joints to feed on the wastewater_ Tree roots can also create blockages, resulting in backed -up sewers. The City has approximately 120 sections of pipe of various lengths which require routine root cutting maintenance to prevent wastewater backups and reduce pipe damage. The Wastewater Maintenance Section has met its goal of keeping the City's mains from being blocked by root intrusion. 5.1.3 Lift Station Analysis This plan evaluated lift stations against the standards and guidelines for construction of sewage lift stations that are detailed in Chapter C2 of the "Criteria for Sewage Works Design" manual prepared by the Washington State Department of Ecology (November 2007 or later). The design standards and guidelines for lift station location, pump sizing and selection, wet well sizing criteria, alarm system, emergency response criteria, force main criteria, lighting and ventilation are summarized in Chapter 4. These standards and guidelines have been established to ensure protection of the environment and property through design and operation of reliable sewage lift stations. Each sewage lift station was inspected for safety and accessibility, and operation and maintenance manuals for each were reviewed at the City Shops. With few exceptions, these lift stations have no major inadequacies in terms of safety or reliability. 5.2 SYSTEM -WIDE CONCERNS 5.2.1 King County -Interceptor Surcharge During peak flows, King County will use its interceptors for storage of wastewater and for controlling flows in the South Treatment Plant. This may result in surcharging of the King County interceptors. King County reserves the right to surcharge its interceptors to an elevation of 25 feet. King County has never reached this extreme; however, the City has experienced sewer surcharge problems in the low-lying areas. As a result of King County`s surcharging, it is possible that additional wastewater could overflow in low-lying areas through manhole covers and side sewer connections. REVIEW DRAFT - January 2009 5-7 King County, as part of their regional conveyance system needs report, dated December 2005, identified long-term capacity concerns within portions of the east -side interceptor in Renton. The Report identifies capacity projects to alleviate the capacity restraints. These projects are located upstream and outside of Renton's service area. The City has not designed facilities to accommodate a sewer surcharge to an elevation of 25 feet. The City's current position is that King County is responsible for providing adequate capacity within its interceptors and wastewater treatment facilities. In addition, the City considers King County to be responsible for proper effluent disposal. During the preparation of the Comprehensive Sewer Plan, no specific analysis was made of the effect of King County's surcharging on the City's sewer system. King County should continue to study and identify areas of potential risk and alternatives to mitigate this problem. King County has increased the influent and effluent capacity at South Plant and has installed parallel interceptor facilities_ This has significantly reduced the chance of surcharging but does not eliminate the problem. 5.2.2 Adjacent Utility Systems For purposes of this plan, all of the comprehensive plans for the adjacent utility systems described in Chapter 4 were examined. The hydraulic analysis utilized the projected Ultimate Peak 20-year design flows, as computed by the county. These flows were obtained from the County and assigned as constant inflow conditions. This conservative assumption contributed to surcharging and capacity issues in portions of the system. The City of Renton has several agreements with adjacent utilities that allow joint use of facilities within the City. It is important that these adjacent utilities are restricted to the volume of wastewater discharged to the joint use facilities. If capacity problems become evident, through visual inspection or flow measurements, then the City and the adjacent utility should work together to investigate the potential sources, both within the City's service area and within the adjacent utility, to correct the problem. 5.2.3 Hazard Mitigation Plan The City of Renton has developed a local Hazard Mitigation Plan in 2003 that includes actions taken to reduce or eliminate long-term risk to people and property from the affect of both natural and man-made hazards. The City is subject to a number of natural and man- made hazards that could affect the city, such as earthquakes, flooding, landslides, winter/wind storms, coal mine hazards, hazardous materials release, and terrorism/civil disturbance. The sanitary sewer system may be vulnerable to a variety of the identified hazards. The City identified goals that will guide the implementation of the Hazard Mitigation Plan and determine how to best minimize impacts of disasters. The goals include: REVIEW DRAFT - January 2009 5-8 To protect aquifers used by the City and the City water supply system from contamination by hazardous materials and other hazard effects. 2. Minimize public and private losses due to flood conditions in specific areas. 3. Minimize damage due to natural hazards. 4. Minimize impacts on critical habitats and wetlands from natural or man-made disasters. 5. Minimize the impacts of technological or man-made disasters on the City. 6. Enhance the City's capability for gathering, organizing, and displaying spatial data regarding hazards, vulnerabilities, critical facilities, and vital statistics. The City has identified several hazard mitigation projects that would benefit the city. The committee focused on measures in the areas of aquifer protection, flooding, earthquakes/landslides, and technological hazards. The measures specifically associated with the sanitary sewer system include: • Implementation and maintenance of an Aquifer Protection Program. • Re -enforce utility infrastructure and connections. • Develop objective criteria and conduct seismic preparedness and retrofit of critical facilities. • Implement slope stabilization measures in steep/unstable areas. 5.2.4 Septic Systems There are still a small percentage of developed properties within the Renton City Limits that are served by private septic systems. In addition, the developed properties within the sewer service area but outside of the city limits are primarily served by private septic systems. There are several areas that have been identified by the Seattle -King County Department of Public Health as being areas of concern. These areas are typically identified as having smaller lots, poor soils, older septic systems, and high or perched water tables. These areas, are: The majority of the area between the Renton City Limits and Skyway Water and Sewer District and north of Martin Luther Bing Way. The City has installed sewers in 80th Avenue S and S 130th Street. This is a neighborhood that has had septic tank problems and talked to the City about sewer service. The Puget Colony Homes Plat off 142nd Avenue SE (at approximately SE 134th Street). A proposed development between NE 2nd Street, SE 2nd Street, Jericho Avenue, and 142nd Ave SE will construct sanitary sewers in the vicinity of the Puget Colony Homes Plat, making it available for extension into the plat when requested by Local Improvement District (LID) or by small development extensions to existing vacant parcels_ REVIEW DRAFT - January 2009 5-9 The White Fence Ranch Plat off SE 128th Street (at approximately 156th Avenue SE). The completion of Maureen Highlands Plat has brought sewers to the west boundary of White Fence Ranch. Some minor development of existing vacant lots is providing construction of sewers in the vicinity of SE 124th Street and 155th Avenue SE. A capital project, scheduled for construction in 2008, is expected to have sanitary sewers available to this neighborhood by 2009. The Gerber's Addition Plat off 148th Avenue SE (at approximately SE 124th Street). Sewer mains have been installed in Nile Avenue NE (148th Avenue SE) and are available for extension by LID into the Gerber's Addition Plat. Sierra Heights Divisions 3 and 4 vicinity of 126th Avenue SE and SE 103rd Street. The Sierra Heights area has sanitary sewers directly adjacent to the area and a LID for extension would be immediately available if the property owners or Seattle King County Department of Public Health chose to initiate one. The Seattle -King County Department of Public Health has expressed concern about the lack of sewer service to schools on the east Renton Plateau. Renton is working with the Issaquah School District toward providing sewer service to the schools. The three Issaquah Schools as shown on Figure 4.1 (Chapter 4) are: Briarwood Elementary School 2. Liberty High School 3. Maywood Middle School The Seattle -King County Department of Public Health also identified the Lake Kathleen area, the Lake McDonald area, the Maple Hills Estates area, a couple of mobile home parks along Renton - Issaquah Road, and a small neighborhood along SE 121 st Place (off 176th Avenue SE) as places where there are also problems with septic systems. These areas are all outside of the Urban Growth Boundary (UGB). At some time in the future, the Renton Wastewater Utility, in coordination with King County, may have to take action to provide relief to these areas outside the UGB. Potential solutions may include tight --lining sewers to these areas or the development of community drainfields where feasible. 5.2.5 Wastewater Quality The quality of wastewater transported in the Renton sanitary sewer system varies considerably depending on the wastewater source, detention time within the sanitary sewer system and the volume of 111. The quality of domestic wastewater varies and is a direct result of the type of water used within the home. Some domestic sewage can be considered stronger than others can. One household appliance, the garbage disposal, can greatly impact the quality of wastewater. Most new home construction incorporates garbage disposal in its design. Use of these REVIEW DRAFT - January 2009 5-10 garbage disposals increases both suspended solids and the biochemical oxygen demand (BOD), two common results tested for when measuring contaminant concentrations. The total volume of industrial waste produced within the City of Renton is small compared with the volume of domestic wastewater. However, an industrial or commercial development can have a considerable impact on the sanitary sewer collection system immediately downstream of the facility. Industrial waste can contain high concentrations of chemicals that can make the waste highly corrosive or toxic. If discharge of an industrial waste to the sanitary sewer system creates problems, then pretreatment of the industrial waste should be considered. Several federal, state, and local regulations govern the pretreatment of industrial waste. Several industries within the City have obtained National Pollution Discharge Elimination Systems (NPDES) permits_ The most recent list of industrial discharges is provided in Table 5.2. The King County Industrial Waste Program is a state delegated authority to implement the Federal Pretreatment Program and handles the industrial waste for the City of Renton. This program administers the waste discharge permits, inspections, enforcements, compliance and collection of surcharge monitoring fees. The program also works with business to help them implement pollution prevention practices. The industrial dischargers submit monthly self monitoring reports to the King County Industrial Waste Program to confirm compliance with their NPDES permits. Additionally, King County conducts twice yearly monitoring of the discharges. Within the past five years there have been six NPDES permit violations (Table 5.2), two of the violations were for failure to report and the remaining four violations were for exceedence of Zinc limits. 5.2.6 Wastewater Quality Analysis and Recommendations A major problem associated with wastewater quality is the generation of hydrogen sulfide that occurs during wastewater transport from its source to the point of treatment. The hydrogen sulfide found in wastewater results from the anaerobic bacterial reduction of the sulfate ions that are present. Hydrogen sulfide poses three serious problems: it is highly corrosive, has an obnoxious odor, and as a gas is toxic to humans and has been known to cause death to sewer maintenance workers. The production of hydrogen sulfide is directly related to the BOD of the wastewater. Wastewater exhibiting a high BOD will tend to generate more hydrogen sulfide than wastewater exhibiting a lower BOD. Hydrogen sulfide is very corrosive to both sewers and pumping facilities. Hydrogen sulfide released from the wastewater will tend to dissolve on condensation within the crown of a sanitary sewer. The hydrogen sulfide retained in the condensation is converted to sulfuric acid through oxidation by aerobic bacteria. This sulfuric acid will react with the cement bonding material within concrete pipes, or iron within steel pipes, and can corrode a pipe to the point of structural failure. Sanitary sewer pipes are most susceptible to this type of corrosion in their crowns because that is where most condensation occurs. REVIEW DRAFT - January 2009 5-11 Aeration, periodic cleaning, and use of non -corrosive pipe materials can control effects of hydrogen sulfide. If excessive hydrogen sulfide production is evident at a lift station, aeration of the wet well should be considered to reduce the hydrogen sulfide in the wastewater and reduce the effects of anaerobic bacteria that produce the hydrogen sulfide. Periodic cleaning of the sanitary sewers will also remove the biological slime that forms on the pipe walls and produces the hydrogen sulfide. The most effective method of mitigating corrosion by hydrogen sulfide is through the use of non -corrosive pipe materials, such as polyvinyl chloride (PVC), or high -density polyethylene (HDPE). Existing pipes experiencing severe corrosion can be rehabilitated through the use of various slip form liners or fiberglass resin liners. In order to control the generation of hydrogen sulfide, the City's maintenance crews routinely flush and clean sewer pipes with inadequate slopes. In addition, all pipes are cleaned before video inspection is performed. Both of these tasks reduce biological growth on the walls of the sewer pipes and reduce the hydrogen sulfide generation potential. Table 5.2 Renton Summary of Active Industrial Waste Permits Long -Range Wastewater Management Plan City of Renton Industrial Discharger Permit Violations A. O. Smith Water Products Company • June 2003 -- Zinc monthly average self monitoring data • April 2006 -- Zinc monthly average King County monitoring data • July 2008 -- Zinc composite Alliance Packaging LLC Allpak Container Corporation • January 2003 -- Reporting violation - later report failure to file application for Discharge Authority renewal Barbee Mill Co., Inc. Bluegrass Container Company, LLC Boeing Commercial Airplane - Renton Boeing Electronics Center Bristol II at Southport Buchan Bros. Cold Standard, Inc. ConocoPhilli s Company - Renton Terminal Draper Valley Farms, Inc. • January 2006 -- Reporting violation - failure to file fourth quarter 05 self monitoring report ExxonMobil Oil Corporation G & K Services Group Health Cooperative - DSSF Kenworth Truck Company - Renton King County DOT - Renton Decant Facility • February 2003 -- Zinc Composite Landing, The Harvest Partners REVIEW DRAFT - January 2009 5-12 Table 5.2 Renton Summary of Active Industrial Waste Permits Long -Range Wastewater Management Plan City of Renton Industrial Discharger Permit Violations Orca Bay Seafoods, Inc. Renton, City of - South Lk. WA Roadway Ceccanti/Kleinfelder Sam's Club Sanctuary, The - Kleinfelder Service Linen Supply Stock Yards Meat Packing Company Stoneway Concrete - Black River Stoneway Concrete - Houser Way Stoneway Concrete - Renton Ready Mix Batch Plant Trojan Lithograph USA Petroleum Valley Medical Center WSDOT - 1405115 to SR169 Widening Notes: 1. Data provided by King County in September of 2008. Excessive 1/1 will tend to lower the BOD. This will tend to reduce the production of hydrogen sulfide and the concentration of contaminants in the wastewater. As the City works to reduce 1/I, there may be more impact by contaminants and hydrogen sulfide. The City may have to increase efforts to reduce hydrogen sulfide and be more aware of potential contaminants. 5.2.7 Infiltration and Inflow A portion of the flow in any sanitary sewer system may consist of Ill. Infiltration is attributed to groundwater entering into the sewer system and inflow is storm water flowing directly into the system as the result of a "storm incident" or illegal connections such as a direct connection of storm sewers, downspouts, or foundation drains. Infiltration can enter the system through leaking pipe joints, structural cracks, or other physical defects. Elimination of storm inflow from the system is difficult due to conflicting concerns. Sealing manhole lids and maintaining the water tightness of the lids decreases inflow, but gas, particularly hydrogen sulfide and methane, can collect in the sealed manholes. The City attempts to minimize vent holes for the system, but inflow cannot be prevented completely. During the design and construction of new main extensions, the City utilizes manhole liners and coatings as well as sealed manhole covers in wet areas. The City also performs video inspections during the wet season on all new gravity sewers to check for leaks. In December 1999 as part of the Regional Wastewater Services Plan (RWSP), the King County Council approved the development of a Regional Ill Control Program. The purpose of the program is to reduce the risk of sanitary sewer overflows and the cost of adding REVIEW DRAFT - January 2009 5-13 capacity to facilities that convey wastewater to County treatment plants. The County installed over 800 flow meters to measure flows throughout the County. The flow meters monitor depth of flow and velocity. Early flow monitoring data between late 2000 and early 2001 were considered unrepresentative because of drought conditions that lowered the groundwater table and therefore reduced Ill to the system. Consequently, King County performed additional flow monitoring from late 2001 to early 2002. This effort proved more productive as data from several storms was captured. Rainfall in the region was also monitored by King County_ The system (CALAMAR) used a combination of 73 rain gauges throughout the region, as well as the National Weather Service radar, to generate rainfall quantities to an accuracy of plus or minus 10 percent. In 2000, the County's Wastewater Treatment Division, in cooperation with the local component agencies that it serves launched an Ill Program. Ten pilot projects were selected to evaluate the effectiveness of various sewer rehabilitation technologies in reducing Ill in local agency collection systems. The completion of the ten pilot projects in January 2004 marked a major milestone in the King County study. The projects demonstrated that Ill could be effectively reduced, depending on the location and method of rehabilitation. The results of the pilot projects, along with other information, were used to prepare a long-term regional plan for reducing 1l1 in local agency systems. Old and aging sewers contribute to excessive 111 into the sanitary sewer system. In conjunction with King County's program for reducing Ill, the City identified areas of concern for investigation, additional metering, and replacement or rehabilitation of the sewers. There are certain portions of the sanitary sewer system that are known as having excessive Ill. If these systems are replaced, Ill will be reduced and King County's requirements will be met. If a system is not scheduled for replacement or a replacement is delayed, the City may have to perform interim rehabilitation to reduce Ill. The sewer model has also identified portions of the sewer system that have Ill or capacity problems that have not manifested themselves with physical signs. The City needs to perform additional metering and investigation of these areas to determine the accuracy of the model, update the model data, and determine the level of need for replacement or rehabilitation. The City will initiate an III Metering, Investigation, and Rehabilitation and Replacement of Sanitary Sewer Mains for Control program. The program will perform additional metering and investigation of the sewer system, as well as replace or rehabilitate existing sewers with 111 problems. 5.3 WASTEWATER COLLECTION BASINS The following section summarizes the deficiencies within each of the City's six wastewater collection basins based an the above hydraulic, structural, lift station, and system -wide analysis. The summary of the analysis describes the capacity and replacement deficiencies REVIEW DRAFT - January 2009 5-14 in addition to the lift station recommendations for each basin. The City's six sewer basins, as described in Chapter 2, are located on Figure 5.1. 5.3.1 West Cedar River Basin The West Cedar River Basin includes the eastern portion of the City of Renton bordering the Cedar River. This basin consists of primarily single-family and multi -family developments with some commercial and light industrial land uses. By ultimate buildout, it is estimated that the City will serve approximately 2,142 acres within this basin. This basin includes modeling basins CEDAR02 and RNT065. 5.3.1.1 Model Basin CEDAR02A Model Basin CEDAR02A is located on the north side of Cedar River. This model basin includes primarily single-family and multi -family developments. This model basin includes the Cottonwood Lift Station. This model basin currently takes significant flows from the East Cedar River Basin via the East Renton Lift Station. The model identifies potential moderate capacity issues between manholes 5317-185 and R10-05A, primarily affected by backwater from King County. Upstream from this issue, the model also identifies potential severe capacity issues between manholes 5308-341 and 5317-185 (with one manhole within 0.5 feet of overtopping) and potential minor capacity issues between manholes 5317-037 and 5317-185. Both of these situations would be affected by backwater from the downstream capacity problem. The City will monitor these areas to determine if evaluation is needed. The existing sewers in the Maplewood Division I and Division II plats were constructed in 1963. They are reaching the end of their useful life and should be scheduled for replacement. The model identifies a moderate backwater surcharge from King County between manholes 5316-015 and R10-26A. The system consists of approximately 2,000 lineal feet of existing 8, 12, and 15-inch concrete gravity sewer. The existing sewers in Windsor Hills are approximately 55 years old. Large portions of these sewers are 6-inch pipes, which do not meet current standards for minimum size for mains. Part of these sewers is within Zone 2 of the Aquifer Protection Area. The model identifies a potential severe capacity issue between manholes 5308-009 and 5308-026, REVIEW DRAFT - January 2009 5-15 xl! " r r I MAY-': t R� LLEIY t` J. i i :` ► ASItj r M., 1. w.- • r t�* �I 4.1 f M Z. WAPHINpTo j 7 .w T!4 T i ! � M: -—•-..... ,� - r r 'i, '� � 1 ! J. R T ,��V I�I w -,l y I 5i�- C ! .. '\ °• 'ti. f.1 Mix ! .1� � i'!. Y 'f""_,-yam 14 y � ti,*-. 3�i} 1w•- � , -� : `+� t I 7 el! 7 * i i ., 17 7 ,x :" w�._..+�'. I .: 'uF �i tic f B`51N° �. CEDAR, 7 �,- ► �`,,,�T `.'j l ` �- �` �'�S�I�N „ EAsT CEDAR RIVER BASIN 1 i W' 1� � 1� 1I� �! Ii- ,lk. �� A r�� �� ♦- a �--'_,.y 'x.. - � .,� I'. � �., 1 i � � 1 I�! Ilk, , � w � 1 •..^�' +sue BLACK ' BASIN P I r w�.. � •� ' � • I T ?rir� �... �'. � R� ],t �r,s+r' .i�y4 � s� ! _. 1j ~' i 3 i ,„,--.eira it ..s _ i.se+re-,i , r • r �i� , P, »„� ICI �I!. �. yr»r � .._ f � �, S+�', �. I IJ r w. r i I xi To. 0 2,000 4,000 FIGURE 5.1 Feet CITY OF RENTON 1:24,Ofl0 LONG-RANGE WASTEWATER — l MPl!!I Bai{M �l � ,�,� �,� 80"r�dRy Ri7T630 RN7P85 `EOARU?A R37T635 suvriia, MANAGEMENT PLAN i� ESI760.'S C(, V o Bavin 6oixKades - � _ RM042 SRFJJT002 WASTEWATER COLLECTION PJV045 ,,.B,s;M e RNT02'S BASINS AND METERING BASINS + + RWO54 t us -IR � '_ rf JANUARY 2008 with one manhole possibly overtopping. The City should schedule the replacement/rehabilitation of approximately 7,900 lineal feet of existing 6 and 8-inch gravity sewer in the Windsor Hills Neighborhood. The existing Heather Downs Interceptor has seen significant increased flows due to new development on a portion of the East Renton Plateau. Some flows directed to this interceptor was intended to be routed to the East Renton Interceptor. The model identifies three runs (5316-033 to 5316-037 - Moderate/Severe, 5316-038 to 5316-015 - Severe, and 5315-062 to 5315-001 - Moderate) within the Heather Downs Interceptor that have potential capacity issues. A section of the Heather Downs Interceptor was constructed on a very steep slope (approximately 65 percent slope). The sewer section in question is located along a power line easement near the plat of Maplewood_ The interceptor was constructed using 10-inch PVC sewer pipe with concrete collars to stabilize the pipe on the steep slope. The City should video inspect this sewer to examine the internal integrity and to locate any pipe or manhole movement_ If a problem is found, a geotechnical consultant could examine the steep slope for stability and the potential of soil shifting. This information will help determine the need for construction of an interceptor in a new alignment. A study needs to be performed to determine which portions of the system need to be upsized. The system consists of approximately 9,100 linear feet of 8, 10, 12, and 15-inch mains. There is a stretch of Union Avenue NE, between NE 2nd Street and NE 6th Place that does not have a sewer main installed. There are three sections of sewer in this stretch that need to be installed to provide service to properties in this area that are undeveloped or on septic tank. The Cottonwood Lift Station was reconstructed in its entirety in 1994. This is a permanent station. The expected life of a sewage pump station is 25 years. Cottonwood will be 25 years old in 2019. Renton should plan to rehabilitate the station in 2019. 5.3.1.2 Model Basin RNT065 Model Basin RNT065 is located on the south side of Cedar River. This model basin includes primarily single-family and multi -family developments. This model basin includes two lift stations: the Falcon Ridge Lift Station and the Kensington Lift Station. In addition, this model basin receives wastewater from the Soos Creek Water and Sewer District. The Cascade Interceptor is a joint use facility between the City of Renton and the Soos Creek Water and Sewer District (formerly Cascade Sewer District). The gravity interceptor is currently not experiencing capacity problems, and King County's inverted siphon crossing the Cedar River was replaced by a new inverted siphon which is sized to accommodate these peak flows. The majority of the wastewater in this interceptor originates in the Soos Creek system, including Soos Creeks Lift Station No. 5. According to the Soos Creek Comprehensive REVIEW DRAFT - January 2009 5-17 Sewer Plan, Lift Station No. 5 is considered to be a permanent facility that serves a large basin. As development of this basin proceeds, increased pumping from the lift station may cause capacity problems in the joint use facility. Monitoring of the flows needs to continue, in order to minimize risk. The model identified a potential surcharge of approximately 2 feet between manholes 5321-118 and 5321-016. This is due to the constant peak inflow assumption from the Soos Creek sewer system in the hydraulic model. The City will visually monitor this area to determine if modeled conditions match field conditions. The Falcon Ridge Lift Station was built in 1981. The expected life of a sewage pump station is 25 years. Falcon Ridge will be 25 years old in 2006. As part of an overall review of lift stations for prioritization of upgrades or rehabilitation Falcon Ridge has been scheduled for replacement or rehabilitation in 2010. 5.3.2 East Cedar River Basin The East Cedar River Basin is located at the east side of Renton's sanitary sewer service area. The basin extends from approximately Bremerton Avenue NE to the Urban Growth Boundary east of the City. The majority of this basin is currently unsewered and consists of primarily single-family land uses. By ultimate buildout, it is estimated that the City would serve approximately 2,105 acres. A significant portion of this basin is already developed with subdivision. The majority of these developments are on private septic systems. Problems with some of the existing septic systems, the needs of the schools in the area, the lack of ability to develop existing platted lots on septic systems, and the desire by some to develop some of the larger tracts in the area highlight the need for sanitary sewers in this basin. The basin can be partially served by gravity through the East Renton Interceptor. Service of the central portion of the East Cedar River Basin will require an interceptor or conveyance facility to move the sewage from the sub -basin to the King County system. The first phase of this interceptor was constructed as part of the King County Elliott Bridge Construction Project that was completed in 2005. There is approximately 5,000 additional feet of 12, 15, and 18-inch sewer necessary to provide service to this basin. Service of the eastern portion of the East Cedar River Basin will require an interceptor or conveyance facility to move the sewage from the sub -basin to the King County system. The potential exists for a gravity route projecting south from 180th Avenue South. The completion of the East Renton Interceptor in 1994 allows for the extension of collection mains into the East Cedar River Basin. This basin has seen the most significant amount of improvement since the 1998 Long Range Wastewater Management Plan. Construction of the remaining collection system will be through LID or developer extension. There is approximately 220,000 feet of collection sewer necessary to provide service to this basin, There are also some facilities proposed in the basin that, while acting as local collector REVIEW DRAFT - January 2009 5-18 facilities, may need to be larger for conveyance purposes. While the City typically participates in the `oversizing' costs of these lines this plan is not programming any CIP dollars for this project. Service of the Central Plateau area will require an interceptor or conveyance facility to move the sewage from this area to the King County system. The first phase of this interceptor was constructed as part of the King County Elliott Bridge Construction Project that was completed in 2005. Phase 2 began construction in 2007 with completion anticipated for mid 2008. Service of the East Plateau area will require an interceptor or conveyance facility to move the sewage from this area to the King County system. The potential exists for a gravity route projecting south from 180th Avenue S. This and other gravity routes may be considered. There would be concerns about working in and around the Cedar River to cross to the Maple Valley Highway. Alternate methods of pipe installation, such as boring or micro tunneling may mitigate impacts involved with a river crossing. A gravity alternative would also be dependent upon a facility to move the flows from the discharge point of this trunk at approximately 177th to the existing King County Cedar River Trunk at 154th. For alternative consideration, a pump station that would move the flows to Model Basin CEDAR02A could be built in lieu of the East Plateau Interceptor. Both the East Renton Interceptor and the Central Plateau Interceptor are planned for this contingency. There is approximately 9,300 feet of 18-inch sewer necessary to provide service to this basin under the gravity alternative. The Evendell Lift Station can be abandoned when the gravity sewer system is constructed in 160th Avenue SE and the sewers serving south of SE 136th Street can be connected. The construction of the Central plateau interceptor allows for the connection and activation of the dry sewers in the Briar Hills Neighborhood. The Highland Estates Lift Station can be abandoned with a short extension of gravity service. The East Renton Lift Station can also be abandoned by extending the sewer north from158th Place SE and SE 138th Place, approximately 900 feet. 5.3.3 East Lake Washington Basin The East Lake Washington Basin is located in the northern part of the City and includes Model Basins RNT023, RNT030, RNT035, and RNT054. The City serves this entire basin, which consists of a variety of land uses including single-family and multi -family residential, and light commercial. By buiidout it is estimated that the developed area of the basin would be 3,104 acres. The wastewater collected in this basin is transported to King County's East Side Interceptor at several connection points. The installation, in 1997, of the Sunset Interceptor allowed for the removal of the Sunset Lift Station. This interceptor was designed and installed by the City, with King County's REVIEW DRAFT - January 2009 5-19 support, to relieve capacity concerns created by the County's delay in constructing the May Valley Interceptor. The Devil's Elbow Lift Station was rehabilitated in 1991, to provide reliability to the station and stabilize the location of the force main. The installation of the Sunset Interceptor removed the peek overflows, from the Sunset Lift Station, that used to flow to the Devil's Elbow Lift Station. 5.3.3.1 Model Basin RNT023 Model Basin RNT023 includes primarily single-family and multi -family developments. The sewers in this model basin are in good condition. As this basin becomes fully developed, the flows will cause a capacity concern along Lake Washington. This model basin includes the Devil's Elbow Lift Station. The sewer main in North 28th Place does, however, accept upstream flows from upstream areas. Modeling of this basin projects that this main does not have the capacity to handle full development of this model basin. The model projects potential surcharging of about three feet between manholes 5432-120 and 5432-118. The model identified a potential minor surcharging problem between manholes 5305-019 and 5305-041, due to a capacity issue. The Wastewater Utility should monitor the capacity of this line and program to upsize the mains. Parts of Sierra Heights have not had sewers installed. A large portion of this area has been declared an area of concern due to the potential of failure the King County Health Department has seen in the septic systems in the area. The majority of the unserved area is not currently within the Renton City Limits. Construction of sanitary sewers in the developed areas will allow transfer of residential sewer disposal from private septic systems to a public sewer system. In early 1997, the sanitary sewer main in the 2900 block of Lake Washington Blvd. N was damaged by private construction. The sewer main was patched and put back into service. The repair is temporary in nature as it creates a reduction in capacity, impacts flow characteristics, and prevents proper cleaning. To properly re-establish the sewer system in the area the City needs to replace and relocate approximately 300 feet of sewer main. 5.3.3.2 Model Basin RNT030 Model Basin RNT030 includes primarily single-family and multi -family developments as well as the Highlands Commercial Center. This model basin includes the Westview Lift Station. This basin includes both residential and commercial developments. A major portion of the sanitary sewer system in the North Highlands area and South Highlands area were constructed during World War 11. These older sewer systems are near the end of their useful life and require increased maintenance. The sewers in this model basin are on the REVIEW DRAFT - January 2009 5-20 City's list of highest priority sewers for evaluation of replacement. A major portion of the sanitary sewer system in the Presidents Park area is over 40 years old_ Investigation of the old concrete mains finds the lines in moderate shape with some localized structural problems and some 1/I. The model identified a potential severe pipe capacity issue between manholes 5309-439 and 5309-052 largely due to a flat sewers main. There is a projected surcharge of up to four feet during normal flows with the potential to overtop one manhole. The City should provide some spot repairs or rehabilitation to extend the useful life of the entire system. This area should be monitored for scheduling of replacement of the sewers. The existing collection system within the North Highland area was constructed in the early 1940s and is comprised of 8, 10, and 12-inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failures occur. Within this North Highlands area, the model identified a moderate to severe pipe capacity issue between manholes 5309-011 to 5309-131. The model also projects that these capacity issues would cause a moderate backwater problem between manholes 5304-066 and 5309-011, which also has its own minor capacity issue. A potential severe pipe capacity issue is identified by the model between manholes 5309-024 and 5308-069. The model projects the possibility of one manhole overtopping. This project involves the replacement of approximately 56,800 lineal feet of existing gravity sewer between NE 7th Street, NE 21st Street, Aberdeen Avenue NE, and Queen Avenue NE. The existing collection system within the South Highland area was constructed in the early 1940s and is comprised of 8-inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failures occur. This project involves the replacement of approximately 13,700 lineal feet of existing gravity sewer between NE 3rd Street, NE 7th Street, Monroe Avenue NE, and Sunset Boulevard NE. The existing collection system within the Westerly Portion of the Presidents Park area was constructed in the early 1940s and is comprised of 8 and 10-inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failures occur. This project involves the replacement of approximately 10,000 lineal feet of existing gravity sewer between NE 6th Street, NE 10th Street, Monroe Avenue NE, and Harrington Avenue NE. The existing collection system within the Easterly Portion of the Presidents Park area was constructed in the Early 1950's and is comprised of 8-inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failures occur. This project involves the replacement of approximately 32,000 lineal feet of existing gravity sewer between NE 6th Street, NE 10th Street, Monroe Avenue NE, and Harrington Avenue NE. REVIEW DRAFT - January 2009 5-21 The Westview, Lift Station was constructed in 1996. Lift stations have an anticipated life of 25 years. This station has shown excessive wear and has reliability issues. It is schedule for replacement ahead of the 25-year time frame. 5.3.3.3 Model Basin RNT035 Model Basin RNT035 includes primarily single-family and multi -family developments as well as the portion of the Sunset commercial corridor east of Union Ave NE. This model basin includes the Long, Summerwind, Stonegate, and Wedgewood Lift Stations. The completion of the Sunset Interceptor and elimination of the Sunset Lift Station in 1997 removed many major capacity concerns. The majority of the sewers in this sunset area are around thirty years old. Stonegate serves single-family residential properties. The sewers in this area are newer with the oldest being approximately ten years old. It naturally flows toward May Valley. It is not anticipated that the May Valley Interceptor will be constructed within the six -year time frame of this plan. The model identifies a potential moderate to severe pipe capacity issue between manholes 5303-011 and 5303-069. The hydraulic grade line in MH 5319-057 comes within 3 feet of the surface. The City will monitor this area to determine if additional analysis is needed. The existing concrete gravity sewers in the Honeydew area are approximately 35 years old and have experienced severe corrosion. The City did some spot rehabilitation in this area to resolve III problems. Those pipe runs may not need to be replaced. The rest of the system, however, is structurally compromised. The City will be looking at the replacement of approximately 7,100 lineal feet of existing 8-inch gravity sewer between NE 10th Street, Sunset Boulevard, Union Avenue NE, and Hoquiam Avenue NE. The existing downstream system, from NE 10th at Field Avenue NE to the Sunset Interceptor has insufficient capacity to accommodate future development flows from this portion of the system. The new interceptor would require 1950 linear feet of 12-inch sewer to connect to re-route flows to the East Renton System at Duvall Avenue NE and NE 8th Street. The Summerwind Lift Station is reaching the end of it's useful life. The Stonegate Lift Station is undersized to meet the build out needs of this area_ The capacity of the sanitary sewer system in Duvall Avenue NE and NE Sunset Boulevard is also insufficient for build out needs of the area. Abandon Summerwind Lift Station and divert flows into Stonegate Lift Station. Construct a new Stonegate Lift Station with sufficient capacity to meet build out needs for both areas Construct new 8-inch force main to route flows to Field Avenue NE and gravity sewer main in Field Avenue NE and NE Sunset Boulevard. The Long Lift Station was built in 2001. The expected life of a sewage pump station is 25 years. The Long Lift Station will be 25 years old in 2026. The City should plan to rehabilitate the station in 2026. REVIEW DRAFT - January 2009 5-22 5.3.3.4 Model Basin RNT054 Model Basin RNT054 includes primarily single-family and multi -family developments along Lake Washington and the Boeing redevelopment area located on the south end of Lake Washington. The sewers in this area are approximately thirty years old. There are not any projected capacity concerns within this model basin. This model basin includes the Lake Washington Beach, Lake Washington Flush, and Lake Washington No. 2 Lift Stations. The Kennydale Lakefront sanitary sewer collection system is a low-pressure, force main. Water from Lake Washington is pumped periodically into the force main through the Lake Washington flush station. Lake water and the sewage is discharged from this low-pressure force main into the Lake Washington No. 2 Lift Station, where it is then pumped into the King County East Side Interceptor. The original force main was installed in 1972 and has a history of various problems and requires considerable maintenance_ In 2003 the City installed three manholes over the Lakefront Sewer line located in Lake Washington. These manholes were installed to provide additional access for cleaning the sewer main of the solids that accumulate in the numerous bellies due to its location along the bottom of the lake. At the time of this construction, the line was thoroughly cleaned. The Kennydale Lakefront sewer system has several undesirable operating characteristics. First, this low-pressure sewer main requires a considerable amount of maintenance, which is made more difficult due to its location along the lakefront. Second, it uses a flush station which pumps water from Lake Washington in order to flush wastewater to the Lake Washington No. 2 Lift Station. In 2002/2003, the City performed a study to determine condition of the existing system and evaluate alternatives for replacement. The study recommended interim repairs and additional maintenance access points. Testing of the main for condition showed that it had potentially 20 to 30 years of additional life. Examine and evaluate system operation in this area and determine if replacement is warranted. The model identified a potential severe pipe capacity issue between manholes 5431-009 and 5432-141. The hydraulic grade line in MH 5431-007-007 comes within 0.5 feet of surface. The City will continue to monitor this area. The Lake Washington Beach Lift Station was constructed in 1968. This is a permanent station. The expected life of a sewage pump station is 25 years. While Lake Washington Beach is over 25 years old, it only receives seasonal usage from Coulon Beach Park and thus will last longer than 25 years. Renton should plan to rehabilitate the station in 2012 when the station is 44 years old. The Lake Washington No. 2 Lift Station was rebuilt from scratch in 1994. This is a permanent station. The expected life of a sewage pump station is 25 years. Lake Washington No. 2 will be 25 years old in 2019. Renton should plan to rehabilitate the station in 2019. REVIEW DRAFT - January 2009 5-23 5.3.4 Black River Basin The Black River Basin is a large drainage basin in the southwest part of the City and includes the Model Basins RNT045 primarily single-family and multi -family developments in the uplands and the Renton Village commercial area by 1-405, SINT001 primarily light industry, warehousing and commercial, and SRENT002 primarily residential use, including both single-family and multi -family developments, and the commercial developments at and around Valley Medical Center. 