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HomeMy WebLinkAboutMisc - folder 2` �J cr LLJ z wU ,-- Tw -WJAM 3NVI 3UH L7 I L � I �:i' 1� p C9 O 7,9 -�,-y wz NoD -L9 CC) C7 LLJ CC) �.- A I k A . , /(\ Q \� LL cl :. : ) , | . cl! / Lf� LLJ Z c � �\ LLI -u a: 0 kco \ cm 0.9 r- LLJ 4-d LW r }� a m= . . k A . , /(\ Q \� LL :. : Lf� LLJ Z c Him kco cm k A . , / Q cm 0.9 r- LLJ 4-d LW r � \ \ � \ ��` . i 7-'�-.-- 717-7 �� � � 2 i L , � / ! - \\ - \� ti � % u w \ ( y < cc MINE Q < u 1= M oj - Lj > ol kml: u z u aILJ x W z j I N O m LLJ X LLJ Z _j CY)C=� > o> 0.9 04 0 LU LW u z u aILJ x W z j I N O u z u aILJ x W z j I N LLJ X LLJ Z _j CY)C=� > o> 0.9 04 0 CY)C=� > o> 0.9 04 0 LU LW > o> 0 CITY OF RENTON, WASHINGTON ORDINANCE NO. 5610 AN ORDINANCE OF THE CITY OF RENTON, WASHINGTON, ESTABLISHING A PLANNED ACTION FOR THE SUNSET AREA PURSUANT TO THE STATE ENVIRONMENTAL POLICY ACT. THE CITY COUNCIL OF THE CITY OF RENTON, WASHINGTON, DOES ORDAIN AS FOLLOWS: SECTION 1. Findings. The Council finds as follows: A. The City is subject to the requirements of the Growth Management Act, RCW 36.70A ("GMA") and is located within an Urban Growth Area; B. The City has adopted a Comprehensive Plan complying with the GMA, and is amending the Comprehensive Plan to address transportation improvements and capital facilities specific to the Sunset Area; C. The City has adopted a Community Investment Strategy, development regulations and design guidelines specific to the Sunset Area which will guide growth and revitalization of the area, including the Sunset Terrace public housing project; D. The City has prepared an EIS for the Sunset Area, and the EIS adequately addresses the probable significant environmental impacts associated with the type and amount of development planned to occur in the designated Planned Action area; E. The mitigation measures identified in the Planned Action EIS and attached to this ordinance as Attachment B, together with adopted City development regulations, will adequately mitigate significant impacts from development within the Planned Action area; EXHIBIT 10 ORDINANCE NG. 5610 F. The Comprehensive Plan and Planned Action EIS identify the location, type and amount of development that is contemplated by the Planned Action; G. Future projects that are implemented consistent with the Planned Action will protect the environment, benefit the public and enhance economic development; H. The City has provided numerous opportunities for meaningful public involvement in the proposed Planned Action, has considered all comments received, and, as appropriate, has modified the proposal or mitigation measures in response to comments; 1. The Sunset Area Planned Action is not an essential public facility as defined by RCW 35.70A.200(1); J. The Planned Action area applies to a defined area that is smaller than the overall City boundaries; and K. Public services and facilities are adequate to serve the proposed Planned Action. SECTION II. Procedures and Criteria for Evaluating and Determining Pro'ects as Planned Actions. A. Planned Action Area. The Planned Action designation shall apply to the area shown in Attachment A. B. Environmental Document. A Planned Action determination for a site-specific implementing project application shall be based on the environmental analysis contained in the Draft EIS issued by the City on December 17, 2010, and the Final EIS published on April 1, 2011. The Draft and Final EISs shall comprise the Planned Action EIS. The mitigation measures contained in Attachment B are based upon the findings of the Planned Action EIS and shall, 2 ORDINANCE NO. 5610 along with adopted City regulations, provide the framework that the City will use to impose appropriate conditions on qualifying Planned Action projects. C. Planned Action Designated. Land uses and activities described in the Planned Action EIS, subject to the thresholds described in subsection ILD and the mitigation measures contained in Attachment B, are designated Planned Actions or Planned Action Projects pursuant to RCW 43.21C,031. A development application for a site-specific Planned Action project located within the Sunset Area shall be designated a Planned Action if it meets the criteria set forth in subsection 11.13 of this ordinance and applicable laws, codes, development regulations and standards of the City. D. Planned Action Qualifications. The following thresholds shall be used to determine if a site-specific development proposed within the Sunset Area is contemplated by the Planned Action and has had its environmental impacts evaluated in the Planned Action EIS: (1) Land Use. (a) The following general categories/types of land uses are considered Planned Actions: Single family and multi -family residential; schools; parks; community and public facilities; office and conference; retail; entertainment and recreation; services; utilities; and mixed-use development incorporating more than one use category where permitted. (b) Individual land uses considered as Planned Actions shall include those uses specifically listed in RMC 4-2-060 as permitted or conditionally permitted in the zoning classifications applied to properties within the Planned Action area provided they are consistent with the general categories / types of land uses in (1)(a). 3 ORDINANCE N0. 5610 (2) Development Thresholds. (a) The following amount of various new land uses are anticipated by the Planned Action: Land Use Development Amount Alternative 3 FE1S Preferred Alt Residential 2,506 units 2,339 units Schools 57,010 gross square feet 57,010 gross square feet Parks 0.25 acres 3 acres Office/Service 776,805 gross square feet 745,810 gross square feet Retail 476,299 gross square feet 457,119 gross square feet (b) The following infrastructure and utilities are considered planned actions: roadways, water, wastewater, and stormwater facilities identified and studied in the EIS. (c) Shifting development amounts between categories of uses may be permitted so long as the total build -out does not exceed the aggregate amount of development and trip generation reviewed in the EIS, and so long as the impacts of that development have been identified in the Planned Action EIS and are mitigated consistent with Attachment B. (d) If future development proposals in the Planned Action area exceed the development thresholds specified in this ordinance, further environmental review may be required pursuant to WAC 197-11-172. Further, if proposed development would alter the assumptions and analysis in the Planned Action EIS, further environmental review may be required. A" ORDINANCE N0. 5610 (3) Transportation - Trip Ranges and Thresholds. The number of new PM Peak Hour Trips anticipated in the Planned Action area and reviewed in the EIS are as follows: Alternative/Period PM Peak Hour Trips* 2006 2,082 trips 2030 Alternative 3 5,555 trips 2030 Preferred Alt 5,386 trips Net increase from 2006 -> 2030 Alternative 3 3,473 trips Net increase from 2006 -> 2030 Preferred Alternative 3,304 trips *all P.M. peak hour trips with at least one end (origin, destination, or both) in TAZs containing the study area Uses or activities that would exceed the range of maximum trip levels will require additional SEPA review. (4) Changed Conditions. Should environmental conditions change significantly from those analyzed in the Planned Action EIS, the City's SEPA Responsible Official may determine that the Planned Action designation is no longer applicable until supplemental environmental review is conducted. E. Planned Action Review Criteria. (1) The City's Environmental Review Committee may designate as "planned actions", pursuant to RCW 43.21C.030, applications that meet all of the following conditions: (a) The proposal is located within the Planned Action area identified in Attachment A of this ordinance; (b) The proposed uses and activities are consistent with those described in the Planned Action EIS and subsection II.D of this ordinance; 5 ORDINANCE NO. 5610 (c) The proposal is within the Planned Action thresholds and other criteria of subsection ILD of this ordinance; (d) The proposal is consistent with the City of Renton Comprehensive Plan and applicable zoning regulations; (e) The proposal's significant adverse environmental impacts have been identified in the Planned Action EIS; (f) The proposal's significant impacts have been mitigated by application of the measures identified in Attachment B, and other applicable City regulations, together with any modifications or variances or special permits that may be required; (g) The proposal complies with all applicable local, state and/or federal laws and regulations, and the Environmental Review Committee determines that these constitute adequate mitigation; and 36.70A.200(1). (h) The proposal is not an essential public facility as defined by RCW (2) The City shall base its decision on review of a SEPA checklist, or an alternative form approved by the Department of Ecology, and review of the application and supporting documentation. (3) A proposal that meets the criteria of this section shall be considered to qualify and be designated as a planned action, consistent with the requirements of RCW 43.21C.030, WAC 197-11-164 et seq, and this ordinance. F. Effect of Planned Action. A