5.3.4.1 Model Basin RNT045 Model Basin RNT045 includes primarily single-family and multi -family developments in the uplands and the Renton Village commercial area by 1-405. The higher elevations in the Rolling Hills, Talbot Hill, and Panther Creek areas are generally single-family and multi- family residential developments, while the valley floor is generally industrial and commercial land uses. A large portion of the basin, south and west of SINT001 model basin were un- modeled. The model identified a potential pipe capacity issue between manholes 5319-085 and 5319-071 with the prospect of one manhole overtopping. The existing collection system within the Talbot Hills area was constructed in 1960 and is comprised of 8 and 10-inch concrete sewers, which will be approaching the end of their useful life and need to be replaced before structural failures occur. This project involves replacement of approximately 18,200 lineal feet of existing gravity sewer between Lake Avenue S, S 14th Street, State Route 515, and S 23rd Street. The Thunderhill Interceptor was installed in 1964 and is comprised of 10, 12, and 18-inch concrete sewers, which will be approaching the end of their useful life and need to be replaced before structural failures occur. The model identifies a potential Minor to Moderate pipe capacity issue between manhole 5319-046 and 5319-026. This project involves replacement of approximately 11,000 lineal feet of existing gravity sewer. The Benson Road Interceptor was installed in 1962 and is comprised of 8-inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failures occur. This project involves replacement of approximately 5,500 lineal feet of existing gravity sewer. 5.3.4.2 Model Basin SlINT001 Model Basin SINT001 includes most of the area south of Interstate 405, north of SW 34th Street, east of East Valley Road, and west of Oakesdale Avenue SW. This area is primarily light industry, warehousing and commercial. The flexibility of uses allowed in the zoning of the area may lead to increased demands on the existing sewer systems. Consequently, the City should periodically re-examine wastewater flow rates in order to better evaluate sanitary sewer needs. This model basin includes the Lind Avenue Lift Station. REVIEW DRAFT - January 2009 5-24 The Lind Avenue Lift Station was constructed in 1978. The station was rebuilt as part of a local improvement district in 1983. The expected life of a sewage pump station is 25 years. Lind Avenue will be 25 years old in 2008. This station is considered a permanent lift station, which will serve existing and future commercial developments within a major portion of the Renton Industrial area. It does not meet current design codes because it lacks full redundancy of its vacuum priming system. If the vacuum priming system were to fail, the lift station would not operate. In addition, the above grade electrical structures have experienced vandalism. The lift station requires rehabilitation and major modifications to improve reliability and in order to be upgraded to a permanent lift station. This station is currently scheduled to rehabilitate replaced in 2012. 5.3.4.3 Model Basin SRENT002 Model Basin SRENT002 is the majority of the area south of SW 23rd Street between SR- 167 and the eastern City Limits. This area is primarily residential use, including both single- family and multi -family developments, and the commercial developments at and around Valley Medical Center. This model basin includes the Talbot Crest Lift Station. Renton obtained the sewer mains that allow the City to serve most of this area in the 1991 interlocal agreement with Soos Creek Water and Sewer District. This agreement defines service area boundaries and results in joint use of the Springbrook Interceptor, which serves the Springbrook area. Renton is responsible for the portion of the Interceptor within City Limits and Soos Creek is responsible for the portion of the Interceptor outside of the City. The Talbot Road Interceptor is the only line that has capacity concerns in this model basin. This interceptor, which serves a majority of the model basins, may be undersized to service this area. As the area develops, the City should continue to monitor this interceptor for capacity and need to upsize. Additionally in the future, capacity constraints in the Springbrook interceptor may become a concern. The 1991 agreement identifies capacity limits for both Renton and Soos Creek. Based upon these limits, the agency that is over capacity is responsible for improvements to provide the additional capacity. Based on the modeling effort, the analysis identified a potential pipe capacity issue in the South Talbot Interceptor, between manholes 5331-142 and R18-17. The capacity restraints are because of the relatively flat slope of the sewer and a minor backwater effect from King County's sewer. Five manholes in this run are projected with the possibility of overflowing. The model has identified two other runs connecting to this interceptor with capacity issues that are affected by backwater from this run. The run between manholes 5331-109 and 5331-182 projects with a moderate capacity issue. The run between manholes 5331-086 to 5331-025 projects to have a severe capacity issue with the potential of five manholes overtopping. The model also identified a potential pipe capacity issue between manholes 5331-056 and R18-25 with the possibility of one manhole overtopping. These areas will be monitored by City Staff. REVIEW DRAFT - January 2009 5-25 The existing Talbot Road Interceptor is potentially undersized to serve this basin. These existing 8-inch sanitary sewers may need to be replaced with 12-inch pipe. This project involves the analysis approximately 4,000 lineal feet of existing gravity sewer. The model identifies a potential severe pipe capacity issue between manholes 5330-109 and SR18-19, with six manholes possibly overtopping. The Talbot Crest Lift Station, which serves a residential development along Talbot Crest Drive, was replaced in 2001. Expected life of a sanitary sewer lift station is 25 years. As such, this station should be scheduled for rehabilitation in 2026. 5.3.4.4 Unmodeled Areas A large portion of the south and west portions of the valley floor is considered un-modeled. The City did not have individual meters in this area so the model was constructed using interpolated data from King County. This area is only a small portion of the King County metered basin and the results are showing themselves to be suspect. The City needs to obtain its own meter data for this area. This model basin includes the East Valley Lift Station. The existing SW 34th Street Interceptor is identified by the model as having severe pipe capacity issues between manholes 5330-037 and 5330-027 with intermittent surcharging up to four feet during normal flows and the potential for overtopping in six manholes. Part of the problem identified by the model is that the East Valley Lift Station is not keeping up with peak flows and backwater is affecting upstream conditions. Overtopping in six manholes. The City has not seen indication of a problem in this interceptor and is questioning the data. The City should perform an analysis of the approximate 3,500 lineal feet of existing fl- inch gravity sewer to determine if it is undersized to accommodate the area that can be potentially served with this interceptor. There are also several other areas that the model identified as having potential capacity problems. The City will monitor these areas to determine if future evaluation is needed. • A potential severe pipe capacity issue, between manholes 4325-037 and R18A-17 with one manhole possibly overtopping. • The model identifies potential large-scale pipe capacity issues between manholes 4336-001 and R18-17 with minor influence by backwater from King County. • Possible overtopping in twelve manholes. • Capacity issues between manholes 4325-038 and 4336-006 as a result of backwater. • Intermittent surcharging up to four feet between manholes 5330-037 to 5330-027 during normal flows. REVIEW DRAFT - January 2009 5-26 Potential backwater effects from King County between manholes 5330-040 and R18- 11. The model indicates that the backwater capacity conditions in this section as influenced by lift station flows may cause three manholes to overtop. • Potential backwater and pipe capacity issues between manholes 5331-063 and R18- 05 and manholes overtopping between 5330-045 and 5330L19 due to the lift station not keeping up with incoming flows. It is important to note that the City has not experienced any overflows or high flow situations at any of these locations. Further analysis and potential additional flow monitoring may be required to better qualify these results. 5.3.5 Downtown Basin The Downtown Basin is located in the northwest part of the City and includes the Central Business District, West Hill and North Renton Industrial areas. The entire basin is model basin ES11003. Land use within this basin consists of single-family, multi -family, commercial, and heavy industrial land uses. This model basin includes the Airport and Earlington Lift Stations. Skyway Water and Sewer District also provides sewer service to parts of the West Hill that are within this basin. The model identified potential capacity issues between manholes 5317-169 and 5318-115 due to relatively shallow slopes. There is a potential of four manholes overtopping. The model also indicates that this capacity issue may cause potential backwater situation between manholes 5317-205 and 5317-150 with the potential of three manholes overtopping. Additionally, the analysis identified potential severe capacity issues between manholes 5318-137 and 5318-148. No improvements are proposed for these areas, however they will be monitored by City Staff and evaluated as data is collected. The existing collection system in the Earlington Hill area was constructed in the early 1950's and is comprised of 6 and 8-inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failures occur. The hydraulic analysis identifies potential minor pipe capacity issue between manholes 4313-109 and 5318-258. The model also identifies a potential moderate pipe capacity issue between manholes 5318-137 and 5318-148_ Potential backwater affects from downstream influence the latter issue. This project involves the replacement of approximately 19,200 lineal feet of existing gravity sewer. The existing collection system within the Renton Hill area was constructed between 1947 and 1949 and is comprised of 6 and 8-inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failure occurs_ This project involves replacement of approximately 15,000 lineal feet of existing gravity sewer. While the city has replaced a large quantity of the existing sewers in the Central Business District, there is still approximately 11,000 lineal feet of sewers that are old and in poor REVIEW DRAFT - January 2009 5-27 condition. The model identifies potential surcharging of less than 0.5 feet between manholes 5317-085 and 5317-086 during normal service and potential severe capacity issues between manholes 5317-089 and R01-21 during peak storm flows. Replacement of these sanitary sewer pipelines would improve sewer service to this area. The existing collection system on the West Hill (between NW 2nd, NW 7th, Rainier, and 84th Ave) was constructed in 1962 and is comprised of 6 and 8-inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failures occur. The hydraulic analysis identifies potential severe pipe capacity issues between manholes 5318-013 and 5318-040 with the potential of one manhole overtopping. This project involves the replacement of approximately 25,000 lineal feet of existing gravity sewer. The majority of the existing gravity sewers between N 6th Street, N 4th Street, Wells Avenue N, and Park Avenue N are old and deteriorating. Further, these sewers were constructed with an inadequate slope that does not allow self -flushing of the sewer lines. Consequently, maintenance crews are required to flush these sewer lines approximately once a month. In addition, their condition has deteriorated and requires replacements. Interim repairs were made to these mains in the late 1990's. Replacement of approximately 3,100 lineal feet of existing 8-inch gravity sewer in this area is proposed. The North Renton Interceptor flows were reduced as part of the diversion through the Sunset Interceptor Phase II project completed in 2005. In addition, flows south of N 8th Street are being re-routed into a New 15-inch main being constructed in N 8th from Garden to Logan with a new connection to King County's East Side Interceptor. The City needs to evaluate the old interceptor line for rehabilitation, downsizing, and partial elimination. The sanitary sewer flows from the south east portion of this basin have been redirected to connect to King County's East Side Interceptor in S 7th Street. This has left low flows in the old 24-inch sewer pipe in Shattuck Avenue between S 4th Street and South 2nd Street. The reduced flows have resulted in septic conditions in the old pipe that require frequent flushing by maintenance crews. The City needs to replace and downsize 1,000 linear feet of 24-inch sewer main in Shattuck to 8 or 12-inch. Most of the Earlington area north of S 134th Street is currently unsewered. After construction of the Earlington Interceptor or replacement of the Earlington Lift Station, a collection system to serve this area may be completed. Existing businesses within Renton Center, fronting Rainier, contribute significant grease to the downstream sanitary sewer system causing backups and overflows. Replacement of the non-standard private sewer system with a City sewer main will allow the City to install testing stations to determine grease offenders. The new main would consist of approximately 800 linear feet of 8-inch sewer. REVIEW DRAFT - January 2009 5-28 The Earlington Lift Station currently serves the Black River High School near the intersection of S 132nd Street and S Langston Street. This lift station does not have the capacity to provide service for its projected area. The elimination of this lift station is possible since the completion of the sanitary sewer facilities for the Earlington Ridge Plat_ The Airport Lift Station was rebuilt from scratch in 1986. This is a permanent station. The expected life of a sewage pump station is 25 years. Airport will be 25 years old in 2011 and should be rehabilitated. 5.3.6 May Creek Basin The May Creek Basin is located in the northeast part of the City and is located on the periphery of the City's current service boundary. The portion of this basin within Renton's service area is currently only about half sewered. The remainder of the basin is within Coal Creek Utility District's service area. The City serves approximately 130 acres of this basin, which consists of primarily single-family and light commercial land uses. The ultimate sewerage of the southwest (City's) portion of the basin that is east of the freeway will be through the extension and completion of an interceptor to the south. Said interceptor to serve that portion of the basin would be mostly constructed in existing roads. It is not expected that the City would be considering extension of this sewer in the near future. There are large tracts of land within this area that are owned by Renton and/or King County as parkland. In addition, the properties between Jones Avenue and the freeway and the properties south of NE 36th Street that are within Renton's service area are zoned for such low density that any construction of the sewers may not be cost effective for possible development. The hydraulic analysis identifies potential severe problems in the Renton -Coal Creek Interceptor (Manholes 5429-024 to 5432-004)_ The ultimate model shows that this interceptor could potentially be within 0.5 feet of overtopping. The model identifies the problem as being caused by peak inflow assumptions from Coal Creek Utility District as part of the model. City crews will field verify model assumptions. At this time, the following three lift stations serve low lying areas along Lake Washington in this basin. Misty Cove, Baxter and Denny's Lift Stations. Because the Devil's Elbow Lift Station discharges into the East Lake Washington Basin, the Model Basin RNT035 is considered part of that major basin and it will be addressed in that section. Misty Cove Lift Station currently pumps into the Baxter Lift Station which pumps into the King County Sewer. The City should investigate pumping each station independently to the King County sewer. Misty Cove should be rehabilitated to ensure safe operation. Redevelopment in this basin is another factor driving the need to replace or rehabilitate these stations. It is anticipated that Baxter will be replaced as part of the redevelopment of the area, with the City covering costs for oversizing. REVIEW DRAFT - January 2009 5-29 The Denny's Lift Station was built in 1983. This is a permanent station. The expected life of a sewage pump station is 25 years. The Denny's Lift Station will be 25 years old in 2008 and should be rehabilitated. REVIEW DRAFT - January 2009 5-30 Chapter 6 RECOMMENDED IMPROVEMENTS 6.1 INTRODUCTION This chapter presents the proposed improvements to the Renton sewer system that are necessary to correct existing deficiencies, replace existing deteriorated facilities and accommodate growth through the planning horizon. The costs of the improvements and a schedule for implementing them are also included. A thorough analysis of the sewer system was prepared to identify the improvements recommended in this Comprehensive Plan The recommended improvements identified in the Proposed Capital Improvement Plan in this Chapter are to be used as a guideline in preparing the capital improvements project list during each yearly budget process. This plan is deliberately intended to be flexible by allowing incorporation of necessary changes that might arise. Many of the proposed improvements are considered to be preventive in nature, i.e., the improvement is intended to happen before a specific facility has failed, a far more desirable process than trying to replace facilities after they fail. Since it is impossible to estimate when a facility will fail, the process of identifying those facilities that are at risk and planning corrective measures must continue. Additionally, as growth and land use patterns change during the planning period, the City will continue to evaluate the system. Future development may impact the size and timing of the proposed improvements_ The City may recommend program modifications to best meet the needs of the wastewater utility system. 6.2 CIP RANKINGS The complexity of the City's wastewater utility system requires a method that systematically determines which improvements should be undertaken sooner than others. To assign rankings to the planned improvements, each one was analyzed according to these general categories. Substandard Facility, System Efficiency, and Environmental Protection. Substandard Facilities evaluate hydraulic capacity or structural problems, System Efficiency improves operational conditions and Environmental protection meets regulatory criteria. For consistency in Capital Improvement Program (CIP) development and ranking, these are the same categories used during the 1998 Long Range Wastewater Management Plan. Each category was further divided into four or more kinds of improvements or standards. Each of these sub -categories was assigned a number of points, with the rule that no one improvement could be given more than eight points in any of the three categories. For each sub -category, each proposed project was given one point if it provided the benefit described and two points if it provided a solution to an acute problem. The higher the number of points an improvement received, the greater its benefit, or the greater its ability to meet certain standards or policies. This systematic ranking will help direct resources and activities to the appropriate REVIEW DRAFT - January 2009 6-1 projects. The results of the systematic ranking are presented in Table 6.1. Each project is identified as a general system wide improvements or a basin specific improvement. A project number was assigned to each individual project, according to the project group location, i.e. System Wide are 1.0x project and West Cedar River Basin are 2.0x. 6.2.1 Substandard Facility A facility qualifies as substandard if it is unreliable, is structurally deteriorating or has hydraulic capacity problems. A project received points if it resulted in the following improvements to a substandard facility: POINTS: 1-2 Reduces or eliminates hydraulic capacity problems. 1-2 Replaces a deteriorating facility or corrects a structural problem. 1-2 Improves system reliability (i.e., prevents discharge of raw sewage to any waters, or reduces the potential backup of raw sewage into basements, streets, or other properties). 1-2 Corrects occupation hazard (i.e., reduce dangers to maintenance workers). Maximum Number of Points: 8 6.2.2 System Efficiency A project can improve the efficiency of the system if it results in a reduction of operation and maintenance costs. Examples of such projects include wastewater flow rate modeling and elimination of lift stations. A project received points for system efficiency if it met any of the following conditions: POINTS: 1-2 Involves improving lift station operation or efficiency. 1-2 Involves the elimination of a lift station. 1-2 Reduces infiltration and inflow. 1-2 Improves understanding and planning of sewer system. Maximum Number of Points: 8 6.2.3 Environmental Protection An improvement helps protect the environment if it reduces damage to it, or reduces the threat to the public health. Examples of deficiencies that such projects improve include failing septic tanks or sewage overflows into lakes or streams. An improvement received points for environmental protection if it met any of the following conditions: POINTS: 1-2 Eliminates septic tanks. 1-2 Improves protection of the public health and safety. 1-2 Improves protection of the environment (i.e., land, wetlands, streams, groundwater). 2 Helps protect Zone 1 of Aquifer Protection Area. 1 Helps protect Zone 2 of Aquifer Protection Area_ Maximum Number of Points: 8 REVIEW DRAFT - January 2009 6-2 X m C m 0 m rn Table 6.1 Ranking Summary of Proposed Improvements Long -Range Wastewater Management Plan City of Renton Project Substandard System Environmental Total Number Proposed Capital Improvements Facilities Efficiency Protection Ranking System Wide 1.01 Misc Sewer Projects and Emergency Repairs 6 1 4.5 11.5 1.02 Lift Station Telemetry Upgrades 4 2 0 6 1.03 Maintenance & Upgrade Sewer Hydraulic Model 4 2 1.5 7.5 1.04 Inflow & Infiltration Metering, Investigating, Rehab 4 4 0 S 1.05A Earlington Sanitary Sewer Replacement 6 2 1.5 9.5 1.056 Renton Hill Sanitary Sewer Replacement 5 2 1.5 8.5 1.05C Renton Central Business District Sewer Rep Ph IV 6 1 2.5 9.5 1.05D West Hill Sanitary Sewer Replacement 4 1 1.5 6.5 1.05E= North Highlands Sewer collection System Replace 4 1 1.5 6.5 1.05F South Highlands Sewer Collection System Replace 4 1 1.5 6.5 1.05G Maplewood Sewer Replacement 3 0.5 2.5 6 1.05H Presidents Park Sanitary Sewer Replacement Ph 1 3 0.5 1 4.5 1.051 Presidents Park Sanitary Sewer Replacement Ph 11 3 0.5 1 4.5 1.05J Honeydew Sanitary Sewer Replacement 3 0.5 1 4.5 1.05K Talbot Hill Sewer Collection System Replacement 3 0.5 1 4.5 1.05L North Renton Sewer Replacement Ph 111 3 0.5 1 4.5 1.05M Windsor Hills Sewer Replacement/Rehabilitation 3 0.5 1 4.5 1.06 Long Range Wastewater Management Plan Upgrade 5 2 0 7 West Cedar River Basin 2.01 Heather Downs/Maplewood Interceptor Improvement 3 1 3 7 2.02 Cottonwood Lift Station Rehabilitation 1.5 0.5 2 4 2.03 Falcon Ridge Lift Station Rehabilitation 4 1 2 7 rn Table 6.1 Ranking Summary of Proposed Improvements Long -Range Wastewater Management Plan City of Renton Project Substandard System Environmental Total Number Proposed Capital Improvements Facilities Efficiency Protection Ranking East Cedar River Basin 3.01 East Cedar River Collection Sewers 0 0 5 5 3.02 Central Plateau Interceptor 3 0 5 8 3.03 East Plateau Interceptor 1 0 3 4 3.04 East Renton Lift Station Elimination 2 2 0 4 3.05 Highlands Lift Station Elimination 2 2 0 4 3.06 Evendell Lift Station Elimination 2 2 0 4 Lake Washington East Basin 4.01 Duval Interceptor 3 0 4 7 4.02 Westview Lift Station Replacement/Rehabilitation 5 2 0 7 4.03 Kennydale Lakefront Sewer System Improvements 2.5 1 3 6.5 4.04 Union Avenue NE Sewer Main Extension 2 0 2.5 4.5 4.05 Sierra Heights Sewer System Construction 1 0 5 6 4.06 North Renton Intercept Replacement/Rehabilitation 4 0 1 5 4.07 Lake Washington Blvd. Sewer (2900 Block) 5 0 0 5 4.08 Stonegate/Summerwind Flow Diversion 4 3 1 8 4.09 Lake Washington Beach Lift Station Rehabilitation 4 2 0 6 4.10 Lake Washington No 2 Lift Station Rehabilitation 3 1 0 4 4.11 Long Lift Station Rehabilitation/Replacement 2 1 0 3 Black River Basin 5.01 Talbot Crest Lift Station Replacement 2 1 1 4 5.02 Thunder Hill Interceptor Replacement 4 2 2 8 5.03 Benson Road Interceptor 3 1 1 5 Table 6.1 Ranking Summary of Proposed Improvements Long -Range Wastewater Management Plan City of Renton Project Substandard System Environmental Total Number Proposed Capital Improvements Facilities Efficiency Protection Ranking 5.04 SW 34th Street Interceptor Replacement 5 2 0 7 5.05 Talbot Road Interceptor Capacity Analysis 2 0 1 3 5.06 Lind Avenue Lift Station Rehabilitation 5 2 0 7 Downtown Basin 6.01 Earlington Lift Station Elimination 6 2 3 11 6.02 Shattuck Ave S Interceptor Downsizing 6 0 2 8 6.03 North Earlington Collection System 1 0 4 5 6.04 Airport Lift Station Rehabilitation 5 2 0 7 6.05 Renton Center Sewer Extension 5 0 2 7 May Valley Basin 7.01 Misty Cove/Baxter Lift Station Replacement 4 2 2 8 7.02 Denny's Lift Station Rehabilitation 4 2 1 7 rn Table 6.2 presents the Proposed Improvements by priority. The total ranking sum cannot be used solely to prepare the Capital Improvement Program. The project rankings do not take into consideration engineering judgment or scheduling of dependent projects. Engineering judgment involves the trained observation of non -quantifiable impacts of a project. The scheduling of projects involves determining which projects must be completed before other projects can begin. For these reasons, each project was reassigned into three priorities categories: near -term, mid-term, and long-term. Table 6.2 presents the total ranking and the project priority along with brief comments regarding any inconsistency between the project ranking and the project priority. 6.3 CAPITAL IMPROVEMENT DESCRIPTIONS The proposed capital improvement projects are summarized in the following section. The projects are organized by drainage basin. A brief description of the specific system deficiency and the proposed improvement are included. The improvement also includes the total estimated project cost. The costs are in 2008 dollars. They were developed based on prior project cost data, which was then inflated to 2008 dollars. The total cost includes the project design, construction and all other allied costs_ The estimates are based on approximate average costs for similar project, and do not take into account individual variables. The projects will require a revised cost estimate prior to the initiating of any of the capital projects, in order to account for the other variables. Each project was assigned a proposed schedule date based on the priority. Lastly, each project includes a site map with the project extents. A summary map of all recommended improvements is included as Figure 6.1. 6.3.1 System Wide Improvements 1.01 Miscellaneous Sewer Projects and Emergency Repairs System Deficiency: This project is to perform small repairs, replacements, or installations of sewers that are not scheduled in the CIP, but become a priority due to unexpected problems, failure, or coordination with other projects. Improvement: Identify and perform non-scheduled work as necessary. Cost: $2,020,000 Priority: near -term Beginning: 2006 Completion: 2026 1.02 Lift Station Telemetry Upgrades System Deficiency: Telemetry system components and software will become out -dated over time. It is anticipated that there will be updating of the telemetry system on a five-year cycle. REVIEW DRAFT - January 2009 6-6 Table 6.2 Proposed Improvements Priority Summary Long -Range Wastewater Management Plan City of Renton Project Proposed Capital Total Number") Improvements Ranking Priority Comments 1.01 Misc Sewer Projects and 11.5 near Emergency Repairs 6.01 Earlington Lift Station 11 Elimination near 1.05A Earlington Sanitary Sewer 9.5 near Replacement 1.05C Renton Central Business 9.5 near District Sewer Rep Ph IV 1.0513 Renton Hill Sanitary Sewer 8 5 near Replacement 1.04 Inflow & Infiltration Metering, 8 Investigating, Rehab near 3.02 Central Plateau Interceptor 8 near 4.08 Stonegate/Summerwind Flow 8 Diversion near 6.02 Shattuck Ave S Interceptor 8 Downsizing near 7.01 Misty Cove/Baxter Lift Station 8 Replacement near 5'02 Thunder Hill Interceptor 8 Replacement near 1.03 Maintenance & Upgrade 7.5 near Sewer Hydraulic Model 2.01 Heather Downs/Maplewood 7 Interceptor Improvement near 4.01 Duval Interceptor 7 near 4.D2 Westview Lift Station 7 Replacement/Rehabilitation near 5.04 SW 34th Street Interceptor 7 Replacement near 6.05 Renton Center Sewer 7 Extension near 1.06 Long Range Wastewater 7 Management Plan Upgrade near 2.03 Falcon Ridge Lift Station 7 Rehabilitation near REVIEW DRAFT - January 2009 6-7 Table 6.2 Proposed Improvements Priority Summary Long -Range Wastewater Management Plan City of Renton Project Proposed Capital Total Numbert'� Improvements Ranking Priority Comments 5.06 Lind Avenue Lift Station 7 near Rehabilitation 6.04 Airport Lift Station 7 near Rehabilitation 7.02 Denny's Lift Station 7 near Rehabilitation Lift Station Telemetry Needed in the near -term to 1.02 Upgrades 6 near keep up with changing technology 4.05 Sierra Heights Sewer System 6 near Older septic systems Construction Health Dept area of concern 4.09 Lake Washington Beach Lift 6 near Station over 40-years old Station Rehabilitation 6.03 North Earlington Collection 5 near Older septic systems System 3'41 East Cedar River Collection 5 Near- Needed for schools in area Sewers long Liberty, Briarwood, Maywood 3.06 Evendell Lift Station 4 near Coordinate with Central Elimination Plateau Interceptor project 3.04 East Renton Lift Station 4 Higher flows than anticipated Elimination near Eliminate vs add capacity 3"05 Highlands Lift Station 4 Coordinate with Central Elimination near Plateau Interceptor project 1.05D West Hill Sanitary Sewer 6.5 mid Replacement 1.05E North Highlands Sewer 6.5 mid collection System Replace 4.03 Kennydale Lakefront Sewer 6.5 mid System Improvements 4.06 North Renton Intercept 5 mid Replacement/Rehabilitation 4.07 Lake Washington Blvd. Sewer 5 mid (2900 Block) 5.03 Benson Road Interceptor 5 mid 4.04 Union Avenue NE Sewer Main 4.5 mid Extension REVIEW DRAFT - January 2009 6-8 Table 6.2 Proposed Improvements Priority Summary Long -Range Wastewater Management Plan City of Renton Project Proposed Capital Total NumbW) Improvements Ranking Priority Comments 2.02 Cottonwood Lift Station 4 mid Ranking based upon Rehabilitation estimated life of station 4.10 Lake Washington No 2 Lift 4 mid Ranking based upon Station Rehabilitation estimated life of station 5.05 Talbot Road Interceptor Capacity Analysis 3 mid Analysis of capacity only 1 05F South Highlands Sewer 6.5 long Pushed back based upon Collection System Replace annual funding available 1 05G Maplewood Sewer 6 Ion g Pushed back based upon Replacement annual funding available 1.05H Presidents Park Sanitary 4.5 long Sewer Replacement Ph 1 1.051 Presidents Park Sanitary 4.5 long Sewer Replacement Ph II 1.05J Honeydew Sanitary Sewer 4.5 long Replacement 051i Talbot Hill Sewer Collection 4.5 long System Replacement 1.05L North Renton Sewer 4.5 long Replacement Ph Ili 1 05M Windsor Hills Sewer 4.5 long Replacement/Rehabilitation 3.03 East Plateau Interceptor 4 long 5'01 Talbot Crest Lift Station 4 long Replacement 4.1 i Long Lift Station 3 long Rehabilitation/Replacement Notes: (1) City Basins: 1.00 System Wide 2.00 West Cedar River Basin 3.00 East Cedar River 4.00 Lake Washington East 5.00 Black River Basin 6.00 Downtown Basin 7.00 May Valley Basin REVIEW DRAFT - January 2009 6-9 0 2,000 4,000 Feet 1:24,000 f� Y �krV0 lD City Limits Sanitary Sewer Service Area Existing Renton Sanitary Sewers Private Sanitary Sewers - King County Sanitary Sewers Proposed improvements 0 CIP Number FIGURE 6.1 CITY OF RENTON LONG-RANGE WASTEWATER MANAGEMENT PLAN PROPOSED IMPROVEMENTS JANUARY 2008 Improvement: Periodic upgrades of the lift station telemetry system. • Cost: $400,000 • Beginning: 2010 Beginning: 2015 Beginning: 2020 Beginning: 2025 Priority: near -term Completion: 2010 Completion: 2015 Completion: 2020 Completion: 2025 1.03 Maintenance and Up -grade of Sanitary Sewer Hydraulic Model System Deficiency: The city has developed a hydraulic model utilizing data from King County's Inflow and Infiltration Program. This model will need to be updated as the sewer system is expanded, flow monitoring data collected, physical system data collected by survey or field inspection and as software is updated. Improvement: Update model annually to ensure its accuracy. • Cost: $500,000 • Beginning:2006 Priority: near -term Completion: 2026 1.04 Inflow & Infiltration Metering, Investigation, and Rehabilitation and Replacement of Sanitary Sewer Mains for Control System Deficiency: Old and aging sewers contribute to excessive inflow and infiltration into the sanitary sewer system. In conjunction with King County's program for,reducing infiltration and inflow (Ill), the City identifies areas of concern for investigation, additional metering, and replacement or rehabilitation of the sewers. There are certain portions of the sanitary sewer system that are known as having excessive III. If these systems are replaced, III will be reduced and King County's requirements will be met. If a system is not scheduled for replacement or a replacement is delayed, the City may have to perform interim rehabilitation to reduce ill. The sewer model has also identified portions of the sewer system that have 1/I or capacity problems that have not manifested themselves with physical signs. The City needs to perform additional metering and investigation of these areas to determine the accuracy of the model, update the model data, and determine the level of need for replacement or rehabilitation. Improvement: Perform additional metering and investigation of the sewer system. Replace or rehabilitate existing sewers with III problems. • Cost: $2,280,000 • Beginning:2006 Priority: near -term Completion: 2026 REVIEW DRAFT - January 2009 6-11 1.05 Sanitary Sewer Main Replacement and Rehabilitation System Deficiency: The City's existing sanitary sewer system consists of varied materials and age. Much of the existing system includes clay and concrete pipes installed between the 1920's and 1950's. This program evaluates the system overall and prioritizes the replacements based upon age of system, risk of failure, and impact to environment Improvement: Replace or rehabilitate sanitary sewer system by priority identified. Cost: $54,000,000.00 Priority: near -term Beginning: 2006 Completion: After 2027 Thirteen individual projects are included in the 1.05 group (1.05A through 1.05M). These projects are summarized in Table 6.3. A detailed description of each 1.05 project follows. Table 6.3 Sanitary Sewer Main Replacement and Rehabilitation Projects Long -Range Wastewater Management Plan City of Renton Pro! Proposed No. Project Name Timing 1.05A Earlington Sanitary Sewer Replacement 2008 thru 2011 1.058 Renton Hill Sanitary Sewer Replacement 2010 thru 2013 1.05C Renton Central Business District San Sewer Replacement Ph IV 2013 thru 2015 1.05D West Hill Sanitary Sewer Replacement 2015 thru 2018 1.05E North Highlands Sewer Collection System Replacement 2018 thru 2026 1.05F South Highlands Sewer Collection System Replacement 2025 thru 2028 1.05G Maplewood Sewer Replacement After 2027 1.05H Presidents Park Sanitary Sewer Replacement Phase I After 2027 1.051 Presidents Park Sanitary Sewer Replacement Phase It After 2027 1.05J Honeydew Sanitary Sewer Replacement After 2027 1.05K Talbot Hill Sanitary Sewer Collection System Replacement After 2027 1.05L North Renton Sanitary Sewer Replacement Phase 111 After 2027 1.05M Windsor Hills Sewer Replacement/Rehabilitation After 2027 Notes. Each project listed in this table has a work sheet following. REVIEW DRAFT - January 2009 6-12 1.05A Earlington Hill Sewer Replacement (Downtown Basin} System Deficiency: The existing collection system in the Earlington Hill area was constructed in 1951 and is comprised of 6-inch and 8-inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failures occur. This project involves the replacement of approximately 19,200 lineal feet of existing gravity sewer. Improvement: Replace existing collection system between S 134th Street, 80th Avenue S, and SW Sunset Boulevard. • Cost: $4,150,000 Priority: near -term Beginning: 2008 Completion: 2011 - - [Tffflff hr j oe 11 'A o. ,{ � SW 121t.SL 7 E REVIEW DRAFT - January 2009 6-13 1.45E Renton Scenic Hill Sewer Collection downtown Basin System Deficiency: The existing collection system within the Scenic Hills area of the Downtown Basin was constructed between 1947 and 1949 and is comprised of 6-inch and 8-inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failures occur. This project involves replacement of approximately 15,000 lineal feet of existing gravity sewer. Improvement: Replace existing collection system within the Renton Scenic Hill area. • Cost: $3,400,000 Priority: near -term • Beginning:2010 Completion:2013 St f S � St Ind "r °Q 1..c dCIP yPy y Cyr 3L-P v nl` o Sid Ra e PI i a Sw �615 �Sl 5_�5fh St REVIEW DRAFT - January 2009 6-14 1.05C Renton Central Business District Sanitary Sewer Replacement, Phase IV System Deficiency: Existing sewers are old and in poor condition. Replacement of these sanitary sewer pipelines would improve sewer service to this residential area. Improvement: Replacement of approximately 11,000 lineal feet of 8-inch gravity sewer between S 2nd Street and Houser Way. • Cost: $2,500,000 Priority: near -term • Beginning: 2013 Completion- 2015 C- der R . � I IIIj� 5 161h %I. f Sh'I ., St Fills REVIEW DRAFT - January 2009 6-15 1.05D West Hill Sanitary Sewer Replacement (Downtown Basin System Deficiency: The existing collection system on the West Hill (between NW 2nd, NW 7th, Rainier, and 84th Ave) was constructed in 1962 and is comprised of 6-inch and 8- inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failures occur. This project involves the replacement of approximately 25,000 lineal feet of existing gravity sewer. Improvement: Replace existing collection system between S 134th Street, 80th Avenue S, and SW Sunset Boulevard. • Cost: $5,700,000 Priority. mid-term • Beginning:2015 Completion:2018 S L121LI SI —F] 1215I - I s lzs, � 1 ,�• " S 122n4 s] �72nd st. « � G a S 123rC S1 1L3rd S NiN' 11h S'. �� K v �S ie3!dii 11417 ?lath t asooih St Sth SI a' S 12% Sk. 2 N ],I - MT �t m _ Ll I yr .as Airrt;r; Yln ��� e-I end r LY? i r � F 5 ... v 4 Si I 5 2nd S 'nd I [il o 1� iff1 J� L.LJ LLt �y .i {I St ,}y C -� edar _ - IrVer REVIEW DRAFT - January 2009 6-16 1.05E North Highlands Sewer Collection System Replacement East lake Washington Basin) System Deficiency: This portion of the existing collection system within Model Basin RNT030 was constructed in the early 1940s and is comprised of 8-inch, 10-inch, and 12- inch concrete sewers that are approaching the end of their useful life and need to be replaced before structural failures occur_ This project involves the replacement of approximately 56,800 lineal feet of existing gravity sewer. Improvement: Replace existing collection system between NE 7th Street, NE 21st Street, Aberdeen Avenue NE, and Queen Avenue NE. Cost: $13,000,000 Priority: mid-term • Beginning:2018 Completion:2026 9CJh It �IIL \1� t 4E i5:h FI . NE % In Ch tl ` 'r?3'. �t - U 1h CI N 241.h ' r I NL _� = Il". s ,111V -x' �7 j •y' 7)n�' P +C 22rd rrt 1 rNC 2?.r'J NE 23 HE 2 9 X no �L 1=' _ 4r i7M 5{ -1 !F 7J,,. yr 22nd Nr 211, — NI..Gln Mt �L M — — — — — —_— — �'.E_�' Icm� � �k- E��' (>� v ❑C�lal_Ir1F � 1m� I h` rl'� 51 = _ 4E 1Jth 51 S Ilih � SJ NF h l I714 Sr F A ? r NE 31h NP NF 4Ch CI. N 91h SI . �: Ni 1+ NC 71n Yi 4F )Ih ; ! YE I a C6LI x �J 1[ tilhl 3 4E. Elh :I Nf. iJr 's 5 C GrF 5�Y-SI_ N 6.h SI,jlk�ofl rr o St_ - � r.J, c J ^ r�.R� , 'hF�tn SI `�I EIJLI REVIEW DRAFT - January 2009 6-17 1.05F South Highlands Sewer Collection System Replacement (East Lake Washington Basin) System Deficiency: This portion of the existing collection system within Model Basin RNT030 was constructed in the early 1940s and is comprised of 8-inch concrete sewers that are approaching the end of their useful life and need to be replaced before structural failures occur. This project involves the replacement of approximately 13,700 lineal feet of existing gravity sewer. Improvement: Replace existing collection system between NE 3rd Street, NE 7th Street, Monroe Avenue NE, and Sunset Boulevard NE. • Cost: $3,100,000 Priority: mid-term • Beginning:2025 Completion:2028 IUUI L_J LA NE 12th 51 I � y ( E=its Ell- 1t.h ra 5 ell �- .��=t�th i 5 h 1Cih �— r� E Nt uh I n, r Nf ip r Nf �_ N{ inth St,t. 4t L 9 C 8;h Pi, _ a �Ni t. 3th C t � Nr S'h Ci. -- U Fl Sin SI L_ NE Blh At Prf. 51�. N1. ohFnl l < ) �L F!n 3. n !t J• NF R,e v c?h o nr43 y t o NE @L1 CL �JL�J Edmw�ds- z �J pF _ NE ih St Z N Sri1 CI REVIEW DRAFT - January 2009 6-18 1.05G Maplewood Sewer Replacement (West Cedar River Basin) System Deficiency: The existing sewers were constructed in 1963 and are reaching the end of their useful life and should be scheduled for replacement. The system consists of approximately 2,000 lineal feet of existing 8, 12, and 15-inch concrete gravity sewer. Improvement: Replace or rehabilitate the existing Maplewood Sewer Collection System. • Cost: $1,600,000 Priority: long-term • Beginning: After 2027 Completion: After 2027 4th St 4 4(h St NL 4�h 51 RlrrI � � ,t 4 17 �ao 1Ei� ��.��_ � 5 4J� SE 2,� -H MrP L10 CedarR Iver 4, ITT N P.th Lj uz REVIEW DRAFT - January 2009 6-19 1.05H Presidents Park Sewer Replacement Phase 1 (East Lake Washinaton Basin System Deficiency: This portion of the existing collection system within Model Basin RNT030 was constructed in the early 1940s and is comprised of 8 and 10-inch concrete sewers. These systems are approaching the end of their useful life and need to be replaced before structural failures occur. This project involves the replacement of approximately 10,000 lineal feet of existing gravity sewer. Improvement: Replace existing collection system between NE 6th Street, NE 10th Street, Monroe Avenue NE, and Harrington Avenue NE. • Cost: $2,300,000 Priority: long-term • Beginning: After 2027 Completion: After 2027 Nf' 141huA ) V l,lh it r c 3 j�f� I In PI ram. !' �I , — I E 'bin u. Ai Nf.-1C,irr •"r—J `y — ENE'i0rh ;�� . '91 n. N 1h NF 61Fl SI. n � _ Nr_ h ;I J Lj ¢'r 1 L7 � r�...I 74, � Nf. 61h ,r -- m Nt sIN stJIM P N 4th St. Yr aih `t_ NE 4th �t I NE Qlh 51 JUT NE � JII/Ffr- �j�6�1 �� ITT T i " f 'f6TT 91. 2nd Sl 1 �( REVIEW DRAFT - January 2009 6-20 1.051 Presidents Park Sewer Replacement Phase II (East take Washinaton Basin System Deficiency: This portion of the existing collection system within Model Basin RNT030 was constructed in the Early 1950's and is comprised of 8-inch concrete sewers which are approaching the end of their useful life and need to be replaced before structural failures occur. This project involves the replacement of approximately 32,000 lineal feet of existing gravity sewer. Improvement: Replace existing collection system between NE 6th Street, NE 10th Street, Monroe Avenue NE, and Harrington Avenue NE. • Cost: $7,200,000 Priority: long-term • Beginning: After 2027 Completion: After 2027 s Z � NF 101h Ln_ 1' N� L1 ti tt Ii OF. !C S� l• NC—� ...� '1 tiz s 1 a sir S;. � {`l' 1 Si T, NE 8!! �lj�{��— Nk 12,1 in Ct. \F Alh c1NE 81' �J r c: G{1i N4 7th Li 51h P ]1N; In � Nf !j� N 41h NL air Si, NE ata �!_ NF ath ]I ! 4th Al REVIEW DRAFT - January 2009 6-21 1.05J Hone dew Sanitary Sewer Replacement East Fake Washin ton Basin System Deficiency. The existing gravity sewers are approximately 35 years old. Further, these concrete sewers have experienced severe corrosion. The City performed spot rehabilitation in this area to resolve Ill problems. Those pipe runs may not need to be replaced. The rest of the system, however, is structurally compromised. Improvement: The replacement of approximately 7,100 lineal feet of existing 8-inch gravity sewer between NE 10th Street, Sunset Boulevard, Union Avenue NE, and Hoquiam Avenue NE. • Cost: $1,600,000 Priority: long-term • Beginning: After 2027 Completion: After 2027 I NL 25th i'i NE 76;n �' • 1 � _ �4 hul 'ih zu I AEf .;LG; 2-Ni_ 74'n r N. Ern �t UUU,,�l Yay I�st �. NE I 4' YE f' I r+: j ii4h PL1 In n ��I I p5 I� f i171h "I NE 115th i 51 141h S1 NE IfitS Pi h c ..- S[��" L. Yam, : i0iEI^ tom St. st NCIh SE M1 L NF 71h NF. i th _ E I��{F7� !I rJF REVIEW DRAFT - January 2009 6-22 1.05K Talbot Hill Sanitary Sewer Collection System Replacement [Black River Basin System Deficiency: This portion of the existing collection system within Model Basin RNT045 was constructed in 1960 and is comprised of 8 and 10-inch concrete sewers. These systems are approaching the end of their useful life and need to be replaced before structural failures occur_ This project involves replacement of approximately 18,200 lineal feet of existing gravity sewer. Improvement: Replace existing collection system between take Avenue S, S 14th Street, State Route 515, and S 23rd Street. • Cost: $4,100,000 Priority: long-term • Beginning: After 2027 Completion: After 2027 J '�� � L�tYJ� Myth G Ory L'ilaop PI O .e` �to9 �l � a �r� �, • ,� i. III ] ,l.h S1 S Oh �_ it .a �� -- --- 5 isw st . � l l- ��� 3t ❑ A P5 SN 71d 'iI 5 (: d St� — SE 16� 5µ' 271h St A + 1 J r _ II II REVIEW DRAFT - January 2009 6-23 1.05L North Renton Sewer Replacement. Phase III (East Lake Washinaton Basin System Deficiency: The existing gravity sewers are old and deteriorating. Further, these sewers were constructed with an inadequate slope, which does not allow self -flushing of the sewer lines. Consequently, maintenance crews are required to flush these sewer lines approximately once a month. In addition, their condition has deteriorated and requires replacements. Interim repairs were made to these mains in the late 1990s. Improvement: The replacement of approximately 3,100 lineal feet of existing 8-inch gravity sewer between N 6th Street, N 4th Street, Wells Avenue N, and Park Avenue N. • Cost: $950,000 Priority: long-term • Beginning: After 2027 Completion: After 2027 17]thSL_ _ — — — ._----- l r p � _ lififh L5� ` PI. 117th �� $ NE III In \\\ fl7th N 91h /0}h 1 f8th 1T9th NE Bth PI. J U• St i � � YQI� ri z I N 9th St. NW 7lh st. r � t a 5 I, � � C• o NE 61h 1 � � I. N N 6th 51- o N 8th St. J ,a 61h St, Y51h St, a �LJ `�1 ¢ NW 5tN St. ME sm M. �^ rndsM FrMde v N Ath St. NEE Rh 51 d Si o .c Tnd � — O $i,7A nod Sl Tobin 51 � � �o � ��E Tnd St s, REVIEW DRAFT - January 2009 6-24 1.05M Windsor Hill Sewer Replacement I Rehabilitation (West Cedar River Basin System Deficiency: These existing sewers are approximately 55 years old. Large portions of the Windsor Hills Sewers are 6-inch pipes and do not meet current standard for minimum size for mains. A portion of these sewers is within Zone 2 of the Aquifer Protection Area. This project involves the replacement/rehabilitation of approximately 7,900 lineal feet of existing 6 and 8-inch gravity sewer in the Windsor Hills Neighborhood. Improvement: Replace or rehabilitate old sewers in the Windsor Hills Neighborhood_ • Cost: $1,800,000 Priority: long-term • Beginning: After 2027 Completion: After 2027 f 1 NE�—C �t7. P 101h All Vbl_� �S� $, a NE '•OM'�t_... ,. Nf�MR _ 4E t0th 111 0 It a' p Si 'x o i � v� i�i9 1 r IlI�� ,a Cff�71h`St`1 ``1 1 NE 7th 41h ' f6 NE 6thz N 5kh St. N filh St. L fr k. 4 . s/h tf` 6 a NE fl Ifl[ 67hSt. N Sl. fffm�'j OS 9 l W . I _ FO-Mtle// � H 4vh St _ � �"�� NE 41h St. NE 4th L NF 2nd St �{,,./ Nf 2nd Si 6 In, St S k SE 2nd pl �r I� �1lJC � 5 L ' SE 3rd 5t u tari y�r�y yL! 1.06 Lona Ranae Wastewater Manaaement Plan Uoarade System Deficiency: The Long Range Wastewater Management Plan needs to be updated approximately every six years to ensure that the plan accurately reflects the conditions observed by the City and provides accurate planning information. The Plan was last updated in 2008 and is thus scheduled for an update in the year 2014. REVIEW DRAFT - January 2009 6-25 Improvement: Update Long Range Wastewater Management Plan. • Cost: $100,000 Priority: near -term • Beginning: After 2014 Completion: After 2014 6.3.2 West Cedar River Basin 2.01 Heather Downs 1 Maolewood Interceptor Improvements System Deficiency: The existing Heather Downs Interceptor has seen significant increased flows due to new development on a portion of the East Renton Plateau. Some flows directed to these two interceptors were intended to be directed to the East Renton Interceptor. A study needs to be performed to determine which portions of the system need to be upsized. The system consists of approximately 9,100 linear feet of 8, 10, 12, and 15- inch mains. For planning purposes we are assuming 5,000 linear feet will need to be upsized. Improvement: Perform study of capacity and replace undersized portions of the interceptor system. • Cost: $1,300,000 Priority: near -term • Beginning:2007 Completion:2009 — �tA3LO�� SI. a� a _ kd! C•jj �� a Lf 1P�II! 11"111LCf11 nun �✓ � s ? m� � un I Cxc un sr � �s N[ $; I[uNxEllett \JL_JL �. O Ne aye a 2,4s,ilk Pq � G' t I � [ g/7rd�N A ASt Znd F g t �� ...� ��mU ����1j L'1•���*. SE � ¢t�S $ I �tF S, �� � T S l � Y Slh 51 rr S[ I11nd $1 41 Ifyyy Elh � fI1Wx A��OC � � ® II — liR STATION REVIEW DRAFT - January 2009 6-26 2.02 Cottonwood Lift Station Rehabilitation System Deficiency: The Cottonwood Lift Station was reconstructed in its entirety in 1994. This is a permanent station. The expected life of a sewage pump station is 25 years. Cottonwood will be 25 years old in 2019. Improvement: Rehabilitate the existing lift station. • Cost: $300,000 Priority: mid-term • Beginning:2021 Completion:2021 Ih 51 q 3 z �� a V, �A-1-t W�— R�'+I 5 i32ntl 5! � NE 7^tl SI { as s� 5 end 51 _ SEE 2rd PI `\\ 5 3rd St �L1 L1J iy 4 �S 4 xtl P m: rOT UFT 57W00 } LEFT STATION 2.02 rt S llh St [L]J o � D �� 6m � gth 5W l00, 5l SW GiaCY�Moy — — ��— "t � ll 5 Yenlan UJloge PI ``\ 3 Y � SW I6lh SI 515th St s 5E 161h PI REVIEW DRAFT - January 2009 5-27 2.03 Falcon Ridge Lift Station Rehabilitation System Deficiency: The Falcon Ridge Lift Station was built in 1981. The expected life of a sewage pump station is 25 years. Falcon Ridge was 25 years old in 2006. As part of an overall review of lift stations for prioritization of upgrades or rehabilitation Falcon Ridge has been scheduled for replacement or rehabilitation in 2010. Improvement: Replace or rehabilitate the existing lift station. • Cost: $300,000 Priority: near -term • Beginning:2010 Completion:2010 Axiverlk� ryy I`I` 1��.l�+��,, 1lh ram. 11III �ll�® .�. SE Stn sk SSr� 1JU ~\ 1T Bh � ��� �¢ _ Sw y1h • EALC R1 GE �'� LIFT ATI6 U�2. 3 4 $sl�E 51 5 I Ih S{ rq J��� _ j}p. , ZY 1 � 161n 5� s S H I *-,2njSt �5 2 t 51 sw 75 d SI S 7 rd 51 s 5 C Hill l SE t �.i �� si 16ts1 51 SE l62nd s EJ{II ST II a J $E 16A Ct _ 5E 16yd ,y REVIEW DRAFT - January 2009 6-28 6.3.3 East Cedar River Basin 3.01 East Cedar River Collection Sewers System Deficiency: The completion of the East Renton Interceptor in 1994 and the anticipated completion of the Central Plateau Interceptor in 2008 allows for the extension of collection mains into the East Cedar River Basin. This basin has seen the most significant amount of improvement since the 1998 Long Range Wastewater Management Plan. Construction of the remaining collection system will be through Local Improvement District or developer extension. There is approximately 220,000 feet of collection sewer necessary to provide service to this basin. Two interceptor projects providing service to this basin are described in projects 3.02 and 3.03. There are also some facilities proposed in the basin that, while acting as local collector facilities, may need to be larger for conveyance purposes. While the City typically participates in the `oversizing' costs of these lines this plan is not programming any CIP dollars for this project_ Improvement: Install collection system in the East Cedar River Basin. • Cost: $49,500,000 (by developer) Priority: near -term Beginning. 2006 Completion: 2030 M J � liltl A 6h 1 T E sm st t Se— ®L_ IE ]q K s.o, k s.ol I R IAtl Sl ioI IX k µ1Q Ltl 5 - Y 132e k � x ur.e y IYµ YY 3,Yµ L � ISYE P I N r ly lffl R J Ixr, k soI se amn nL�13LA —_—_---� xex.,n RWPn�- 1 111.1 x SC t1IXM1 R, SQ, wµ p REVIEW DRAFT - January 2009 6-29 3.02 Central Plateau Interceptor Phase II System Deficiency: Service of the central portion of the East Cedar River Basin will require an interceptor or conveyance facility to move the sewage from the sub -basin to the King County system. The first phase of this interceptor was constructed as part of the King County Elliott Bridge Construction Project that was completed in 2005. There is approximately 5,000 additional feet of 12, 15, and 18-inch sewer necessary to provide service to this basin. Improvement: Install the Central Plateau Interceptor. • Cost: $2,250,000 Priority: near -term • Beginning:2006 Completion:2008 r aw as sE In.,a SL i �I � YIINIA 5 ' �Y 134b 51 �jI � SE 2a L ss M1 R 4 tSfa R tsR tlt M �, �� f Y19mF Yi81A0. _ r Y Ipp R Ijj"'g''1I Lul k s1 —�LJL.��II� IU Y r.1N 51 ISM REVIEW DRAFT - January 2009 6-30 3.03 East Plateau Interceptor System Deficiency: Service of the eastern portion of the East Cedar River Basin will require an interceptor or conveyance facility to move the sewage from the sub -basin to the King County system. The potential exists for a gravity route projecting south from 180th Avenue South. This and other gravity routes may be considered. There would be concerns about working in and around the Cedar River to cross to Maple Valley Highway. Alternate methods of pipe installation, such as boring or micro tunneling may mitigate impacts involved with a river crossing. A gravity alternative would also be dependent upon a facility to move the flows from the discharge point of this trunk at approximately 177th to the existing King County Cedar River Trunk at 154th_ For alternative consideration, a pump station that would move the flows to either the North Plateau Sub -basin or East Renton Sub -basin could be built in lieu of the East Plateau Interceptor. The East Renton Interceptor was sized and the Central Plateau Interceptor is planned for this contingency. There is approximately 9,300 feet of 18-inch sewer necessary to provide service to this basin under the gravity alternative. Improvement: Install East Plateau Interceptor. • Cost: $1,700,000 (lift Station) Priority: mid-term $3,720,000 (Gravity Interceptor) • Beginning: 2019 Completion, 2020 .� xbnn �� 3I1 1r � Irrry1' 1� Lam_ 59m 1 x n.aF REVIEW DRAFT - January 2009 6-31 3.04 East Renton Lift Station Elimination System Deficiency: The construction of the Central Plateau Interceptor allows for the connection and activation of the dry sewers in the Maplewood Heights neighborhood. By extending the sewer north from 158th Place SE and SE 138th Place, approximately 900 feet, the City can abandon the East Renton Lift Station. Improvement: Install approximately 900 linear feet of 12-inch sewer main and abandon the East Renton Lift Station, redirecting flows to system flowing to the Central Plateau Interceptor. • Cost: $200,000 Priority: near -term • Beginning:2009 Completion.2009 NE 4Ih t. Ox a 1 HE I 1E�,7 HE 41h St - - Z� } `NE 41h St ry Ih St Y 118th SI HE 3rd Ct N Ad St ---� 1 36th SI HE fid St Qr ppp I l �SE 73is1 St.] HE 2nd St E 2nd St 2nd _ ST Bind St. .., ME SE 13.'�nd St, �SE 132, SE Is a t Pill � SE 134th SI. SE 2nd SE 2nd Pi t SE 135th St. �) � Gl� Pi nrN/ �d q1 EAST rsCNTOM 3.04 �-�-;.d G- UFT STATVO C� 5� N\ _ 5E 138th PC g 138th FL _J 139th R M SE < SE' 139Ih PE � SE 134{h PI. a LSE 140th PI. J _ I �3fh SE 142nd St -'l- 62� ,USIA x� 142M Sit. q1 SE 173rdJ sl t. ` a SE 43r4 W SE �4�� SE 145th AI. 1 - h 51. 45 pi `Jl _ tia REVIEW DRAFT - January 2009 6-32 3.05 Highland Estates Lift Station Elimination System Deficiency: The construction of the Central Plateau Interceptor allows for the connection and activation of the dry sewers in the Maplewood Heights neighborhood. With a short extension of the sewer main from the existing system in 152nd Avenue SE, The Highlands Estates Lift Station can be abandoned in favor of gravity service. Improvement: Connect the Highland Estates sanitary sewer system to the existing sewer main in 152nd Avenue SE and Abandon the Highland Estates Lift Station. • Cost: $30,000 Priority: near -term • Beginning:2008 Completion:2008 — n ® I Rh 1E SLh A � EE (!' - t IS — [(I'' NC Hh St- !LNt ,Sh t NE /1h 31 L n NC tm 1 3 NE Sd t4 8 I JI msl. NE 1M 51 5E 751ot R. 1 0 NE Zoe SI E Ind St = 1nd SE 1320 St. ag SE 1 a sl L s[i �s,d sl. tX [� $ tst R SE Sjd St 9 1•---2ndd R - 31 x J t C\`-lrc SE IJ51h SL SE 2nd JQ HI1H T [STiE 5 n I1R ST{iION SE S% _ SF 1391n N Mh 51 Y 5E 1391h 1R n IIj(�—� II191h Pf. 9E 1391h PL — q � �J � ts Y1WtM1 F I. o,. Y 1/7M SI St n S 51 k �� 47 S �,r 3E I{Sln st FrslY � � 4 s � Y km-m _ 1 • Rd ~� C7 REVIEW DRAFT - January 2009 6-33 3.06 Evendell Lift Station Elimination System Deficiency: When the gravity sanitary sewer system is constructed in 160th Avenue SE, the system, the sewers serving south of SE 136th Street can be connected and the Evendell Lift Station can be abandoned. Improvement: Abandon the Evendell Lift Station and reroute flows to the new gravity sewers to the south. • Cost: $20,000 Priority: near -term Beginning:2008 Completion:2008 61h S I N 51 S! £ i NE Nh I. HE 41A 51 u z If NE�41h_S:kIJ1 � �J NE /tF St E 4t _ In st y A IPBIh SI 5 �\.7 I Q 12BIh h[9dIX � a+d dS1 2nd 51 SE s71. 51. .7 O NE 1„a sl q k and {-� hid SE I77M St ]1339h Nd StSF I d 5tst[ �I. a sE ttun sl SE �a a SE Ina F1 U � x6p � # I � i36th 51 4 �I si umh n. AINs s.os1 i x II��JI 5E 1791h tt A 1791h N. SF iS41h PL cbENo' I IIFr iDN (�" thlsl St I47n4 51 SE fild St LSiinO.a ar s31 s n i SE 1451h f w 1451n 51 (➢ �tm l LSE '4 s y! IOW sl1 SFI I�hn ^f SE llsihA � s F Rfe REVIEW DRAFT - January 2009 6-34 6.3.4 East Lake Washington Basin 4.01 Duvall Interce for System Deficiency: The existing downstream system, from NE 10th at Field Avenue NE to the Sunset Interceptor has insufficient capacity to accommodate future development flows from this portion of the system. The new interceptor would require 1950 linear feet of 12- inch sewer to connect to re-route flows to the East Renton System at Duvall Avenue NE and NE 8th Street. Improvement: Install new interceptor to redirect sewer flows from Sunset System to East Renton System. • Cost: $500,000 Beginning:2006 Priority: near -term Completion: 2008 NE 17i, a 0 107th w S Pf a a w ` Y�I cyv N NE 14th St1 '2• � �� I�I NE 12th St d 3 NF lith Sl. p a L 'Ith f NE n Nth Ih c� -�P t�J �VF 14th P. r I NE 11rh St E t.to ! h' E lath PI a s jY� �Iz �NE IOIh St lath St� 9th �Flp L r NE loth S — �__ NE 19th �� St. A - ����_ 9th St �� J N4 g�� St i 7L i ,91h St �a NE9C � � NE Qth CT. y� - ��,'�� LJ < NE 8th St, Q NE Sth Ct. NE 8th� j NA glh SJ/ NE 71h St �2 f = NE 7th St 4 - NE 7th PI f[NF3 - _`� u NE 6lh r 7th P� E fi Ci NE 5th P! NE 6th m a NE 6lh ! 0 1 orb Q� 5 S ' o a NE 6th St. v7!0 SJNE Sth 51 �U�[)arJL� ,J 1�JNE 5thIIonI - ¢ 7N �1 l i �` [i F -�a 4 REVIEW DRAFT - January 2009 6-35 4.02 Westview Lift Station Replacement 1 Rehabilitation System Deficiency. The Westview Lift Station was constructed in 1996. Lift stations typically have an anticipated life of 25 years. This station has already shown excessive wear and has reliability issues. This results in scheduling the reptacement/rehabilitation ahead of the 25-year time frame. Improvement: Replace or rehabilitate the Westview Lift Station. • Cost: $300,000 Priority: near -term • Beginning:2009 Completion:2009 d NE 23fd v a NE 21s( Si x 20th . ¢ a NE 24 17th p _ W___ Y� C 1 q L—E 17 thSi.S C f NE 16th _. 141h�' NE 14th St Li —_ — — NE ''zln S. ¢ C7 aw z r a `gpl� / _ ym �NE 11th SI. a s c HE IOth Fi, aE n NE loth P. Qn� c. o f N i h c t. c ` a NE 14th J r NE loth I N 14th SL ` NE 91h rNE 1Qth 1 r Sl. a LJ�IVI h Sl _ o � NE f L Y N 8th St. a ¢ o I NE Bih St' NE 7th REVIEW DRAFT - January 2009 6-36 4.03 Kenn dale Lakefront Sewer System Improvements System Deficiency: The Kennydale Lakefront sewer system has several undesirable operating characteristics. First, this low-pressure sewer main requires a considerable amount of maintenance, which is made more difficult due to its location along the lakefront. Second, it Uses a flush station which pumps water from Lake Washington in order to flush wastewater to the Lake Washington No. 2 Lift Station. In 2002/2003, the City performed a study to determine condition of the existing system and evaluate alternatives for replacement. The study recommended interim repairs and additional maintenance access points. Testing of the main for condition showed that it had potentially 20 to 30 years of additional life. Improvement- Examine and evaluate system operation in this area and determine if replacement is warranted. 0 Cost: $4,500,000 Priority: mid-term • Beginning:2024 Completion:2026 46th -__ ___— 4�I 1fU —_- —____ /vIL GG�f�if 1 � SE 7611, PI. - 771 SE 77 PI �Z7It l if I!--- _— — _ _ _ _ Sr wh St. — L— SE $Oth _ _ NE 4.�d _ 40th SI NE 40Ih St , _ jj1 I �38th $t �Jc-3�,1 - -_ _- --- ` ¢ rf 1 �o-� SE 86th I \\\ N .,71h � I—' � E 36ttSF B8t 881, 351h St I lf C SE 891 881hP1� -- - ` - - - - - G N J41h St N 34th Si p �J I SE 90! St t_ �ra—JN 33rd PI � E 33rd St $E 915t St � l _ - _ _ ! SE 92nd Sl J a:, _ NE 31s1 51 301h St= N 301h 5 --0 Ie� — N 281n St m 5[ SE 95th Wa'� REVIEW DRAFT - January 2009 6-37 4.04 Union Avenue NE Sewer Main Extension System Deficiency: Segments of Union Avenue NE, between NE 2nd Street and NE 6th Place do not have a sewer main installed. There are three sections of sewer in this stretch that need to be installed to provide service to properties in this area that are undeveloped or on septic tank. Improvement: Install approximately 2,200 feet of sewer main in Union Avenue NE, between NE 2nd Street and NE 6th Place. • Cost: $500,000 Priority: mid-term • Beginning:2020 Completion:2020 tt = NE IOIh x NE lOth tnl m NE IOtn 51 NE itltn St NE 9th fig$ S7 NE 1Ol- h J St. g`r Sl L o ��E 9 C NE 9th St NF Oth Pi, 9th Ct- a �, d NE 8lh CI. NE 8th St.Ih Si ;.,. �_` .t tSE 8th St. S1 NE lth 51. 1 NE ]th NE 71h PI NE NC 7M 51 3 I:I NE 6th PI I �� - A� I. " _ - NE 6th �'C NE 61h 5 - �L=r`. :I 6lh E St a.6th S m r� l)a a z a a NE Sth St u ct �sd ieni4de e � z N 4th St. c ME 41h St. NE 41h t. NE 4th St _ f jd NE 3rd Ct = 14V94 �NE 2nd Sit NE 2nd Sf �otE 2nd �D y �� rsr � �t4E lsla SE 1st PI o �- r` 5E 2nd PI v 3rd[ S�! � _ Ir� E 2nd PI - REVIEW DRAFT - January 2009 6-38 4.05 Sierra Heiahts Sewer Svstem Construction System Deficiency: Parts of the Sierra Heights area does not have sewer main installed. A large portion of this area has been declared an area of concern due to the potential of failure the King County Health Department has seen in the septic systems in the area. The majority of the unserved area is not currently within the Renton City Limits. The northern portion of this system will either have to be pumped or have gravity through an agreement to connect to Coal Creek Utility's future system. Improvement: Construct sanitary sewers in developed areas to allow transfer of residential sewer disposal from private septic systems to a public sewer system. • Cost: $2,000,000 Priority: near -term • Beginning:2014 Completion:2016 st St a _ SE s rd __J �y sf z SL 95th 1V� � E 95th - St th SI SE 95tn way `— 59 E 981h St } NE 25th PI NE 2bthj NE 2 h NE 24ih l 1 � � E 100# Si -- — — _L � � � �� i"E 2 .h — � !'t 4.05 NE 24th ` N7nT� NE 23rd PI a v N �[�"`�' aw —t_i �— NE 24ih ��_ (� 1 L� NE 22nd P r� a� ` NL123 NF 23rd — NE a d NE 23rd St �� E 22nd G — �- - ��' NE 22nd P� NE 21st ff!!I NE 21sl St z tI N 2 nd S= NE ?2nC n _) IyII Nt. 21st PlfINE NE 20 y� N 21s{ St L IQ 121st — [NEB JiIN ENE i9thSt�`�� NE 1 NE 191h 17th d u a E 16th- St. �� -�, 17 h NE 17f✓��F�Ih PI b z o J ro n Y�J � NE 14th St' REVIEW DRAFT - January 2009 6-39 4.06 North Renton Interceator Realacement 1 Rehabilitation System Deficiency The North Renton Interceptor flows were reduced as part of the diversion through the Sunset Interceptor Phase II project completed in 2005. In addition, flows south of N 8th Street are being re-routed into a new 15-inch main being constructed in N 8th Street from Garden to Logan with a new connection to King County's East Side Interceptor. The City needs to evaluate the old interceptor line for rehabilitation, downsizing, and partial elimination. Improvement: Evaluate the main and rehabilitate, downsize, and eliminate portions as needed. • Cost: $800,000 Priority: mid-term • Beginning:2017 Completion:2018 --———-- ------_. — _._ —_ --- x E 161h L LL _ _ a of 4 ro -_--_ - -- _--=-=---f---= ----- - __ _ - -fnnY ----------------- ---- 41,2mst ALA, V�l� 11 th t -----W-4— _ — — _ - - --c _ -- woo 1 115th E NE loth r::3 1 1171h /C " IDIh M� L o •r. NE l- Ofh i 51 S! ,9th I IS \- l � 201h .� N 8th St. �� zest _ 4 .� J S Msl 4-06` q; r din r c ` z _ NENW 7th SI. — I. 11 �1- N 61h St. N 6th Si. °�7 @ - N'6 61h St. 4.06� g 3 5th ti ��� z � P � NW 5Yh 51. x Q�NJ11h St. Ur� NE iih Ct. r/r�m���ffj1�Iry��� �r{h�JjI �� mds0' Fnndde � v J LLJ rL1 E �ll� N 41h St- 9 14E BE3$1 _ � D i . Airport 'tvay� E REVIEW DRAFT - January 2009 6-40 4.07 take Washington Blvd. N Sewer (2900 Block System Deficiency: In early 1997, the sanitary sewer main in the 2900 block of Lake Washington Blvd. N was damaged by private construction. The sewer main was patched and put back into service. The repair is temporary in nature, as it creates a reduction in capacity, impacts flow characteristics, and prevents proper cleaning. To properly re- establish the sewer system in the area the City needs to replace and relocate approximately 300 feet of sewer main. Improvement: Replace the damaged section of sewer pipe, relocating the main to eliminate the conflict with the adjacent utility(s). • Cost: $100,000 Priority: mid-term • Beginning, 2015 Completion: 2015 SE 761h St - -- ----_----__"-_-_-_-_- -- _ _ z� -- — — SE 761h PI.— �, _— --_ _ 5E 77 P4 th -— -- ---W--- — NE43rd I - ------ - - - 7-7- - -_ -_-_-_-_- -_-_- -_-_-_--_-_- - - - - - - - -- - N 40th 51 _ --_-- -_-_- NE 40th 51 ----- -- ,---- - _ = _ - _ --- ----- SE Nth 3A Si .I E 361 SE 88t Sl - - - --_-_ - _ - d N ,751h 5t SE 841 S�l A81h Pi _ I" I - — - - -- - - - - - �C N34tnSt N34thSl + SE90, 5# J - - -_---_ _ _ - - - - a N 33rd PI � F J3rd Si_ _ _ _ _ � SE 4}st SI - - _ N = N 32nd St N 32nd SO _...� I SE 92M St - _----- - - � � NE37stSt --_-----_- _ -- -- _ 4.0 3BX N 30th 5� -30rh 5 I rd e}� -.-. N29th51� -_---_ 281h St' Ih Se. NE 271h 51, O IrrI , REVIEW DRAFT - January 2009 6-41 4.08 Stonegate 1 Summerwind Subbasin Flow Diversion System Deficiency: The Summerwind Lift Station is reaching the end of its useful life. The Stonegate Lift Station is undersized to meet the build out needs of this sub -basin. The capacity of the sanitary sewer system in Duvall Avenue NE and NE Sunset Boulevard is also insufficient for build out needs of the area. Improvement: Abandon Summerwind Lift Station and divert flows into Stonegate Lift Station. Construct a new Stonegate Lift Station with sufficient capacity to meet build out needs for both sub -basins. Construct approximately 3,600 linear feet of 8-inch force main to route flows to Field Avenue NE. Construct 2,800 linear feet of 15-inch gravity sewer main in Field Avenue NE and NE Sunset Boulevard. • Cost: $3,500,000 Priority: near -term • Beginning:2007 Completion:2008 SE g5th SE 95(h JIs( St L CE� 95th P! 9S�h z I D Ydth 3l z I _ I ` 4 NE 251h PI NE 2fith C 0t! / NE 2 Eh Ct NE 24th N NE 2Ih {4 � �NE 23rd PI g` — E 22nd P ..''E 22nd �z Nc�23 NE 23rd l 7[NE . �2nd 5St NE 22nd \, NE 22nd PINE 21st n I Ir NE 21st P _l N� St . C`2(9� N 21st �� o z } NE 20NE 19th NE 19t. St ro G NE E W p� � � Syhitman � y h a NE 17t S 1071h PI �._ 4.08 Q _ a NE 14JS(` c ze`v 7_ v < E U f -- NE T2th St �I tlf STONEGATE 6 LIFT STATION z rN:V(.08 02na 1SSvgU;hA- REVIEW DRAFT - January 2009 6-42 4.09 Lake Washington Beach Lift Station Rehabilitation System Deficiency: The Lake Washington Beach Lift Station was constructed in 1968. This is a permanent station. The expected life of a sewage pump station is 25 years. While Lake Washington Beach is over 25 years old, it only receives seasonal usage from Coulon Beach Park and thus will last longer than 25 years. The station should be rehabilitated in 2014 when the station is 46 years old. Improvement: Rehabilitate the existing lift station. Cost: $300,000 • Beginning: 2014 4-09 - - - _ LAKE WASH. BEACI LIFT STATION Priority: near -term Completion: 2014 NE 23r St E"E210 St w of NE 2Cth t. o NE 20 171 C o NE 16th; T f ,�t 21 0 � � 1 N loth St. o 4 V x. 11�I1 Q N 8th St. - 1� REVIEW DRAFT - January 2009 6-43 4.10 Lake Washington No. 2 Lift Station Rehabilitation System Deficiency: The Lake Washington No. 2 Lift Station was rebuilt in 1994. This is a permanent station. The expected life of a sewage pump station is 25 years. Lake Washington No. 2 will be 25 years old in 2019. Improvement: Rehabilitate the existing lift station. • Cost: $200,000 Priority: mid-term • Beginning:2019 Completion:2019 - - - - - _ - w _ ----_ _ _ -- NE 48 it. SE 76fh St. a CL -- _ _ — — --- � SE 77t P. 1h -_-===--I C__j" Sr 80th SI,'A LE atf� — I NE 43rd I ---�- �`— I --- _ _IF/ ON# N 40th St Q NE 40th St y - - - - N 38(h S# Q\ SE 86th - - o N 37th —J r - - NE 36th 1 -- -- � N 36 St � _SE 88th REVIEW DRAFT - January 2009 6-44 4.11 Long Lift Station Rehabilitation/Re lacement System Deficiency: The Long Lift Station was built in 2001. The expected life of a sewage pump station is 25 years. The Long Lift Station will be 25 years old in 2026. Improvement: Rehabilitate/replace the existing lift station. • Cost: $300,000 Priority: long-term • Beginning.-2026 Completion:2026 SE 9sth 21 si Si h Nd �51_ �-�-_-�� 4F.- 1 1-5fh 9$th St LONG L`-- _ UET S`fTA' 9TsI�dON0 N25thPfNE 26th g 'TIN 3rd p E 741h � L ME 23rd PI 1 r 'F 22nd P ` � 22c•d ��r, CI J ` 4 2.qd St , NE 22r q P N LE?Ist St NE20 i NE19thSt n �<NE1 J , � R P! N1:0 Whitman ��N 17( Nr �4 - 77--rr �(�j� oli—.. A I =� I I C �2 th Ct I NE N NE Z4th S# ._�t � N- 291 J r -- NE 23,e JJJl NE 23,dd i NE 23rd t r 22nd PI NE 21;t \� N2 st Pam-- -} NE 72 Ct 215t S 1s it IE 19th �- ,"`E 20th f a SE 1 7th PI I v� r REVIEW DRAFT - January 2009 6-45 6.3.5 Black River Basin 5.01 Talbot Crest Lift Station Rehabilitation System Deficiency: The Talbot Crest Lift Station, which serves a residential development along Talbot Crest Drive, was replaced in 2001. Expected life of a sanitary sewer lift station is 25 years. As such, this station should be scheduled for rehabilitation in 2026. Improvement: Rehabilitate the existing lift station. • Cost: $200,000 Priority: long-term • Beginning:2026 Completion:2026 i YOt SW 12ih St_ L.� �jazgvm SW 23rd S! SW 27!h St oSW ;nth S 30th 5t �I a' ll c �. SE �61h H (Q SF 'S1s[ Si � j Sf 1 7 Si -A L J R <� 4- 166th 51� sir lv �F,, ..... st I REVIEW DRAFT - January 2009 6-46 5.02 Thunder Hill Interceptor Replacement 1 Rehabilitation System Deficiency: The Thunderhill Interceptor was installed in 1964 and is comprised of 10, 12, and 18-inch concrete sewers, which will be approaching the end of their useful life and need to be replaced before structural failures occur. This project involves replacement of approximately 11,000 lineal feet of existing gravity sewer. Improvement'. Replace existing Thunderhill Interceptor. • Cost- $2,500,000 Priority: near -term • Beginning:2014 Completion:2016 - SW ,L f N . _ SiJ SW Grody WaY f - -- - -"'� r51 5.02 IJ � A 191h St S 19th 5t�� SW 21st St L 5 T Wlcge P1 L � � slit St �o C �5 18th �1 �a o [] S 21st St a� 77 S 18th REVIEW DRAFT - January 2009 6-47 5.03 Benson Road Interceptor System Deficiency- The Benson Road Interceptor was installed in 1962 and is comprised of 8-inch concrete sewers, which are approaching the end of their useful life and need to be replaced before structural failures occur. This project involves replacement of approximately 5,500 lineal feet of existing gravity sewer. Improvement: Replace existing Benson Road Interceptor. • Cost: $1,300,000 Priority., mid-term Beginning: 2022 Completion: 2023 �kh - UU, Sk yzU SW 1W 51 IM 161h P �'Flh 5M Ch Ski V DT :z 'n 512 SVP 23,d St t 5.0.1 S I 2tth Sr Ch S: 2 1h S1 1551, N' IMh 5' nm st Mt, 4Si 'tath 3! 32'a N —IFIF11 zL 5! REVIEW DRAFT - January 2009 6-48 5.04 SW 34th Street Interceptor Capacitv Analvsis System Deficiency: This project involves the analysis of approximately 3,600 lineal feet of existing 8-inch gravity sewer. Based upon the sanitary sewer model and the capacity analysis performed in 2001, the existing sewers appear undersized to accommodate the area that can be potentially served with this interceptor. Improvement: Determine the capacity of the existing sewers that serve this area and determine need and schedule for upsizing. • Cost: $100,000 Priority: near -term Beginning: 2009 Completion: 2009 I SW 27th St S �.� 2 ' + M SW 2Ph S I r fh =D1 �n i j SW 30th St 1131St I ��, 5 32nd PI - c 5 2nd NI 111 sw 3dtn st L �� s 3a1h s 1 I SW 341h S � d 5.04 pje I a � � S 36th I °' S371h Sf r 9th St S'w h I j S 3&4 t s, I g Sw 41s1 St- SW d?st St � i r b at I y � ✓�' S 1791h 5;_ �W 43rd St. SW 43rd S{. Pa �11I� 181s1 [SW ` 43rd St — f — S 43,id SI S 182nd 45tn PI REVIEW DRAFT - January 2009 6-49 5.05 Talbot Road Interceptor Capacity Analysis System Deficiency: The existing Talbot Road Interceptor is potentially undersized to serve this basin. These existing 8-inch sanitary sewers may need to be replaced with 12-inch pipe. This project involves the analysis approximately 4,000 lineal feet of existing gravity sewer. Improvement: Analyze the capacity of the interceptor to ensure proper service of this area. • Cost: $100,000 Priority: mid-term • Beginning: 2017 Completion. 2017 SW 2M, S! S MIR _S E ir4lh S: -A Nh C) 3,),d P1 I J1, SW 34th st Sw J ih 11 S.05 r. C7= SE 172 d St ZZ F,Pwl� Rd Sf A iN 'iW 416 Sr. 4.kd St. MCI,, P1 SE 111, 9' 107r 5F 'akd FI S1 REVIEW DRAFT - January 2009 6-50 5.06 Lind Avenue Lift Station Rehabilitation System Deficiency: The Lind Avenue Lift Station was constructed in 1978. The station was rebuilt as part of a local improvement district in 1983. The expected life of a sewage pump station is 25 years. Lind Avenue will be 25 years old in 2008. This station is considered a permanent lift station, which will serve existing and future commercial developments within a major portion of the Black River Basin- It does not meet current design codes because it lacks full redundancy of its vacuum priming system- If the vacuum priming system were to fail, the lift station would not operate. In addition, the above grade electrical structures have experienced vandalism. Improvement: The lift station requires rehabilitation and major modifications to improve reliability and in order to be upgraded to a permanent lift station. Cost: $800,000 Priority: near -term • Beginning:2012 Completion:2013 SlY A St �f N ,f ,a�Y i ��� 1��ic�e FI I S'N 121h 51 Mh 9. _ S. 16',h St _ i6�+1g 5[ 11R� 5 16 ! +! � LING AVENUE VI �?,'atn'.._ ! LIFT STATION swr th St ,Sth " 6, I I s `_I�,� � �� 1` SW 23rd S1 $ 7.3'd A 1 _ SE 161'! S: 517 S1 ze _ 5H2/Th—Sl REVIEW DRAFT - January 2009 6-51 6.3.6 Downtown Basin 6.01 Earlington Lift Station Elimination System Deficiency: The Earlington Lift Station currently serves the Black River High School near the intersection of S 132nd Street and S Langston Street. This lift station does not have the capacity to provide service for its projected area. The elimination of this lift station is possible since the completion of the sanitary sewer facilities for the Earlington Ridge Plat. Improvement: Install approximately 1,800 Linear feet of 12 and 15-inch sanitary sewer main and disassemble and remove existing lift station. • Cost: $800,000 Priority. near -term • Beginning:2006 Completion:2008 r' ` 70 St V�Vc,y S 1341:1 Sl " 1 _ i-10 15 3 �_ S :ird S ��= Ti T 5 � a . �, � Sl ^y R ;. Ertlr�, h 1 C0 P. REVIEW DRAFT - January 2009 6-52 6.02 Shattuck Ave S Interceptor Downsizin System Deficiency: The sanitary sewer flows that used to go through this line have been redirected to connect to King County's East Side Interceptor in S 7th Street. This has left low flows in the old 24-inch sewer pipe in Shattuck Avenue between S 4th Street and South 2nd Street. The reduced flows have resulted in septic conditions in the old pipe that require frequent flushing by maintenance crews. This sewer needs to be replaced and downsized. Improvement: Downsize 1000 linear feet of 24-inch sewer main in Shattuck to 8 or 12- inch. • Cost: $200,000 Priority: near -term • Beginning:2006 Completion:2008 vs J t _ Air wt w�� " =n S 132rd St -'N � f R�7 S Tohip Sf Lj )) Ave 3 a / � � I I �' Sr n z� R S 2nd SI S 3rd St L2- P and FI P11 sw srn - illy as � c r 8tJ sw iotn st sa ci�v woy _ S Renton Village PI - �l` St i3kh 121h �J J hSt 1 I. SW I6lh St S I51h SS s �. REVIEW DRAFT - January 2009 6-53 6.03 North Earlington Collection System System Deficiency: Most of the Earlington area north of S 134th Street is currently unsewered. After construction of the Earlington Interceptor or replacement of the Earlington Lift Station, a collection system to serve this area may be completed. Service would require approximately 12,700 lineal feet of 8-inch gravity sewer. Improvement: Construct the North Earlington Collection System. Cost: $2,550,000 Priority: near -term • Beginning: 2014 Completion- 2020 llfilh 3 Ij�yr� '^ S Jul,1L A S 118N Sk SSJ6 �q, !� S Ift 51 I11N I P e Imo`-��. . S 19M 51 e` 11)pY y =S � - Q 5 i PII 5 � 5 120M � -� x �L N, St. L K� 21 IPlsl 7 L_�JLi[C+d.st L'R,.,i 5L b �e � �1Lll//f _ 5 li`7�d 31 113d Y NW ]N SL 5 VI ; S `liM P12Ad 1p1. l{ 11 171� etn S1 N51jn SL 61h St. 5 ililh �I, /- lJI{ kw Slh 111 N SIA SL s 1271n R 1 iw l�� � L fi 9 ����� .. LLJLJJ LEJW� Nhih SL TWA r �a M S 1u,e 51 1 iJ/ R��' q Ave 5 5 tahin 51 N d a 5 iXth 51 Ce aPI Ir- 71 p REVIEW DRAFT - January 2009 6-54 6.04 Airport Lift Station Rehabilitation System Deficiency: System Deficiency: The Airport Lift Station was rebuilt from scratch in 1986. This is a permanent station. The expected life of a sewage pump station is 25 years. Airport will be 25 years old in 2011. Improvement: Rehabilitate the existing lift station. • cost: $300,000 Priority: near -term • Beginning.-2011 Completion:2011 ZiL EAIS�� -_- -=ram —7 5 IISN `U � 0 116N � n sR I I 5 ,191h r'^ s kC &h R w & n nth s<_J� L.� 121 I S�O 121e! �fYl -� L �s 122�e SI t71ne 51. 5 Illal LNE- r ��S 12ke A! 72Le Pf_ 1 6M N at 5 1 � 6F ._ + 111l1h 6kh St h 51. N I 5m�k.} SI2hlh St Ntt`.Rh 5- 60. 1 �I�� 1 + f N LJ l ri 11 N Sl, 51. a. 41f111 a 11 .yen �In St. _ � ae 4N Ifll� jl rnr 1 II{rr /J 13;In J � S � ��q�IIjI a �a ' L�--����� 313tnJ St[— \J - flf� yII�If� -vl W. ��L61�.1 R�(L7tJ� g IHr' sr ]] q�+ 5 t,>zne Sl 5 ✓ �f SE }a S1 g m� -' L {�.,/}/��//�� � 5 7Ee 51 ru � " ���® , �_ �❑f } � �baQD a; n 44 Y REVIEW DRAFT - January 2009 6-55 6.05 Renton Center Sewer Extension System Deficiency: System Deficiency: Existing businesses within Renton Center, fronting Rainier, contribute significant grease to the downstream sanitary sewer system causing backups and overflows. Replacement of the non-standard private sewer system with a City sewer main will allow the City to install testing stations to determine grease offenders. The new main would consist of approximately 800 linear feet of 8-inch sewer. Improvement: Install new sewer main to replace existing, non -conforming private system. • Cost. $240,000 Beginning:2006 S 132nd Priority: near -term Completion: 2008 s ] s7rd sl {L _�I s r�s,n sl f �ctaM � f of 9 �z �! fFj g Z%' SI odar a V REVIEW DRAFT - January 2009 6-56 6.3.7 May Valley Basin 7.01 Misty Cove and Baxter Lift Station Rehabilitation/Replacement System Deficiency: Misty Cove Lift Station currently pumps into the Baxter Lift Station which pumps into the King County Sewer. It may be possible to eliminate one of these lift stations by providing gravity sewer from the Baxter Lift Station to Misty Cove. The Misty Cove Lift Station has sufficient wet well volume to accommodate this change. The City should also investigate pumping each station independently to the King County sewer. Redevelopment in this basin is another factor driving the need to replace or rehabilitate these stations. It is anticipated that Baxter will be replaced as part of the redevelopment of the area, with the City covering costs for oversizing. Misty Cove will be rehabilitated to ensure safe operation. Improvement: Rehabilitate/replace the existing lift stations to improve operation, safety, and reliability of these lift stations_ • Cost: $100,000 Priority. near -term • Beginning:2007 Completion:2008 I SE ?2cd SEIN SC 72nd S� " I SE ; 3rd St Q `-f COVE "fir 4 \` S[ 3r F'I of h t 4 —_ ---_-- /// N% 48 I St. — — — —/� 7.01 C3 `fi h PI , L`zE 751 SL, _ —/— AXTEF IFT STATION `—'mil } SC 77r� N Pi, — --._f — ✓F��fS � �� SF. I{�S�^ �� 801h k- C h — — - ._ = SL_W16 St. L Loh t Jr I W 43rd — — SE 6 Ih �� �(( v N 40th St 38th � I d SF 66tr N S6lfi I� 4F 36; �\ �c�-7C_� -- � sE gat; e N 35 c + r SE 69r n 34th St h c: 33rd Ill St REVIEW DRAFT - January 2009 6-57 7.02 Denny's Lift Station Rehabilitation System Deficiency: The Denny's Lift Station was built in 1983. This is a permanent station. The expected life of a sewage pump station is 25 years and the Lift Station will be 25 years old in 2008. Improvement: Rehabilitate the existing lift station. • Cost: $200,000 Priority: near -term • Beginning: 2012 Completion: 2012 F 72nd A ;D SE?J,d $t KC 48, �t SE 76th Sl.i� — — — — — — DENN yr. LIFT STAM SE Mth Pi nQ SE 770 P! A Wh SF 80th St SE ct)) -I- I NE 43!d F— SF Iq 41:h ST SE S1 881h =K8 5 t lsl 6th N 341, �Sl-f Alh S t sE e, 33rd St 32no St S( 57lj slif REVIEW DRAFT - January 2009 6-58 6.4 PROPOSED CAPITAL IMPROVEMENT PLAN Table 6.4 provides a cost breakdown summary for the near-, mid- and long-term projects and shows that the majority of the capital projects will be completed system wide and within the West Cedar River Basin. Additionally, almost 25 percent of the work will be completed in the near -term. A detailed implementation schedule for each proposed improvement is shown in Table 6.5. The next seven years (2008-2014) are annually represented with the mid- and long term projects included in separate column. The proposed improvements are summarized by basin in priority order, as assigned in Table 6.2. In general, the prioritization of projects fall within the following schedule: near -term = 2014 and prior mid-term = 2015 - 2024 • long term = 2025 - future Table 6.4 Cost. Breakdown Summary Long -Range Wastewater Management Plan City of Renton Basin Near -Term Mid -Term Long -Term Total System Wide $12,590,000 $18,850,000 $26,100,000 $57,540,000 West Cedar River $1,600,000 $300,000 $0 $1,900,000 East Cedar River $10,475,000 $11,700,000 $31,500,000 $53,675,000 Lake Washington East $4,700,000 $3,900,000 $4,300,000 $12,900,000 Black River $1,900,000 $2,900,000 $200,000 $5,000,000 Downtown $1, 750,000 $2,350,000 $0 $4,100,000 May Valley $300,000 $0 $0 $300,000 Total $33,315,000 $40,000,000 $62,100,000 $135,415,000 REVIEW DRAFT - January 2009 6-59 Table 6.5 Detailed Cost Breakdown For Proposed Improvements Long -Range Wastewater Management Plan City of Renton Project Previous Number Proposed Capital Improvements Year 2008 2009 2010 2011 2012 2013 2014 Mid Term Long Term Totals System Wide 1.01 Misc Sewer Projects and Emergency Repairs $120,000 $50,000 $150,000 $100,000 $100,000 $100,000 $100,000 $100,000 $1,000,000 $200,000 $2,020,000 1.02 Lift Station Telemetry Upgrades $100,000 $200,000 $100,000 $400,000 1.03 Maintenance & Upgrade Sewer Hydraulic Model $25,000 $25,000 $25,000 $25,000 $25,000 $25,000 $25,000 $25,000 $250,000 $50,000 $500,000 1.04 Inflow & Infiitration Metering, Investigating, Rehab $300,000 $180,000 $100,000 $100,000 $100,000 $100,000 $100,000 $100,000 $1,000,000 $200,000 $2,280,000 1.05 Sewer Main Replacement/Rehabilitation $500,000 $100,000 $750,000 $2,000,000 $2,100,000 $2,000,000 $1,800,000 $1,000,000 $16,200,000 $25,550,000 $52,000,000 1.06 Long Range Wastewater Management Plan Upgrade $20,000 $20,000 $100,000 $200,000 $340,000 West Cedar River Basin 2.01 Heather Downs/Maplewood Interceptor Improvements $300,000 $1,000,000 $1,300,000 2.02 Cottonwood Lift Station Rehabilitation $300,000 $300,000 2.03 Falcon Ridge Lift Station Rehabilitation $300,000 $300,000 East Cedar River Basin 3.01 East Cedar River Collection Sewers $1,000,000 $1,000,000 $1,000,000 $1,000,000 $1,000,000 $1,000,000 $1,000,000 $1,000,000 $10,000,000 $31,500,000 $49,500,000 3.02 Central Plateau Interceptor $2,225,000 $2,225,000 3.03 East Plateau Interceptor $1,700,000 $1,700,000 3.04 East Renton Lift Station Elimination $200,000 $200,000 3.05 Highlands Lift Station Elimination $30,000 $30,000 3,06 Evendell Lift Station Elimination $20,000 $20,000 Lake Washington East Basin 4.01 Duvall Interceptor $500,000 $500,000 4.02 Westview Lift Station Replacement/Rehabilitation $300,000 $300,000 4.03 Kennydaie Lakefront Sewer System Improvements $500,000 $4,000,000 $4,500,000 4.04 Union Avenue NE Sewer Main Extension $500,000 $500,000 4,05 Sierra Heights Sewer System Construction $200,000 $1,800,000 $2,000,000 4.06 North Renton Intercept Replacement/Rehabilitation $800,000 $800,000 4.07 Lake Washington Blvd. Sewer (2900 Block) $100,000 $100,000 REVIEW DRAFT - January 2009 6-60 Table 6.5 Detailed Cost Breakdown For Proposed Improvements Long -Range Wastewater Management Plan City of Renton Project Previous Number Proposed Capital Improvements Year 2008 2009 2010 2011 2012 2013 2014 Mid Term Long Term Totals 4.08 StonegatelSummerwind Flow Diversion $800,000 $2,700,000 $3,500,000 4.09 Lake Washington Beach Lift Station Rehabilitation $200,000 $200,000 4.10 Lake Washington No 2 Lift Station Rehabilitation $200,000 $200,000 4.11 Long Lift Station Rehabilitation/Replacement $300,000 $300,000 Black River Basin 5.01 Talbot Crest Lift Station Replacement $200,000 $200,000 5.02 Thunder Hill Interceptor Replacement $1,000,000 $1,500,000 $2,500,000 5.03 Benson Road Interceptor $1,300,000 $1,300,000 5.04 SW 34th Street Interceptor Replacement $100,000 $100,000 5.05 Talbot Road Interceptor Capacity Analysis $100,000 $100,000 5.06 Lind Avenue Lift Station Rehabilitation $200,000 $600,000 $800,000 Downtown Basin 6.01 Earlington Lift Station Elimination $800,000 $800,000 6.02 Shattuck Ave S Interceptor Downsizing $200,000 $200,000 6.03 North Earlington Collection System $200,000 $2,350,000 $2,550,000 6.04 Airport Lift Station Rehabilitation $300,000 $300,000 6.05 Renton Center Sewer Extension $250,000 $250,000 May Valley Basin 7.01 Misty Cove/Baxter Lift Station Replacement $100,000 $100,000 7.02 Denny's Lift Station Rehabilitation $200,000 $200.000 TOTAL_ ANNUAL COST $7,140,000 $4,125,000 $3,625,000 $3,625,000 $3,625,000 $3,625,000 $3,625,000 $3,925,000 $40,000,000 $62,100.000 $135,415,000 DEVELOPER/LID COST $1,000,000 $1,000,000 $1,000,000 $1,000,000 $1,000,000 $1,000,000 $1,000,000 $1,200,000 $12,350,000 $31,500,000 $52,050,000 TOTAL. CITY SHARE $6,140,000 $3,125,000 $2,625,000 $2,625,000 $2,625,000 $2,625,000 $2,625,000 $2,725,000 $27,650,000 $30,600,000 $83,365,000 Notes: (1) Project Cost Estimates Are In 2008 Dollars. REVIEW DRAFT - January 2009 6-61 Chapter 7 OPERATIONS AND MAINTENANCE 7.1 INTRODUCTION The following chapter summarizes the City's current operation and maintenance (O&M) program, organization structure and staffing, and future program needs. This chapter establishes the duties, discusses the manhours required, and spent on each O&M program and records the current preventative maintenance schedule_ 7.2 ORGANIZATION STRUCTURE The sewer utility operates under the direction of the Public Works Administrator. The Wastewater Maintenance Supervisor reports to the Wastewater Manager who intern reports to the Maintenance Services Director. The Wastewater Utility Engineering Supervisor reports to the Utility Systems Director. The Utility Systems Director and the Maintenance Services Director report to the Public Works Administrator, Figure 7.1 shows the City's O&M organization structure. The Wastewater Maintenance Supervisor and Wastewater Manager evenly divides their duties, overseeing the O&M of the sanitary sewer and storm water systems. There are two Lift Station technicians and five Maintenance Services workers responsible for the operation of the sanitary sewer system. The Wastewater Utility staff is responsible for design and management of capital improvement projects, coordination of developer extensions of the sewer system, and long range planning for the Utility. The Wastewater Utility Engineering Supervisor oversees the Wastewater Utility staff. The Wastewater Utility Engineering Supervisor is also responsible for the management of the City's Technical Services Section. Time division between the two sections is 60 percent Wastewater and 40 percent Technical Services. The Wastewater Utility staff consists of two engineering project managers, one grease/industrial waste specialist and a 0.5 full-time employee (FTE) GIS specialist. 