ORDINANCE NO. 5610 (1) Designation as a planned action project means that a qualifying proposal has been reviewed in accordance with this ordinance and found to be consistent with its development parameters and thresholds, and with the environmental analysis contained in the Planned Action EIS. (2) Upon determination by the City's Environmental Review Committee that the proposal meets the criteria of subsection ILD and qualifies as a planned action, the proposal shall not require a SEPA threshold determination, preparation of an EIS, or be subject to further review pursuant to SEPA. G. Planned Action Permit Process. Applications for planned actions shall be reviewed pursuant to the following process: (1) If the project is determined to qualify as a Planned Action, it shall proceed in accordance with the applicable permit review procedures specified in RMC 4-8-OBOG and 4-9, except that no SEPA threshold determination, EIS or additional SEPA review shall be required. The decision of the Environmental Review Committee regarding qualification as a Planned Action shall be final. (2) Public notice and review for projects that qualify as Planned Actions shall be tied to the underlying permit. The review process for the underlying permit shall be as provided in RMC 4-8-080G and 4-9. If notice is otherwise required for the underlying permit, the notice shall state that the project has qualified as a Planned Action. If notice is not otherwise required for the underlying permit, no special notice is required by this ordinance. (3) If a project is determined to not qualify as a Planned Action, the Environmental Review Committee shall so notify the applicant and prescribe a SEPA review 7 ORDINANCE No. 5610 procedure consistent with the City's SEPA regulations and the requirements of state law. The notice shall describe the elements of the application that result in failure to qualify as a Planned Action. (4) Projects that fail to qualify as Planned Actions may incorporate or otherwise use relevant elements of the Planned Action EIS, as well as other relevant SEPA documents, to meet their SEPA requirements. The Environmental Review Committee may limit the scope of SEPA review for the non -qualifying project to those issues and environmental impacts not previously addressed in the Planned Action EIS. SECTION III. Monitoring and Review. A. The City shall monitor the progress of development in the designated Planned Action area to ensure that it is consistent with the assumptions of this ordinance and the Planned Action EIS regarding the type and amount of development and associated impacts, and with the mitigation measures and improvements planned for the Sunset Area. B. This Planned Action ordinance shall be reviewed no later than five (5) years from its effective date by the Environmental Review Committee to determine the continuing relevance of its assumptions and findings with respect to environmental conditions in the Planned Action area, the impacts of development, and required mitigation measures. Based upon this review, the City may propose amendments to this ordinance and/or may supplement or revise the Planned Action EIS. C. At the following time periods, the City shall evaluate the overall sustainability of the Sunset Area Planned Action area defined in Attachment A consistent with Final EIS 8 ORDINANCE N0. 5610 Appendix A review of Goals and Objectives and LEER -ND qualitative evaluation, or an equivalent approach: (1) At the time of the five (5) -year review in subsection IV.B above. (2) At the time of a NEPA re-evaluation pursuant to 24 CFR Part 58.53. D. The City shall conduct a Greenroads evaluation or its equivalent at the time the NE Sunset Boulevard design is at the 30% design level and at the 60% design level. E. The City shall review the Potential Sunset Terrace Redevelopment Subarea at the time of the five (5) -year review in subsection III.B in relation to the following evaluation criteria: (1) Contribution of final conceptual designs to 2030 Regional Vehicle Miles Travelled (VMT) consistent with Final EIS Table 3.2-4, Sunset Terrace Redevelopment Subarea Contribution to Forecast 2030 Regional VMT. (2) Changes in land use and population growth and resulting greenhouse gas emissions of final conceptual designs compared to Tables 3.2-5 and 3.2-6 of the Final EIS, titled respectively Assumed Land Use and Population Growth for Greenhouse Gas Emission Calculations—Potential Sunset Terrace Redevelopment Subarea and Comparison of Greenhouse Gas Emissions—Potential Sunset Terrace Redevelopment Subarea. (3) Change in effective impervious area for Sunset Terrace Redevelopment Subarea compared with Final EIS Preferred Alternative and Alternative 3 which resulted in a decrease of approximately 0.51 acre (11%) to 1.07 acres (23%) compared to existing conditions per Table 7 of the Planned Action ordinance Attachment B. SECTION IV. Conflict. In the event of a conflict between this ordinance or any mitigation measure imposed thereto, and any ordinance or regulation of the City, the 07 ORDINANCE NO. 5610 provisions of this ordinance shall control except that the provision of any Uniform Code shall supersede. SECTION V. Severability. Should any section, subsection, paragraph, sentence, clause or phrase of this ordinance or its application be declared to be unconstitutional or invalid by a court of competent jurisdiction, such decision shall not affect the constitutionality or validity of the remaining portions of this ordinance or its application to any other person or situation. SECTION VI. Effective Date. This ordinance, being an exercise of a power specifically delegated to the City legislative body, is not subject to referendum, and shall take effect five (5) days after its passage, approval and publication as provided by law. PASSED BY THE CITY COUNCIL this 13thday of June , 2011. Bonnie 1. Walton, City Clerk APPROVED BY THE MAYOR this 13thday of June , 2011 r Denis Law, Mayor Approved as to form: Lawrence J. Warren, City Attorney Date of Publication: 6/17 / 2011 ( summary) ORD.1705:5/13/11:scr 10 ORDINANCE NO. 5610 Attachment A Planned Action Study Area Sunset Area Community Planned Action Final NEPA/SEPA EIS ORDINANCE NO. 5610 Attachment B: Sunset Area Community Planned Action EIS Mitigation Measures Table of Contents Introductionand Purpose...................................................................................................................... 3 SEPATerms............................................................................................................................................. 3 General Interpretation........................................................................... .....3 Summary of Proposal, Alternatives, and Land Capacity........................................................................4 Proposal and Alternatives................................................................................................................4 LandCapacity--•....................................................•---.------.... ......4 Location.................................................................................................................................................. 5 MitigationDocument.............................................................................................................................5 1. Earth....................................................................................................................................6 2. Air Quality...................................................................... ...8 .................................................. 3. Water Resources...............................................................................................................14 4. Plants and Animals. ........................................................................................................... 17 5. Energy...............................................................................................................................19 6. Noise................................................................................................................................. 22 7. Environmental Health.......................................................................................................24 8. Land Use............................................................................................................................27 9. Socioeconomics................................................................................................................ 29 10. Housing........................................:....................................................................................31 11. Environmental Justice...................•--.------..........................................................................33 12. Aesthetics..........................................................................................................................35 13. Historic/Cultural................................................................................................................38 14. Transportation..................................................................................................................41 15. Parks and Recreation........................................................................................................45 16. Public Services. .................................................................................................................. 47 17. Utilities..............................................................................................................................53 AdvisoryNotes.................................................................................... .......... ....58 Attachment 1: Draft EIS, Cultural Resources Appendix J, Plan and Procedures for Dealing with the Unanticipated Discovery ........................................................................................................59 Attachment 2: Figure 3.17-1 Potential Subarea Utility Improvements and Phasing ........................ 61 ater............................................................................................................... ..... 62 Overview......................................................................................................................................... 62 Edmonds -Glenwood Phase 1.........................................................................................................62 NewLibrary ................................................................. ...............62 New Mixed -Use Building Adjacent to New Library ..............................................................................63 RHA's Piha Site......................................................•........................................................................ 63 Planned Action Ordinance 1 Attachment B: Mitigation Document ORDINANCE NO. 5610 Sunset Terrace Redevelopment.. Edmonds -Glenwood Phase 2.--... Water Main Costs ....................... Wastewater Collection ...................... Overview..................................... Detailed Discussion ..................... ........................................................•-•-........--.......................... 64 ..... ..... ........ I .... ... I ... ... ... ... I........................................................ 64 ................................................................................................ 65 ........... ............ ................................... .......... I........................... 65 ................................................................................................ 65 ................................................................................................ 65 Planned Action Ordinance 2 Attachment 9: Mitigation Document List of Tables Table 1. Summary of Land Capacity-- Planned Action Alternatives................................................... 5 Table 2. Earth Significant impacts...................................................................................................................... 6 Table 3. Earth Mitigation Measures................................................................................................................... 7 Table 4. Air Quality Significant Impacts...............................................................•------...............--------.............. 8 Table 5. Air Quality Mitigation Measures......................................................................................................11 Table 6. Potential Greenhouse Gas Reduction Measures........................................................................12 Table 7. Water Resources Significant Impacts ................................................ •........ ................................... 14 Table 8. Plants and Animals Significant impacts........................................................................................17 Table 9. Energy Significant Impacts.................................................................................................. ........19 Table 14. Energy Mitigation Measures........................................................ ....... ............................................... 21 Table 11. Noise Significant Impacts................................................................................................................... 22 Table 12. Noise Mitigation Measures.................................................................................................................23 Table 13. Environmental Health Impacts........................................................................................................24 Table 14. Environmental Health Mitigation Measures...............................................................................2S Table15. Land Use Impacts...................................................................................................................................27 Table 16. Land Use Mitigation Measures.........................................................................................................28 Table 17. Socioeconomics Impacts.....................................................................................................................29 Table 18. Socioeconomics Mitigation Measures...........................................................................................31 Table19. Housing Impacts........ ......................................................................................................................... __ 3 1 Table 20. Housing Mitigation Measures..........................................••--------.......................................................33 Table 21. Environmental Justice Impacts........................................................................................................33 Table 22. Environmental Justice Mitigation Measures...............................................................................35 Table23. Aesthetic Impacts....... .................................................................................................................. ......... 35 Table 24. Aesthetic Mitigation Measures.........................................................................................................37 Table 25. Historic/Cultural Impacts..................................................................................................................38 Table 26. Historic/Cultural Mitigation Measures.........................................................................................39 Table 27. Transportation Impacts......................................................................................................................41 Table 28. Transportation Mitigation Measures.............................................................................................43 Table 29. Parks and Recreation Impacts..........................................................................................................45 Table 30. Parks and Recreation Mitigation Measures................................................................................46 Table 31. Public Services Impacts.......................................................................................................................47 Table 32. Public Services Mitigation Measures.............................................................................................51 Table33. Utilities Impacts......................................................................................................................................53 Table 34. Utilities Mitigation Measures:::.- ........ :.::........ :........................ ........::............................................ ...... 55 .. Planned Action Ordinance 2 Attachment 9: Mitigation Document ORDINANCE NO. 561.0 Introduction and Purpose The State Environmental Policy Act (SEPA) requires environmental review for project and non - project proposals that are likely to have adverse impacts upon the environment. In order to meet [National Environmental Policy Act (NEPA) and SEPA requirements, the City of Renton issued the Draft Environmental Impact Statement (DEIS) far the City of Renton SunsetArea Community Planned Action on December 17, 2010 and the Final Environmental Impact Statement (FEIS) for the City of Renton Sunset Area Community Planned Action on April 1, 201.1. The Draft together with the Final EIS is referenced herein as the "EIS". The EIS has identified significant beneficial and adverse impacts that are anticipated to occur with the future development of the Planned Action area, together with a number of possible measures to mitigate those significant adverse impacts. The purpose of this Mitigation Document is to establish specific mitigation measures, based upon significant adverse impacts identified in the EIS. The mitigation measures shall apply to future development proposals which are consistent with the Planned Action scenarios reviewed in the EIS, and which are located within the Renton Sunset Area Community Planned Action Study Area (see Attachment A). SEPA Terms As used in this document, the words action, planned action, or proposal are defined as described below. • "Action" means projects or programs financed, licensed, regulated, conducted or approved by a governmental Agency. "Project actions" involve decisions on a specific project such as a construction or management activity