7.3 STAFFING The wastewater utility is staffed by both Maintenance and Operations and Engineering teams. The primary roles of each team, summary of programs, and estimated staffing levels are summarized in the following sections. REVIEW DRAFT - January 2009 7-1 I Public Works Administrator Utility Systems Director Wastewater Utility Engineering Supervisor 1 Engineering Project Managers (2) Grease / Industrial Waste Specialist (1) GIS Specialist (5) .e- ^ _-2 r#•1/s Wastewater Services Director Wastewater Manager Wastewater j Maintenance Supervisor Ut Station Technician (2) Wastewater Maintenance Services Worker (5) FIGURE 7.1 OPERATIONS AND MAINTENANCE ORGANIZATION STRUCTURE LONG-RANGE WASTEWATER MANAGEMENT PLAN City Of Renton 7.3.1 Maintenance and Operations Staff The current staff organization is described in Section 7.2 of this chapter. There are at present eight full-time employees (FTE), including supervisory personnel and maintenance workers, who operate and maintain the sanitary sewer system. The tasks that are performed by sewer utility staff include inspection, testing, installation and repair of system facilities and preventive maintenance, corrective maintenance, record keeping, administrative tasks, training, and response to emergencies. Wastewater Maintenance has developed a program to maintain the existing system. First level of priority is the inspection and maintenance of the portions of the system that are known to have problems if not handled on a weekly, monthly, quarterly, or annual basis. This includes the inspection and maintenance of lift stations, areas of known root problems, and areas of known grease problems. The second level of priority is the routine inspection and maintenance that is required to identify any additional high priority maintenance issues and to find potential random issues that may cause problems for the customers. The second level of priority include television inspection of the system and hydraulic line cleaning. It is typically recommended by insurers involved with utility system management that, in order to minimize claims against the utility, that the entire system should be inspected approximately every five years. Since line cleaning is performed prior to television inspection, this would also mean the entire system is cleaned approximately every five years. The estimated hours of work required to adequately maintain the sanitary sewer system are shown in Table 7.1. For maintenance activities, the annual hours total 13,735. The hours of work required for operational tasks for the sanitary sewer system are shown in Table 7.2. For operational tasks, the annual hours total 3,346. For adequate maintenance of the sanitary sewer system, the City would need a total of approximately 17,081 hours (the sum of maintenance and operational tasks) worked per year. The City spends approximately 14,350 hours per year on operations and maintenance. This is approximately 2,731 hours short of the hours estimated to operate and maintain the sanitary sewer system. The first level priority tasks are being completed. Routine inspection and maintenance are falling behind. This increases the risk of problems with the system. The City must evaluate the risk and determine if additional staff is required to meet this workload. As the City's capital projects have focused on capacity related improvements, this has required additional main repair and maintenance. As staff has focused on preventative maintenance, other activities have received less attention. This is an issue that needs to be evaluated in more detail beyond this Plan_ REVIEW DRAFT - January 2009 7-3 Table 7.1 Staffing Time for Maintenance Activities Long -Range Wastewater Management Plan City of Renton Time Preventative Frequency of Required per Time Spent Maintenance Maintenance Quantity Year per Year Lift station inspection Twice per weekly 23 LS 1,196 hours 1,200 hours Lift station monthly cleaning and (cleaning), annually 23 LS 1,936 hours 1,950 hours maintenance (maintenance) Critical Manhole Weekly 89 MH 896 hours 900 hours inspection, repair and maintenance Root cutting Quarterly 28,262 LF 640 hours 640 hours Grease removal Quarterly 25,520 LF 640 hours 620 hours Repair sewers and As Needed As Needed 416 hours 440 hours clear plugs General Manhole Annually 5,107 MH 1,698 hours 1,260 hours inspection, repair and maintenance Video inspection Annually 201,000 LF 3,216 hours 1,500 hours Hydraulic line Annually 201,000 LF 2,297 hours 1,700 hours cleaning Easement & Annually 24,000 LF 800 hours 650 hours access road maintenance Total for Maintenance Activities 13,735 hours 10,860 hours Notes: LS = lift station, LF = linear foot, MH = manhole The size of the maintenance crew should be increased to carry the full workload of the Utility without neglecting preventive maintenance, emergency preparedness, record keeping, or safety precautions. Further staff increases should be tied to the actual growth of the sewer system. Over the last ten years the City has added approximately 13,000 feet of sewer per year to the system. An expansion of the system requiring new service connections and/or additional facilities, without enlargement of the staff, will result in diminished levels of service for all maintenance programs. In view of predicted population growth in the service area over the next several years and the growing demand for sanitary sewer service, an increase in the size of the sewer system could be projected to continue at a similar rate of growth. With that increase in demand, there may be a need for additional staff. REVIEW DRAFT - January 2009 7-4 Maintenance and technical staff additions may be accompanied by additions to the clerical, secretarial, and other support staff needed to ensure that record keeping, billing, public relations, communications, and other general functions of support staff are performed with the accuracy and timeliness required. Table 7.2 Staffing Time for Operations Tasks Long -Range Wastewater Management Plan City of Renton Task Time Required Approximate Time Operations Tasks Frequency per Year Spent per Year Administrative duties Daily 1,560 hours 1,565 hours Emergency response As needed 566 hours operations Tool and equipment cleaning Once per week 364 hours 312 hours Staff meetings and Cleanup Daily 910 hours 725 hours Training and conferences Annually 512 hours 322 hours Total for Operations 3,346 hours 3,490 hours 7.3.2 Wastewater Utility Engineering Staff The current engineering staff organization is described in Section 7.2 of this chapter. Currently the Wastewater Utility has 4.1 FTE's involved in engineering tasks. The engineering staff is responsible for two major tasks, administrative, and capital improvement projects. The various tasks and the hours of work required are shown in Table 7.3. The number of hours required for each task is not easily defined; therefore, workloads have been estimated based on a FTE. Administrative tasks require approximately 2.4 FTE's. Additional administrative tasks that are recommended in this plan are (1) prepare new ordinances and revise existing ordinances, (2) setup and administer grease trap management and certification ordinance, (3) inventory and update hydraulic computer model, and (4) perform computer analyses using the sewer system hydraulic model. These tasks will require additional City staff or other resource staffing alternatives. Maintaining the system inventory data, data coordination with the hydraulic model and development of an asset management program with the maintenance management system for the Wastewater Utility is a key area that may not have current staffing resources available. The City should look at the need to convert the 0.5 FTE GIS specialist to a full FTE for this work. REVIEW DRAFT - January 2009 7-5 Table 7.3 Wastewater Utility Engineering Staff Time Long -Range Wastewater Management Plan City of Renton Tasks/Projects FTE ENGINEERING TASKS Section Supervision 0.35 FTE's Latecomer's Agreement Administration 0.10 FTE's Plan Review Support 0.30 FTE's Comprehensive Sewer Plan Update 0.20 FTE's Customer Service Support 0.20 FTE's Support to Other Divisions/Departments/Agencies 0.25 FTE's FOG I Industrial Waste Program 1.00 FTE's Total Administrative Time 2.40 FTE's MAJOR CAPITAL IMPROVEMENT PROJECTS 1.70 FTE'S TOTAL ENGINEERING TIME 4.10 FTE'S 7.4 DEPARTMENTAL COORDINATION The Wastewater Utility utilizes the services of other City departments, according to inter- departmental agreements, to augment the Wastewater Utility's expertise. The Finance and Information Services Department is responsible for customer billing, payment collection, project cost reporting, fund activity reporting, and basic computer needs. The Human Resource and Risk Management Departments are responsible for employee records, union labor negotiations, salary schedules, and risk management evaluation. Within the Public Works Department, the Wastewater Utility utilizes the services of the Technical Services Section. Technical Services provides support to Wastewater through Mapping and Property Services. This includes CAD mapping, development of the City's geographic information system, surveys, and property management. Within the Department of Community and Economic Development, the Wastewater Utility utilizes the services of the Development Services Division. Development Services provides plan review, permit issuance, and inspection for developer extensions. They also provide inspection service for the Utility's Capital Improvement Projects. 6311-All Providing time for keeping and maintaining accurate records should be an integral consideration in determining the time to be allotted to any departmental task. Adequate records are an essential tool in utility management and operation, providing the supporting REVIEW DRAFT - January 2009 7-6 data for operations assessment and long-term planning, while saving time and reducing difficulty when trouble arises. Currently, the City's management software is outdated and hard to utilize for today's environment with multiple tasks for each component. The City plans to purchase a maintenance management system to better track time for each system component. The sewer utility has need for several types of records: Facility operation, personnel, customer contact, inventory, and facility maintenance and repair. These and other appropriate documents should be legible, concise, permanent, accurate and accessible_ Their importance to the efficient functioning of the utility is critical. Up-to-date maps of the sanitary sewer system are important for O&M. Changes or additions to the sanitary sewer system should be added as they occur. The City maintains an updated GIS map of the sanitary sewer system that is useful to the O&M staff. These utility maps, printed in 1 "=400'books and 1"=800' wall maps, show the sanitary sewer size and location, manhole location and number, cleanout location and number, and lift station and force main locations. The City is also developing a geo database inventory of the sewer system that links the GIS maps with the as -built drawings. As -built drawings of much of the existing sanitary sewer system and private side sewers are kept on file by the City. Some of the original maps are stored in the Utility Systems Division at City Hall and because of storage constraints, some are stored at the City's maintenance facility. This information is available in both hard copy and as scanned images available to be viewed on a computer. The O&M staff uses this data to provide location information for sanitary sewer lines and service connections. Plat maps or construction drawings for new sanitary sewer extensions within the distribution system should continue to be kept for the sanitary sewer system and added to both the CAD and database systems. The Wastewater Utility is currently working to get its as -built data into a central database, such as ESRI, to allow for improved methods of accessing the data, updating the data, and use of the data. 7.5.1 Telemetry Successful operation of any municipal sewer system requires that the municipality maintains a comprehensive maintenance program and that they obtain accurate sewage flow rate information. A telemetry and control system is the means by which flow rates are measured and maintenance needs are updated_ A radio -based telemetry system was completed in 1996 to replace the City's existing tone telemetry system. Each lift station is controlled by a digital based Remote Telemetry Units (RTU) to allow custom control to match the characteristics of each individual lift station. The telemetry system provides a method for logging and controlling the entire City's lift stations from a central location at the City's Maintenance shops_ Operating data from each REVIEW DRAFT - January 2009 7-7 lift station is stored on a Master (data -logging) Computer for record and later use. This information is used in a comprehensive maintenance program to help eliminate costly station down time that can often cause damage to adjacent property owners and the environment. The control algorithms located on the Master Computer and the BTUs can be used as trend analysis to detect possible problems earlier. The Master computer displays wet well sewage levels and time to overflow data for all of the City's 25 lift stations (two of the 25 stations are storm water stations). This information can be used to help manage the lift stations in a citywide power interruption that could occur after a natural catastrophe. The telemetry system can be monitored and controlled by a remote computer link using specialized software. The pumps main control system is controlled from a level sensor in the wet well. A back-up float switch system has been installed at most of the lift stations to provide redundant protection from costly overflows in the event of control failure. Smaller stations, serving twelve or fewer single-family homes, may utilize floats as the main control system. The master telemetry unit, located at the City Shop, includes an intelligent telephone dialer alarm system, so that critical alarms can be relayed to on -duty maintenance personnel, even during a telemetry system failure. 7.5.2 Asset management Currently, the City does not own an asset management program_ The City currently plans to purchase a new software system for maintenance management software (EAM). This system will be the first stage of the City's asset management system in coordination with the City's GIS database and hydraulic model. 7.6 CURRENT OPERATION AND MAINTENANCE PROGRAM Duties involved with running the Wastewater Utility are divided into O&M programs. These programs are discussed in the following sections. 7.6.1 Maintenance The maintenance program is composed of both preventative and corrective maintenance. Preventive maintenance uses planned and scheduled activities to ensure smooth, continuous operations of equipment and facilities. Maintenance schedules, that meet or exceed manufacturer's recommendations, should be established for all critical components in the sanitary sewer system. The City's new sewer telemetry system provides automated data collection and record keeping of lift station functions. Physical inspections of the stations are still an important tool in maintaining the system. The preventative maintenance programs include: lift station inspection and maintenance, manhole inspection and maintenance, video inspection, root cutting, grease removal, and hydraulic line cleaning. Corrective maintenance is that which improves the performance of existing equipment, REVIEW DRAFT - January 2009 7-8 facilities and infrastructure. The corrective maintenance program is mainly composed of repairing sewers and clearing plugs. The following section describes the O&M program for each category outlined in Table 7.1. 7.6.1.1 Lift Station Inspection and Maintenance The City maintains 23 lift stations throughout the system. The City has assigned two staff members to the maintenance activities. The two members do not have any backup staff members. The following describes the inspection and maintenance program for the sewage lift stations and wet well facilities: Sewage Lift Stations Inspection and Maintenance The City has on -call staff 24-hours per day. They also perform a daily inspection of the telemetry at each station. Every week the City performs an inspection of each lift station. This weekly inspection includes a security check, recording pump motor hours, checking motor noise, temperature, and vibration. The City changes all filters, cleans electrodes, exercises all valves, and runs each emergency generator on a monthly basis. On an annual basis, the City checks the pump bearings and seals, tests the entire electrical system at each station, and performs an infrared test of the system. Wet Well Facilities On a weekly basis, the City checks the security, float settings, and operation of each wet well. The City washes down each wet well, checks the interior condition, ladders, hatches, etc. in each. The City performs a pump down of each wet well once a year. They take this time to clean the wet well. The lift station crew uses a vehicle equipped with a crane to lift pumps, equipment, utility compartments for parts, tools, etc for the lift station maintenance program. 7.6.1.2 Manhole Inspection and Maintenance The City has identified 89 problem areas in the collection system. The City's personnel inspects the sanitary sewer manholes in those areas weekly for the following situations- 1 . A visual guarantee of proper sewage conveyance. REVIEW DRAFT - January 2009 7-9 a. Clean lines when flow in sewers is reduced. 2. Assessment of the state of solids buildup in manhole wet wells. The examination works in conjunction with the hydraulic line cleaning and video inspection programs (to be discussed later). 3. Verification of the condition of the manhole lid/cover and support rings for wear and stability. The City replaces wom rings and lids as needed. 4. Visual affirmation of condition of sewer channels and ladder rings. The City inspects the remaining manholes in conjunction with the video inspection program. Maintenance staff perform the same inspections and maintenance on those manholes at that time. The City uses a line service truck for inspection and repair of manholes and lines. It carries parts used in sewer line repair and repairs to manholes are made as needed. 7.6.1.3 Video Inspection Routine video inspection of the sanitary sewer system is an essential part of the maintenance responsibilities. Structural correction and obstructions are the primary cause of line failure in sanitary sewer pipes. Routine inspections of the lines are crucial to be aware of potential trouble spots. Sewage spill claims have proven to be a very costly type of litigation for municipalities to deal with and routing video inspection of the sewer system is the first line of defense. The video inspection unit is a closed-circuit color TV system used for inspecting sanitary sewer and storm drain fines. Its primary use is to determine conditions of existing lines and any repairs or replacements necessary. The TV van is an important part of the maintenance program to help determine priority areas that require further attention and maintenance. 7.6.1.4 Root Cutting Routine sewer facility inspection commonly identifies root intrusion within both private and public sewer mains. If the problem is within the City right-of-way, the City will correct the problem and remove the root. A hydraulic root cutter is used to routinely remove roots that accumulate within sewer lines creating flow restrictions and blockages. Numerous lines throughout the City have been examined and discovered to have had a history of problems created by roots. These particular lines are rodded more frequently to ensure there is no interruption of flow. 7.6.1.5 Grease Removal Grease problems are typically associated with major food processing operations, the majority of which involve restaurants where grease is a component of the wastewater. REVIEW DRAFT - January 2009 7-10 Many of the older restaurants within the City do not have grease removal systems. Newer restaurants have been and will continue to be required to install grease removal systems. However, many grease removal systems are not properly maintained. Grease buildup problems occur most often in the side sewers. However, some grease buildup problems also occur in the sanitary sewer collection system. When problems do occur, the City maintenance crews are usually called out to investigate. A proper monitoring program reduces maintenance time involved in removing grease buildup. The City has achieved moderate success in noting problems and identifying the sources. The Wastewater Utility has also worked with new construction and tenant improvements to ensure that these users are installing proper grease removal systems and/or bio-agent facilities. The City has recently started a grease removal program for standard food - services establishments and multifamily housing to improve grease collection at these facilities. This program needs continued effort to implement the program to new establishments. 7.6.1.6 Hydraulic Line Cleaning The sewer lines are cleaned with a vacuum -high velocity cleaning/jetting truck, which performs two primary functions: vacuuming and jetting. Jetting a sanitary sewer pipe is the principal means of cleaning the line portion of the sewer of sludge, debris, or obstruction. A hose with a special end fitting is inserted into a pipe and high-pressure water (up to 2,500 pound per square inch) is sent through the hose_ The high-pressure water exits the small hole at the tip of the cone fitting, breaking down the sludge and obstructions. The hose is propelled down the length of the pipe via the numerous other holes found in the end fitting. The hose is inserted through a manhole into the pipe and the line is jetted to the next manhole. The hose is then retracted via a motor driven reel system, back to the entry manhole. All of the sludge/debris is scoured toward the entry manhole because the spraying water forces it in that direction and is vacuumed out as required. There are a number of lines in the City that have inconsistent grades creating septic conditions within the tines. A part of the maintenance program is to use the Vac -Con to flush water through these particular lines periodically to prevent those conditions from occurring. The Vac -Con is the primary equipment used for emergency blockages in the lines and is used to assist TV inspection. 7.6.1.7 Repair Sewers and Clear Plugs When problems with the sewers are identified through the preventative maintenance program described above, repairs are made to the infrastructure or clogs are removed. The preventative maintenance program is efficient and typically represents only 1 percent of the maintenance manhour allotment. The City spends approximately 106 hours clearing plugs and 334 hours repairing sewer lines. REVIEW DRAFT -January 2009 7-11 7.6.1.8 Easements and Access Road Maintenance In addition to public roads, the City operates, maintains, repairs and constructs sewer mains, and lines in, over, along and under roads and easements located within the sewer service area. As the utility performs work within the easements, minor roadwork and improvements are necessary. All work done within the easements shall be done in accordance to any permits and City and County standards. 7.6.2 Operations The sewer utility has a comprehensive system operation manual describing system operational procedures. Although this manual is outdated, the City has maintained the policy of requiring complete O&M manuals for all new equipment and facilities. It is recommend that the O&M manual be updated on a routine basis. The following section describes the operations program outlined in Table 7.2. 7.6.2.1 Administrative Duties The key administrative duty of the City's operation staff is to establish routine operation duties and schedules. Routine operations involve the analysis, formulation, and implementation of procedures to ensure that the sanitary sewer facilities are functioning efficiently. The utility's maintenance procedures work well. Repairs are made promptly so customers do not experience unnecessary inconvenience. Additionally, the operations staff establish emergency operations procedures for operation during such emergencies. The primary objectives of these procedures are to ensure public safety, restore essential services as quickly as possible, and to provide assistance to other areas as required. Emergency operations are described in the following section. Side sewer maintenance is a major problem within a sanitary sewer system. It is the City's policy that individual property owners are responsible for maintaining their side sewers. If a problem occurs, it is the property owner's responsibility to contact a private plumber to investigate and correct the problem. 7.6.2.2 Emergency Operations Emergency operations are the unplanned and unscheduled tasks needed to keep the system in operation. This would include responding to sewer blockages, pipes broken by construction, and damage to the system by acts of nature. All of the maintenance staffs are also available to aid any of the other sections with additional manpower or equipment. The Wastewater Maintenance staff also has the responsibility to keep the system operating when there are power or mechanical failures at lift stations. The City's telemetry system allows for 24-hour remote monitoring and access to the system by the crew. With this access, they can be alerted to a problem and correct it remotely, determine that it can wait REVIEW DRAFT - January 2009 7-12 until the next shift, or mobilize the necessary manpower and equipment. The City follows all Department of Ecology guidelines for emergency notification procedures. 7.6.2.3 Tools and Equipment Cleaning Sewer maintenance staff is equipped primarily with City -owned equipment. The equipment available for daily use includes rolling stock, shop tools and incidental equipment as well as other portable equipment for field use. The vehicles and other rolling stock are listed in Table 7.4 with a description of their primary use in the department. A description of each vehicle and its uses is presented below. Tools & Equipment -- Rolling Stock Daily: Check all fluid levels and brakes As Needed: Replace fluids and filters in accordance with manufacturer's recommendations (or more frequently depending on type of use) Tools & Equipment -- Tools As Needed: Clean after each use; lubricate and maintain as necessary. The existing inventory appears adequate at current staffing levels, but should increase in proportion to customer increases. The City should examine the backup capabilities of the inventory, based on critical equipment or facility failure, and make provisions for additional material procurement on a short notice basis where necessary. Table 7.4 Wastewater Utility Department Equipment Long -Range Wastewater Management Plan City of Renton ROLLING STOCK Year Vehicle Description Comment 1999 Ford Ranger pickup Used by the supervisor 2004 Ford Flat Bed Dump Service Truck General use 1997 Ford Service Body Truck General use 2007 Ford Service Body Truck 2007 truck used for lift station maintenance program. 2002 Ford Step van Used for closed video inspection program 2004 International Eductor Truck Vactor Brand used for the hydraulic line cleaning program. 1996 Mechanical Rodder Used for root cutting program REVIEW DRAFT - January 2009 7-13 Table 7.4 Wastewater Utility Department Equipment Long -Range Wastewater Management Plan City of Renton OTHER EQUIPMENT Amount Equipment Description Comment 3 Portable generators 3 Weed eaters 1 Hedge trimmer 2 Trash pumps 1 Chain saw 7.6.2.4 Staff Meetings, Conferences and Training Efficient and economical functioning of a team requires adequate provision for regular, effective communication among its members. The normal channels of communication available to maintain effective coordination are: Vehicular two-way radios 2. Cellular Telephones 3. Electronic Pagers 4. Regularly kept work logs 5. Regular inspection reports 6. Daily work assignment meetings 7. Inventory and other record keeping practices 8. Emergency phone numbers for "on -call" employees 9. Direct, City -owned telephone connection to City Hall 10. Weekly staff meetings As the complexity of the system increases and as the service area expands, the need for trained efficient staff to keep pace with public demand and advances in technology will become imperative. New employees need orientation and basic information; while more experienced employees can improve by continued training. Training opportunities are of such importance to effective operation of the system that Renton has linked them to its overall personnel evaluation program. Employees are evaluated and promoted through a set of job categories with pay commensurate to the category. It is essential that the promotional program continue to be closely linked with the training program, not only because it promotes efficient operation, but also because mandatory certification of wastewater utility workers is required by the state. The State REVIEW DRAFT - January 2009 7-14 Department of Health stipulates qualifications and training requirements for obtaining and maintaining certification. 7.7 FUTURE OPERATION AND MAINTENANCE NEEDS The City's is considering adding the following items to the improve the function of the current O&M program: • Purchase software for maintenance management system. This will enable the City to better assess and manage their assets. This software will be the beginning of the City's asset management program. • Research assessed management programs and develop recommendation for the City that incorporates the new maintenance management system, the City's GIS data base, and the hydraulic model. • Update the City's existing Operation Manuals to account for regular and emergency operation practices. • Further develop a Grease program to reduce the introduction of grease into the City's sewer system. • Evaluate the addition of new staff to enable the City in completing their yearly operations and maintenance goals. • Establish a succession plan and mentoring program. REVIEW DRAFT - January 2009 7-15 Chapter 8 FINANCIAL ANALYSIS This chapter considers the financial impacts that the Capital Improvement Program (CIP) and Operation and Maintenance Program, recommended in Chapters 5 and 6 respectively, will have on the wastewater utility's budgeting process. The proposed wastewater utility CIP consists of the rehabilitation, replacement and new construction of sewer facilities that are necessary to meet the policy goals stated in Chapter 3, the design standards and criteria and the service needs that will result from anticipated growth presented in Chapter 4. This chapter also presents a financial analysis of the wastewater utility that identifies its historical and projected future expenses and compares them to available and projected revenues in order to determine the necessary rate adjustments. A utility rate model that evaluated the operation of the 406 and 426 funds and made specific rate recommendations was completed as part of the 2007 Utility Rate Study completed by FCS Group for the City's Wastewater, Water, and Surface Water Utilities. This model took the previous model developed by EES Consulting in 1994 and updated all assumptions and projections to reflect the current financial policies for the utility. Current 2008 dollars are used to project the costs of operations, maintenance, and capital improvement programs. However, several factors may affect the accuracy of those projections. The most significant factor is inflation. Although we cannot predict the exact amount inflation will increase costs, inflation rates were assumed to range between 3 and 7 percent and are summarized in Table 8.1. Additionally the City cap on budget increases was assumed to be 2 percent and fund earnings were assumed to be 3.5 percent. Other factors that may affect future costs that we have not included in our cost estimate are contractor availability, technological advances, and changes in laws and policies. Table 8.1 Inflation Rate Summary Long -Range Wastewater Management Plan City of Renton Cost Class Assumed Growth Rate General Costs 4% Construction 5% Labor 3% Benefits 7% General Inflation + Growth 5.56% REVIEW DRAFT - January 2009 8-1 8.2 PAST FINANCIAL PERFORMANCE Table 8.2 compares the 2008 budget for wastewater operations to the 2006 actual spending and the 2007 budgeted expenses. As shown in Table 8.2, the City is expecting a 14.3 percent increase in revenue sources primarily due to a 12.6 percent increase in charges for goods and services. The City is also planning for a 14.3 percent increase in expenditures. The largest increase in expenditures is from regular salaries, benefits and debt services. Table 8.3 summarizes breaks down the 2007 budget into operating and CIP expenses. 8.3 CURRENT REVENUE The primary revenue source for the City is through charges for goods and services. These charges are divided into three categories: rates, charges and fees. 8.3.1 Rates Table 8.4 summarizes the City of Renton and King County wastewater rates for single- family and other uses. The City charges single-family connections a monthly fee of $15.55 for collection and transport while King County charges single-family connections a monthly fee of $28.51 (which includes a $0.56 rate adjustment charge collected by the City of Renton to make up for the billing methodology used by King County) for treatment and disposal. For other uses, including multi -family and commercial entities, the wastewater treatment charges are based on the volume of wastewater discharged with a minimum monthly charge equal to the single-family connection charge. 8.3.2 Charges The City's policy is to pay for the expansion of the sewer system through future connection charges or system development charges (SDCs). The City's share of the total CIP charges for the years 2008 through 2012 were divided into development charges and major maintenance costs (as shown in Table 8.10). These development charges were added to the existing system development charges to establish the development charges for the future system. This cost was then evenly distributed amongst the equivalent residential unit (ERU) of the entire future system (in the year 2012) to establish the SDC as shown in Table 8.5_ Using this method, the base SDC charge is $1,591. Table 8.6 shows the allocation of the SDC charges based on meter size. In addition to the SDC assessed by the City of Renton, King County also assesses a capacity charge to King County residences connected to the system after February 1st 1990. This charge is billed directly to the residence by King County. Currently single-family King County residences are charged $46.25 per month for 15 years. King County establishes the capacity charge annually and the revised capacity charges apply only to new connections. REVIEW DRAFT - January 2009 8-2 Table 8.2 Past Performance of the Wastewater Utility Operating Fund Long -Range Wastewater Management Plan City of Renton 2006 2007 2008 Change Item Actual Budget Budget 7/08 REVENUE: Other Licenses and Permits 41,374 40,000 58,000 45.0% Charges for Goods and Services 3,962,495 4,819,400 5,428,400 12.6% Interest and Other Earnings 114,349 43,426 40,000 -7.9% Other Miscellaneous Revenues 6,778 24,700 8,200 -66.8% Proprietary Gains and Other Income 34,128 30,000 35,000 16.7% Other Financing Sources 67,828 0 21,212 100.0% TOTAL NEW REVENUE 4,226,952 4,957,526 5,590,812 12.8% TOTAL RESOURCES 4,226,952 4,989,667 5,705,445 14.3% EXPENDITURES: Regular Salaries 656,770 684,408 838,369 22.5% Overtime 32,706 31,495 31,495 0.0% Personnel Benefits 204,517 235,344 388,998 65.3% Part Time Salaries & Benefits 9,591 20,810 20,810 0.0% Supplies/Small Tools and Equipment 24,806 40,625 40,625 0.0% Professional Services 65,017 55,668 70,750 27.1% Communication 35,593 29,480 29,865 1.3% Travel/Training 4,885 8,050 14,478 79.9% Operating Rentals 9,400 15,000 10,000 -33.3% Insurance 18,500 18,500 18,500 0.0% Utilities 36,625 50,125 52,525 4.8% Repairs & Maintenance 45,578 51,850 61,793 19.2% Miscellaneous 3,267 6,850 7,785 13.6% Intergovernmental Services 894,473 950,267 1,011,586 6.5% Capital 0 10,000 17,000 70.0% Debt Service 525,580 1,326,202 1,752,419 32.1% Interfund Payments for Services 680,812 699,993 656,447 -6.2% Transfer Out 553,000 755,000 682,000 -9.7% TOTAL EXPENDITURES(') 3,801,120 4,989,667 5,705,445 14.3% Fund Balance, January 1 2,045,852 2,471,684 2,439.543 -1.3% Total New Revenue 4,226,952 4,957,526 5,590,812 12.8% Total Committed Expenditures (3,801,120) (4,989,667) (5,705,445) 14.3% Fund Balance Plus Reserves 2,471,684 2,439,543 2,324,910 -4.7% Operating Reserves 146,245 392,640 451,888 15.1 % Fund Balance, December 31 2,325,439 2,046,903 1,873,022 -8.5% Notes: (1) No increase to reserves. REVIEW DRAFT - January 2009 8-3 Table 8.3 2007 Budget Long -Range Wastewater Management Plan City of Renton Wastewater Wastewater CIP Operations Fund Fund Operating revenues: Charges for services 4,995,021 720,929 Interfund revenues 152,028 - Other services (8,851) 287,009 Total Operating Revenues 5,138,198 1,007,938 Operating expenses: Capital expenditures - - Operations and maintenance 1,127,801 (31,200) Benefit payments 259,855 - Professional services 21,648 - Administrative and general 499,098 - Insurance 18,500 - Taxes 827,509 - Depreciation 1,563,817 - Total operating expenses 4,318,228 (31,200) Operating Income (loss) 819,970 1,039,138 Nonoperating revenues (expenses): Intergovernmental revenues - - Interest revenue 147,657 38,161 Gain (loss) on sale of capita 2,511 1,189 Other non -operating revenue 14 - Capital contributions 39,680 - Transfer in - - Sale of capital assets - - Benefit payments - (4,295) Interest expense (311,684) - Amortization of debt discount* (90,594) - Transfers out - (2,118,444) Total non operating revenue (expenses) (212,417) (2,083,390) Income (loss) Before contributions and transfers 607,553 (1,044,252) Intergovernmental revenues - - Capital contributions 724,978 - Transfer in (6,620,865) 2,131,442 Unallocated Revenue - - Transfers out (2,136,442) - Unallocated Expense - - Change in net assets (7,424,775) 1,087,190 Total net assets -- beginning 61,440,642 384,551 Total net assets -- ending $ 54,015,867 $ 1,471,741 REVIEW DRAFT - January 2009 8-4 Table 8.4 2008 Water Utility Monthly Rates Long -Range Wastewater Management Plan City of Renton Category Renton(') King County(') Single -Family $15.55 $28.5112) Other Users Base Charge $2.35 NA Per 100 cf $1.76 NA Per 750 cf NA $28.511') Minimum Charge $15.55 $28.51(2) Notes: (1) Rates for customers outside city limits are 1.5 times the above rates. (2) The Renton Sewer Utility adds a 'rate adjustment charge" of $0.56 per single-family and $0.56 per 750 cf per month to make up for billing methodology by King County in our contract. Table 8.5 SDC Charge Long -Range Wastewater Management Plan City of Renton Category Charge Existing Cost Basis Utility Capital Assets $76,839,066 less: Contributed Capital (43,354,369) plus: Interest on Non -Contributed Plant 16,314,612 less: Net Debt Principal Outstanding (11,233,500)11) TOTAL EXISTING COST BASIS $38,565,809 Future Cost Basis Total Future Projects $19,745,000 less: Identified Major Maintenance Projects (10,997,500) TOTAL FUTURE COST BASIS $ 8,747,500 Customer Base ERUs Existing Equivalent Residential Units 28,385 Future Equivalent Residential Units (Incremental) 1,358 TOTAL CUSTOMER BASE 29,743 Resulting Charge Existing Cost Basis $38,565,809 Future Cost Basis 8,747,500 Total Cost Basis $47,313,309 Total Customer Base 29,743 TOTAL CHARGE PER ERU $ 1,591 Notes: (1) Charge equals the principal outstanding debt ($14,996,134) subtracted from the existing cash balance ($3,762,634). REVIEW DRAFT - January 2009 8-5 Table 8.6 Proposed Charges Long -Range Wastewater Management Plan City of Renton Meter Size, inch Meter Capacity Ratio Existing SDC('E Proposed SDC 5/8 x 314 1 $ 1, 017 $ 1, 591 1 2.5 n/a 3,977 1 1 /2 5 n/a 7,954 2 8 n/a 12,726 3 16 n/a 25,452 4 25 n/a 39,768 6 50 n/a 79,537 Notes: (1) Per dwelling unit for single family and multi -family residential customers and gross square footage for all other customers. 8.3.3 Fees Fees are evaluated on a semi-annual basis. The fees summarized in Table 8.7 are relevant to the Renton Wastewater Utility and are subject to change. Table 8.7 Construction Permit Fees (RMC 4-1-180D) Long -Range Wastewater Management Plan City of Renton Type of Service Wastewater Permit Fee Residential Commercial Industrial Repair of any of the above Cut and Cap/Demolition Permit Ground Water Discharge (temporary connection to wastewater system for one-time discharge of contaminated ground water to 50,000 gallons) $150.00 each connection $175.00 each connection $200.00 each connection $50.00 each service $120.00 each service $170.00 Ground Water Discharge (temporary connection to $170.00 + Billed for current Renton wastewater system for discharge of contaminated and King County sewer rate on ground water over 50,000 gallons) discharged amount (meter provided by property owner) 8.3.3.1 Public Works Plan Review and Inspection Fees When installing sanitary sewer mains, all developers, municipal or quasi -municipal entities, or utility corporations or companies, except those specifically exempted, shall pay fees per REVIEW DRAFT - January 2009 8-6 RMC 4-1-180E. Half of this fee must be paid upon application and the remainder when the permit(s) is issued. There are additional construction permit fees which are also payable upon issuance. The fee will be based upon percentages of the estimated cost of improvements using the following formula described in Table 8.8_ Table 8.8 Review and Inspection Fees Long -Range Wastewater Management Plan City of Renton Estimated Construction Cost{'? Fee Amount $150,000.00 or less 6% of cost Over $150,000.00 but less than $9,000.00, plus 5% of cost over $150,000.00 $300,000.00 $300,000.00 and over $16,500.00, plus 4% of cost $300,000.00 and over Notes: (1) The applicant must submit separate, itemized cost estimates for each item of improvement subject to the approval by the Public Works Plan Review Section. 8.4 CAPITAL FINANCE PLAN 8.4.1 City 8.4.1.1 Operation The estimated costs to operate the wastewater utility include salary costs for the operation, maintenance, engineering and administration of services, taxes, office supplies, debt service, and consulting fees_ The number of staff, and the additional staff positions for Wastewater have been identified in Chapter 7. For purposes of this financial analysis, recommended staffing levels for operating the wastewater utility were predicted to be reached within this plan's six -year period in order to keep pace with anticipated growth. Inflation for labor is estimated to be 3 percent annually while the inflation rate for benefits is estimated at 7 percent as summarized in Table 8.1. For purposes of the financial analysis, the estimated revenue requirements for the next six years (2008 through 2013) were based on the 2008 operating budget with additions for planned new services and inflation. Table 8.9 summarizes these estimated costs_ REVIEW DRAFT - January 2009 8-7 Table 8.9 Estimated Future Operation Costs Long -Range Wastewater Management Plan City of Renton Year Estimated Operation Cost 2008 $15,629,000 2009 $18,522,000 2010 $19,563,000 2011 $20,845,000 2012 $21,660,000 2013 $22,379,000 Total $118,597,000 8.4.1.2 Capital The recommended CIP presented in this Plan consists of improvements necessary to serve the projected service area's population 2028 at the lowest reasonable cost. The project costs listed here are intended for budgetary purposes only, because they are based on current construction costs and should be adjusted for actual inflation depending upon the actual construction date. The costs for all of the improvements have been estimated, based on current information available. It should be reiterated that changes in system flow rates, system growth, financial policies, and regulatory requirements all contribute to adjustments in long-range planning. We recommend that financial goals be evaluated every five years, and that a detailed cash flow analysis be conducted annually. Table 8.6 presents the estimated costs of the capital improvement program as recommended in this Comprehensive Plan. Table 8.10 summarizes the six -year CIP as presented in Chapter 6. The yearly rates for single-family residences presented in Table 8.11 were calculated by adding the yearly CIP costs to the anticipated yearly operations costs and dividing that by the anticipated yearly ERUs. 8.4.2 King County The current King County charges are summarized in Table 8.3. Bing County currently charges the City a flat monthly fee of $27.95 for each single-family residential connection. For other uses, King County charges $27.95 per month for each 750 cf with a minimum monthly charge of $27.95. REVIEW DRAFT - January 2009 8-8 Table 8.10 Funding Sources For Proposed Improvements(') Long -Range Wastewater Management Plan City of Renton City Share Project 1 City Share (Assess Lid/ Number Proposed Capital Improvements (Rates) Dist) Developer Totals System Wide 1.01 Misc. Sewer Projects and Emergency Repairs $2,070,000 $2,070,000 1.02 Lift Station Telemetry Upgrades $400,000 $400,000 1.03 Maintenance & Upgrade Sewer Hydraulic Model $500,000 $500,000 1.04 Inflow & Infiltration Metering, Investigating, Rehab $2,500,000 $2,500,000 1.05 Sewer Main Replacement/Rehabilitation $31,048,000 $31,048,000 1.06 Long Range Wastewater Management Plan Upgrade $168,000 $168,000 West Cedar River Basin 2.01 Heather Downs/Maplewood Interceptor Improvement $1,200,000 $1,200,000 2.02 Cottonwood Lift Station Rehabilitation $300,000 $300,000 2.03 Falcon Ridge Lift Station Rehabilitation $300,000 $300,000 East Cedar River Basin 3.01 East Cedar River Collection Sewers $49,500,000 $49,500,000 3.02 Central Plateau Interceptor $2,300,000 $2,300,000 3.03 East Plateau Interceptor $1,700,000 $1,700,000 3.04 East Renton Lift Station Elimination $200,000 $200,000 3.05 Highlands Lift Station Elimination $30,000 $30,00D 3.06 Evendell Lift Station Elimination $20,000 $20,000 Lake Washington East Basin 4.01 Duval Interceptor $600,000 $600,000 4.02 Westview Lift Station Replacement/Rehabilitation $300,000 $300,000 4.03 Kennydale Lakefront Sewer System Improvements $4,500,000 $4,500,000 REVIEW DRAFT - January 2009 8.9 Table 8.10 Funding Sources For Proposed Improvements(') Long -Range Wastewater Management Plan City of Renton City Share Project City Share (Assess Lid/ Number Proposed Capital Improvements (Rates) Dist) Developer Totals 4.04 Union Avenue NE Sewer Main Extension $500,000 $500,000 4.05 Sierra Heights Sewer System Construction $2,000,000 $2,000,000 4.06 North Renton Intercept Replace ment/Rehabilitation $800,000 $800,000 4.07 Lake Washington Blvd. Sewer (2900 Block) $100,000 $100,000 4.08 Stonegate/Summerwind Flow Diversion $3,000,000 $3,000,000 4.09 Lake Washington Beach Lift Station Rehabilitation $200,000 $200,000 4.11 Lake Washington No 2 Lift Station Rehabilitation $200,000 $200,000 4.11 Long Lift Station Rehabilitation/Replacement $300,000 $300,000 Black River Basin 5.01 Talbot Crest Lift Station Replacement $200,000 $200,000 5.02 Thunder Hilt Interceptor Replacement $2,500,000 $2,500,000 5.03 Benson Road Interceptor $1,300,000 $1,300,000 5.04 SW 34th Street Interceptor Replacement $100,000 $100,000 5.05 Talbot Road Interceptor Capacity Analysis $100,000 $100,000 5.06 Lind Avenue Lift Station Rehabilitation $700,000 $700,000 Downtown Basin 6.01 Earlington Lift Station Elimination $300,000 $350,000 $650,000 6.02 Shattuck Ave S Interceptor Downsizing $350,000 $350,000 6.03 North Earlington Collection System $2,550,000 $2,550,000 6.04 Airport Lift Station Rehabilitation $300,000 $300,000 6.05 Renton Center Sewer Extension $200,000 $200,000 REVIE"' DRAFT - January 2009 8-10 Table 8.10 Funding Sources For Proposed Improvements Long -Range Wastewater Management Plan City of Renton City Share Project City Share (Assess Lid/ Number Proposed Capital Improvements (Rates) Dist) Developer Totals May Valley Basin 7.01 Misty Cove/Baxter Lift Station Replacement $130,000 $130,000 7.02 Denny's Lift Station Rehabilitation $300,000 $300,000 TOTAL ANNUAL COST $55,256,000 $6,850,000 $52,050,000 $114,156,000 Note- (1) Project Cost Estimates Are In 2008 Dollars, REVIEW DRAFT - January 2009 8-11 Table 8.11 Six Year CIP Projections Long -Range Wastewater Management Plan City of Renton Single Major Rate Family Year Development Maintenance Total Increase Rates 2008 3,640,000 3,524,000 7,164,000 6.0% $15.55 2009 1,270,000 1,355,000 2,625,000 5.5% $16.41 2010 665,000 1,960,000 2,625,000 4.0% $17.01 2011 695,000 1,930,000 2,625,000 4.0% $17.74 2012 665,000 1,960,000 2,625,000 3.5% $18.36 2013 365,000 2,260,000 2,625,000 1.0% $18.55 Subtotal $ 7,300,000 $12,989,000 $20,289,000 > 2013 365,000 2,260,000 2,625,000 1.0%111 $18.74(') Total $ 7,665,000 $ 15,249,000 $22,914,000 Notes: (1) Rates listed for the year 2014. The City adds a rate adjustment charge, currently $0.56 per single family and per 750 cubic feet for other users. This charge allows the City to collect the additional costs associated with the billing methodology contained within the contract between the City and King County for wastewater treatment services. 8.4.3 Revenue Sources 8.4.3.1 Bonds Two types of bonds are available as sources of revenue: general obligation and revenue. The City has the authority to levy a tax (subject to a vote of the people) that could be used to pay principal and interest costs of a general obligation bond issue. The City has not used this means of revenue generation for the wastewater utility and does not plan to unless a serious disaster occurs that requires massive improvements and/or replacements beyond the City's ability to fund it through other sources. Revenue bonds are issued and sold by the City when large amounts of money are needed to build general purpose capital improvements that benefit the City as a whole. The City, like other municipalities, is capable of issuing tax-exempt bonds. The principal and interest payments for such bonds are repaid from general revenues, connection charges, assessments and interest earned on investments. In order to qualify to sell revenue bonds, the City must show that its net operating income (gross income less expenses) is equal to REVIEW DRAFT - January 2009 8-12 or greater than 1.3 times the annual principal and interest due for all outstanding bonded indebtedness. The 1.3 factor is commonly referred to as the "coverage factor." 8.4.3.2 Loans The public works trust fund is the primary loan used to fund CIP projects. These are low - interest rate loans are available from the state for replacement of existing sewer system facilities- Interest rates vary from a low of 0.5 percent to a high of 2 percent depending upon the City's matching share. It is emphasized that these low interest rate loans are for replacements only and cannot be used for accommodating growth. These loans can be utilized effectively for replacements in the Central Business District (CBD) and other fully developed areas of the City's service area. This includes areas that are currently developed on private septic systems. 8.4.3.3 Grants Both the federal and state and centennial clean water fund are funding sources available to the City_ Federal and state loan and grant programs are available for wastewater capital improvement projects. These programs are primarily designed to fund improvements that upgrade wastewater treatment facilities in order to comply with Federal Clean Water Act (PL92-500). With budget cutbacks at both the federal and state level, the possibility of receiving government funding for a portion of the recommended improvements at this time is remote. Should additional funds be made available, the City should explore the feasibility of obtaining funds from these sources. The Centennial Clean Water Fund is an example of state grant funding, which is currently available. This grant fund's highest priority is to eliminate public health emergencies and secondly, to improve water quality. The City should continue to pursue these funds for projects that meet its criterion 8.4.3.4 King County King County funds are available for the construction of interceptors and local service extensions if the investment can be justified_ Currently King County limits its investment to projects where the amortized capital cost of the project can be recovered through King County fees collected from the residential customer, or equivalent, that are served by the extension at the time of project completion. 8.4.3.5 Local Improvement Districts LID assessment income is paid to the City from assessments levied against specific properties that have benefited from improvements in a defined area_ Typically, Local Improvements District's (LIDS) are formed by the City at the written request (by petition) of property owners within a specific area of the City. Upon receipt of a sufficient number of REVIEW DRAFT - January 2009 8-13 signatures on petitions, a local improvement area is defined and improvements are designed for it. Each separate property in the LID is assessed in accordance with the special benefits the property receives from the sewer system improvements. Generally, it is the policy of the City to assess the benefited properties 100 percent of the cost of the improvements plus the general facilities and sewer connection charges. LID projects may be divided into two categories. 1. Improvements of Local Interest: if necessary, specific problems, such as excessive septic tank failures, can be corrected through an LID. If not necessary, these projects can be postponed until a later date when the area needs or desires it. 2. Improvements of Regional Interest: These projects are beneficial to an area larger than an LID and are initiated by the City. While LID funding would help, the project is of such importance that a lack of LID should not delay it. If an LID cannot be formed, additional funding from other sources (including the City) may be necessary. 8.4.3.6 Developers City policy requires that all developers/property owners take financial responsibility for the necessary improvements before their development benefits from them. This responsibility may be satisfied in one of the following ways. In all cases, developer/property owners should be required to pay for the costs to the extent their property benefits from the facility installed (their fair share). 1. Utilities Installed: If the utilities necessary are already installed, the developer/property owner will reimburse the party (city or private) that installed the facility through a latecomer agreement or special assessment district, where such agreements exist. 2. Utilities Not Installed: If the utilities necessary are not installed, then the developer/property owner must extend or make improvements to the facilities following routes that comply with the City's Comprehensive Sewer Plan. If the plan is not definitive for that area, then the facilities will be extended and installed in a manner that best serves the City of Renton's citizens as determined by the Wastewater Utility Engineer. If the facilities installed potentially benefit other properties, a latecomer's agreement may be requested. If the facility required by the City is determined by City Council to be significantly more expensive because of oversizing or routing requirements, then the Council may agree that the City participate. If a City capital improvement project is being planned, designed, or constructed, developer/property owners could choose to participate financially in the City's project rather than make the improvements themselves. REVIEW DRAFT - January 2009 $-14 8.4.3.7 Others This category of funding responsibility is primarily for participation by other municipalities, such as adjacent cities or districts. Negotiations need to be accomplished to finalize funding responsibilities before annual adjustments to the CIP and rate increases. Contingency Revenue Plan: If the funding from other sources does not happen as anticipated, or on the schedule anticipated, then the City should adjust this plan's CIP. Alternative adjustments available to the City are as follows: a. Reduce the scope and magnitude of the improvements with corresponding reductions in cost, b. Defer that portion of the improvements necessary for the benefit of others until the funding is obtained, C. Proceed with the CIP as recommended in this plan and finance the other beneficiary's share with the provision that these other costs should be recovered including interest costs. It is critical to the implementation of the CIP that these funds are obtained from other funding sources. The level of funding from other sources is based on the current perceived degree of benefit from each project; this may change based on the actual degree of benefit assessed at the time the project is planned to begin. 8.5 SUMMARY Over the next six years, the City is anticipating spending approximately $22,370,000 on capital projects and $118,596,549 on operations and maintenance costs. Based on these costs, the City is anticipating that the single-family residential rate will increase from $15.55 per month to $18.55 by the year 2013, an increase of approximately 20 percent over six years. REVIEW DRAFT - January 2009 8-15 APPENDIX A January 2009 Aereements A. Cascade Sewer District Agreement (Resolution 1234) B. Cascade Sewer District Agreement (CAG. 039-74) C, Soos Creek Water and Sewer District Boundary Agreement (CAG 091-83) D. Soos Creek Water and Sewer District Boundary Agreement (CAG 97-164) E. Skyway Water and Sewer District Boundary Agreement (CAG 03-197.) F. .Apollo Elementary School Service Agreement (CAG 1636-70) G. Water District No. 107 Joint Use Agreement (CAG 035-75) H. Renton Franchise to Water District No. 107 1. Coal Creek Utility District Boundary Agreement (pending) J. City of Kent Joint Use Agreement (Resolution 2413) K. King County Franchise 14056 L. Cedar River Water and Sewer District Boundary Agreement (CAG 99-014) M. Skyway Water and Sewer District Conveyance Agreement (CAG 06-170) N. Soos Creek Water and Sewer District Boundary Agreement (CAG 091-83 Add 1-04) �xsoi�•rio� r1o. 1�.3 WHEREAS THS CASCADE SE,11ER DISTRICT, a municipal corporation, lkereina£ter referred to as "DISTRICT", has heretofore nade application to the CITY OF MTCN, a city of the second class under the laws and statutes of the State of Washington, hereinafter refer- red to as "CITY", to use certain street right of trays for the construction, installation and maintenance of 2 certain interceptor sewer line which line extends frets the DIS- TRICT'S present sewer system, through portions of the CITY OF RENTON and connects to the sewer system of the Municipality of Metropolitan Seattle, and WHEREAS it is deemed advisable and of public benefit to provide for the connection and hookup of properties located within the CITY to said 'interceptor sewer to be Constructed at the sole cost and expense of DISTRICTiand WEER& S DISTRICT, CITY and certain affected property owners whose properties lie within the CITY have heretofore agreed to enter into a certain Agreement, pursuant to which CITY would collect for and on behalf of DISTRICT, certain hookup charges fro7l any and all property owners desiring to hookup to such interceptor line, without any liability whatever on the part of the CITY for such line except as to CITY'S obligation to remit funds unto the DISTRICT so collected fron abutting owners desiring to tap on- to such line, and said Agreement being reasonable and proper and in the public interest, NOW THEREFORE, BE IT RESOLVED BY WE MAYOR AND THE CITY COUNCIL OF THE CITY OF RE11TON PS FOLLC.C-TS: SECTION I: All the aforesaid recitals and findings Pre hereby determined to be true and correct in all respects, SECTION II: The Mayor and the City Clerk are hereby authorized and directed to execute, on behalf of CITY, that certain Agreerent between DISTRICT -and CITY dated March 4, 1964, a copy thereof being attached hereto, labeled Exhibit "A" and by reEerence incorporated herein as if fully set forth. The mayor and City Clerk are fur- ther authorized and directed to issue such permits for the construction and installation of said interceptor line within and under the CITY'S streets as specified in the efor,-- ss ',--- Trent and as determined and approved b y the CITY'S Engineer. Such Agreemo nt, upon execution by all the parties thereto, shall then b:- recorded in the Office of the King Count Auditor at the expense of DISTRICT, and copies thereof furnished unto the owners of property located within the CITY and abutting upon said interceptor saver line hereinabove referred to. PASSED BY THE CITY COUNCIL this 2nd day of March, 1964, Nelmie Nelson, City C er APPROVED UY THE MAYOR this 2nd day of March, 1964. APPROVED AS TO FORM-- = ._.ellan, City Attorney /, i - r LG- `Frank Aliment, Mayor C _ Gf t i 'S i - ----- - A G R° E N E W T - RG— 76 w T:.IS AGREEIMT, .made and entered into this 27th day of Uarch, 1964, by and betsreen.CASCADE SIT R DISTRICT, a nVi,cival corporation of the State of .,'ash.#gtai;f h0rei:nafter called "DISUICV, and the CITY OF RENTON, a municipal corporritidn of the. State of .;ashing-ton; hereinafter called "CITY"; II TNESSh.'T1-1- T:IAT .,UEREAS, the District and the City are situated contiguously in }fling County, State of '.lhshingtan, and OHEREAS, the District hgs prepared construction plans and called for contract bids for construction of an interceptor Sewer line to extend from the present seiner system aperated by the District, within its boundaries, and to run through certain portions of the.City to collection trunk seiner lines constructed by the Hunicipality of &fetronolitan Seattle, and 'JHERLXS , certain areas hereinafter described situated within the boundaries of the City may also be served byuse of said interceptor line, thereby eliminating the necessity of the City constructing such trunk facilities, and '011ERGAS, the District is willing and able to construct and nay for the costs of said line and the City is willing and desirous to reimburse the District for an agreed upon portion of said construction costs, according to the terms and conditions hereinafter set forth. NO11, THEREFORE, IT IS i1EREBY s UTUALLY COVEYANTED AND AGREED by and between the parties hereto, as follows: 1. That the entire construction cost of said interceptor line, according to the engineering plans therefor, heretofore nrepared by the District and approved by the City, shall be paid by the District. 2. That said line shall be constructed through and across certain areas within the City of Renton, King County, Oshington, described as follows: The following description located in Ang County, Washington, described the centerline route of the proposed Interceptor Seger from its point of discharge into the Trunk Sewers of the I<unicipality of %tropolitan Seattle to the Southerly line of the Seattle Cedar River pipe line right-of-way, which is also the city limits of Renton: Beginning at the intersection of the North line of the NE 1/4 of Section 21, Township 23 North, Range 5 East ::.bf., and the Northwesterly margin of the City of Seattle's ;lercer Island pipeline R/::', said intersection also being North 89o00124" best 1112.45 feet from the Northeast corner of said Sec, 21; thence South 28023154" Nest along said Northwesterly margin 1,008.02 feet; thence South 61036106" East perpendicular to said Northwesterly margin 5.00 feet to the true point of beginning; also being existing Metro i.AK R-10-33; -F (1.) Thence South 28023154" ':lest 913.00 feet; (2) 'Thence South 87004'09" [lest 84.50 feet; (3) 7`hence North 32001'11" West 133.00 feet; (4) Thence North 80015103" ;lest 1,213.76 feet; (5) Thence South 14013'42" '.lest 321.90 feet; (6) Thence South 36027157" '.Jest 428.92 feet; (7) Thence South 40°:S2'44" iYest 195.69 feet; (8) Thence South 72`3'9'42" I.:est 282.20 feet; (9) Thence south 418P08'2311 ;lest 397.00 feet; (10) Thence South 14126153" ;Test 54.08 feet; (11) Thence South 41PS,113711 East 742.00 feet; (12) Thence South 47041'il0" Gast 762.73 feet; (13) Thence Sc h IP26r5411 leest 603.91 feet; (14) Thence South now 08" ;'Jest 104.00 feet. The entire route of the interceptor seller within the City of Renton, the centerline of a hich isdescribed above, is located an easements except the following, which are on Public Right of ;lay: City of Renton streets; The most Southwesterly 105,00 feet of Course (9); All of Course (10); The most Northwt sterly 37.49 feet of Course (11). The City shall grant to the District a permit for the construction, operation and maintenance of said line, subject to the terms and conditions of this Agreement. 3_ That said line shall be used, operated and maintained by the District and by the City for service of their present and future customers for transferring sewage collected by the District and by the City within their respective territories for delivery to the Metro trunk line and no payment or service charge therefor shall be required by either of these Parties one to the other for the privilege of such use, other than as hereinafter set forth herein for reimbursement of construction costs, maintenance and repairs. 4. That the City shall have the right to authorize connections to said line by property owners of property situated within the boundaries of the City of Renton, King County, Pashington, described as follows: That portion of Sec. 21, Tolmship 23 North, Range S East U.M. lying South of the Cedar River and North of the South Iine of the Seattle Cedar River Pipeline R/44, except the East 112 of Southeast 1/4 and except the Southeast 1/4 of Northeast 1/4 of said Section 21; Also, that portion of the Easterly 112 of Sec. 20, Township 23 North, Range 5 Last 1,13.1. from which the sanitary sewage is carried Easterly or Southeasterly in the future across 116th Ave. S.E. and into said Sec. 21 or into Sec. 28, Township 23 North, Range 5 East 111.?1. under such terms and conditions as the City slay establish for making such connec- tions. The City shall also have the right to authorize connections to said line by property owners of property which may hereafter annex to the City, under the Same terms and conditions as provided herein forproperties now situated within the boundaries of the City. -2- S. No person, firm or corporation shall be granted a permit, or be author- ized to tap into, hook onto, or use said sewer interceptor lane, has herei:nabove described, during A period of thirty (10) years from date hereof without first paying unto the City, in addition to any and all other costs and charges made.or assessed for such hookup, tap, or use, an amount of not ,less than $.013 ner square foot of area included in any such properties R>r which connections are allowed by the City. All amounts received by the City snail be paid out by it unto the District under tile terms of this Agreement within sixty (60) days after receipt thereof. Ptirthermore, in case any tap, hookup, or connection is made into any such znteide'tbr sewer, without such payment first having been made as hereinabove set forth, the City Council of the City of Renton may remove, or cause to be removed, such unauthorized tap, hookup, or connection, and all connecting; tile or pine located in the facility right -of -way, and dispose of unauthorized materials so removed, without any liability whatsoever to any party, It is ocxessly understood that the aforesaid minimum charge per square foot, (based on the: provisions of R.C.1. 35,92.025),shall not prevent the City from adding or imposing such other reasonable charge for collection and bookkeeping services, including taxes, if any, that may reasonably be incurred by the City, in Providing for the collection service herein undertaken for and on behalf of the District; it being stipulated that the aforesaid per square foot rate is solely a method of measurement of the amounts due and owing to the District for properties allowed to connect and use said interceptor line facility. 6. 77iat as between these parties, it is stipulated- that the Proportionate share of costs of said interceptor line, as located within the boundaries of the City, is approximately $60,000.00 and that it is the District's intent to be reimbursed by the abutting property owners for such costs. it is expressly agreed and covenanted byand between the parties that the City does in no sway warrant payment of any such sum, or sums, during the life of this Agreement, and that the City's obligation hereunder shall be limited solely and exclusively to the collec- tion of charges, asabove stated, from property owners who wish to hook up and connect to said interceptor sewer trunk line. No interest shall be charged the City upon such sum, or any other sum, byihe District, and the City's agency for collection purposes on behalf of the District shall not impose in any way any liability or other costs upon the City, and the District hereby agrees to hold the City harmless from any liability relating to the costs of installation, or the District'sbonded indebtedness in connection therewith. -3- 7. That maintenance costs, repairs and operation necessarily incurred for said interceptor line within the boundaries of the City shall be borne on a proportionate basis determined on the same ratio as the number of. users served by the District bears io the number of users served by the City using said inter- ceptor lino, Damage tb said interceptor line which may be caused by the negligence of either these parties, their agents or assigns, shall be renaied by the responsible party. 8_ That ownership of said line shall remain in the District until the expiration of a period of thirty (30) years from date 'hereof or payment in full of the present bonded indebtedness of the District or subsequent bonded indebtedness incurred for the purpose of 7refinancin, thereof shall have been paid in full, whichever event shall come first, or as otherwise provided by law. Thereafter, the City shall be under no further obligation to collect or remit any other or further sums to the District as reimbursement for construction costs and owner- ship of said line shall be jointly vested in the District and the City, with full and complete right of use thereof allowed to each party and with expenses of maintenance thereof continued upon the same proportionate basis as hereinabove set forth. 9. In the event said line shall become inadequate to serve the entire area lying within the District and the City, preference shall be given to the District and its users and the City shall, as additional lines become available,. divert selvage collected within the District into narallel and additional trunk lines, which it is contemplated would then be available as lines necessarily constructed in development of said properties to such extent. IN '7rrNESS I'i]IEREOF, the parties hereto have set their hands and. seals this 27th day of March, 1964. Attest: 'yam/ City Clerk CAf. By: Dy: CITZOPENTON r -4- STATE OF IIASIi1NGTON . ) 55. COUP ry OF KING } On this 4' th. Notary Public in an - sworn, personally apt me known to be the Ch DISTRigt" a munxezpai that executed the fo 11 to be the free and vo and purposes thotei;n . to execute the said i seal of said corporat of Marcb, 1964, before me, the undersigned, a the State of Washington, duly comet ssior�ed.and d L DELL Y. LECKEN>iY and CHARLES It.. BAYLFSS., to an :and Setretary, respectiuel,y, of CASCADE:SE:fGR poration .of, the State of ifash3mg'ton, `the corporat ng.instrument, and',acknowledged ttie said.iistrumen ary act and deed of.said corporation, for them rises Toned, ajd on oath"stated'.that they are authorized ;iment and that the seal affixed is -the corporate UI`i'NESS my.hand and official seal hereto affixed the day and year in this certificate above written. Nota�iand torte of Vashington, residing at Trenton STATE OF UASi11NGTON ) ss_ COUNTY OF KING ) On this 1 �`,_ day of 34a ch;-i964, before me, the undersigned, a Notary public in and'fo thee. e 1' hington, duly commissioned and sworn, personally appeared and ]JEWIE NIELSON, to me kn oWn to be the Mayor and City Clerk, respectively, of THE CITY OF RENTON, a municipal corporation of the State of Washington, the corporation that executed the foregoing instrument and acknowledged the said instrument to be the free and voluntary act and deed of said corporation, for the uses and purposes therein mentioned, and on oath stated that they are authorized to execute the said instrument and that the seal affixed -is the corporate seal of said corporation. :H TNESS my hand and official seal hereto affixed the day and year in this certificate above written. otatr:-public in and for the State of Kashington, residing at Renton -5- RATIFICATION OF AGRCEMW The undersigned, being the principal owners of properties hereinabove described, situated within the boundaries of the City of Renton, in consideration and recognition of the obligations incurred by the City of Renton under the terns and conditions of the foregoing Agreement, do hereby ratify and acknowledge the obligations thereof to the extent that said Agreement affects our real property hereinabove described. Ne do hereby acknowledge upon behalf of ourselves, our heirs, executors and assigns that none of our said properties may be connected to the serer 'trunk main being constructed by Cascade Sesser District until payment has been made to the City of Renton of such connection and hook-up fees. as may be established by the City, which amount will include the $.013 obligation of the City to the District as hereinabove described. DATED this day of March, 1964. VIKING INVESD IENT CO ORATION/ LOWAWAIII AR1JE G. GOEDECICE, in i lly.and as Attorney -in -Fact for Louise H. Goedecke, his wife M STATE OF JASHINGTIDN ) ss. COUTk 'Y' OF KING r this 0 day of flajr h "1 64,. before me, the unders ed; a �bli:c inn and for the state of aishu�gt.on, duly commissioxied. and rsonally appeared K. A SAND!,11 , , 7R;, 'and RQi3ERT C. DETKI M, to to be the Pi arrd 3` ensurer, x�spec_tively, of. VIKIW 7 CORPOR"ATION, the corp-atio'n.; that exec ited the, foregoing t, and 'acknow ledged the "said instrument to be the free and Act and deed of"said co"rporation, far the uses and'pur-i es entioited, and on oath stated that tner aie authorized to execute instrument and that the seal affixed is the corporate seal of said on. FITNESS my hand and official seal hereto affixed the day and year in this certificate above written. Notary 'Falic in n or t ate of Vashington, r iding at STATE OF WASHINGTON ) ss. COUNTY OF KING } On this 3 e — day of March, 1964, before me, the undersigned, a Notary Public in an for the State of=iashington, duly commissioned and sworn, Personally appeared NINE G. GOEDECKE, Individually and as Attorney - in -Fact for Louise M. Goedecke, his wife, to me known to be the individual that executed the foregoing instrument -and. acknowledged, the. said instrument" to be his free and voluntary act and deed, for the uses and purposes therein mentioned. 1ITNESS my hand and official seal hereto affixed the day and year in this certificate above written. �C.z "�i� / Afoiary Public in a for th to of Washington, res ing at - 7- CAG 039-74 (a AGREEMENT FOR PROVISJON OF SEWER SLAMICE THIS IS AN AGREEMENT between the City of Renton and Cascade Sewer District regarding the provision of serer service to the areas def-ined. I. DCFINITIOI�S AND TERMINOLOGY (1.) "The City" is the City of Renton, a municipal corpor- ation in Kin.gCounty, Washington. (2.) "The District" is the Cascade Sewer District, also a municipal corporation in King County, Washington. (3.) "Safecare-Careage" is the Safecare Company, Inc. and Elie Careage Corporation, otherwise known as Safecare-Careage Venture No. 7, one of the contracting parties to the Safecare- Careage Contract hereinafter defined. (4.). "The Safecare-Careage. Contract" is that contract be- tween the City and Safecare-Careage dated the llth.day of August, 1970_pursuant to which the City authorized Safecare-Careage to construct a sewer main of approximately 1,670 lineal feet of eight inch (8") sewer pipe and six manholes in Springbrook Road extending approximately S70 feet south of the center line of .South 180th Street on the. east side of Springbrook Road and approximately 1,100 feet north of the center line of So. 180th Street on the west side of Springbrook Road and connecting to existing manhole R 18-25. (5,_) "The Springbrook Line" is the sewer Line constructed pursuant to the Safecare-Careage Contract, (G.) "Scott's Terrace" is the property, the plat of whicl1 is recorded as the plat of Scott's Terrace in Volume 72 of Plats, pages 39 and 40, of the records of King County. (7.) "The Radovich Property' is the entire parcel of land bounded on the south and east by Carr Road, on the north by the -1- south line of Scott's Terrace, and on the west by the Talbot Road. (8.) "The Talbot Roach" and the "Springbrook Road" are in effect a single street, the northerly portion of which is com- monly known as Talbot Road, and the southerly portion of which is commonly known as the Springbrook Road. (9.) "So. 180th Street" is a street intersecting. Talbott Road, and within the City of Renton said street is known as So. Y 43rd Street on the City's numbering system. As said street ex- tends easterly from its intersection with the Talbot and Spring - brook Roads, it is known as Carr Road. {10,) "The existing crossing" is a short main extonsIon of the Springbrook Line crossing the Talbor Road from�iian6le No. 2 to a spot near the boundary of Lots 1 and 2 of Scott's`Terrace. (11.) "The proposed crossing" is a train extension' of the Talbot Road Line -proposed to be constructed from manhole No. 1 to a spot near the boundary of Lots 4 and 5 of Scott's Terrace. (i2.) "U.L.I.D. 11" is a utility Local Improvement District, numbered 11, being formed by Cascade Sewer District, sad includes Lots 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 27 and 28 of Scott's Terrace, and that portion of the northerly 150 feet of the Rad- ovich Property which lies east of the southerly prolongation of the westerly boundary of Lots 17 and 18 of Scott's Terrace. (13.) "METRO" is the Municiplaity of Metropolitan Seattle, (14.) "The METRO Line" is a sewer trunk built, owned anti maintained by METRO, into which the Spring.brook Line empties at approximately the intersection of Talbot Road and South 177th Street. The METRO Line continues generally easterly along South 177th Street, then continues generally southeasterly along 98th Avenue South, and then continues easterly. II. FACTUAL BACKGROUND (2,) Under date of August 11th, 1970, the City and Safecare- Careage entered into the Safecare-Careage Contract which permitted Safecare-Careage to build the Springbrook Line hereinabove defined (2.) Said contract provided for reimbursement to Safecare- Careage, subject to the laws and ordinances of the City of Renton, by the own.er.of real.estate who did not contribute to the orig- inal.cost o.f.:tlie improvement and wbo subsequently wished to tap into .or Book onto or use the facilities. (3,). Said contract also reserves to the City the right to make or cause to be made extensions of or additions to the above -mentioned improvement and to allow service connections to be made to said extensions or additions without liability on the part of the City. (4.) The properties, the owners of which are to be charged for tapping into or booking onto the Springbrook Line, and the amount and rate of said charges for said properties, have already been determined in accordance with Ordinance No. 2847 of the City of Renton. Of the properties involved in this Agreement, they are the properties, sewer service t❑ which is to be provided by the City.and not by the District under this Agreement. (S.) The City is presently providing sewer service to Lots l and .2 of Scott's Terrace by means of the existing crossing. (6,) No formal agreement -for the provision of sewer service in the subject area has been entered into between the City and ,the District. (7.) The City also -proposes to provide setrer service to Lots 4 and S of Scott's Terrace by permitting the construction of ilia proposed crossing. (8.) The City is prepared to furnish sewer service through the Springbrook line to Lots 3, 6, 7 arid 8 of Scott's Terrace. (.) Although all of Scott's Terrace and the Radovich Property are within the Cascade Sewer District and 'are outside the limits of the City,. each party recognizes that sewer service -to Lots 1, 2, 3, 4, S, 6, ,7, 8 and 16 of Scott's Terrace and to that portion -3- of the Radovich property which lies to the west of the southerly prolongation.of the westerly boundary of Lots 17 and 18 of Scott's Terrace can be provided by the City through the Talbot Road Line sooner than such service could be pro- vided by the District, and that sewer service to these prop- ,- erties by the City and the payment to the City of the charges necessary under the Safecare-Careage Contract as already de- termined pursuant to said Ordinance No. 2847 has and will pro- vide the funds for reimbursement of Safecare-Careage under the contract. (10.) The District proposes to serve the properties within U.L.i.D. 11 by utilizing the existing crossing and the proposed crossing as hereinabove defined. (11.) Both the City and the District have identical agree- ments with METRO relating to the METRO tine, permitting' both the City and the District'to make sewer service available to properties along said 1-ine by allowing said properties to be hooked onto the METRO Line, making an appropriate charge to the owners of said properties and remitting the same to METRO as payment against the cost of.the construction of said line. (12.) Because of the, possible duplication of charges;'and Hie question of the proper agency to•provide sewer service to various properties referred to above, the parties hereto do desire by this Agreement to formalize their mutual responsibil- ities and rights in the area. - MUTUAL COVENANTS AND AGREEMENTS In consideration of the covenants herein contained, and in consideration of the benefits to each of the parties to be derived from this Agreement and the performance thereof, and -4- because of the facts stated above, the parties hereto do agree and covenant as follows: (l.