for a defined geographic area. "Non -project" actions involve decisions about policies, plans or programs. (see WAC 197-11-704) • "Planned Action" refers to types of project actions that are designated by ordinance for a specific geographic area and addressed in an EIS, in conjunction with a comprehensive plan or subarea plan, a fully contained community, a master planned resort, a master planned development or phased project (see WAC 197-11-164) • "Proposal" means a proposed action that maybe an action and regulatory decision of an agency, or any action proposed by applicants. (see WAC 197-11-784) General Interpretation Where a mitigation measure includes the words "shall" or "will," inclusion of that measure in project plans is mandatory in order to qualify a project as a Planned Action. Where 'should" or "would" appear, the mitigation measure may be considered by the project applicant as a source of additional mitigation, as feasible or necessary, to ensure that a project qualifies as a Planned Action. Unless stated specifically otherwise, the mitigation measures that require preparation of plans, conduct of studies, construction of improvements, conduct of maintenance activities, etc., are the responsibility of the applicant or designee to fund and/or perform. Planned Action OfdlndrlC2 Attachment B: Mitigation Document ORDINANCE NO. 5610 Summary of Proposal, Alternatives, and Land Capacity Proposal and Alternatives The proposal is to redevelop the Sunset Terrace public housing community and promote associated neighborhood growth and revitalization as part of a Planned Action. Redevelopment of the public housing community and adoption of a Planned Action Ordinance would encourage redevelopment in the Planned Action Study Area through land use transformation and growth, public service and infrastructure improvements, and a streamlined environmental review process. The Renton Housing Authority (RHA) is the proponent of the proposal's primary development action, redevelopment of the existing Sunset Terrace public housing community; however, RHA would likely redevelop the property in partnership with other public and private non-profit and for-profit developers and agencies. The City of Renton (City) is responsible for public service and infrastructure improvements for Sunset Terrace and the broader Sunset Area Community neighborhood, is the agency responsible for streamlining local permitting and environmental review through this Planned Action, and is the agency that would regulate private neighborhood redevelopment in accordance with its Comprehensive Plan and development regulations. The City analyzed three alternatives (Alternatives 1, 2, and 3) as part of the Draft EIS to determine its Preferred Alternative. The Preferred Alternative is evaluated in the Final EIS. All four alternatives are described below. Alternative 1 (No Action). RHA would develop affordable housing on two vacant properties, but it would not redevelop the Sunset Terrace public housing property. Very limited public investment would be implemented by the City, resulting in lesser redevelopment across the Planned Action Study Area. A Planned Action would not be designated. The No Action Alternative is required to be studied under NEPA and SEPA. Alternative 2. This alternative represents a moderate level of growth in the Planned Action Study Area based on investment in mixed -income housing and mixed uses in the Potential Sunset Terrace Redevelopment Subarea, targeted infrastructure and public services throughout the Planned Action Study Area, and adoption of a Planned Action Ordinance. Alternative 3. This alternative represents the highest level of growth in the Planned Action Study Area, based on investment in the Potential Sunset Terrace Redevelopment Subarea with a greater number dwellings developed in a mixed -income, mixed-use style, major public investment in study area infrastructure and services, and adoption of a Planned Action Ordinance. Preferred Alternative. This alternative represents neighborhood growth similar to and slightly less than Alternative 3 in the Planned Action Study Area, based on investment in the Potential Sunset Terrace Redevelopment Subarea with a moderate number dwellings developed in a mixed -income, mixed-use style oriented around a larger park space and loop road,_major public investment in study area infrastructure and services, and adoption of a Planned Action Ordinance. Land Capacity To determine future growth scenarios for the next 20 years, a land capacity analysis was prepared. The alternatives produce different future growth estimates. Each would affect different amounts of property. Planned Action Ordinance Attachment B: Mitigation Document ORDINANCE NO. 5610 • Alternative 1 assumes that about 16% (35 acres) of the 213 net acres of Planned Action Study Area parcels would infill or redevelop. • Alternative 2 assumes that about 32% (68 acres) of the Planned Action Study Area parcels would infill or redevelop. Alternative 3 assumes that approximately 40% (84 acres) of the Planned Action Study Area parcels would infill or redevelop. • The Preferred Alternative assumes that approximately 40% (84 acres) of the Planned Action Study Area parcels would infill or redevelop. The latter two alternatives - Alternative 3 and the Preferred Alternative which is similar - represent the higher growth levels studied in the EIS and differ by about 7%; these two alternatives are considered for the purposes of this mitigation document to be the "Planned Action Alternatives." This mitigation document is based on the range of growth considered in the Planned Action Alternatives. More details on the components of the alternatives can be found in Final EIS Chapter 2. Table 1. Summary of land Capacity— Planned Action Alternatives Dwelling Units/jobs Net New Growth Alternative 3 Preferred Alternative Dwelling units 2,506 2,339 Population 5,789 5,403 Employment SF 1,310,113 1,247,444-1,259,944 jobs 3,330 3,154-3,192 Location The Sunset Terrace public housing community is generally bounded by Sunset Lane NE and Glenwood Avenue NE on the north, NE 10th Street on the east, NE Sunset Boulevard (State Route [SR] 900) on the south, and Edmonds Avenue NE on the west. See Attachment A of the Planned Action Ordinance. The Sunset Terrace public housing community is part of the Sunset Area Community neighborhood. This broader neighborhood is the Planned Action Study Area considered in the EIS; it is generally bounded by NE 21st Street on the north, Monroe Avenue NE on the east, NE 7th Street on the south, and Edmonds Avenue NE. See Attachment A of the Planned Action Ordinance. Mitigation Document Based on the EIS, this Mitigation Document identifies significant adverse environmental impacts that are anticipated to occur as a result of development of planned action projects. Mitigation measures identified in the EIS are reiterated here for inclusion in proposed projects to mitigate related impacts and to qualify as Planned Action projects. Consistency review under the Planned Action, development plan review, and other permit approvals will be required for specific development actions under the Proposed Action pursuant to WAC 197 - Planned Action Ordinance c Attachment B: Mitigation Document 197:3>I121rA01I'+La 101 [a]WY11 c, 11-172. Additional project conditions may be imposed on planned action projects based upon the analysis of the proposal in relationship to independent requirements of the City, state or federal requirements or review criteria. Any applicant for a project within the Planned Action area may propose alternative mitigation measures, if appropriate and/or as a result of changed circumstances, in order to allow equivalent substitute mitigation for identified impacts. Such modifications shall be evaluated by the City's SEPA Responsible Official prior to any project approvals by the City. In combination, regulations applicable to each element of the environment and mitigation measures identified in the EIS and documented in this Mitigation Document that are applied to any planned action proposal will adequately mitigate all significant environmental impacts associated with planned action proposals, except for those impacts that are identified as "significant unavoidable adverse impacts." Provided below for each element of the environment analyzed in the EIS for the proposed action are: (a) summary of significant environmental impacts (construction, operation, indirect and cumulative); (b) a summary of unavoidable adverse impacts; (c) mitigation measures established by this mitigation document for both the Planned Action Study Area as a whole as well as the Potential Sunset Terrace Redevelopment Subarea; and (d) a list of City policies/regulations on which mitigation measures are based. Advisory notes are included at the end of the document to list the federal, state, and local laws that act as mitigation measures. 