} The City will make server service available for. that i lit portion of the Radovich Property lying west of the southerly prolongation of the westerly boundary of Lots 17 and 18 of Scott's Terrace and for Lots 1, 2, 3, 4, 5, 6, 7, 8 and 16 of Scott's Terrace, and the District will not attempt to provide sewer service for said areas. (2.) The City will authorize an extension of or addition to the Springbrook Line by permitting the construction of the proposed crossing hereinabove defined. Said crossing must be in accordance with the standards and requirements of the City as to design and construction. The cost of the construction of said proposed crossing will be borne by the District or by private owners with whom the District may contract, or both, but the proposed crossing will be constructed at no cost to the City. (3.) When the proposed crossing is completed, it will be transferred to the City and will be available for the use of the City to provide sewer service to those lots in Scott's Terrace for which the City is to make sewer service available under this Agreement. (4.) Other than the properties described in Paragraph (1.) of Section III of this Agreement, the District will make sewer service available for all other properties within its boundaries in the area of U.L.1.D. 11. (5.) The City agrees that the District may, without pay- ment of any area connection charges, connection fees, latecomer fees, extended service fees, or any fee of any kind, but at the District's own cost of construction, connect its mains to the existing crossing to the proposed crossing when constructed, provided that the design and construction of the District's -5- facility so connecteO meet with the approval of the City. `6.) Kithtut any cost to the City, the District will place a mah ol.e'at the easterly end of th.e:.existing crossing and will c.csnn`eet t}3e'•exist ng side -sewer to this manhole. The ,D s'trlct will. also .cause a manhole to be constructed at the easterly end of the proposed crossing, and each of said manholes, When completed, will be transferred to the City to own as part of their main extensions consisting of the existing cros- sing and the proposed crossing. Said manholes will meet the design and construction requirements of the City. .(7.) unless it has the prior consent of the City, the District will not attempt to make sewer service available to those properties lying immediately south of So. 180th Street and in the immediate vicinity of the Sringbrook Line which, without the construction of main extensions which would be exempt from any charges under Paragraph S of the Safecare- Careage'Contract, can be served by that portion of the Spring - brook Line as presently constructed. (8.} Although portions of the lines hereinabove described will be jointly used by the City and the District, .each of the parties hereto will maintain its own lines at its own Cost. (9.) If all of the properties which are to be served by the District under this Agreement are annexed to and become a part of the City, the District will, without charge to the City, transfer to the City the entire sewer system to be con- structed by the District in U.L.I.D. 11 as described in this Agreement. (10.) All facilities constructed by the District which are to be transferred to the City under this Agreement will be transferred by an appropriate Bill of Sale in standard form. (11.) The District will hold the City harmless from any -6- claims made against the City and will protect the City from any liabilities in connection frith any of the work to be done by the District. (17.1 Nothing in this Agreement as to which party shall pro- vide sewer service to particular properties shall be construed as to require the provision of such service except in accord- ance with the Ordinances or Resolutions of the party, and upon payment to the party of all proper charges by the property owner. IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed by their duly authorized officers and to have their respective seals affixed hereunto. DATED this _eday of 8 fa V F_ M Q F r� , 1974. CITY OF RENTON A municipal Corp atiori By ayor � her CASCA E SEWERDISTRICT By esx en omntissioner By ommissio�+er by ecretary urn�nzssioner CAG-083--91. CITY OF RENTON & SOOS CREEK WATER AND SEWER DISTRICT AGREEMENT FOR THE TRANSFER OF FACILITIES AND FOR THE ESTABLISHMENT.OF SERVICE BOUNDARIES THIS AGREEMENT, made and entered into this&A day of , 19 , ,by and between SOOS CREEK WATER AND SEINER DISTRICT, a ashin.gton municipal corporation, hereinafter referred to as "THE DISTRICT", and the CITY OF RENTON, a Washington municipal corporation, hereinafter referred to as "RENTON", both being duly organized and existing under and by virtue of the laws of the State of Washington, WITNESSETH:. WHEREAS, THE DISTRICT is qualified to provide water and sewer service within its prescribed area; and WHEREAS, RENTON is qualified to provide public services, including water and sewer service, within its prescribed area; and WHEREAS, THE DISTRICT has constructed, and has managed, operated, and maintained certain water and/or sewer facilities which exist in areas which have been annexed by RENTON, and which can most efficiently be managed, operated, and maintained by RENTON in conjunction with other facilities in the City; and WHEREAS, bond covenants, resolutions, and other agreements of THE DISTRICT require that certain steps be taken, and certain financial arrangements made, as part of any transfer of facilities from THE DISTRICT to another party; and WHEREAS, it is in the best interest of both parties to have RENTON administer the collection of General Facilities Charges on behalf of, and to be passed on to, THE DISTRICT for those areas herein described to be transferred to RENTON for management, operation, and maintenance; and WHEREAS, it is in the public interest for the parties herein to enter into an agreement to provide for the efficient planning and development of new water and sewer services in areas which may be served by either, or both, of the parties herein; now therefore, 4-7:04UA00g-00) Page 1 of 11 MAY 2 3 1991 IT IS HEREBY AGREED by and between the parties hereto as follows: 1. Water service by THE DISTRICT within RENTON City Limits. THE DISTRICT shhall provide water service to the properties within THE RENTON City Limits described in attached Exhibit "A", and as s:hovvn in attached Figure.1. Any new construction within the current RENTON City Limits by THE DISTRICT for water service shall be in compliance with RENTON requir.ernents including; materials, techniques, fire flow, and all other standards. Existing watermains are excepted, provided that any upgrading or replacement shall be in compli- ance with said RENTON requirements. Future transfer of service areas shall be by mutual agreement to be determined at that time. Any new or replacement facilities afterthe date of this agreement shall be transferred to RENTON at no cost if constructed by developer, but RENTON shall reimburse THE DISTRICT for the value of any DISTRICT construction not yet fully depreciated, at an amount equal to the remaining amount to be depreciated. 2. Water Service by THE DISTRICT Within RENTON Citv Limits Withou Annexation to, THE DISTRICT. THE DISTRICT shall provide water service to the following areas within the City Limits which are not within DISTRICT boundaries, - a.nd by agreement will not require annexation (also shown in attached Figure 1): a) Spring Glen Elementary School. b) The West 340.00 feet of the East 670.00 feet of the South 305.00 feet of Section 20, Township 23 North, Range 5 East, W.M., less City and/or County Road. Any new construction within the RENTON City Limits by THE DISTRICT for water service shall be in compliance with RENTON 'requirements including: materials, techniques, fire flow, and all other standards. Future transfer of service area shall be by mutual agreement to be determined at the time any facilities change hands. 3. RENTON Provide Water Service Within DISTRICT Limits. The following areas have already been transferred to RENTON for service, or are herein released to RENTON for provision of water service by RENTON at no further charge for the transfer of such service area. THE DISTRICT releases all claim to water service within the areas described in Exhibit "B", and as shown in attached Figure 1. 4-7:0400400g.001 Page 2 of 11 3 4. Water Service Area BoundaLy Between .RENTON and. THE DISTRICT. The attached Exhibit "C" describes the line separating the. RENTON water service area Born THE DISTRICT water service area. RENTON shall provide ultimate service for the area North and West of the line described. THE DISTRICT shall proVide ultimate service for the. area South and East of.the line described. This line is also shown in attached Figure 1. a. POMbEROSA ESTATES; Sale of Sewer S stem to RENTON.. The facilities listed` below (and on As -Built page A-43 referenced) and the area as described in attached Exhibit "D", and as shown in attached Figures 2 and 3, are hereby transferred (sold) to RENTON by THE DISTRICT. - THE DISTRICT agrees to allow the Ponderosa Estates sewer mains to remain connected to lines belonging to THE DISTRICT. THE DISTRICT further agrees not to charge RENTON for any maintenance of the lines so impacted, so long as RENTON agrees to, and continues to, notify. THE DISTRICT -:whenever maintenance of the lines in Ponderosa Estates will be performed. Furthermore, that the RENTON maintenance crews take steps to minimize the amounts of solids or chemicals which would otherwise be released into thedownstream lines as a result of such maintenance. This will allow THE DISTRICT to coordinate maintenance with the action of RENTON maintenance operations. The lines so included are as follows: Soos Creel (Cascade) Manhole Run (will As -Built Include Upstream Length Diameter Page No. Manhole) (Feet) (Inches) street PONDEROSA ESTATES. A-43 No. 104 to 207 400.0 8 Conc. 116th Ave. S.E. A-43 No. 100 to 201 173.0 8 Conc. 1 18th Ave. S.E. A-43 No. 201 to 202 96.0 8 CQnc. 118th Ave. S.E. A-43 No. 202 to 203 250.0 S Conc. 1 18th Ave. S.E. A-43 No. 203 to 204 210.0 8 Cone. S.E. 156th St. A-43 No. 203 to 205 300.0 8 Conc. 118th Ave. S.E. A-43 no. 205 to 206 308.0 8 Conc. 118th Ave. S.E. a? Latecomers: None due. b) General Facilities Charge: None due. c) Portion of Monthly Service Charge to Cover Bond Indebtedness 47:0400400g.001 Page 3 of 11 As described in Soos Creek Water and Sevier District Resolution No, O145'.C, based upon outstanding debt, the fraction of THE DISTRICT represented by the area of concern, and the portion of the indebtedness which is to be paid by the monthly service charges (and not by U.L...I.D. assessments). That amount is: Ponderosa Estates = $17,488.10 Amount calculated as follows: Number of Connections in Ponderosa Estates. Number of Connections in Sewer Area: Debt Retirement in 1990: Amount Retired by U.L.I.D. Assessments in 1990 Amount Retired by Service Charge in 19.90: Amount Retired per Connection in 1990: Debt Retired in Full in 2003. Remaining Years: Present Value to Cover Indebtedness (6%): 35 18,619 $1,881,554 $771,900 $1,109,654 (Difference) $59,598 12 35 Connections x $59.598 x 8,38384 = $17,488.10 RENTON agrees to compensate THE DISTRICT the amount of $17,48.8.10 as detailed above, for this portion, within 60 days after the date of this agreement. 6. SPRINGBROOK AREA; Sale of Sewer System to RENTON. The facilities involved are as listed,below (and as shown in .figure 4 and on As -built pages referenced, Figures 6-10) and the area is as described in attached Exhibit "E" Soos Creek Manhole Run (Cascade) (Will Include Length Diameter As -Built No. Upstream Manhole) (Feet) (Inches) Street K-25 No. 80-14 to 80-15 242.0 18 Conc. SR 167 (Crossing) K-35 No. 80-15 to 34-OA 140.3 12 PVC S. 192nd St. K-35 No. 34-OA to 34-1 25.9 12 PVC S. 192nd St. K-35 No. 34-1 to 34-2 353.7 12 PVC S. 192nd St. K-35 No. 34-2 to 34-3 375.0 12 PVC S. 192nd St. K-35 No. 34--3 to 34-3A 105.5 12 PVC S_ 192nd St. K-35 No. 34-3A to 34-4 233.5 12 PVC S. 192nd St. 4-7;1341Xoa00g.001 Page 4 of 11 iF Soos Creek Manhole Run (Casco 6) (Will Include Length Diameter As Burlt:No:: Upstream. Manhole) (Feet) (ln.chos) Street K-3.6 No. 34-4 to 34-5 368 0 12 PVC S. 192nd- St. K-36 No. 34-5 to 34-6 147..0 12 PVC. S. 192nd St. K-36 No. 34-6 to 34-16 39'9.0 8° PVC 96th Ave: S. K 36 No. 34-16 to 34-1.7 249.1 8 PVC 96th Ave. S. K-37 No. 34-6 to-34-7 400.0 8 PVC 96th Ave. S. K-37 No. 34-6 to 34-12 403.0 12 PVC S. 192nd St. K-37 No. 34-12 to 34-13 377.2 12 PVC S. 192nd St. K-37 No. 34-13 to 34-14 192.9 12 DIP Easement K-37 No. 34-14 to 34-15 288.0 12 PVC Easement K-38 No. 34-7 to 34-8 400.0 8 PVC 97th Ave. S. K-38 No. 34-8 to 34-9 4.00.0 8 PVC 97th Ave. S. K-38 No. 34-9 to 34-10 400.0 8 PVC 97th Ave. S. K-38 No. 34-10 to 34-1 1 400.0 8 PVC 97th Ave. S. K-40 No. 34-17 to 34-26 179.0 8 PVC 96th Ave. S. a) Latecomers (From U.L.I.D. No. 34) Property 06220.5-9002 440 L.F. @ $35.89 per Lineal Foot Property 793100-0120 170 L.F. @ -$35.89 per Lineal Foot + $275.00 for Stub Property 062205-9002 latecomer ($15,791.60) to be collected by RENTON and paid through to THE DISTRICT -at the. -time of connection. Property 793100-0120 is now RENTON property. However, it is in the r'watershed" and will never be developed, and is therefore not benefitted by the sewer. It is agreed that no payment need be made to Soos Creek at this time. If the property is ever developed, or a facility requiring sewers is placed on the property, then a latecomer amount of $6,376.30 shall be paid to THE DISTRICT by RENTON within 60 days after the date of connection to the sewer. 4-7:0400400g_00I Page 5 of 11 b) General Facilities Charge The 1.991 General Facilities Charge for this basin is $0.0531 per square foot, with a minimum of $531.00 per unit, or customer equivalent. Payab.fe:,at RENTON'.s discretion, to THE DISTRICT by RENTON, on the schedule as Listed below..THty DISTRICT shall advise RENTON of current General Facilities Char9es, and any changes to those charges as they occur. Area is described in attached Exhibi.t "E" and shown in attached Figure 4. Tributary Area: 6,000,000 S.F. (Total area, less 25% for rights -of - way.) Option No. 1 - General Facilities Charge of $199,200 if paid by June 1, 1991. Option No. 2 - General Facilities Charge of $258,900 if paid be- tween June 2 and December 31, 1991, motion No. 3 - If payment has not been made by December 31, 1991, the current General Facility Charge must be paid at the time of connection. If not paid according to Option No. 1 or Option No. 2 above, RENTON shall inform THE DISTRICT whenever an agreement is made for sewer service in this area by RENTON, and RENTON shall pay said charges to THE DISTRICT in accordance with Option No. 3, after the property owner has made such payment to RENTON, as described. in Section 7. Total payment will be dependent upon when the charge is paid, the rate at the time of connection, and the number of units developed. c) Portion of Monthly Service Charge -to Cover Bond Indebtedness Amount for Springbrook Area: $7,994.56 Amount calculated as follows: Number of Connections in Area: 16 (of 18,619 in Total District) Amount Retired by Service Charges in 1990: $1,109,654 ($59.598 per Connection) 4-7--WO ft.°°' Page 6 of 11 Present Value of 12 Years of Repayment: 16 Connections x $59.598 x 8.38384 $7,994.56 RENTON agrees to compensate THE DISTRICT:the amount of $7,994,56 as detailed above, for this portion effective the date of the agreement and due within 60 days. 7. Notification of THE DISTRICT of New Connections and Payment of THE 01TRICT's General Facilities Charge. Notification shall be made by RENTON to THE DISTRICT at the time of connection of any property in the Springbrook Interceptor Service area. The notification shall be accompanied by a plot plan, or letter, indicating the square footage of the property, and including payment to THE DISTRICT of THE DISTRICT's General Facilities Charges, as described in Section 6b, and based upon the then currentratte,;'as-reported to RENTON by THE DISTRICT. The. General Facilities Charge shall be based upon the area of the property connected, or the number of dwelling units (or single-family equivalents if not residential), whichever is larger; except that, unserviceable and°:unusable portions of the property are not included. in the calculation of the General Facilities Charge, except for those portions which also benefit the development of the property, such as being included in the normal setback requirements, or landscape requirements. Included in this exempt category are: roads and similar rights--of-way, open space required, wetlands, unusable steep -slope areas, and the setbacks for these restrictive conditions. 8. Transfer of Easement and Right -of -Way Documents. THE DISTRICT shall officially transfer the right-of-way documents for the facilities herein sold to RENTON, and RENTON agrees;to-accept responsibility -for all maintenance or other actions required by said documents. THE DISTRICT shall not have any liability for disputes arising over said rights -of -way or easements so transferred, except that any disputes arising due to the actions .of THE- DISTRICT prior to said transfer shall not be affected by this section. 9. Disclaimer From Third Party Liability. The DISTRICT shall disclose any and all known defects or problems of or in the facilities herein transferred to RENTON. THE DISTRICT shall not be liable for any claims by third parties arising from acts or damages by RENTON or its customers in using the facilities sold to RENTON pursuant to this Agreement. 4-7:04W400g.,001 Page 7 of 11 1 a. SewerService Area Boundary Between RENTON and THE DISTRICT. With the above transfer (s4le) of existing facilities and service area, and reasonable service area limits. corresponding to this action, the. Fine separating the. RENTON service area from THE DISTRIOT service area for sanitary sewers is described in attached l xhilbit "'F", and is shown in attached Figure 11. RENTON shall provide ultimate service for the area north and west of the line shown. THE DISTRICT shall provide ultimate service for the area south and east of the line shown. 11. Maintenance of Existing�Fa.cilities. THE DISTRICT and RENTON will each provide maintenance for its own facilities. If there are any serious problems due to a discharge which can be identified, and for which the source can be identified, the individual or company responsible -will be held -liable for damage. If a lack of maintenance, or if the type of maintenance -by either RENTON or THE DISTRICT is identified as the source of said problem, then the party creating, or allowing, the situation shall be responsible and shall pay the costs of repair. In case of dispute over the source or responsibility of said problems, the Municipality of [Metropolitan Seattle (Metro) shall serve as arbitrator in identifying.and quantifying said Problems provided that said arbitration andlor any reports generated by an investigation by Metro, shall be binding upon both parties in resolution of the dispute. 12. Allowable Capacities in the Lines being Transferred, and at Points Further Downstream. There are no restrictions on the capacity of the sewers from Ponderosa Estates as long as they are consistent with the current use .of the properties. There are currently 35 single family residences, and the property, is fully developed. If this condition ever changes, a further review of the capacity of the system- shall be performed, and .an additional agreement shall be developed between the parties. Capacity for the system in the'Springbrook drainage basin shall -be as follows: AT TIMES OF SIMULTANEOUS PEAK FLOW SOOS CITY OF RESERVED CREEK RENTON FOR CITY OF (gpm) lgprn) KENT 19pm1 S. 192nd Street, at and below 1500 600 0 MH 34-3 4-7:9400400g.001 Page 8 of 11 S. 1:92nd Street, at and below 1800 1500 0 MH 34-OA S. 192-n'd Street, at and below 3900 1500 0 MH 80-14 West of MH 80-14 3900 1500 400 No connections, by either patty, will be allowed between Manhole 34-OA and Manhole 80-1 a except by mutual agreement. Both parties agree that either may exceed this amount at the non -peak times, as long as there are no negative impacts, and the combined capacity of the system is not exceeded, and prior notification is given to the other party. It shall be the responsibility of each part to monitor its flow as and when necessary to determine what the flaw rate characteristics of the system are. If the combined capacity of the system is exceeded, the party exceeding its allowable rate shall have the option of making revisions within its own system to bring its flows into compliance with this Section, or of paying for improve- ments to either system which will increase the available capacity of the systems. If both parties exceed their allowable rate, the cost of any new facilities will be divided based upon the ratio of the percentage by which each party is exceeding its allowable rate. If the allowable rate is exceeded at only one location, the ratio at that location will be used. If the rate is exceeded ,at more than one location, the ratio will be based upon the furthest east point at which the allowable rates are being exceeded. If a regular surcharge condition exists that is not due to a blockage problem, a previously agreed upon temporary situation such as re-routing for construction, or by either party exceeding its capacity, the DISTRICT shall have.the option of making revision within its own system to bring its flows into compliance with this section, or of paying for improvements to either system which will resolve the surcharge condition. Both parties acknowledge and agree: that the City of Kent is not a party to this agreement, and the amount referenced for the City of Kent is for reference only and could be the basis for a separate agreement in the future involving THE DISTRICT and the City of Kent, and involving RENTON if their rate allowance is at all to be affected. 13. Connection of THE DISTRICT to RENTON Facilities or RENTON to THE DISTRICT_ Facilities. Connection of facilities of either RENTON or THE DISTRICT to facilities of the other, or to facilities tributary to facilities of the other, shall be coordinated by both parties to assure: a) Payment of appropriate charges, b) up-to-date accounting of connections, c) potential sources of debris, or construction damage, are identified, and 4a:0400aft,001 Page 9 of 11 d) inspection of connection construction can be scheduled. RENTON and THE DISTRICT shall each be. responsible for maintenance of their Own facilities, except as describer/ in Section 11 above. Should damage of the facilities of .one be traceable to a source within the jurisdiction of the other, RENTON and THE DISTRICT agree to assist each other in whatever action is necessary to identify, prosecute, fine, collect from, or otherwise deal with the responsible party. 14. Futurg Annexations toRENTO'N. The service areas listed in sections 1-7 of this AGREEMENT are the only areas of cross -service agreed to at this time. RENTON shall serve all other areas within RENTON without challenge by THE DISTRICT, based upon the City limits at the date of the agreement. THE DISTRICT shall serve all areas within THE DISTRICT's limits at -the time of this agreement, except as previously detailed. Future ann-exatior€.:to RENTON shall not limit THE DISTRICT providirig water or sewer service to those areas within THE DISTRICT limits to the standards of THE DISTRICT, even if there is conflict with RENTON standards, unless this is altered by future agreements. Future agreements may occur between RENTON and THE DISTRICT transfer- ring additional, or future, services areas and/or facilities by mutual agreement. 15. DISTRICT Comprehensive Water and Sewer Planning. THE DISTRICT will submit the current and ail future Comprehensive Water and/or Sewerage Plans and amendments thereto involving area and/or improvements within RENTON City Limits. The Comprehensive Water and/or Sewerage Plans and amend- ments shall be in compliance with RENTON requirements for service within RENTON, except where existing facilities may differ from RENTON require- ments. No replacement or augmenting: of the system shall be required at this time. As new facilities are planned and constructed within RENTON, they shall comply with RENTON technical standards then in effect. 16. Extensions of Utilities Across_Properti'es. RENTON and THE DISTRICT agree that they will require property owners who must extend facilities to serve their Property to extend said facilities to the far side of the property to provide a connection point for the future (or existing) facilities of the next property. 17. Recordio-ci of Acireement with King County. THE DISTINCT is hereby authorized to record a copy of a resolution in which a copy of this Agreement is incorporated with the office of the Auditor of King County, Washington, for the purposes of giving notice to all present and future owners of the real property described in Exhibit "E" that their properties are subject to the connection charges specified herein. 4-7:040WON.001 Page 10 of 11 l 18. S:ubmittal of Agredm en. to the Boundary. Review Board THE DISTRICT is hereby authorized to prepare a submittal to the Washington StaeBoundary Rerti6vv Board for King County. THE' DISTRCCT and RI NTON agree to be copra�pon.ents of the submittal, and to prow=icfe any support requested or requrrecl by King County or the Boundary Review >Board in the review and apprrel process. RENTON agrees to pay THE DISTRICT for one-half of all costs invalved sub in.the 'm ttal review and approval'' rocess, to a maximum of s3,DDQ (50 percent of �'6,000 estimated total expenses). 19. Sanctity of Agreement. This agreement constitutes the entire agreement of the parties, and. there. are no representations or oral agreements other than those listed herein, whi0h vary the terms of this agreement. Future agreements may occur between the parties to transfer additional, or future, service areas and/or facilities by mutual: agreement. 20. Obligations Intact. Nothing herein shall be construed to alter the rights, responsibilities, liabilities, or obligations of either THE DISTRICT or RENTON regarding provisions of water or sewer services to the properties described herein, or other properties, except as specifically set forth herein. DATED this � day of 19 Approved by Ordinance No. of the City Council of the City of RENTON, Washington, at its regular meeting held on day of , 19_. Title ATTEST: 0666--S Approved by Resolution No. / of the Board of Commissioners cf SrJ.OS CREEK WATER AND SEWER DISTRICT of King County, Washington, adopted at its regular meeting held on 18th day of , RPr . 1941• S S C EE ATER AND Bk* Patrick Title: Board of Corm 4-7:0400400g.001 Page 11 of 11 ,fzi 1 ; PresidRft issioners CAG-97-164 CITY OF RENTQN and SQOS CREEK WATER AND SEWER DISTRICT INTERI.00'AL AGREEMENT FOR THE; I.I ESTABSMMENT. OF SERVICE BOUNDARIES TMIS AGREEM NT, made and entered into this I I day. of 19�, by.and between the CITY .OF RENTON a Wasltington municipal.ct�rporation, hereinafter referred to as "the City", and SODS CREEK WATER AND SEWER DISTRICT, a Washington municipal corporation; hereinafter referred to as "the District", both being duly organized and existing under and by virtue of the laws of the State of Washington, 'i I TNESSETH: WHEREAS, both the City and the District are public agencies authorized by law and qualified to engage in Runishing water service and sanitary sewer service within their prescribed areas; and WHEREAS, it is in the public interest for the parties herein to amend the boundaries previously agreed to under the.1991 Interlocal Agreement to provide for the efficient planning and development of water and sewer services in areas which may be served by either, or both, of the parties herein. NOW, THEREFORE: IT IS HEREBY AGREED by and between the parties hereto as follows: 1.. Water Service Boundary. The parties have agreed on a revision to the permanent water service area boundary between them. The revised boundary,is legally described in Exhibit "A", whim is attached hereto, and by this reference incorporated herein. The boundary is graphically depicted on the reap attached hereto as Exhibit 'B", which is by reference incorporated herein_ 2. Sewer Service Boundary. The parties have agreed on a revision to the permanent sewer service area boundary between there. The revised boundary is legally described in Exhibit`"C"; which is attached hereto, and by this reference incorporated herein_ The boundary is graphically depicted on the map attached hereto as Exhibit "D", which is by reference incorporated herein_ Renton/Soos Creek Interlocal Agreement for the Establishment of Service Area Boundaries - 1 3. Transfer of Service Area. The City shall assume:responsibility to provide service to The area(s) on the CiWs side of the respective service lea boundaries as revised by thus agareement, whether or not annexed: to the City, The District shall, assume respo isibihty=to provide service to the areas} on the; l]istriet's. side of ttie respective service area b'eenctares as revised by this agreement,. whether or not annexed to the City. As part of this agreement, the sewer f ties:installed under District ULID l j ,shall be m. sferred`to the City as:descrit-ed in the November 19, 19741nte 'loc$, agreement notwithsta.ntiing that the properties served: by these sewers Have not been amexed stothe City. 4. Governmental Approvals. The parties may give .notice of the adoption of this Agreement to Metropol[tanff(itig County; to the Department of Ecology, to the Department of Health, and'to any other agency with jurisdiction or mission relevant to the terms hereof, and small cooperate and assist in all reasonable manner in procuring any necessary approvals hereof by those agencies. 5. Sanc#rty of AgreermeiA. This agreement constitutes the entire agreement of the parties regarding the subject matter hereof, and there are no other representations or oral agreements other than those listed her which vary the terms of this agreement_ Future agreements may ocrxtr between the parties .to transfer additional, or future service areas by mutual agreement. 6. Obligations Intact. Nothing herein shall be construed to alter the rights, responsibilities, liabilities, or obligations of either the City or the District pursuant to the . AGREEMENT FOR THE TRANSFER OF FACILITIES AND FOR THE ESTABLISHMENT OF SERVICE BOUNDARIES, previously executer] by the parties, except as specifically set forth herein. Approved by Resolution No. ,a$ of the City of Renton, Washington, at its regular meeting held -on the day of 0C40 � , 199_? . CITY OF RENTON By: c� Jess anner Title: mgmor Attest: *t4A01Qk a�' - Brenda Fritsvoid Deputy City Clerk RentonE/Soos Creek Interlocal Agreement for the Establishment of Service Area Boundaries - 2 A S Approved by Resolution No. 1611-G of Soos Creek Rater and Sewer District of King County, Washington, at its regular meeting- held on the 2:I st day of May, 1997. SO0,S CREE Tit LM of Philip S*OK Secretary of Board Kenton/Soos Creek Interlocal Agreement for the Establishment of Service Area Boundaries - 3 CAG--03-197 CITY OF RENTON AND SKYWAY WATER AND SEWER DISTRICT FOR THE ESTABLISHMENT OF WATER AND SANITARY SEWER SERVICE BOUNDARIES st TRIS AGREEMENT is. entered into this day of _ � 200.3 , by and bef Teen SKYWAY WATER .AND SEWER DISTRICT, a Washington municipal corporation, hereinafter referred to as "SWSD", and the CITY OF RENTON, a Washington municipal corporation, hereinafter referred to as "RENTON". WITNESSETH: WHEREAS, SWSD is qualified to provide water and sanitary sewer service within its prescribed area; and WHEREAS, RENTON is qualified to provide public services, including water and sanitary sewer service, within its prescribed areas; and WHEREAS, the former Skyway Water and Sewer and Bryn Mawr-Lakeridge Water and Sewer Districts have officially merged, with the district subsequently retaining the name of Skyway Water and Sewer District; and WHEREAS, the former Skyway Water and Sewer District had existing water and sewer boundary agreements with RENTON, and WHEREAS, SWSD provides water and sanitary sewer service in an area adjacent to and within RENTON's corporate boundaries and it is in the public interest for the parties herein to enter into an agreement to provide for the efficient planning and development of new water and sanitary sewer services in areas which may be served by either, or both, of the parties; now, therefore, 1T 1S HEREBY AGREED by and between the parties hereto as follows: Water Service Area Boundau Between RENTON and SWSD. The attached legal description, Exhibit A, describes the line separating the RENTON water service area from SWSD water service area. The attached map, Exhibit B, depicts the line separating the RENTON water service area from SWSD water service area. RENTON shall provide water service for the area generally South and East of the line illustrated. SWSD shall provide water service for the area generally North and West of the line illustrated. Any new construction, upgrading, or replacements within the RENTON City Limits by SWSD for water service shall be in compliance with RENTON design and construction standards then in effect or SWSD design and construction standards, whichever are the higher design and construction standards including: materials, techniques, and fire flow. Page t of 5 2. Cit of S.eattie Water Service Area: The City of Seattle (SEATTL.E) currently provides direct water service. to portions of the :service area being discussed in this agreement. These areas are not configu©us to the remainder of S ATTLFs. service area; but have been. Served by SEATTLE for some time. These areas, herinafter the "Transfer Area". are identified in <the Skyway Coordinated Water System Plan, as to be transferred to the approiorj*e purveyors as feasible and ! or required by new development or annexation. SEATt E is not a party to: this agreement and; the agreement should have rio direct effect on SEATTLE. This agreement does not directly discuss the transfer of the S:EATTLE service areas. This agreement only identifies the boundaries of the local, purveyors to whom the service areas would .belong to when transferred. 3. O:verl s in Water Service Within Transfer Area: Any overlaps in water service in the Transfer Area will be addressed at the time of the actual transfer and will not be determined as part of this agreement. RENTON and SWSD mutually agree to notify the other and receive concurrence from the other prior to providing service to any additional customers within the Transfer Area. Properties within the transfer area are depicted on Exhibit B 4. Transfer of certain Seattle Public Utilities Water Mains Within and Alonq the Transfer Area to RENTON: SWSD agrees that RENTON and Seattle Public Utilities have the right and would not be violating the intent of this agreement t.o transfer the ownership of the following water mains from Seattle Public utilities to RENTON.- a) the twelve inch diameter water main which runs southeasterly along Martin Luther King Way from the intersection of 68 h Avenue South and Martin Luther King Way to the intersection of Martin Luther King Way and South 136 h Street then northerly within an easement to South 133`d Street then easterly along South 133 d Street to the intersection of South 13V Street South 132' d Street, and South 134 h Street where it is reduced to an eight inch diameter water main, and b) the eight inch diameter water main which runs easterly along South 132` 4 Street from the twelve inch by eight inch reducer at the intersection of South 133`d Street South 132`d Street, and South 134 h Street to the intersection of South Langston Road and South 134 h Street, and c) the water main that varies in diameter from eight inches to four inches to six inches which runs easterly along South 135"' Street from the intersection of South 135 h Street and Martin Luther King Way to the intersection of South 135`E' Street and 80t' Avenue South then northerly along 8& Avenue South to the intersection of 80ff' Avenue South and South I U4 h Street. Page 2 of 5 5. Existing SWSD Water Service Connections in RENTON Service Area: SWSD currently provides water service to properties inside RENTON's water service area. RENTON consents to SWSD continuing to provide water service to these properties. The properties are listed in. Exhibit E and depicted in Exhibit B_ B. Existin RENTO:N Water Service Connections in SWSD Service. Area. RENTON currently provides water service to prvperties.inside SVIr`SUs water service area. SWSD consents to RENTON continuing to provide water service to these properties. The properties are listed in Exhibit F and depicted in Exhibit B. 7- Overlap Areas: It is understood that RENTON and SWSD will continue providing service within the service area boundaries of the . adjacent water utility, as defined in Sections 5 and 6 of this agreement, and which shall be known as overlap areas. RENTON and SWSD agree that any retail water service line extending outside of the service area boundary, as set forth in Section 1, shall be phased out and service transferred to the adjacent utility by mutual agreement. 8. Sewer Service Area Bounds Between RENTON and SWSD. The attached legal description, Exhibit C, describes the line separating the RENTON sewer service area from SWSD sewer service area. The attached map, Exhibit D, depicts the line separating the RENTON sewer service area from SWSD sewer service area. RENTON shall provide sanitary sewer service for the area generally South and East of the line illustrated. SWSD shall provide sanitary sewer service for the area generally North and West of the line illustrated. Any new construction, upgrading, or replacements within the RENTON City Limits by SWSD for sewer service shall be in compliance with RENTON design and constructions standards then in effect, or SWSD design and construction standards, whichever are the higher design and construction standards including: materials and techniques. 9. RENTON's Service Area Boundaries Overly SWSD's Corporate Boundary: There are areas where RENTON's service area boundaries and SWSD's corporate boundary overlap. RENTON and SWSD acknowledge that, with regard to providing service, it is the water and sanitary sewer service boundaries which govern, not the corporate boundaries. 10. Rescission of Prior A reements: The former Skyway Water and Sewer District and RENTON entered into an agreement relating to water service area boundaries between the two jurisdictions dated February 2, 1998_ That boundary has been incorporated into the SWSD boundary adopted by this document and the agreement is hereby rescinded. The former Skyway Water and Sewer District and RENTON entered into an agreement relating to sanitary sewer service area boundaries between the two jurisdictions dated June 9, 1994_ That boundary has been incorporated into the Page 3 of 5 SWSD boundary adopted by this document and the agreement is hereby rescinded. t'i. Maintenance of Existing` Facilities: SWSD and RENTON will each maintain their own facilities, accvrdrrig to in,dustrystandards. 1Z SWSD Corn rehensit e Vllater:.and Sewer Planning.SWSD will submit, to RENTON, all future GompreherrsN 6 Water and Sewerage Plans and amendments thereto involving area: and/or improvements withih RENTON City Limits_ Said submission of the SWSD Plan(s) is to assure consistency with adopted city plans, policies, and land use controls, assist in the review of new development proposals and right-of-way construction permits, and to fulll the responsibilities set forth in RCW 57 and King County Title 13. As new facilities are planned, constructed, maintained, and/or replaced within RENTON, they shall comply with RENTON design and construction standards than in effect, or SWSD design and construction standards, whichever are the higher design and construction standards. 13. Extension of Utilities. Across Proper -ties. RENTON and SWSD agree that they will require property owners who roust extend facilities to service their property in a comprehensive fashion up to and including extending said facilities to the far side of the property; when appropriate, to provide a connection point for the future (or existing) facilities of the next property. 14. Franchise Agreement. upon RENTON annexing property within the SVVSD service area, RENTON shall grant SWSD, for the purposes of continuing use of rights -of -way, a temporary franchise for utility facilities within the annexed territory_ This franchise shall have the same provisions as stated in the franchise between King County and SWSD and have a term not to exceed 3 (three) years. RENTON and SWSD will immediately begin negotiations for a new franchise for the purposes of rights -of -way use for SWSD service area within RENTON. The new franchise shall be negotiated within three years. Upon any subsequent annexations by RENTON within the SWSD service area, RENTON shall amend the franchise to include the annexed area, in order to maintain one franchise agreement. The franchise shall maintain the remaining balance of the term of the franchise. The franchise should include any updated provisions as approved by RENTON and agreed to by SWSD. Any franchise agreement issued hereunder shall be consistent with the respective comprehensive plans of the parties and State law. 15. Governmental Approvals. The parties will give notice of the adoption of this Agreement to Metropolitan King County, to the Department of Ecology, to the Department of Health, and to any other agency with jurisdiction, and shall Page 4 of 5 cooperate and assist in any reasonable manner in procuring any necessary approvals hereof by those agencies. 16. Miscellaneous. This Agreement constitutes the entire agreement of the parties, concemng the subject matter herein, and there are no representations or oral agreements other than those listed herein, which vary the terms of this Agreement. Futdre agreements may occur between the parties to identify, agree upon, or transfer service areas and/or facilities: This Agreement shall have a term of 25 (twenty-five) years. 17. Obli. , ations Intact. Nothing herein shall be construed to alter the rights, responsibilities, liabilities, or obligations of either SWSD or RENTON regarding provisions of water or sewer services to the properties described herein, or other properties, except as specifically set forth herein. DATED this • / st day of .12009. Authorized by Resolution No. 3675 of the City Council of the City of Renton, Washington, at its regular meeting held on 8th day of December , 2003 . CITY O ENTON JessetYanner, Mayor Date ATTEST: V Lr1 4a-9r-4490S Bonnie I. Walton, City Clerk Date APPRO AS T FORM: Lawrence J_ Warre , City Attorney Approved by Resolution No. 05- of the Board of Commissioners of SKYWAY WATER AND SEWER DISTRICT of King County Washington, adopted at its regular meeting held one day of , 2066. SKYWAY WATER AND SEWER ICT By: Title: _- 6w-A Q-ra..L. Page 5 of 5 '' ✓ .� r 4. 41 T#il.` AGR[:i: Wfl'r made and entered' into this fIxaaday of � by Renton, hereinafter referred 1970 and between the City of to as "City", Issaquah School District 0411, hereinafter referred to as "School District" and King County Water District 190, hereinafter r' + refer -red to as "Xacer District", {{ % W I T N E S S r. r H• ;_ WIIIREAS School District is contemplating the construction of a certain clamentarq school located within the present boundaries q '�- of Water District and WHEREAS bath such Districts have petitioned the City of Renton to provide for the installation, construction and hookup to the city's existing sewer system as herein below set forth and 'A!EREAS all of the parties are agreeable to accomplish the foregoing subject to the terms and conditions herein below set . forth, f NOW THEREFORE, IT IS HEREBY AGREED Aim COVENANTED BY i AMID 8£TWE£H TlIE ArORESAID PARTIES AS FOLL0WS: � 1. The Water District is hereby given Fermission by City to build, construct and install a certain a inch sewer line over, ; unto and across the following described property, a diatance of app. 200 feet to -wit: On S.E. 116th Streot, from approximately 195 feet fast of 140th Ave. S.4% to existing manhole located 5 tact, more or lone, gigot of 140th Ave. S.ii. � A iiix 't and to hook up said line to the City's existing sewer installation lo- � cated as follows: Existing W on S.E. 116th Street approximately 5 ►est of KUM Avenue • -1- - • 2. it in expromply underotood and agreed that said sewer installation, aervie4 and maintenance thereof shall be limited to and for the purpose of servicing the proposed elementary school to be built by School Pistrict in the vicinity of Southeast 116th Street and 148th Avenue Southeast, and for no other purpose." 3. All such work, whether for labor, material, secure- '� ment of easaments and other right of way, shall be at the sole cost and a a expense of the partial other than City and City shall be hold harmless from any liability or cost in connection therewith whatsoever. 4. All expenses and costs for the maintenance, replace- mcn: and servicing of said sewer line, when so installed and connected, a.a shall be at the sole cost of Water D-istrict. S. Water, District further agrees to pay unto the City the regular sewer charges as provided for by the City's ordinance for quasi -municipal corporations and located outside the City limits, to - F gather with any and all charges imposed or assessed by the Hanicipality of Hctropolitan Seattle, known as`fetror b. In further consideration of City entering into this Agreement, School District agrees, at its coat and expense, to enlarge k that certain wet well for the existing city lift station located at Sunset Boulevard East and Union Avenue T. E. in order to adequately accommodate the additional sewage volume anticipated from said School 11istrlct's elementary school 7. school District shall deed unto the City by Sill of Sale and/or Qu. •'M Deed that certain section of gravitysystem to be x; constructed ,:. .aa westerly and of the propoaed extention, and all as � more particularly shown on the attached exhibit, labeled "Exhibit A", which is incorporated herein and made a part hereof which said Exhibit,_ �.,-. shall &V s govern the location and construction of subject sewer line. � .: Such trak.:ate r and conveyance: shall be made without cost unto city. .• t E F' 3`3�ct€ 8. All of the plans, specifications, and terms of such J A construction tY project shall be submitted unto City and "Metro" for thair..- prior written approval and no work shall be undertaken until such approval has been secured. 9. Water District, provided it is responsible for the in- stallation or said sewer line, shall retain ownership thereof; but in the event the area containing said sewer extenaior, or any portion thereof, is hereafter annexed unto the City of Renton as provided by law, then Wdtor District 5hill promptly and timely convey such sewer line unto the City of Xenton, without cost or expanse to City, and Water District shall thereupon promptly execute and deliver unto the City its BL11 of sale therefor. 10. This Agreement shall be in effect for a term of 10 years or until such time as Water District has developed and constructed its own trunk sewer system to service the property of School District at which time the City will discontinue its service to the School District and Water District shall promptly pay all charges and expenses up to the effective date of such terminavion, Water District shall give at least ninaty (90) days prior written notice unto City prior to the effective date of its service unto -che School District. In the event, however, that Water District has not constructed and put into use its own trunk sewer line upon the expiration of this initial term, then both districts shall have the right -to renew such tam for a further period of 10 years upon ouch terms and conditions as the parties beret) may agree on. 11. All construction shall be performed in ,Compliance with 4,,,. all applicable building codes and upon Approval.in addition to the City I%Aulhu nr. nlaiminff A v Fj.-:.i 'ACT C-•': �.�•�• ' _ 12. SChool District and Hater District, savarally and jointly, hereby agree and covenant to hold the City harmless fr= any �n � liability, cost or expanse in connection with the aforeopocifitd rani» ` tary sewer project, its construction, maintenance and replaCesto.AtVJ'* whether to person or persons or damage to property or both.. 1'n the event city is joined as a party defendant in any litigation or claim arising out of Or in connection with the aforesaid sanitary sewer pro- ject, than both Districts agree to promptly and timely defend such natter or such claim on,behalf of the City of Renton without cost or expense to the latter. im if mms waittor, the parties hereto have hareunto se.t their hands and soak the day and year in this instrument first Above written. cm of RMTON ,ISSAQLVJI SCHOOL DISTRICT 1412 xiNr, CQUM WATER DISTRUT 190 9 144 r` S?ATc oP 1fASHIRG'f'oH) , coum oP xiNG } ss f4n this 1&4 day oi121'7A4.r+% , 1970, before, me, the undersisnad,- a Notary. ;,Public in and for the State of W shingtQQnduly comissionad end sworn personally appeared O*vtv andNW aye known to be the ►,�. and t� C� si. . respectively, of the City of Banton, a eaa is yaI corporation that a ocu#ad tha foreiping instrument, and Acknow fledged the said instrument to be the free and voluntary act and dead of said 'corporation, for the uses and purposes therein mntionad, and on.oath stated 'ithatrPJ . authorized to execute the said instrument and that the goal offixe Is..thoorporxto Baal of said corporation...::. ,= WITNESS my hand and official coal hereto affixed the day and year, =certificato above written. ,ar ; o u o n an or a trx s m� 1 of anhington, residing at AantRn cAG 035-75 AGREEMENT TH'l'S AGREEMENT, made and entered into this day of -- JT 1975 by and between the CITY OF RENTON, a municipal corporation operating as a non -charter code city, hereinafter :referred to as "Ci:ty" and KING COIN TY WATER DISTRICT NO. 107, a municipal corporation, herein- after referred to as "District". r WITNES5ETH: WHEREAS, City and District are situated contiguously in King County, State of Washington; and WHEREAS, City is presently prepari-ng construction plans and cart for bids in connection with Local Improvement District No. 284 including the construction of'an interceptor sewer line extending from the present sewer collection trunk line operated by the Municipality of Metropolitan Seattle, which line, when extended, will run within the boundaries of District; and. WHEREAS. District likewise intends to utilize said interceptor sewer line within its boundaries and in order to avoid duplication of such trunk facilities; and, WHEREAS, District is willing to pay for the total cost of said line and to promptly reimburse the City for all of such costs and expenses incurred for said sewer line located outside the present b amdaries of Local, Improvement District No. 284, further reference being hereby had thereto. NOW, THEREFORE, IT 15 HEREBY MUTUALLY AGREED AND COVENANTED by and between the parties as follows: I. The parties eater into this Agreement under the authority of RCW 39.34.080. 2. Said Sewer line and appurtenances thereto shall be constructed through and across certain areas within the City of Renton and Plater District No. 107, King County, Washington, as follows: SEE EXHIBIT "A" 3• District hereby gives and grants unto the City full authority for the construction and installation of said line within the boundaries of District; it being understood and agreed that City's contractor, after award of bid to the - .lowest responsible bidder, will perform all of such work within the boundaries of said Local improvement District and within District's territory as,more particularly shown on the attached exhibit which is incorporated herein as if fully set forth. 4. The District will pay for all such construction work within the boundaries"of the District, plus the difference between the cost of an 8-inch Vine i0d whatever size line is constructed on City property; it being agreed F that the larger Iine is for D'strlct's benefit, The Cost of such overslxing will be determined by the difference between responsible low bads for con- structing.an 8-inch and the larger size line within City's Local Improvement District.. Cit:y,will .bill District -the costs for. .which District is responsible herein. Di,str.icr Will pa,y said billings to the 01rector of Finance, City Ball, City of -Renton, Washington on or before the end of the month during which District has had possession of any such billing by the second Monday thereof (it being under- stood that vouchers for payment of monthly District liabllitie3 are considered for approval by District's Board of Commissioners at their regular meetings on the second Wednesday of each month. tiQ such billings shall be payable by District unless accompanied by a certificate f-rom City's Engineer that the construction work represented thereby has been acceptably completed by the contractor. 5. Upon completion of said sewer line installation and acceptance thereof by the parties, said line shall be used, operated and maintained by the District and the City, respectively, for service of their present and future customers so as to transfer all sewage collected by the City and District within their respective territories for delivery to the Metro trunk line and each party shall pay its respective share therefor; no payment or service charge shall be required by either of these parties against the other for the right and privilege of such use after payment of construction costs as herein provided. 5. City shall have the right to authorize connections to said line or any line tributary to said line by property owners situated within the boundaries of the City of Renton. King County, Washington, as they now or may hereafter exist, and upon such terms and conditions as the City may establish for maki.ng such connections as per City's resolutions and ordinances. City shall have the right to authorize connections to said line or any line tributary thereto by property owners that may hereafter annex to the City and upon such terms and conditions as provided for by the policies, rules and regulations of the City. 7. District likewise shall have the right to authorize connections to said line by property owners located within the boundaries of said District and upon such terms and conditions as the District may establish -from time -to -Time for making such connections. 8. Once said sewer line has been installed and accepted from the contractor, all costs of maintenance, repair and operation incurred for said Interceptor line shall be borne solely by the City as to that section of the line located within the boundaries of the City; all of such maintenance, repair and operation expenses as to the line located outside the boundaries of the City shall be'borne solely by District. Each of the parties shall be responsible for and prornptl'y repair and remedy any damages or defects occurring to, on or about said brie within its respective territorial jurisdiction. 9. Title and ownership of said line, upon completion and acceptance thereof, shall be in the City as to .that portion thereof within City's. Local Improvement District, and .in District as to the remainder. 10. The capacity of said line is agreed to be 2.15 million gallons per .day (mgd;j.. District's utilization of said line is "limited to 1.65 mgd. and City's to .50 mgd., but each'pa.rty hereto 'warrants and guarantees the other's right to +itilize said line for .the gallonage per day to which each party is herein` }' f'liMated. whichever of the parties causes said line to exceed. its total gallonage per day shall be financially responsible for 'implementing delivery of .its excess sewage to the Metro trunk line by mutually agreeable arrangements. s.'. s`Czty assumes the responsibility for measuring total daily gallonage in the line and to promptly notify District when said line exceeds its capacity. 11. It is .further anticipated that the total cost of said construction to be borne by District, as herein above set forth, is approximately $120,000.00 less any monies made available from Pederal and State grants; City agrees to advise District of any substantial change in said estimate. District further warrants that proper funds have been budgeted by District for payment of the aforementioned improvements within its boundaries and that District has lawful right to make such payments unto City as hercinabove set forth. A portion of all governmental grant funds received by City in connection with construction of said line shall be credited by City to the District's: obligations -hereunder in the ratio which District's share of the cost of the line bears to the total cost of the project. District will be promptly notified of the receipt of said funds and of the amount thereof to be credited to District. Such credits will be promptly applied by City against District's liabilities hereunder until exhausted. If application of such credit results in an overpayment by District, City will promptly reimburse District accordingly. .12. Each of the parties hereby agrees, in order to effectuate the terms of this Agreement, to execute and deliver unto the other, whenever reasonably necessary, appropriate permits, easements and like documents, and to co-operate with the other to assist'in compliance with the Washington Inter -Local Co --operation Act (RCw 39.34 et seq) and/or any other laws applicable to the parties or the subject matter. 13. The duration of this Agreement shall be perpetual until - 3 - .:.: o , mut.pally rescinded or amended by the parties or., by a Court of competent jurisdiction. IN WlTNIrSs wjrrRr;O>• , 'the parties have fierefio set their hands and seals this 1j!?A day of 1975. KING COUNTY WATLM DIS T No. 107 :; CITY OF RENTON,.. WASIIINGTON Dy By C airman ,. ' d By Secretary ,',to rep Cxt Clerk EXHIBIT "A" } F� The following, - description Located in King -county, Washington described r to centerline route of the ' proposed Enterceptar Sewer from Its paint of discharge into the Trunk Sewers of the Municipality of Metropolitan Seattle to the northerly terminus of the proposed interceptor sewer. Beginning at the North Quarter corner of Section 32, T 24 N, R 5 E, W.M., thence. south 1°41146" West, a distance of 1098.00 feet thence North 90000100" East 15.00 feet to the true point of -beginning; also being existing Metro Manhole. i I. Thence North 10.41146" E 5.44.00 feet 2. Thence South 88046156" E 274.00 feet 3. Thence North 0'4514911 E 1185.00 feet 4. Thence North 88040156" W 322.00 feet 5. Thence North 0*471181' E 700.00 feet ti r i� l � +ji 469 FO; i47 Iwo 171 tl4 1'�} ,I'rL i .1 f il'.f1:1 •i-'?� ::ir-��i .7''± .: I' t... L: L.. •'d Lj t u J t w ' o OUN ARY T w ! 1 �•i r. N , `I. s c l s II c s + 2 i ` , • lry,' i' i• •S'�4i`i'iy'•�. • j 7 t 1 70 If • 'i ,�r:.h •���'- L 1, N !, M S. r 47 R r� MIBIT "B" PY .- UTILITY FRANCHISE THIS UTILITY FRANCHISE is given this C�-day of -•R - ,r 1987, by the City of Renton, Ring County. Washington, a municipal corporation ("Renton" or "Grantor") to Fi:ng County Water District No. 107, a municipal corporation ("District" or "Grantee"). SECTION 1: RECITALS Q? 1.01. The District has applied to Renton for a sewer E atility franchise to install, construct, maintain and operate sewer lines, including mains, lateral, appurtenances 0 and side sewers along, under and across such city roads, 00 00 streets, avenues, boulevards, alleys and public places V4 hereinafter called "rights -of --way", within the District's � service area. 1.02. The Renton City Council ("Council") has reviewed and considered such application for sewer utility franchise. WHEREFORE., in consideration of the terms and conditions herein, Renton hereby grants. to the District a sewer utility ,franchise as follows: SECTION 2: SEWER UTILITY FRANCHISE 2:OI. Renton, pursuant to Resolution No. , o2,69� duly and regularly enacted by its Council on the .9...t ddey of 1987, hereby grants to the district and to its successors and assigns, for the term of twenty-five (25) years from the date hereof, the right, privilege, authority and franchise for itself, its successors and assigns, to install, construct, maintain and operate sewer lines, including mains, laterals, appurtenances, and side sewers along, under and across such City rights -of -way, together with all necessary equipment of every sort necessary, subject to all the terms and conditions herein. 2.02. This Utility franchise shall apply to those portions of the District's sewer lines and appurtenances within the City of Renton Is present rights -of -way as referenced in paragraph 1.01 above. CITY3.50/10/28/87 RE.= D F i 00 Chi SHSL ***13.00 II 1 SECTION .3. 3. D2 Defi ni ti on AND CONDITIONS APPLICABLE TO THE (a) Ri 8hc-of -Way. The term "right-of-way" shall be understood to.inciude any and every Renton City road, street, avenue, alley or other public place designated or sped, fi ed in this franchise in, upon, under, over, across and along which rights.are, or are intended to be vested in the Grantee, its successors and assigns, under and by virtue of this franchise. (b) Director. The term "director" shall be the City of Renton Di rector'Public Works. (c) Uxi Iit y. The term "utility" shall be understood to mean, as the context may require, either the `3 Grantee herein, or any other person, firm or corporation, either public or private, which may hold a franchise to maintain and operate similar facilities in, upon, under, over, across and along any of the public rights -of -way, or portions thereof, within the area specified. (d) Other Governing Body. The term "other governing body" shall be understood to meari such public _.p official or other public board or body as may have power and jurisdiction over the rights -of -way and be legally vested with jurisdiction" and auTboriLy to permit or regulate the installation, maintenance of lines and other facilities, in, upon, under, over, across and along the rights -of -way within the specified area, 3.'02 Acceptance by Grantee of Terms and Conditions. Grantee shall be deemed to have abandoned and--'YorTeitea 1 the rights, privileges and authority hereby granted, unless within thirty (30) days from the date hereof Grantee shall file with the Council its written acceptance of this franchise, subject to all of the terms, conditions, stipulations and other obligations herein contained and enclosed, and in case the Grantee shall fail to do so within the time aforesaid, this franchise shall he null and void and of no effect. 3.03 Exclusive Franchise Unconstitutional. This franchi se shall- not be deemed or hello be an exclusive franchise, and shall not in any manner prohibit the Council from granting other and further franchises of any kind or character that it may deers proper, in, upon, under, over, across and along any right-of-way within the area described herein, and this franchise shall in no way prohibit or prevent -2- C� M-4 U* CO the public from using any such rights -of -way or affect the jurisdiction of Renton over such rights -of -way or any part thereof, or its: power to make all necessary improvements, repairs or changes therein. 3.04 Jtur ,sdiction. This doeum;ent shall not be construed by G'ranxe'e,:'or any other pe'xson, persons or corporations, as a warrant of title or interest in City roads or rights -of -way but is intended to convey such rights -of -way and interests only as to those road's and rights -of -way in which the City has an actual interest. 3.0s R'egulation of Use and .,Control. The City granting this franchise does not waive any rights which it now has or may hereafter aequAre with respect to City roads, rights -of -way or other City property and this franchise shall not be construed to deprive the .City of a'n-y powers, rights or privileges which it now has or may hereafter acquire to regulate the use of and to control the City roads, rights -of -way and any other City property covered by this franchise. 3.06 Vacation. If at any time the City shall vacate any City road, rights -of -way or other City property which is subject to rights granted by this franchi se, the Ci ty shall not be liable for any damages or loss to the Grantee by reason of such vacation. 3.07 Res onsi bi li ty fOF-Damages. The Grantee agrees for itself, its successors and assigns, to indemnify and hold the City harmless, its appointed and elected officials and employees from and against all loss or expense, including attorney's fees and costs arising out of any negligent act, error or. omission by the District, .its agents or -employees related to this Franchise. 3.08 Requirement of Construction Permits. The said Grantee, its successors or assigns, shall have the right and authority to enter upon the City roads and rights -of -way described herein for the purpose of constructing, extending, repairing or replacing, servicing and/or operating and maintaining its lines and facilities and connecting the same with consumer service lines, upon the condition that prior to such work: within the City roads or rights -of -way, the Grantee shall first obtain thenecessary permits approved by the Director of Public Works. Applications for said permits shall first be presented to the Department of Public Works which may require copies of plans, blueprints, cross -sections or such further detail of the -3- work to be done as is, or may be required by ordinance in instances. Such work, whether done by the Grantee, its contractors of third parties connecting to the Grantee's or facilities, shall include necessary pavi rig, pax chi jig, grading an any other reasonable and necessary repair or restoration to the pre existing Ci'.ty roads, rights -of -way shall , be to the satisfaction of the di rector. other lines and All permits shall be applied for and given in the name of the Grantee who shall be held responsible for all work done thereunder, whether the work done thereunder is by the forces of the Grantee, its contractors or by third parties connecting to the lines or facilities of Grantee. Before any work is performed under the permit, the Grantee shall establish two or wore reference marks to all monuments and markers of every nature relating to subdivision, plats, right-of-way and all other surveys within the permitted area. The reference points shall be so located that they will not be disturbed during the Grantee's operation under the { permi t. The method of referencing these monuments or other points to be referenced shall be approved by the director before placement. The replacement of all such monuments or markers disturbed during construction shall be made as expeditiously as conditions permit and as directed by the director. The cost of monuments or other markers lost, destroyed or disturbed and the expense of replacement by approved monuments shall be borne by the Grantee. Grantor shall be named as an additional obligee on performance bonds required by the District for any work within the franchise area herein. 3.09 Providin "As -Built" Drawin s. The developer/ contractor shall maintain on the jo site project plans marked to indicate City -approved plan revisions made in the field and other details of construction.. The drawingsshall be made available upon completion of the project to the District for use and preparation of "as -built" records. The developer shall be responsible for the cost of any required "as -built" drawings. A copy of these "as -built" drawings shall be provided to the City. ^ 3.10 Restoration of Right -of -Way. -- f-Way. The Grantee shall be responsible for and leave all city roads and rights -of -way in good condition, after work on, under or adjacent to the City roads or rights -of -way as the same were before such work. In the event that the Grantee, its contractors or third parties connecting to Grantee's lines or facilities under work permit, -4- shall fail to restore the City roads or rights -of -way to the condition that pre-existed such work to the' satisfaction of the director, the City reserves the right to ma.k,e such repairs or restaration to such roads or rights -of -way, and upon presentation of an i term .zed bill for such repairs or Testorat.ion, including. the cost of. labor and e4u pmenu, the Grantee skull pay the said bill within thirty [3a) days. In the event that suit is brought upon . fai lure to pay the bill within thirty (30) days, and upon judgwent being entered in favor of the City, Grantee shall further pay all the actual costs, disbursements and attorney's fees incurred thereby. .3.11A Removal or Relocation of Facilities Installed b Grantee. Upon the relocation or change of grade by the public authorities of any right - of -way described herein, any lines or facilities, erected upon or within any portion of such right-of-way, shall, if necessary, be removed by the Grantee at its own expense so that it shall not interfere with the work of relocation or change of grade and shall be reset in accordance with the provisions above set forth so that the location and {� elevation of such line or facility shall conform to the new grade and location of the right-of-way. Grantee shall Q likewise, at its own expense, upon demand of the director, relocate any line or facility which shall interfere with a reasonably located driveway giving access to abutting property. The City shall in no event be held liable for any damages to said Grantee that may occur by reason of the City's improvements, repairs or maintenance or by the exercise of any rights are reserved in this section. 3.11B Com.2ering Service Areas. In the event -that the parties have existing sewer lines parallel to one another and subject to, Chapter 35.13A, et seq. and further subject to any assertion of jurisdiction by the Boundary Review Board and any subsequent decision of the Boundary Review Board, the parties agree that should the Water District need to replace a sewer line or perform such substantial repairs to the sewer line that the cost of repairs is equivalent to the value of the sewer line, then the City of Renton shall have the right to provide service to the customers in the City .limits in that service area. 3.11C Installation Codes. Grantee agrees that any new sewer line installation or replacement done pursuant to this agreement shall meet all requirements as set out in the current or subsequently adopted: -5- King County Water District No. 10`7 - Metro Service Agreement and Specifications; King County Water District No. 107 Design and Technical Specifications: Parts I I and 1I i , Technical Specifications - Sewer Ex_tensi on Part IV: Technical Specifications - Standard Sewer Details; Standard Specifications for Municipal Public Works Construction of the American Public Works Association; „Criteria for Sewage Works Design," State of Washington Department of Ecology - Revised Oct. � 1985; Washington Administrative Code Section 173-240, "Submission of Plans and Reports .for Construction of Wastewater Facilities" (DOE) ; All other applicable state and federal regulations and statutes regarding sewage works, design and hazardous waste disposal. 3.12 Rlastin;g Re uirements. The laying, construction, maintenance and operation of the Grantee's system of lines and facilities granted under this franchise shall not preclude the City, its accredited''agent,. or its contractors from blasting, grading or doing other necessary roadwork contiguous to the Grantee's lines and facilities, provided that the Grantee shall have seventy-two (72) hours noticeof said blasting or excavating in order that Grantee may protect its lines, facilities and property. 3.13 Assignment of Riehts to Third Party. The Grantee shall have the right to assign its €ranchise provided, however, no such assignment shall be of any force or effect unless written notice of such assignment shall be filed with the Clerk of the Council within Thirty (30) days thereafter, together with an acceptance by the assignee in writing of all the terms, covenants and conditions of this franchise and an agreement of such assignee -to perform and be bound by all the terms and conditions of this franchise. All the provisions, conditions, regulations and requirements herein contained shall be binding upon the successors and assigns of the Grantee, and all privileges, as -6- CD V- 0 well as all obligations and liabilities of the inure to its successors and assigns equally as specifically mentioned wherever the Grantee is Grantee, shall if they were mentioned. 3. 14 Expi rati on and. Ren:e.wal . All rights granted by this franchise to City roa s an, rights -of -way shall apply to all existing City road>s and tights -.of -way whether improved or unimproved, and shall further include City 'roads and rights -of -way acquired by the City after the date of execution of this document. If, upon expiration of this franchise, Grantee shall not have applied for renewal of same, the City shall have the right to remove such lines or facilities of the Grantee as are reasonably necessary for the safe condi ti on of the roads or rights -of -way or facilities of other franchise holders and such are reasonably necessary to remove for the construction, . renewing, altering or improving of such roads or rights -of -way, and such as are reasonably necessary to remove for the installation of lines and/or facilities of other franchise holders. Grantee shall be liable for the costs incurred in such removal including the cost of labor and equipment, provided that such removal is affected with two (2) years from the expiration date hereof. 3.15 Right to Amend. The City reserves for itself the right at any time upon ninety (90) days written notice to the Grantee, t•o so change, amend, modify or amplify any of the provisions or conditions herein enumerated to conform to any state statute or regulation relating to the public welfare, health, safety or right-of-way regulation'as may hereafter be enacted, adopted or promulgated and this franchise may be terminated at any time if the Grantee's lines and facilities are not operated or maintained in accordance with such statutes or regulations. 3.16 Environmental Compliance. Grantee gust conform to the Washington State Environmental Policy Act and any amendments thereto. 3.17 No Discrimination in Em la ent. In connection with the performance of any work y the District or its agents addressed herein, the District and its agents shall comply with all federal, state and local codes, statutes and ordinances prohibiting discrimination. 3.18 Penalty for Violation of Conditions. If the Grantee shall violate or fail to comply with any o the terms, conditions or responsibilities of this franchise through neglect or failure to heed- or comply with any notice given the -7- Grantee under the provisions of this franchise, the Council Macy revoke, amend, alter, change or. supplement this franchise provided, however, that the Council shall give thirty '(30) days written notice of its intention to do so, during Wbich period the Grantee shall have the opportunity t'a remedy the failure to comply. 3.19 Franchise Fee. The Grantee stall annually pay to the City a�franc ise fee of five cents ($.05) per lineal foot of transmission sewer lines owned by the Grantee, lying within City rights of way as described in paragraph 2.02 herein. City and Grantee agree that Grantee owns transmission and service lines and is responsible for maintenance thereof. 3.20 Severance. This agreement shall be`construed to give effect to such purposes and uses under this franchise which are consistent with economical and efficient service rendered in the public interest. If any provision of this franchise, or its application is determined to be invalid by court of law, then the remaining provisions of the franchise Q shall continue and be valid unless the dominant purpose of 4-! the franchise or the public interest herein is thwarted thereby. 3.21 Recording. This agreement shall be recorded with the King County Office of Records and Elections immediately upon its execution by the parties herein. SECTION 9: RESERVATION OF RIGHTS; RENTON UTILITY TAX 4.01 The City and the District acknowledge disagreement over the City's right to impose water utility taxes on the District's gross revenues derived from parties receiving service from the District located within Renton's corporate boundaries. The parties acknowledge the District's refusal to collect and transmit such utility tax to the City. Therefore, the City hereby expressly reserves all rights to make claim against the District for the payment of sash utility taxes. SECTION 5: RESERVATION OF RIGHTS; COMPREHENSIVE PLAN APPROVAL 5.01 The parties herein reserve all rights provided under applicable Washington law to approve, conditionally approve, or reject the general Comprehensive Plan as submitted by the other party. CITY OF RENTON ("Renton") KING COUNTY WATER DISTR T NO. 107 ("Di 4 ct") By By Its Mavor- �._. Its_�£-E �7—r - ATTEST: �- r.� 8 The undersigned hereby accepts all the rights and privileges of the above granted franchise subj`ec't to all the terms, conditions, stipulations and obligations contained herein. K ING COUNTY WATER PEIST;AICT NO 107 ( "Dist i. ") By its it p Dated this / _day of November. 1987. CITY3:51/10/30/87 Intentionally Left Blank Ul CAG-01--031 1. CITY OF RENTON & COAL CREEK UTILITY DISTRICT FOR THE ESTABLISHMENT OF SANITARY SEWER SERVICE BOUNDARIES THIS AGREEMENT is entered into this '' du day of 20 6 / , by and between COAL CREEK UTILITY DISTRICT, a Washington municipal corporation, hereinafter referred to as °CCUD", and the CITY OF RENTON, a Washington municipat corporation, hereinafter referred to as "RENTON". WITNESS€TH: WHEREAS, CCUD is qualified to provide sanitary sewer service within its prescribed area; and WHEREAS, RENTON is qualified to provide public services, including sanitary sewer service, within its prescribed areas; and WHEREAS, CCUD provides sanitary sewer service in an area adjacent to and within RENTON's corporate boundaries and it is in the public interest for the parties herein to enter into an agreement to provide for the efficient planning and development of new sanitary sewer services in areas which may be served by either, or both, of the parties herein; now, therefore, IT IS HEREBY AGREED by and between the parties hereto as follows: I. Sewer Service Area Boundary Between RENTON and CCUD. The attached legal description, Exhibit A, describes the line separating the RENTON sewer service area from CCUD sewer service area. The attached map, Exhibit B, depicts the line separating the RENTON sewer service area from CCUD sewer service area_ RENTON shall provide service for the area generally South and West of the line illustrated. CCUD shall provide service for the area generally North and East of the line illustrated. Any new construction, upgrading, or replacements within the RENTON City Limits by CCUD for sewer service shall be iri compliance with RENTON design and constructions standards then in effect, or CCUD design and construction standards, whichever are the higher design and construction standards including: materials and techniques. 2. DISTRICT Comprehensive Sewer Planning. CCUD will submit, to RENTON, all future Comprehensive Sewerage Plans and amendments thereto involving area and/or improvements within RENTON City Limits. Said submission of the CCUD Plan is to assure consistency with adopted city plans, policies, and land use controls, assist in the review of new development proposals and right-of-way construction permits, and to fulfill the responsibilities set forth in RCW 57 and King County Title 13. As new facilities are planned, constructed, maintained, and/or replaced within RENTON, they shall comply with RENTON design and construction standards then in effect, or GCUD design and construction standards, whichever are the higher design and construction standards. 3. Extension of Utilities Across Properties. RENTON and CCUD agree that they will r&quire property owners who must extend facilities to service their property in a comprehensive fashion up to and including extending said facilities to the far side of the property, when appropriate, to provide a connection point for the future (or existing) facilities of the next property. 4. J,olnt Use Facilities. The existing 8-inch facility as shown on Exhibit " C" shall ,he a joint use facility. CCUD shall own and operate the facility. RENTON shall be able to make connection to and utilize this sewer tine to provide service to the properties west of the facility .that are in RENTON's service area_ RENTON will acquire permits for connection to said sewer. The acquisition of the permit will include collection and payment to CCUD of the latecomers charge, as legally adopted, for the reimbursement of a pro rata portion of the original costs of th..e facility_ 5. Maintenance of Existing Facilities.- CCUD and RENTON will each maintain their own facilities, according to industry standards. If there are serious problems due to a discharge which can be identified, and for which the source can be identified, the individual or company responsible will be held liable for damage. If a lack of maintenance, or if the type of maintenance by either RENTON or CGUD is identified as the source for said problem, then the party creating, or allowing, the situation shall be responsible for the costs of repair and/or damages. 6. Governmental Approvals. The parties will give notice of the adoption of this Agreement to Metropolitan King County, to the Department of Ecology, and to any other agency with jurisdiction, and shall cooperate and assist in any reasonable manner in procuring any necessary approvals hereof by those agencies_ 7. Sanctity of Agreement. This Agreement constitutes the entire agreement of the parties, concerning the subject matter herein, and there are no representations or oral agreements other than those listed herein, which vary the terms of this Agreement. This agreement shall not alter the rights of Renton of assumption of Water and Sewer Districts as is provided under RCW 35. 1 3A. Future agreements may occur between the parties to identify, agree upon, or transfer service areas and/or facilities. This Agreement shall have a term of 25 (twenty- five) years. 8. Obligations Intact. Nothing herein shall be construed to alter the rights, responsibilities, liabilities, or obligations of either CCUD or RENTON regarding provisions of sanitary sewer services to the properties described herein, or other properties, except as specifically set forth herein. DATED this 7 rh day of March ,200 1 . EXHIBIT "A" NEW SEWER. SERVICE BOUNDARY LM' LEGrSL .DESCRIPTIC ON A sanitary sewer service area boundary line between the Coal Creek Utility District and the City of Renton through the Southeast quarter of Section 29,'the East half (1/2) of Sectioh 32, the South half (1/2) of Section 33, all in Township 24 North, Range 5 East, W.M., Ding County, Washington, and the North half (1/2) of Section 4 in Township 23 North; Range 5 East, W.M., King County, Washington, and the common boundary line between Section 34 in said Township 24 and Section 3 in said Township 23, described as follows: Beginning at the intersection of the southerly right of way line of NE 48th St_ with the existing northernmost northwest corner of Tract 185 of C.D. Hillman's Lake Washington, Garden of Eden No. 3, according to the Plat thereof, recorded in Volume 11, Page 81,. Records of King County, Washington, in the Southeast quarter of said Section 29; Thence easterly along said southerly right of way line and north line of said Tract 185, to the northeast corner of said Tract 185, said northeast corner also being the northwest corner of Lot 2 of King County Short Plat No. 485069, as recorded under King County Recording No. 8612231555, Records of King County, Washington; Thence southerly along the east line of said Tract 185 and the west line of said short plat, to the southwest corner of Lot 1 of said short plat; Tl._L�nce easterly along the south line of said short plat, to the southeast corner thereof, said southeast corner also being the northeast corner of Tract 183 of said plat; Thence southerly along the common boundary line of said Tract 183 and Tract 166 of said plat, said common boundary line also being the existing limits of City of Renton as annexed under Ordinance No. 1823, to an intersection with the northeasterly right of way line of NE 44th St.; Thence continuing southerly along said common boundary line, crossing NE 44th St., to the southwest corner of said Tract 166; Thence easterly along the south line of said Tract 166, to an intersection with the northerly extension of the westerly right of way line of Monterey l'1. NE; Thence southerly along said northerly extension and the westerly right of way line of Monterey pl_ NE, to an intersection with the north line of Lot 8, Block 4 of said plat; Thence westerly along said north line, to the northwest corder of said Lot 8; Thence southerly along the west line of said Lot 8, to the southwest corner thereof, said southwest corner also being the northeast corder of Lot 10, Block 4 of said plat; Thence westerly along the north line of said Lot 10, to the northwest corner thereof, said northwest corner also being a point on the easterly right of way line of Lincoln Ave. NE; 11C ENT RA E_1S Y.S2113CPTS%PH P W\ rl 1_ F. SYS11-Np\01 \0005. DOC Page l of 3 Authorized by Resolution Na. 3489 of the City Council of the City of Renton, Washington, at its regular meeting held on 26th -_ day of Fe-hrimry , 200 1. OVER AS TO LEGAL FORM: 1,4 -r.