1. Earth Significant Impacts Table 2. Earth Significant Impacts There is an increased risk of landsliding There are no mapped geologic hazards, Planned Action ordinance c Attachment B: Mitigation Document Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Erosion could increase as a result of soil Same as Planned Action Study Area disturbance; however, much of the existing soils are glacial outwash materials with low erosion potential. Codified best management practices minimize the potential for both erosion and erosion transport to waterways. Construction could require import and Similar to Planned Action Study Area. export of earth materials; however, The underlying glacial outwash soils with minimal planning and protection, have the highest potential for reuse the outwash soils in most of the study within the Planned Action Study Area area could be reused as backfill, and consequently the subarea. minimizing import and expom There is an increased risk of landsliding There are no mapped geologic hazards, Planned Action ordinance c Attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea due to soil disturbance, changing and thus a low potential for impacts. drainage, or temporarily oversteepening slopes. However, a relatively small proportion of the study area is considered either steep slope or erosion hazard. Both the glacial outwash and till soils are generally strong and of low concern regarding slope instability. Operations Active seismicity in the Planned Action Study Area would require that inhabited structures, including buildings, bridges, and water tanks, be designed to withstand seismic loading. Indirect The major steep slope, erosion, and landslide hazard areas within the Planned Action Study Area extend beyond the study area boundaries. Development on the slope above (inside) the study area boundary could increase the risk of erosion and landsliding downslope (outside) of the study area. Cumulative Same as indirect impacts above; intensive development around this hazard area outside of the Planned Action Study Area by other projects is not currently anticipated, but could increase the risk of erosion and landslidine. Unavoidable Adverse Impacts There are no significant unavoidable adverse earth impacts. Mitigation Measures Same as Planned Action Study Area There are no mapped geologic hazards, and thus a low potential for impacts. There are no mapped geologic hazards, and thus a low potential for impacts_ Table 3. Earth Mitigation Measures Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea The following mitigation measures shall apply to Mitigation measures shall be the same as the development throughout the Planned Action Planned Action Study Area, except that there are Study Area. - - no geologic hazard areas to avoid. Apply erosion -control best management practices (BMPs), as described in Appendix D of the City of Renton Amendments to the King County Surface Water Design Manual'. 1 City of Renton. 2010. City of Renton Amendments to the King County Surface Water Design Manual. February. Appendix D, Erosion and Sedimentation Control Standards. Planned Action Ordinance Attachment B: Mitigation Document ORDINANCE NO. 5610 Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea Limit development in geologic hazard areas and their buffers, or require rigorous engineered design to reduce the hazard, as currently codified. Planned Action applicants shall identify in their applications the source of earth material to be used in construction and shall consider earth material reuse and provide information to the City regarding why earth material reuse is not feasible if it is not proposed. The City may condition the planned action application to provide for earth material reuse where feasible. Nexus City of Renton Comprehensive Plan RMC 4-3-050 Critical Areas Regulations RMC 4-4-030 Development Guidelines and Regulations - General RMC 4-4-060 Grading, Excavation and Mining Regulations RMC 4-5-050 International Building Code RMC 4-6-030 Drainage (Surface Water) Standards 2. Air Quality Significant Impacts Table 4. Air Quality Significant Impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Dust from excavation and grading Same as Planned Action Study could cause temporary, localized Area increases in the ambient concentrations of fugitive dustand suspended particulate matter. Construction activities would likely require the use of diesel -powered, heavy trucks and smaller equipment such as generators and compressors. These engines would emit air pollutants that could slightly degrade local air quality in the immediate vicinity of the activity. Some construction activities could cause odors detectible to some Same as Planned Action Study Area Same as Planned Action Study Planned Action Ordinance Attachment e: Mitigation Document of Operations Emissions from Commercial Operations Emissions From Vehicle Travel ORDINANCE NO. 5610 Planned Action Study Area people in the vicinity of the activity, especially during paving operations using tar and asphalt Such odors would be short-term and localized. Construction equipment and material hauling could temporarily increase traffic flow on city streets adjacent to a construction area. If construction delays traffic enough to significantly reduce travel speeds in the area, general traffic -related emissions would increase. Stationary equipment, mechanical equipment, and trucks at loading docks at office and retail buildings could cause air pollution issues at adjacent residential property. However, new commercial facilities would be required to register their pollutant -emitting equipment and to use best available control technology to minimize emissions. Tailpipe emissions from vehicles would be the major source of air pollutant emissions associated with growth. The net increases in vehicle miles travelled (VMT) forecast as a result of Planned Action alternatives are inconsequentially small compared to the Puget Sound regional VMT and its implied impact on regional emissions and photochemical smog. This would not alter Puget Sound Regional Council's conclusion that future regional emissions will be less than the allowable emissions budgets of air quality maintenance plans. Potential Sunset Terrace Redevelopment Subarea Area Same as Planned Action Study Area Same as Planned Action Study Area The forecasted VMT from the subarea is only a small fraction of the Puget Sound regional totals. Future emissions from increased population and motor vehicles in the subarea would not cause significant regional air quality impacts. P3anned Action Ordinance Attachment B: Mitigation Document ORDINANCE NO. 5610 Indoor Air Toxics See Potential Sunset Terrace RHA development would be Redevelopment Subarea constructed according to local building codes that require adequate insulation and ventilation. Regardless, studies have shown that residents at lower-income developments often suffer higher rates of respiratory ailments than the general public. Therefore, the City and RHA will explore measures to improve indoor air uali beyond what is normally Planned Action Ordinance 10 Attachment R: mitigation Document Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Air Quality Attainment Land use density and population Same as Planned Action Study Status would increase in the Planned Area. Action Study Area; however, these increases represent only a small fraction of the Puget Sound regional totals. Furthermore, this alternative would not result in land use changes that include unusual industrial developments. Therefore, development in the Planned Action Study Area would not cause a substantial increase in air quality concentrations that would result in a change in air quality attainment status. Greenhouse Gas Emissions: Planned Action alternatives are Planned Action Alternatives Study Area and Subarea estimated to result in this would result in an estimated alternative would result in an 3,760 to 6,612 metric tons/year estimated 43,050 to 45,766 metric of GHG emissions. tons/year of greenhouse gas (GH G) emissions for the Planned Action Study Area. Outdoor Air Toxics The Planned Action Study Area is in Impacts on outdoor air toxics a mixed-use residential and would be similar to those commercial zone that does not described for the Planned Action include unusual sources of toxic air Study Area. pollutants. The major arterial street through the Planned Action Study Area (NE Sunset Boulevard) does not carry an unusually high percentage of heavy-duty truck traffic. Thus, the Planned Action Alternatives would not expose existing or future residents to disproportionately high concentrations of toxic air pollutants generated by local emission sources. Indoor Air Toxics See Potential Sunset Terrace RHA development would be Redevelopment Subarea constructed according to local building codes that require adequate insulation and ventilation. Regardless, studies have shown that residents at lower-income developments often suffer higher rates of respiratory ailments than the general public. Therefore, the City and RHA will explore measures to improve indoor air uali beyond what is normally Planned Action Ordinance 10 Attachment R: mitigation Document ORDINANCE NO. 5610 Type of Impact Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea achieved by simply complying with building codes. Indirect and Cumulative Greenhouse Gas Emissions: With the highest level of transit- With the highest level of transit - Subarea, Study Area, and oriented development in the study oriented development in the Region area of the studied alternatives, subarea of the alternatives Planned Action Alternatives would studied, Planned Action provide the greatest regional GHG Alternatives would provide the emission reductions, a net greatest reduction in regional reduction of 3,907-4,164 metric GHG emissions, a net reduction of tons/year, compared with the No 150-467 metric tans/year, Action Alternative studied in the compared with the No Action EIS. Alternative studied in the EIS. Unavoidable Adverse Impacts No significant unavoidable adverse impacts on regional or local air quality are anticipated. Temporary, localized dust and odor impacts could occur during the construction activities. The regulations and mitigation measures described below are adequate to mitigate any adverse impacts anticipated to occur as a result of study area growth increases. Mitigation Measures Table 5. Air Quality Mitigation Measures Planned Action Study Area Construction Emission Control The City shall require all construction contractors to implement air quality control plans for construction activities in the study area. The air quality control plans shall include BMPs to control fugitive dust and odors emitted by diesel construction equipment The following BMPs shall be used to control fugitive dust • Use water sprays or other non-toxic dust control methods on unpaved roadways. • Minimize vehicle speed while traveling on unpaved surfaces. • Prevent trackout of mud onto public streets. • Cover soil piles when practical. Minimize work during periods of high winds when practical. Potential Sunset Terrace Redevelopment Subarea In addition to the mitigation measures for air quality described under the Planned Action Study Area, the following mitigation measures apply: . Should the phases of the Potential Sunset Terrace Redevelopment Subarea occur concurrently rather than in a phased and sequential manner, the City and RHA will consider adding the Northeast Diesel Collaborative Diesel Emission Controls in Construction Projects - Model Contract Specifications or an equivalent approach as additional mitigation measures. e The City and RHA and other public or private applicants within the subarea should explore measures to improve indoor air quality beyond what is normally achieved by simply complying with building codes. For example, grant programs such as the Breath Easy Homes program could provide funding to foster construction methods that reduce dust. mold. 2 Northeast Diesel Collaborative. December 2010. Diesel Emission Controls in Construction Projects, Model Contract Specification. Available: <http://www.northeastdiesel.org/pdf/NEDC-Construction-Contract-Spec.pdf.> Accessed: March 14, 2011. Planned Action Ordinance 11 Attachment B: Mitigation Document ORDINANCE NO. 5610 Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea The following mitigation measures shall be used to minimize air quality and odor issues caused by tailpipe emissions. Maintain the engines of construction equipment according to manufacturers' specifications. Minimize idling of equipment while the equipment is not in use. Where feasible, Applicants shall schedule haul traffic during off-peak times (e.g., between 9:00 a.m. and 4:00 p.m_) to have the least effect on traffic and to minimize indirect increases in traffic. related emissions. This shall be determined as part of traffic control plans required in Section 14 of this mitigation document. Burning of slash or demolition debris shall not be permitted without express approval from Puget Sound Clean Air Agency (PSCAA). No slash burning is anticipated for any construction projects in the Planned Action Study Area. Greenhouse Gas Reduction Measures Please see text and Table 6.below. Greenhouse Gas Reduction Measures and air toxics concentrations in the homes, such as the following: o use of low -'SOC [volatile organic compounds] building materials and coatings, o enhanced building ventilation and room air filtration, and o installation of dust -free floor materials and low -pile carpeting to reduce dust buildup. Planned Action applicants for residential developments shall provide information regarding the feasibility and applicability of indoor air quality measures. The City may condition Planned Action applications to incorporate feasible indoor air quality measures. The City shall require development applicants to consider the reduction measures shown in Table 6 for their projects, and as part of their application explain what reduction measures are included and why other measures found in the table are not included or are not applicable. The City may condition Planned Action applications to incorporate feasible GHG reduction measures. Table 6. Potential Greenhouse Gas Reduction Measures Reduction Measures Comments Site Design Plant trees and vegetation near structures to shade buildings. Minimize building footprint Design water efficient landscaping. Minimize energy use through building orientation. Building Design and Operations Construct buildings according to City of Seattle energy code. Reduces on-site fuel combustion emissions and purchased electricity, and enhances carbon sinks. Reduces on-site fuel combustion emissions and purchased electricity consumption, materials used, maintenance, land disturbance, and direct construction emissions. Minimizes water consumption, purchased energy, and upstream emissions from water management Reduces on-site fuel combustion emissions and purchased electricity consumption. The City of Seattle code is more stringent than the current City of Renton building code. Planned Action ordinance 12 Attachment B: Mitigation Document ORDINANCE NO. 5610 Reduction Measures Comments Apply Leadership in Energy and Environmental Design CLEED) standards (or equivalent) for design and operations. Purchase Energy Star equipment and appliances for public agency use. Incorporate on-site renewable energy production, including installation of photovoltaic cells or other solar options. Reduces on-site fuel combustion emissions and off-site/indirect purchased electricity, water use, waste disposal. Reduces on-site fuel combustion emissions and purchased electricity consumption. Reduces on-site fuel combustion emissions and purchased electricity consumption. Design street lights to use energy-efficient bulbs Reduces purchased electricity, and fixtures. Construct "green roofs" and use high -albedo Reduces on-site fuel combustion emissions and roofing materials. purchased electricity consumption. Install high -efficiency heating, ventilation, and air- Minimizes fuel combustion and purchased conditioning (HVAC) systems. electricity consumption. Eliminate or reduce use of refrigerants in HVAC systems. Maximize interior day lighting through floor plates, increased building perimeter and use of skylights, celestories, and light wells. Incorporate energy efficiency technology such as super insulation motion sensors for lighting and climate -control -efficient, directed exterior lighting. Use water -conserving fixtures that surpass building code requirements. Reduces fugitive emissions. Compare refrigerant usage before/after to determine GHG reduction. Increases natural/day lighting initiatives and reduces purchased electrical energy consumption. Reduces fuel combustion and purchased electricity consumption. Reduces water consumption. Reuse gray water and/or collect and reuse Reduces water consumption with its indirect rainwater. upstream electricity requirements. Use recycled building materials and products. Reduces extraction of purchased materials, possibly reduces transportation of materials, encourages recycling and reduction of solid waste disposal. Use building materials that are extracted and/or manufactured within the region. Use rapidly renewable building materials. Conduct third -party building commissioning to ensure energy performance. Reduces transportation of purchased materials. Reduces emissions from extraction of purchased materials. Reduces fuel combustion and purchased electricity consumption_ Track energy performance of building and develop Reduces fuel combustion and purchased strategy to maintain efficiency. electricity consumption. Transportation Size parking capacity to not exceed local parking Reduced parking discourages auto -dependent requirements and, where possible, seek reductions travel, encouraging alternative modes such as in parking supply through special permits or transit, walking, and biking. Reduces direct and waivers. indirect VMT. Develop and implement a marketing/information Reduces direct and indirect VMT. program that includes posting and distribution of ridesharing/transit information. Planned Action ordinance i3 Attachment 8: Mitigation Document ORDINANCE NO. 5610 Reduction Measures Comments Subsidize transit passes. Reduce employee trips Reduces employee VMT. during peak periods through alternative work schedules, telecommuting, and/or flex time. Provide a guaranteed -ride -home program. Provide bicycle storage and showers/changing Reduces employee VMT. rooms. Use traffic signalization and coordination to Reduces transportation emissions and VMT. improve traffic flow and support pedestrian and bicycle safety. Apply advanced technology systems and Reduces emissions from transportation by management strategies to improve operational minimizing idling and maximizing