— Lawrence J_ Wa n, City Attorney Approved by Resolution No.1S I — of the Board of Commissioners of COAL CREEK UTILITY DISTRICT of King County, Washington, adopted at its regular meeting held on /0 day of 200 1 . COAL CREEK LITILR DISTRICT By. J Title: �� �- EXHIBIT "A", Continued Thence southerly along the west line of said Lot 10 and said easterly right of way line, to the southwest corner of said Lot 10; Thence southerly along the southerly extension of said west line of Lot 10 and said easterly right of way line, crossing NE 36th St., to an intersection with the southerly right of way line of said NE 36th St. in the Southeast quarter of said Section 32; Thence westerly along said southerly right of way line, to an intersection with the west line of the east 350 feet of Tract 70 of C.D. Hillman's Lake Washington Garden of Eden No. 1, according to the Plat thereof, recorded in Volume 11, Page 63, Records of King County, Washington; Thence southerly along said west line, to an intersection with the south line of said Tract 70; Thenee easterly along the south line of said Tract 70, said south line also being the north line of Tract 73 of said plat, to an intersection with the west line of the east 200 feet of said Tract 73; Thence southerly along said west line, to an intersection with the south line of said Tract 73, said south line also being the north line of Tract 74 of said plat; Thence southerly along the west line of the east 200 feet of said Tract 74, to an intersection with the south line of said Tract 74, said south line also being the north line of Tract 77 of said plat; Thence southerly along the southerly extension of the west 1 ine of the east 200 feet of said Tract 74, to an intersection with the westerly extension of the south line of the north 300 feet of Tract 364 of C. D. Hillman's Lake Washington Garden of Eden No. 6, according to the Plat thereof, recorded in Volume 11, Page 84, Records of King County, Washington.; Thence easterly along said westerly extension, exiting said Tract 77 and crossing Tract 76 of said C.D_ Hillman's Lake Washington Garden of Eden No. 1, to an intersection with the west line of said Tract 364 of C.D_ Hillman's Lake Washington Garden of Eden No_ 6; Thence continuing easterly along the south line of the north 300 feet of said Tract 364, to an intersection with the east line of said Tract 364; Thence northerly along said east line, to the northeast corner thereof, said northeast corner also being a point on the southerly right of way line of NE 33rd St.; Thence easterly along the north line of Tracts 367 and 371 of said plat and said southerly right of way litre, to the northeast corner of said Tract 371 and said plat, in the Southwest quarter of said Section 33; Thence southerly and westerly along the east lime of said plat, to an intersection with the west line of said Southwest quarter, said intersection being a point on the existing limits of the City of Renton, as annexed under Ordinance No. 1 835; Thence southerly along said west line and said existing City limits, to an intersection with the south line of the abandoned Pacific Coast Railroad right of way, said right of way being 200 feet in width, said south line also being the north line of Tract 369 of said plat; Thence easterly along said north line and along the existing limits of the City of Fenton, as arinexed under Ordinance No. 1828, to the easternmost northeast corner of said Tract 369; ��c�Nr t �sys?��E-rr.5srr�rtiv�r��_r_.sys�irva�oitana� DOC Page 2 of 3 EXHIBIT,' "A", Continued Thence southeasterly along the east line of said Tract 369 and said existing City limits, to an intersection with the north line of the Northwest quarter of said Section 4; Thence easterly along said north line and the existing limits of the City of Menton, as annexed under Ordinance No. 1796 and Ordinance No-.4095, to an intersection with the westerly right of way line of 120th Pl. SE (County designation); Thence southerly along said westerly right of way line and said existing City limits, to an intersection with the south line of the north 3'0 feet of said Northwest quarter; Thence easterly along said south line and said existing City limits, to an intersection with the northerly extension of the west line of Paradise Estates, according to the Plat thereof, recorded in Volume 95, Page 93, Records of King County, Washington; Thence southerly along said northerly extension and west line of said plat and said existing City limits, to the southwest corner of said plat, Thence easterly along the south line of said plat and, in part, said existing City limits, to the southeast corner thereof, said southeast corner also being the southwest corner of Paradise Estates N0.2, according to the Plat thereof, recorded in. Volume 102, Page 31, Records of King County, Washington; Thence easterly along the south line of said plat to an intersection with the east line of said Northwest quarter; Thence northerly along said east line of said Northwest quarter, to the quarter corner common to said Section 4 and said Section 33; Thence easterly along the common boundary line between said Section 4 and Section 33, to the northwest corner of said Section. 3 and the southwest corner of said Section 34; Thence easterly along said common boundary line between said Section 3 and Section 34, to the northeast corner of said Section 3 and southeast corner of said Section 34 and the terminus of this boundary line. 11C'FN7'RA! 1SYS2\f)F[''rS1P[3YW\Ftl-F SYS11_NIMIp 0005.D7 Pacer I of I U CITY OF RENTON, WASHINGTON RESOLUTION EO. 2413 WHEREAS the City of Kent has within its municipal boundaries a portion of land bordering S. 180th, also known as S.W. 43rd, which area is not presently served by sewers, and WHEREAS the City of Kent does not have at present the ability to provide sewer service to that portion of land, and :'HEREAS as part of the widening project on S. 180th Street (S.W. 43rd), the City of Renton plans to install sanitary sewers, and WHEREAS the City of Kent has previously reauested the Citv of Renton to serve previously described land with the Citv of Renton's sanitary sewer, and WHEREAS it is agreed between the City of Renton and the City of Kent that the Citv of Renton shall have the rig.it to provide sanitary sewer service to the Citv of Kent parcel along S. 180th (S.W. 43rd) described as Parcels 36 through 40 on the Exhibit attached hereto and it is .further agreed that the City of Renton shall have the right to charge one and one-half times the normal sewer service rate plus its normal connection charges, System Development Charges, tap -in charges, and Community Facility Charges as are applicable, now therefore THE CITY COUNCIL OF THE CITY OF RENTON, WASHINGTON, DO RESCI,VE AS FOLLOWS: SECTION I: The above recitals are found to he true and correct in all respects. SECTION II: The Mayor and City Clerk are hereby authorize, to enter into an Interlocal Agreement with the City of Kent to provide sewer service to those parcels along S_ 180th Street as per Exhibit "A" attached. PASSED 6Y THE CITY COUNCIL this 3rd clay of August, 1961. e ores A. Me , C tyC er, APPROVED BY THE MAYOR this 3rd day of August, 1981. ar ara 4�o-c Mayor Approved as to form; Lawrence J. Warren, City ttarney Resolution No. 2413 r c E x h i b i t 72 m AVENUE 3 OUTH +zn.36 u �• l `T fi�• f r N h ^ f F �i�. ��`f h AI iC N'• E n 1r- hi N T 7a LU E ' Os � a► � 14056 FRANCHISE NO. 4 05 6. (i In the matter of the application for a franchise to operate, maintain, repair, and construct sewer mains and service lines, and appurtenances in, over, along, and under County roads and rights -of -way in King County, Washington. The application of the City of Renton for a franchise to operate, maintain, repair -and construct sewer mains and service lines, and appurtenances in, over, along, and under County roads and ighIoyf way located within the area described in attached Exhibit "A" has been heard on this day off ^I All of the property described in Exhibit "A" Ties outside the limits of any incorporated Town or City. Legal notice of the franchise application and of the hearing has been given as is required by law. The King County Council, having considered the interests proposed and. advanced, and fording that the granting of this franchise is in the public interest, ORDERS that a fi-anchise be granted to the City of Renton, the Grantee, subject to the conditions set forth in Exhibit "B" attached hereto, this franchise and Ordinance No. 1 5. This franchise grants the right, privilege, authority and franchise to operate, maintain, repair and construct mains and service lines and - appurtenances as a part of its distribution system in, over, along, and under County roads and rights - of -way located within the area described in Exhibit "A". 1 03/12/01 14o5s This franchise_ ig granted subject to all of the terms and conditions contained herein, within Ordinance No. i t! kand .Exhibit "B", and shall expire in. twenty-five years onnrdl )2.,, 20�.fa pp �� Dated this .23 �` day of _ _` KING COUNTY, WASH NGTON dam_ -sue TITLE 1 i1 n t The undersigned accepts all the rights, privileges, and duties of this franchise subject to all terms, conditions, stipulations, and obligations contained herein, within Ordinance t lid 56 and Exhibit 11811 CITY OF REN`I'ON GRANTEE Jesse Tanner TITLE Mayor ATTEST: —�X, Marilyn :;. Lersen, Ci4 Clerk Dated this 13z4, day of N 03/12/01 UL CAG-99--014 i; CITY OF RENTON & CEDAR RIVER WATER AND SEWER DISTRICT FOR THE ESTABLISHMENT OF SERVICE BOUNDARIES THIS AGREEMENT is entered into this s.th day of February , 19 99, by and between CEDAR RIVER WATER AND SEWER DISTRICT, a Washington municipal corporation, hereinafter referred to as "C.RWSD", and the CITY OF RENTON, a Washington municipal corporation, hereinafter referred to as "RENTON". WITNESSETH: WHEREAS, CRWSD is qualified to provide water and sewer service within its prescribed area, and WHEREAS, RENTON is qualified to provide public services, including water and sewer service, within its prescribed areas; and WHERE, it is in the public interest for the parties herein to enter into an agreement to provide for the efficient planning and development of new water and sewer services in areas which may be served by either, or both, of the parties herein; now, therefore, IT IS HEREBY AGREED by and between the parties hereto as follows: I. Water Service Area Boundary Between RENTON and CRWSD. The attached Figure "A" illustrates the line separating the RENTON water service area from CRWSD water service area. RENTON shall provide service for the area generally North and West of the line illustrated. CRWSD shall provide service for the area generally South and East of the line illustrated. Any new construction, upgrading, or replacements within the RENTON City Limits by CRWSD for water service shall be in compliance with RENTON design and construction standards then in effect or CRWSD design and construction standards, whichever are the higher design and construction standards including: materials, techniques, and fire flow. 2. Sewer Service Area Boundwy Between RENTON and CRWSD. The attached Figure "B" illustrates the line separating the RENTON sewer service area from CRWSD sewer service area. RENTON shall provide service for the area generally North and West of the line illustrated. CRWSD shall provide service for the area generally South and East of the line illustrated. Any new construction, upgrading, or replacements within the RENTON City Limits by CRWSD for sewer service shall be in compliance with RENTON design and constructions standards then in effect, or CRWSD design and construction standards, whichever are the higher design and construction standards including: materials and techniques_ A. 3. Maintenance of Existing Facilities: CRWSD and RENTON will each maintain their ownfacilities, according to industry standards. 4. DISTRICT Comprehensive Water and Sewer Planning. CRWSD will submit, to RENTON, all future . Comprehensive Water and Sewerage Plans and amendments thereto, involving area and/or improvements within RENTON City Limits. Said submission of the CRWSD Plans) is to assure consistency with idopfed city. plans, policies, and land use controls, assist in. the review of new development proposals and right=af way construction permits, and to fulfill .the responsibilities set forth in RC1/V 57 and King Count i Title 13. As new facilities are plaoned, constructed, maintained, and/or replaced within RENTON, they shall comply with RENTON design and construction standards then in effect, or CRWSD design and construction standards, whichever are the higher design and construction standards. 5. Extension of Utilities Across Properties. RENTON and CRWSD agree that they will require property owners who must extend facilities to service their property in a comprehensive fashion up to and including extending said facilities to the far side of the property, when appropriate, to provide a connection point for the. future (or existing) facilities of the next property. 6. Franchise A reement. Upon RENTON annexing property within the CRWSD service area, RENTON shall grant CRWSD, for the purposes of continuing use of rights -of -way, a temporary franchise for utility ;facilities within the annexed territory. This franchise shall have the same provisior s as stated in the franchise between King County and CRWSD and have a term not to exceed 3 (three) years. RENTON and CRWSD will immediately begin negotiations for a new franchise, for the purposes of rights -of -way use for CRWSD service area within RENTON. The new franchise shall be negotiated within three years. Upon any subsequent annexations by RENTON within the CR-WSD service area, RENTON shalt amend the franchise to include the annexed area, in order to maintain one franchise agreement. The franchise shall maintain the remaining balance of the term of the franchise_ The franchise should include any updated provisions as approved by RENTON and agreed to by CRWSD. Any franchise agreement issued hereunder shall be consistent with the respective comprehensive plans of the parties and State law. 7. Governmental Approvals. The parties will give notice of the adoption of this Agreement to Metropolitan King County, to the Department of Ecology, to the Department of Health, and to any other agency with jurisdiction, and shall cooperate and assist in any reasonable manner in procuring any necessary approvals hereof by those agencies_ GRAPHIC SCALE 2000 0 2000 4000 ( IN FEET i LEGEND SEWER SERIACE AREA BOUNDARY REN'0N CURRENT CITY LIMITS (IN PART) .. "+ KINC COUNTY URBAN GRO4YM BOUNDARY CRWSD SEWER SERME AREA (IN PART) cAc-o6-17o (0 CITY OF RENTON. AND SKYWAY WATER AND SEWER DISTRICT FOR THE ESTABLISHMENT OF AGREEMENT FOR CONVEYANCE OF WASTEWATER THIS AGREEMENT is entered into this 0 day of 200 , by arid, between SKYWAY WATER AND SEWER DISTRi a Washington municipal corporation, hereinafter referred to as "SWSD", and the CITY OF RENTON, a Washington munkipal corporation, hereinafter referred to as "RENTON". WITNESSETH: WHEREAS, SWSD is qualified to provide sanitary sewer service within its prescribed area; and WHEREAS, RENTON is qualified to provide public services, including sanitary sewer service, within its prescribed areas; and WHEREAS, SWSD provides sanitary sewer service in an area adjacent to and within a portion of RENTON's corporate boundaries; and WHEREAS, the SWSD and RENTON have an existing sewer boundary agreement dated December 31, 2003; and WHEREAS, it is in the public interest for the parties herein to enter into an agreement to provide for the efficient planning and development of new sanitary sewer services in areas which may be served by either, or both, of the parties; now, therefore, IT IS HEREBY AGREED by and between the parties hereto as follows: SWSD.. Sewer Service Transferrina Wastewater Into RENTON Sewer S sy tern; The parties agree that, as an alternative to SWSD providing sanitary sewer service to their customers by constructing stand-alone gravity and / or pumping facilities, SWSD may connect a portion of their service area, known as the AGREEMENT SERVICE AREA and shown in exhibit "A", which by reference is incorporated herein, to RENTON's sanitary sewer facilities. 2. Conditions of SWSD Utilizing Said Alternative For Sanita Sewer Service: In the event of such alternate connection, and in consideration thereof, SWSD shall meet the following requirements: A. SWSD shall collect and pass on RENTON's system development charge for properties connecting to a wastewater facility that flows into RENTON's sanitary sewer system. 06/06/2006 Page I B_ SWSD shall include RENTON review, for land use compliance to Renton Municipal Code 4-6-040C, of all development within the AGREEMENT SERVICE AREA, other than one single-family home on an existing lot, as part of its sewer availability process- 3- Transfer of Service Area Upon Annexation: SWSD agrees that RENTON may choose., following the completion of annexation of all or part of the AGREEMENT SERVICE AREA to have a portion of the AGREEMENT SERVICE AREA turned over to RENTON as its sewer service area. At such time that RENTON notifies SWSD, in writing, that it intends to assume all or part of the AGREEMENT SERVICE AREA that has been annexed to RENTON, said written notice, including legal description and/or exhibit map describing the revised sanitary sewer service boundary within the AGREEMENT SERVICE AREA, shall be incorporated into this agreement as an addendum and officially revise the service boundary between RENTON and SWSD. 4. Timeline for Transfer: Upon written notification of assumption, SWSD shall, within sixty (60) calendar days, coordinate with RENTON, prepare and mail notification to the property owners, and transfer the account information and the sewer main facilities to RENTON. 5. Sewa e Flows and Down Stream _Capacity: The sewage flows from the AGREEMENT SERVICE AREA, at build out, is calculated to be 312,742 gallons per day (GPD) with a peak flow of 1.45 cubic feet per second (cfs). If the flows from the AGREEMENT SERVICE AREA exceed these estimates, RENTON has the ability to re-evaluate this agreement and may require additional conditions. 6. Construction and Maintenance of Sanitay Sewer Facilities: SWSD and RENTON will each construct and maintain their own facilities, according to industry standards. 7. Remaining Obligations Intact: Nothing herein shall be construed to alter the igf ts, -resPonsibiHffe%-fiabifities-or ob igat of -either R-E+ITON- o -S-WS-D pursuant to the 2003 Agreement, previously executed by the parties, except as specifically set forth herein. 8. Miscellaneous: This Agreement constitutes the entire agreement of the parties, concerning the subject matter herein, and there are no representations or oral agreements other than those listed herein, which vary the terms of this Agreement_ Future agreements may occur between the parties to identify, agree upon, or transfer service areas and/or facilities. 9 Term of Agreement: This Agreement shall have a term of 50 (Fifty) years. 10. Obligations Intact: Nothing herein shall be construed to alter the rights, responsibilities, liabilities, or obligations of either SWSD or RENTON regarding Provisions of sewer service to the properties described herein, or other Properties, except as specifically set forth herein. 06/06/2006 Page 2 DATED this % day of , 200 . Authoozed by Resolution Na 3m of the City Council of the City of Renton, Washington, at its regular meeting Held on 10t h day of July 2005 CITY OF R/ENTON 1: _ f z.�aO Itatfiy olker, Mayor Date ATTEST: AfX-4U4"j1- 4 1G Bonnie 1. Walton, City Clerk Date APP ED A AL F RM- Lawrence 1 Warren, City Attamey Approved by Resolution No. 30 f the Board of Commissioners of SKYWAY WATER AND SEWER DIST.kIC of ling County, Washington, adopted at its regular rneeting held on ay of , 2006. SKYWAY WATER AND SEWER DISTRICT 061OW006 Page 3 A �° CAG--91-083 Addendm 1-04 F1DST APDENDUN TO CITY OF RENTON & SODS CREEK WATER AND SEWER DISTRICT AGREEMENT FOR TIC ii4I SEER OF FACILITIES AND Volt THE ESTABLISHMENT OF SERVICE BOUNDARIES THIS ADDENDUM, made and entered into this 0�& day of 2004, by and between the CITY OF RENTON, a Washington Muni paI corporation; hereinafter referred to as "the City", and SOOS CREEK WATER AND SEWER DISTRICT, a Washington municipal corporation, hereinafter referred to as "the District", both being duly organized and existing under and by virtue of the laws of the State of Washington, WITNESSETH: WHEREAS, with effective date ofthe f th clay of August, 1991, the City and the District entered into the following agreement: CITY OF RENTON & SOOS CREEK WATER AND SEWER DISTRICT AGREEMENT FOR THE TRANSFER OF FACILITIES AND FOR THE ESTABLISHMENT OF SERVICE BOUNDARIES (1991 AGREEMENT); and WHEREAS, by mutual agreement, in 1997 the City and the District amended the boundaries as contained in the Agreement by the execution of the following agreement CITY OF RENTON and SOOS CREEK WATER AND SEWER DISTRICT INTERLOCAL AGREEMENT FOR THE ESTABLISHMENT OF SERVICE BOUNDARIES (1997 AGREEMENT); and WHEREAS, the 1997 AGREEMENT left all obligations of the 1991 AGREEMENT intact, changing only the service area descriptions of the 1991 AGREEMENT; and First Addendum to Renton/Soos Creek Agreement for the Transfer of Facilities and Establishment of Service Area Boundaries - 1 WHEREAS, the parties now desire to modify the 1991 AGREEMENT as to both terms and service area; and WHEREAS, the 1991 AGREEMENT as modified by the 1997 AGREEMENT, and by this Addendum, will continue to provide for maximum efficient use of existing and future facilities, and orderly and efficient water and sanitary sewer system planning. NOW, THEREFORE: IT IS HEREBY AGREED by and between the parties hereto as follows: 1. Sale of Springbrovk Area Sewer System to Renton. The parties have agreed that in. consideration of the mutual agreements contained herein, that all payment obligations contained in Section 6. and Section 7. of the 1991 AGREEMENT regarding the sale of the Springbrook Sewer System to Renton shall be deemed to have been satisfied in full, and Renton shall have no further payment or accounting obligation there for_ 2. Amended Terns for Service and Payment by District for Stonehaven Area. The Parties agree that as an aiterrnative the District may connect the Stonehaven and adjacent area, as shown on Exhibit "A" which is by reference incorporated herein, to the South 47'h Street sewer he of Renton, generally in the mariner shown on said Exhibit. In the event of such alternate connection; and in consideration thereof, the District shall pay one half of the General Facilities Charges it collects from such area to Renton, after the property owner has made such payment to the District. Total payment will be dependent upon the number of units utilizing such alternate connection, when the charge is paid, the rate at the time of connection, and the number of units developed. 3. Termination on Build -out. The terms hereof with regard to the Stonehaven and adjacent area shall terminate and be ofno further force or effect upon completion of build -out within that area. 4. Remaining Obligations Intact. Nothing herein shall be construed to alter the rights, responsibilities, liabilities, or o bligations ofeither the City or the District pursuant to either the 1991 AGREEMENT or the 1997 AGREEMENT, previously executed by the parties, except as specifically set forth herein. Approved by Resolution No. 3681 of the City Council of the CITY OF RENTON, Washington, at its regular meeting held on the 22nd day of December gkgig 2003 First Addendum. to Renton/Soos Creek Agreement for the Transfer of Facilities and Establishment of Service Area Boundaries - 2 CITY OF RENTON By-- -�< �� Title: Kathy Keolker-Aie-eler, Mayor Attest: - &)ed City CIerk - Bonnie I. Walton Approved by Resolution No_ 25 45 - S of the Board of Commissioners of SOUS CREEK WATER AND SEWER DISTRICT of King County, Washington, at its regular meeting held on the .nth day of January .2W3. 2004 SOOS CREE ER AN SE DISTRICT G� By: Philip Sulk an, President of Board By: _ Clement-@tzM racF, Secretary of Board Randy Reece Acting First Addendum to Rentoa/Soos Creek Agreement for the Transfer of Facilities and Establishment of Service Area Boundaries - 3 Haaer cum j -uq .' S. 47TH ST Al low • .00" -- ---- - '� SE 136TH + ` r , �.' 187TH L 4 --r_.�-._---- y� SE 1 S8TH ST, _ ! _ o - .. NOTE. o THESE LOTS F� -_-. �PdRARILY ;SEPoVEa BY - -- - - - ---- �GRfbDER PUMPS SE lboTH 1 ST a. SE • ' irr"y= 1 r e ST pq --------------- CITY OFRENTON/SCWSP - ~LF- o , E BOUNDARIM _ FYAMCT A LEGEND r r— aw�orwe�t Isl;� I►III 1:4:1 January2009 11113/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Airport LOCATION 454 West Perimeter Road/Airport CONSTRUCTED 1986 STATUS Active REHABILITATED PROJECT WWP-27-1688 PUMP AND MOTOR DATA PUMP NUMBER 1 2 MANUFACTURER S & L S & L MODEL NUMBER 413213 4132B FLOW RATE (GPM) 100 100 T.D.H (FEET) 54 54 MOTOR NUMBER 1 2 MANUFACTURER GE GE MODEL NUMBER 5K213DP6752A-TA 5K213DP6752A-TA HORSE POWER 7.5 7.5 VOLTAGE 230/460 230/460 R.P.M/PHASE 1750/3 1750/3 FORCE MAIN DATA LENGTH I95 LF SIZE 4" DI LIFT STATION CONSTRUCTION DESCRIPTION Wet well mounted lift station (Smith & Loveless Design) with fiberglass enclosure SN 15-2445 EMERGENCY POWER CONNECTION HEATING Yes VENTILATION Yes POTABLE WATER No* *Provisions provided .for potable water Yes CONTROL Transducer / Floats TELEMETRY Rugid 6 FLOWMETER No :ODMAIP W ise1G 16cde55a-789f-4269-a076-e72937e7a08c! Coco-pw-app:Caro11MMAB 1 1 1113/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Baxter LOCATION 4505 Lake Washinglon Blvd. North CONSTRUCTED 1974 STATUS Active REHABILITATED PROJECT WWP-27-0163 PUMP AND MOTOR DATA PUMP NUMBER 1 2 MANUFACTURER A & C A & C MODEL NUMBER NSWV NSWV FLOW RATE (GPM) 400 400 T.D.H (FEET) 23 23 MOTOR NUMBER 1 2 MANUFACTURER A & C A & C MODEL NUMBER 400 400 HORSE POWER 3 3 VOLTAGE 230/460 230/460 R.P.M/PHASE 865/3 865/3 FORCE MAIN DATA LENGTH 168 LF SIZE 8" C1 LIFT STATION CONSTRUCTION DESCRIPTION Recessed wet well mounted lift station Stacked wells EMERGENCY POWER CONNECTION Yes HEATING No CONTROL Transducer / Floats VENTILATION Yes TELEMETRY RMid 9 POTABLE WATER No FLOWMETER No : QDMAIP Wise1G16cde55a-789fA269-a076-e7293 WaNd Cocapw-app:CarotlolMAB 2 11/13/2008 EWAGE LIFT STATION DATA SHEET LIFT STATION NAME Cottonwood LOCATION 2101 Maple Valley Highway CONSTRUCTED 1994 STATUS Active REHABILITATED PROJECT WWP-27-0510 PUMP AND MOTOR DATA PUMP NUMBER 1 2 MANUFACTURER _ Hydromatic Hydromatic MODEL NUMBER S-13838 S-13838 FLOW RATE (GPM) 230 230 T.D.H (FEET) 32.5 32.5 MOTOR NUMBER 1 2 MANUFACTURER _ Hydromatic _ Hydromatic MODEL NUMBER S 4 NX 500 JC S 4 NX 500 JC HORSE POWER 5 5 VOLTAGE 230/460 230/460 R.P_MIPHASI 1750/3 1750/3 FORCE MAIN DATA LENGTH 100 SIZE 6" LIFT STATION CONSTRUCTION DESCRIPTION Submersible Fiberglass wet well / Concrete secondary containment structurc EMERGENCY POWER CONNECTION Yes HEATING No CONTROL VENTILATION Yes TELEMETRY POTABLE WATER No FLOWMETER Transducer / Floats Ru id 6 No ::DDMAIPWise1G16cde55a-789f-4269-ao76-e72937e7aO8cjGo o-pw-app:CarolloNAB 3 11 /13/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Denny's LOCATION 4748 Lake Washington Blvd. CONSTRUCTED 1983 STATUS Active REHABILITATED PROJECT WWP-27-0339 PUMP AND MOTOR DATA PUMP NUMBER 1 2 MANUFACTURER Paco Paco MODEL NUMBER 470 470 FLOW RATE (GPM) 100 100 T.D.H (FEET) 35 35 MOTOR NUMBER 1 2 MANUFACTURER Cascade Cascade MODEL NUMBER 5K184DL20239A 5K184DL20239A HORSE POWER 5 5 VOLTAGE 230/460 230/460 R.P.M/PHASE 1735/3 1735/3 FORCE MAIN DATA LENGTH 485 LF SIZE 4" PVC LIFT STATION CONSTRUCTION DESCRIPTION Wet well mounted lift station (Smith and Loveless Design) with fiberglass enclosure EMERGENCY POWER CONNECTION Yes HEATING Yes CONTROL Transucer / Floats VENTILATION Yes TELEMETRY Rugid 6 POTABLE WATER No FLOWMETER No ::ODMAIP W1se1G 16cde55a-789f-4269-a076-e72937e7a08c!Coco-pw-app.CarotlolMAS 4 11113/2o©s SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Devil's Elbow LOCATION 3001 NE 27th Street CONSTRUCTED 2000 STATUS Active REHABILITATED PROJECT WWP-27-2263 PUMP AND MOTOR DATA PUMP NUMBER 1 2 MANUFACTURER PACO PACO MODEL NUMBER 11341552-10100- 113-41552-10100- 816320 816320 FLOW RATE (GPM) 450 450 T.D.H (FEET) 155 155 MOTOR NUMBER 1 2 MANUFACTURER MODEL NUMBER 0990308 0990308 HORSE POWER 50 50 VOLTAGE 460 460 R.P.M/PHASE I750/3 1750/3 FORCE MAIN DATA LENGTH 506 LF SIZE 6" HDPE LIFT STATION CONSTRUCTION DESCRIPTION Submersible EMERGENCY POWER CONNECTION HEATING Yes VENTILATION Yes POTABLE WATER Yes Yes, partible CAT generator parked in building CONTROL Transducer / Floats TELEMETRY Rugid 6 FLOWMETER Yes ::ODMAIPWise1G 16cde55a-789fA269-a076-e72937e7aO8c!Coca-pw-app:CarollokMAB 5 ifilf[iiY��I�I:f SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Earlington LOCATION 8055 South Langston CONSTRUCTED 1969 STATUS Active RE14ABILITATED PROJECT WWP-27-0137 PUMP AND MOTOR DATA PUMP NUMBER 1 2 MANUFACTURER S & L S & L MODEL NUMBER 4B3 4133 FLOW RATE (GPM) 150 150 T.D.H (FEET) 30 30 MOTOR NUMBER 1 2 MANUFACTURER S & L S & L MODEL NUMBER 3Y226041A1 CU 3Y226041A2 CU HORSE POWER 5 5 VOLTAGE 240/120 240/120 R.P.M/PHASE 860/3 860/3 FORCE MAIN DATA LENGTH 637 LF SIZE 6" CI LIFT STATION CONSTRUCTION DESCRIPTION Wet well/dry well lift station (Smith & Loveless Design) with overflow bypass EMERGENCY POWER CONNECTION No HEATING No CONTROL Transducer/Floats VENTILATION Yes TELEMETRY Rugid 6 POTABLE WATER No FLOWMETER No ::ODMA\PWiselGl6ode55a-789(-4289-aO76-e72937e7a48c!Coco-pw-app,CarolloWAB 6 ! Zn 312aa8 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Fast Renton LOCATION 5835 SE 2"d Court CONSTRUCTED 2002 STATUS Active REHABILITATED PROJECT WWP-27-2867 PUMP AND MOTOR DATA PUMP NUMBER 1 2 MANUFACTURER Flygt Flygt MODEL NUMBER CP3152X452 CP3152X452 FLOW RATE (GPM) 587 587 T_D.H (FEET) 75 75 MOTOR NUMBER 1 2 MANUFACTURER Flygt Flygt MODEL NUMBER CP3152X452 CP3152X-452 HORSE POWER 23 23 VOLTAGE 230/460 230/460 R.P.M/PHASE 1750/3 1750/3 FORCE MAIN DATA LENGTH 2300 LF SIZE 8" DI LIFT STATION CONSTRUCTION DESCRIPTION Submersible Concrete Wet Well EMERGENCY POWER CONNECTION HEATING No VENTILATION Yes POTABLE WATER Yes Yes CONTROL TELEMETRY FLOWMETER Transducer / Floats Rugid 6 No :o DMA\PWise1G 16cde55a-789f-4269-aQ76-e72937e7aO8c! C000-pw-app: CarolloWAS 7 11/13/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME East Valle LOCATION 3371 East Valley Road CONSTRUCTED STATUS Active RECONSTRUCTED 2003 PROJECT WWP-27-2906 PUMP AND MOTOR DATA PUMP NUMBER 1 2 3 MANUFACTURER Flygt Flygt Flygt MODEL NUMBER NP3102X-463 NP3102X463 NP3102X-463 FLOW RATE (GPM) 362 362 362 T.D.H (FEET) 30.5 30.5 30.5 MOTOR NUMBER 1 2 3 MANUFACTURER Flygt Flygt Flygt MODEL NUMBER NP3102X-463 NP3102X463 NP3102X-463 HORSE POWER 5 5 5 VOLTAGE 230/460 230/460 230/460 R.P.M/PHASE 1735/3 1435/3 1435/3 FORCE MAIN DATA LENGTH 285' SIZE 8" LIFT STATION CONSTRUCTION DESCRIPTION Submersible Pump 3 in overflow basin EMERGENCY POWER CONNECTION Yes HEATING Yes CONTROL Transducer / Floats VENTILATION Yes TELEMETRY Rugid 9 POTABLE WATER Yes FLOWMETER Yes :,ODMAU'WiselGl6rde55a-789f-4269-a076-e72937e7a08cIC000-pw-app:Carollo\MAB 8 11 / i 312008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME LOCATION CONSTRUCTED RECONSTRUCTED PUMP AND MOTOR DATA Evendell 13815 160"' Avenue SE 2005 STATUS Active PROJECT WWP-27-2906 PUMP NUMBER 1 2 MANUFACTURER Flygt Flygt MODEL NUMBER NP3127X-488 NP3127X488 FLOW RATE (GPM) 240 240 T.D.H (FEET) 66 66 MOTOR NUMBER 1 2 MANUFACTURER Flygt Flygt MODEL NUMBER 94 21 08 94 21 08 HORSE POWER 10 10 VOLTAGE 460 460 R.P.M/PHASE 1745/3 1745/3 FORCE MAIN DATA LENGTH 1100 LF SIZE 6" DI LIFT STATION CONSTRUCTION DESCRIPTION Submersible EMERGENCY POWER CONNECTION HEATING No VENTILATION Yes POTABLE WATER No Yes CONTROL TELEMETRY FLOWMETER Transducer / Floats Rugid 9 Yes ::ODMAIP Wise1G 16cde55a-789f-4269-a076-e72937e7aO8c! Coca-pw-app:GarollokMAB 9 11 / 13/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME LOCATION CONSTRUCTED REHABILITATED PUMP AND MOTOR DATA Falcon Ridge 2471 SE 8th Place 1981 STATUS PROJECT Active WWP-27-1453 PUMP NUMBER 1 2 MANUFACTURER S & L S & L MODEL NUMBER 4B2B 4B2B FLOW RATE (GPM) 100 100 T.D.H (FEET) 101 101 MOTOR NUMBER 1 2 MANUFACTURER S & L S & L MODEL NUMBER 16055-XX2980 16055-XX2980 HORSE POWER 15 15 VOLTAGE 230/460 230/460 R.P.M/PHASE 1800/3 1800/3 FORCE MAIN DATA LENGTH 3217 LF SIZE 4" PVC LIFT STATION CONSTRUCTION DESCRIPTION Wet well mounted lift station (Smith & Loveless Desi with fiberglass enclosure EMERGENCY POWER CONNECTION Yes HEATING Yes CONTROL Transducer / Floats VENTILATION Yes TELEMETRY Ru id 6 POTABLE WATER No FLOWMETER No ::ODMAIP W ise1G16cde55a-789f-4269-a076-e72937e7a48c! Coco-pw-app:CarollolMAB 10 11113/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Highlands Estates LOCATION 13733 152"d Place SE CONSTRUCTED 2003 STATUS Active REHABILITATED PROJECT S-3017 PUMP AND MOTOR DATA PUMP NUMBER 1 MANUFACTURER Flygt MODEL NUMBER NP3127X489 FLOW RATE (GPM) 350 T_D.H (FEET) 45 2 Flygt NP3127X489 350 45 MOTOR NUMBER 1 2 MANUFACTURER Flygt Flygt MODEL NUMBER NP3127X-489 NP3127X489 HORSE POWER 7.5 7.5 VOLTAGE 460 460 R.P.M/PHASE 1740/3 1740/3 FORCE MAIN DATA LENGTH 41 F SIZE 6" LIFT STATION CONSTRUCTION DESCRIPTION Submersible EMERGENCY POWER CONNECTION HEATING No VENTILATION Yes POTABLE WATER No Yes CONTROL TELEMETRY FLOWMETER Transducer/Floats Rugid 9 Yes :0DMA1PWise1G16cde55a-789f4269-a076-e72937e7aa8c!Coco-pw-app:CarolloWAS 7 i 11 /13/2aos SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME LOCATION CONSTRUCTED REHABILITATED PUMP AND MOTOR DATA Kensington Crest 3000 SE 8" St 2002 STATUS PROJECT Active S-2900 PUMP NUMBER 1 2 MANUFACTURER Flygt Fl MODEL NUMBER NP3127X487 NP3127X487 FLOW RATE (GPM) 160 160 T.D.H (FEET) 80 80 MOTOR NUMBER 1 2 MANUFACTURER Flygt Flygt MODEL NUMBER NP3127X487 NP3127X-487 HORSE POWER 10 10 VOLTAGE 460 460 R.P.M/PHASE 174513 1745/3 FORCE MAIN DATA LENGTH 1350 SIZE 4" DI LIFT STATION CONSTRUCTION DESCRIPTION Submersible EMERGENCY POWER CONNECTION HEATING No VENTILATION Yes POTABLE WATER Yes Yes CONTROL Transducer/Fioats TELEMETRY Rugid 9 FLOWMETER Yes ::0DMAIRWise1G16cdeS5a-789i-4269-aO76-e72937e7aO8c!Coco-pw-app:CarolioWAB 12 11113/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Lake Washington Beach LOCATION 1201 Lake Washington Blvd. North CONSTRUCTED STATUS Active REHABILITATED PROJECT WWP-27-0314 PUMP AND MOTOR DATA PUMP NUMBER MANUFACTURER MODEL NUMBER FLOW RATE (GPM) T.D.H (FEET) MOTOR NUMBER MANUFACTURER MODEL NUMBER HORSE POWER VOLTAGE R.P.M/PHASE FORCE MAIN DATA LENGTH I S&L 4B2B 125 25 1 S&L 4132A 3 240/120 900/3 390' 2 S&L 4B2B 125 25 2 S&L 4B2A 3 240/120 900/3 SIZE 4" LIFT STATION CONSTRUCTION DESCRIPTION Wet well/dry well lift station (Smith & Loveless Design) EMERGENCY POWER CONNECTION Yes HEATING No CONTROL Transducer / Floats VENTILATION Yes TELEMETRY Rugid 6 POTABLE WATER No FLOWMETER No ::0DMXP W ise\G 16cde55a-789f-4269-a476-e72937e7aO8c! Coco-pw-app: Carollo\MA6 13 11/13/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME LOCATION CONSTRUCTED REHABILITATED PUMP AND MOTOR DATA PUMP NUMBER Lake Washington Flush Station 2725 Mountain View Avenue North 1972 2005 MANUFACTURER Paco (Sulzer) MODEL NUMBER 4070-21 FLOW RATE (GPM) 400 T.D.H (FEET) 6.5 MOTOR NUMBER I MANUFACTURER Paco MODEL NUMBER HORSE POWER 2 VOLTAGE 240/ 120 R.P.MIPHASE 1150/3 FORCE MAIN DATA LENGTH 18, STATUS PROJECT Active WWP-27-2987 SIZE 4" DI LIFT STATION CONSTRUCTION DESCRIPTION Submersible non -clogging um to pump lake water into gArvity sewer for flushing purposes EMERGENCY POWER CONNECTION Yes HEATING No CONTROL VENTILATION Yes TELEMETRY POTABLE WATER No FLOWMETER Timer Rugid 6 Yes ::ODMAIP Wise1G16ode55a-789fA269a076-e72937e7a06c! Cocolm-app:CarolloWAB 14 11/1 MOO SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Lake Washini ton No. 2 LOCATION 3903 Lake Washington Blvd. North CONSTRUCTED 1972 STATUS Active REHABILITATED 1994 PROJECT W WP-27-2063 PUMP AND MOTOR DATA PUMP NUMBER MANUFACTURER Hydromatic MODEL NUMBER S-13839 FLOW RATE (GPM) 385 T.D.H (FEET) 35 MOTOR NUMBER 1 MANUFACTURER Hydromatic MODEL NUMBER S 4 NX 500 JC HORSE POWER 7.5 VOLTAGE 230/460 R. P.M/PHASE 1750/3 FORCE MAIN DATA LENGTH 192 LF 2 Hydromatic S-13840 385 35 2 Hydromatic S 4 NX 500 JC 7.5 230/460 1750/3 SIZE 4" PVC LIFT STATION CONSTRUCTION DESCRIPTION Submersible non -clog pump EMERGENCY POWER CONNECTION Yes HEATING No CONTROL VENTILATION No TELEMETRY POTABLE WATER Yes FLOWMETER Transducers / Floats Rugid 6 No :ODMATWiselGl6cde55a-789fA269-a076-e72937e7a08c!Coco-pw-app:Carollo\MAB 15 11113/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Lind Avenue LOCATION 1891 Lind Avenue South CONSTRUCTED 1978 STATUS Active REHABILITATED 1983 PROJECT WWP-27-1999 PUMP AND MOTOR DATA PUMP NUMBER 1 2 3 MANUFACTURER Hydromatic HpEwrl tic Hydromatic MODEL NUMBER RV-6A RV-6A LV-6A FLOW RATE (GPM) 780 780 780 T,D.H (FEET) 13 13 13 MOTOR NUMBER 1 2 3 MANUFACTURER U.S. Electric U.S. Electric U.S. Electric MODEL NUMBER AV AV AV HORSE POWER 5 5 5 VOLTAGE 230/460 230/460 230/460 R.P,M/PHASE 865/3 865/3 865/3 FORCE MAIN DATA LENGTH SIZE 8" LIFT STATION CONSTRUCTION DESCRIPTION Wet well/dry well lift station (Hydronix Design) EMERGENCY POWER CONNECTION Yes HEATING No CONTROL Transducers / Floats VENTILATION Yes TELEMETRY Rugid 6 POTABLE WATER Yes FLOWMETER No ::ODMAIPWise1G16cde55a-789f4269-a076-e72937e7a08c!Coco-pw-app:GarolloWAB 16 11/1312008 LIFT STATION NAME LOCATION CONSTRUCTED REHABILITATED SEWAGE LIFT STATION DATA SHEET Long Lift Station 2702 Union Ave NE 2001 PUMP AND MOTOR DATA PUMP NUMBER 1 MANUFACTURER Flygt MODEL NUMBER CP-3127X481 FLOW RATE (GPM) 100 T.D.H (FEET) 90 MOTOR NUMBER I MANUFACTURER Flygt MODEL NUMBER CP-3127X-481 HORSE POWER 10 VOLTAGE 460 R.P.M/PHASE 1735/3 FORCE MAIN DATA LENGTH 725' LIFT STATION CONSTRUCTION DESCRIPTION Submersible EMERGENCY POWER CONNECTION HEATING No VENTILATION No POTABLE WATER Yes STATUS PROJECT Active I 2 F1 CP-3127X-481 �f 2 Flygt CP-3127X-481 10 460 1735/3 SIZE 4" Yes CONTROL Transducer/Floats TELEMETRY Rugid 6 FLOWMETER No ::ODMA1PWise1G16cde55a-789f-4269-a076-e72937e7a08c!Coco-pw-app:CarollolMAB 17 11/13/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME LOCATION CONSTRUCTED REHABILITATED PUMP AND MOTOR DATA Misty Cove ^ 5027 Ripley Lane North 1974 STATUS Active PROJECT WWP-27-0163 PUMP NUMBER 1 2 MANUFACTURER A & C A & C MODEL NUMBER NSWV NSWV FLOW RATE (GPM) 75 75 T.D.H (FEET) 18 18 MOTOR NUMBER 1 2 MANUFACTURER A & C A & C MODEL NUMBER 400 400 HORSE POWER 2 2 VOLTAGE 240/120 240/120 R.P.M/PHASE 1150/3 1150/3 FORCE MAIN DATA LENGTH 3 LF SIZE 4" CI LIFT STATION CONSTRUCTION DESCRIPTION Recessed wet well mounted lift station - stacked wells Electrical Panel Upgraded in 1997 Surface access upgraded 2005 (S-2987) EMERGENCY POWER CONNECTION Yes HEATING No CONTROL Transducers / Floats VENTILATION Yes TELEMETRY Rugid 6 POTABLE WATER No FLOWMETER No ::ODMATWise1G16cde55a-789€-4269-aO76-e72937e7ao8clC000-pw-app:CarohoWAS 18 1 1/13/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Stonegate LOCATION 5610 NE 26th Street CONSTRUCTED 1996 STATUS Active REHABILITATED PROJECT WWP-27-2202 PUMP AND MOTOR DATA PUMP NUMBER 1 2 MANUFACTURER S & L S & L MODEL NUMBER 4C3B 4C3B FLOW RATE (GPM) 140 140 T.D.H (FEET) 125 125 MOTOR NUMBER 1 2 MANUFACTURER S & L S & L SERLAL NUMBER 16-5557-H 16-5557-H MODEL NUMBER 02000-1 WAW-0022 02000-1 HAN-0022 HORSE POWER 20 20 VOLTAGE 230/460 230/460 R.P.M/PHASE 1800/3 1800/3 FORCE MAIN DATA LENGTH 1300' SIZE 4" LIFT STATION CONSTRUCTION DESCRIPTION Wet well mounted lift station w/ fiberglass enclosure EMERGENCY POWER CONNECTION HEATING Yes VENTILATION Yes POTABLE WATER No Yes CONTROL TELEMETRY FLOWMETER Transducers / Floats Rugid 6 No ::0DMA1PWise1G16ode55a-789f-4269-a076-e72937e7aO8c!Coco-pw-app_Carollo%MAB 19 11/1312008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Summer -wind LOCATION 5216 NE 23rd Court CONSTRUCTED 1987 STATUS Active REHABILITATED PROJECT WWP-27-1949 PUMP AND MOTOR DATA PUMP NUMBER 1 2 MANUFACTURER S & L S & L MODEL NUMBER 4C3B 4C3B FLOW RATE (GPM) 375 375 T.D.H (FEET) 133 133 MOTOR NUMBER 1 2 MANUFACTURER S & L S & L SERIAL NUMBER 16-3572-C 16-3572-C MODEL NUMBER 4C3B 4C313 HORSE POWER 25 25 VOLTAGE 230/460 230/460 R.P.MIPHASE 1760/3 1760I3 FORCE MAIN DATA LENGTH 1065 LF SIZE 6" LIFT STATION CONSTRUCTION DESCRIPTION Wet well mounted lift station (Smith. and Loveless Design) w1 fiberglass enclosure. Power panel & emergency plug moved to top of driveway. EMERGENCY POWER CONNECTION Yes HEATING Yes CONTROL Transducer / Floats VENTILATION Yes TELEMETRY Rugid 6 POTABLE WATER No FLOWMETER No :ODMATWise\Gl6ode55a-789f-4269-aO76-e72937e7a08c!Coco-pw-app:CarolloWAS 20 1111312008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME LOCATION CONSTRUCTED RECONSTRUCTED PUMP AND MOTOR DATA PUMP NUMBER Talbot Crest 2511 Talbot Crest Drive South 49" STATUS Active 2000 PROJECT WWP-27-2793 MANUFACTURER Flygt MODEL NUMBER CP3085X-092 FLOW RATE (GPM) 110 T.D.H (FEET) 33 MOTOR NUMBER 1 MANUFACTURER Flygt MODEL NUMBER CP3085X-092 HORSE POWER 3 VOLTAGE 460 R.P.M./PHASE 1700/3 2 Flygt CP3085X-092 110 33 2 Flygt CP3085X-092 3 460 1700/3 FORCE MAIN DATA LENGTII 525 LF SIZE 4" C900 LIFT STATION CONSTRUCTION DESCRIPTION Submersible Working storage: 1,500gpm / Emergency Storage 7,000 2m EMERGENCY POWER CONNECTION Yes HEATING Yes CONTROL Transducer / Floats VENTILATION Yes TELEMETRY Rugid 6 POTABLE WATER Yes FLOWMETER No ::ODMAIPMWGl6We55a-789f-4269-a076-e72937e7a08c±Coco-pw-app:Carollo\MAB 21 11113/2008 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME LOCATION CONSTRUCTED RECONSTRUCTED PUMP AND MOTOR DATA PUMP NUMBER MANUFACTURER MODEL NUMBER FLOW RATE (GPM) T.D.H (FEET) MOTOR NUMBER MANUFACTURER MODEL NUMBER HORSE POWER VOLTAGE R.P.M/PHASE Wed ewood 5401 NE I Oh Street 2006 STATUS Active PROJECT WWP-27-3278 I Flygt NP3171-437X 350 67.2 I Flygt NP3102X-463 25 460 1745/3 2 Flygt NP3171437X 350 67.2 2 Flygt NP3102X463 25 460 1745/3 3 Flygt — NP3085463X 400 11 3 Flygt NP3102X-463 3 FORCE MAIN DATA LENGTH 1170' SIZE 8" HDPE 460 1680/3 LIFT' STATION CONSTRUCTION DESCRIPTION Submersible — Above Grade Electrical Enclosure — Pumping Chamber Integral to Overflow Basin - Pump 3 From Overflow to Main Chamber Working Storage: 8,400 gals — Emergency Storage: 48,500 gals EMERGENCY POWER CONNECTION Yes HEATING VENTILATION POTABLE WATER No Yes Yes CONTROL TELEMETRY FLOWMETER Transducer / Floats Rugid 9 Yes ::CDMA%P W ise1G 16cde55a-789f-4269-8076-e72937e7a08c! Coco-pw-app: CarolloWlAB 22 1601 ,11I4.1 SEWAGE LIFT STATION DATA SHEET LIFT STATION NAME Westview LOCATION 1149 Monterey Avenue NE CONSTRUCTED 1996 STATUS Active REHABILITATED PROJECT WWP-27-2188 PUMP AND MOTOR DATA PUMP NUMBER MANUFACTURER Barnes MODEL NUMBER XSGV FLOW RATE (GPM) T.D.H (FEET) MOTOR NUMBER i MANUFACTURER Barnes MODEL NUMBER HORSE POWER 2 VOLTAGE 240/ 120 R.P.M/PHASE 3450/1 FORCE MAIN DATA LENGTH 250' LIFT STATION CONSTRUCTION DESCRIPTION Submersible grinder pumps EMERGENCY POWER CONNECTION HEATING No VENTILATION Yes POTABLE WATER No 2 Barnes XSGV 2 Barnes 2 240/120 3450/1 SIZE 3" Yes CONTROL Floats TELEMETRY Rugid 6 FLOWMETER No ::ODMAIP Wise1G 16cde55a-789f-0269-aO76-e72937e7aO8cl Coca-pw-app:Carollo\MAB 23 APPENDIX C January 2009 To be completed and inserted by City January 2009 APPENDIX D January 2009 To be inserted for Final Plan January 2009