efficiency of local streets. transportation routes/systems for fuel efficiency. Develop shuttle systems around business district Reduces idling fuel emissions and direct and parking garages to reduce congestion and create indirect VMT. shorter commutes. Source; Washington State Department of Ecology 2008b VMT = vehicle miles travelled. Nexus City of Renton Comprehensive Plan RMC 4-4-030 Development Guidelines and Regulations — General RMC 4-4-060 Grading, Excavation and Mining Regulations 3. Water Resources Significant Impacts Table 7. Water Resources Significant Impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Construction impacts on water Same as Planned Action Study Area resources would be addressed through compliance with Core Requirement #S for Erosion and Sediment Control in the Renton Stormwater Manual and compliance with Ecology's NPDES Construction Stormwater General Permit, if the project results in 1 acre or more of land -disturbing activity. Also see Section 1, Earth, above_ Planned Action Ordinance 14 Attachment 9" Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of impact Planned Action Study Area Redevelopment Subarea Operations Water Quality and Land Cover Indirect and Cumulative Implementation of the green connections and the NE Sunset Boulevard reconstruction project is estimated to result in a net reduction of approximately 14.7-15.7 acres of untreated pollution - generating impervious area and approximately 3.1-6.6 acres of effective impervious area. Exclusive of the Sunset Terrace Redevelopment Subarea the net change in pollutant generating surfaces is approximately 40-42 acres reduction. Exclusive of the Sunset Terrace Redevelopment Subarea, the net change in effective impervious area would be an increase a f approximately 1.3 acres (0.8%) to 4.24 (2.6%) from existing conditions. Considering the reduction in the Potential Sunset Terrace Redevelopment Subarea as wil as the overall Planned Action Study Area, the net change in effective impervious area would be smaller at 0.75-3.17. The operations analysis above presents cumulative impacts in terms of total impervious surfaces and potential water quantity and quality impacts, as well as indirect impacts on receiving water bodies outside of the study area. The Planned Action Alternatives would implement a drainage master plan and mitigation would be provided in advance through the self -mitigating public stormwater infrastructure features including a combination of green connections, regional stormwater flow control, and possible public-private partnership opportunities for retrofits. All untreated pollution -generating impervious surfaces within the subarea would be eliminated, resulting in a reduction of 1.83 acres of untreated pollution -generating surface from the Johns Creek Basin. The estimated change in effective impervious area would result in a decrease of approximately 0.51 acre (11%) to 1.07 acres (23%) compared to existing conditions. Same as the Planned Action Study area. In particular, the City proposes to construct a regional stormwater facility that would be designed to maintain active and open recreation space allowing water to be treated within a series of distributed of small integrated rain gardens along the edge of the proposed Sunset Terrace Park and connecting the subsurface to an underground infiltration bed beneath open space_ This will mitigate impacts in the subarea as well as portions of the larger Planned Action Study Area. Planned Action Ordinance 15 Attachment B: Mitigation Document ORDINANCE N0. 5610 Unavoidable Adverse Impacts None of the alternatives would have significant unavoidable adverse impacts on water resources, because the redevelopment would likely result in an improvement of runoff and recharge water quality. In addition, the net change in effective impervious area can be adequately mitigated through the self -mitigating features of the Planned Action alternatives and through implementation of the stormwater code, as described below. Mitigation Measures All of the alternatives would involve redevelopment and reduction of existing pollution -generating impervious surfaces in the Planned Action Study Area. In addition, per the requirements of the stormwater code, the redeveloped properties would be required to provide water quality treatment for all remaining pollution -generating impervious surfaces. The net reduction in untreated pollution -generating impervious surfaces throughout the study area is, therefore, considered to result in a net benefit to surface water quality. Each of the alternatives would result in a slight increase in the effective impervious area of the Planned Action Study Area. Self mitigating features of the Planned Action Alternatives are listed below: • [ander Alternative 3, mitigation would be provided in advance or incrementally through the self- mitigating elfmitigating public stormwater infrastructure features including a combination of green connections, regional stormwater Dow control, and possible public-private partnership opportunities for retrofits. Conceptual design and planning of the public stormwater infrastructure would be developed under a drainage master plan for the Study Area. It could be developed in advance of (likely through grants or city funds) or incrementally as development occurs depending on opportunity costs of constructing the improvements. The extent and form of the public infrastructure projects would be refined through the drainage master plan development and further design. The goal under Alternative 3 would be to provide sufficient advance public infrastructure improvements to balance the anticipated increase in effective impervious area. This strategy would only require that future developments implement flow - control BMPs, but could eliminate on-site flow control through a development fee or similar funding structure to compensate for the off-site mitigation provided by the public infrastructure investment. The Preferred Alternative mitigation would be similar to Alternative 3. Harrington Avenue NE, including portions of NE 16th and NE 9th streets, has been identified as a high priority Green Connection project. This corridor would be enhanced by narrowing through -traffic lanes to calm traffic, create wide planter areas to accommodate large trees and rain gardens to mitigate stormwater runoff, and create wider sidewalks. This project would be implemented as a public infrastructure retrofit project pending available funds. The remaining green connections projects would likely be implemented as revised roadway standards to require incremental redevelopment of the frontage as redevelopment occurs (constructed either by future developers or the City, depending on availability of funds). In addition to the Green Connections projects, the City will implement regional detention/retention improvements to provide advance mitigation for future increases in impervious area that could result from redevelopment Locations of the regional facilities would include the western margin of the newly created park at Sunset Terrace and/or the northern corner of Highlands Park [beyond the outfield of the existing baseball/softball field), A drainage master plan will be developed for the Preferred Alternative. Planned Action ordinance 16 Attachment B: MMgation Document ORDINANCE NO. SG10 Planned Actions shall implement the City's adopted Sunset Area Surface Water Master Plan, and associated street frontage improvements, and be consistent with the City stormwater regulations in effect at the time of application. Planned Action applicants shall also demonstrate compliance with RMC 4-1-180 Charges for Equitable Share of Public Works Facilities. Nexus City of Renton Comprehensive Plan RMC 4-3-050 Critical Areas Regulations RMC 4-4-030 Development Guidelines and Regulations — GeneraI RMC 4-6-030 Drainage (Surface Water) Standards RMC 4-6-060 Street Standards 4. Plants and Animals Significant Impacts Table 8. Plants and Animals Significant Impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Individual redevelopment Same as Planned Action Study Area projects would result in short- term loss of vegetation cover, along with noise and activity levels that would result in little or no use of the construction areas by wildlife during the period of construction. Redevelopment actions would be required to comply, during construction, with City regulations requiring temporary erosion and sedimentation controls to prevent water quality impacts from work site stormwater runoff. Operations Redevelopment activities that Same as Planned Action Study Area would be facilitated under the planned action ordinance would have a limited effect on plant or wildlife habitat in the Planned Action Study Area. New development being designed as Low Impact Development (LID) is likely to result in a measurable decline in total vegetated area, accompanied by a measurable improvement in Planned Action Ordinance 17 Attachment B: Mitigation Document ORDINANCE NO. 5610 Type of Impact Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea plant diversity and quality of the remaining habitat Green connections and urban forestry plans offset to some degree by greater redevelopment, the net result is likely to be a reduction in habitat connectivity and a decline in total vegetated area, albeit with some improvement in plant diversity and quality of the remaining habitat Largely due to the absence of impacts on special -status species, effects on wildlife would be less than significant Indirect Planned Action Alternatives Same as Planned Action Study Area would result in an indirect impact on plants and wildlife by contributing to a substantial increase in the human population within the area. This can be expected to result in effects such as increased wildlife mortality due to road kill and predation by pets, and reduced wildlife diversity due to increases in opportunistic species such as starlings, crows, and rats. These indirect impacts can be expected to result in reduced numbers, vigor, and diversity of plant and wildlife species. The stormwater commitments incorporated in Planned Action Alternatives would be sufficient to avoid substantial impacts on aquatic habitats and fish. Cumulative No impact No impact Unavoidable Adverse Impacts No significant unavoidable adverse impacts would occur for plants and animals under any alternative. Mitigation Measures With implementation of proposed stormwater features or standards, no mitigation is required. Planned Action ordinance 18 Attachment 6: Mitigation Document ORDINANCE NO. 561D Nexus City of Renton Comprehensive Plan RMC 4-6-030 Drainage (Surface Water) Standards RMC 4-3-050 Critical Areas Regulations RMC 4-4-030 Development Guidelines and Regulations — General RMC 4-4-130 Tree Retention and Land Clearing Regulations 5. Energy Significant Impacts Table 9. Energy Significant Impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction During construction, energy would be consumed by demolition and reconstruction activities. These activities would include the manufacture of construction materials, transport of construction materials to and from the construction site, and operation of machinery during demolition and construction. Operations Energy Usage: Study Area The annual energy usage is and Subarea estimated at 255,845 to 275,529 million British thermal units (Btu). Indirect and Cumulative Energy Usage: Subarea, With high levels of transit - Study Area, and Region oriented and high-density development the Planned Action Alternatives would provide the greatest estimated regional energy usage reduction for the study area compared to the No Action Alternative: 26,383 to 29,194 million Btu. Unavoidable Adverse Impacts Same as Planned Action Study Area The annual energy usage is estimated at 21,338 to 43,654 million British thermal units (Btu). With high levels of transit -oriented and high-density development the Planned Action Alternatives would provide the greatest estimated regional energy usage reduction for the subarea compared to the No Action Alternative: 1,145 to 3,624 million Btu. Additional energy would be consumed and would contribute to increases in demand associated with the growth and development of the region. As described in the Utilities Element of the City Comprehensive Plan, it is anticipated that existing and planned infrastructure of affected energy utilities could accommodate growth. Energy conservation features would be incorporated into Planned Action Ordinance 19 Attachment B: Mitigation Document ORDINANCE NO. 5510 building design as required by the current City building codes. For the Potential Sunset Terrace Redevelopment Subarea, HUD encourages public housing authorities such as RHA to use Energy Star, renewable energy, and green construction practices in public housing. As such, no significant unavoidable adverse impacts on energy use are anticipated. Planned Action Ordinance 20 Attachment B: Mttigation Document ORDINANCE NO. 5610 Mitigation Measures Table 10. Energy Mitigation Measures Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea Although the growth and development would In addition to the mitigation measures described for result in increased energy demand in the the Planned Action Study Area, according to the King Planned Action Study Area under all of the County proposed GHG reduction regulation, energy alternatives, expanding the beneficial transit- reductions can be provided with the implementation oriented development and high-density of the following basic requirements of the American housing development within the study area Society of Heating, Refrigerating and Air -Conditioning would reduce regional energy usage. Engineers Advanced Buildings Core Performance Guide Therefore, all alternatives would provide a for residential and non-residential building in the net benefit rather than adverse impact with subarea: regards to energy usage. However, to further reduce energy consumption, the City shall 30% energy reduction for residential dwelling encourage future developers to implement that are 50% of average size; and 15% energy additional trip -reduction measures and reduction for residential dwelling that are 7S% of energy conservation measures. For example, average size; and energy and GHG reductions can be achieved . 12% energy reduction for office, school, retail, through implementation of the following and public assembly buildings that are smaller energy conservation techniques or equivalent than 100,000 square feet in floor area. approaches. An energy reduction of 12% can be achieved by implementing sufficient strategies established by the Northwest Energy Star Homes program for multifamily residential buildings. The Northwest ENERGY STAR Homes program (U.S. Environmental Protection Agency 2010) is designed to help builders construct energy-efficient homes in Washington, Oregon, Idaho, and Montana to meet energy -efficiency guidelines set forth by the EPA. An energy. reduction of 10% would comply with Seattle Energy Code for non- residential buildings. See also Air Quality mitigation measures. The City shall require development applicants to consider trip -reduction measures and energy conservation, and as part of their application explain what reduction measures are included and which ones are not included (based on that are part of Table 6 or Table 10). The City may condition Planned Action applications to incorporate feasible trip reduction and energy conservation measures. Nexus City of Renton Comprehensive Plan Planned Action Ordinance 21 Attachment B: Mitigation Document ORDINANCE NO. 5610 RMC 4-5-051 Washington State Energy Code Adopted 6. Noise Significant Impacts Table 11. Noise Significant Impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Development in the study area would require demolition and construction activity, which would temporarily increase noise levels at residences close to the development site. This type of activity could cause annoyance and speech interference at outdoor locations adjacent to the construction sites, and could cause discernible noise. Operations Noise from New Commercial Operations Indirect and Cumulative Noise from Increased Traffic: Proposal with Future Traffic Levels Unless properly controlled, mechanical equipment (e.g., rooftop air conditioning units) and trucks at loading docks of office and retail buildings in the study area could cause ambient noise levels at nearby residential housing units to exceed the City noise ordinance limits. For most residents adjacent to roadways in the study area, increased traffic would result in the greatest increase in ambient noise levels, caused by moving traffic and vehicles idling at intersections. Development would result in noise increase from vehicles traveling on NE Sunset Boulevard and local streets. Same as Planned Action Study Area Same as Planned Action Study Area Development would result in noise increase from vehicles traveling on NE Sunset Boulevard and local streets The estimated day -night noise levels from NE Sunset Boulevard at the adjacent buildings indicates they would be exposed to "normally unacceptable" noise levels exceeding U.S. Department of Housing and Urban Development's (HUD's) outdoor day -night noise criterion of 6S dBA. The noise levels at these first row residential dwellings currently exceed the HUD noise criterion and would continue to exceed Planned Action Ordinance 22 Attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea the criterion under Planned Action Alternatives. Unavoidable Adverse Impacts No significant unavoidable adverse construction or operational traffic noise impacts are anticipated in the Planned Action Study Area with the implementation of mitigation measures noted below. No significant unavoidable adverse traffic noise impacts are anticipated at residences along NE Sunset Boulevard in the Planned Action Study Area per WSDOT criteria, because the noise increase caused by NE Sunset Boulevard traffic is less than the WSDOT "substantial increase" impact threshold. Portions of the Potential Sunset Terrace Redevelopment Subarea, even under existing conditions and the No Action Alternative, would be deemed normally unacceptable under the HUD noise criteria without implementation of noise attenuation mitigation, due to traffic noise from the adjacent street CNE Sunset Boulevard]. No significant unavoidable adverse noise impacts are anticipated in this subarea, if the noise control measures noted below are implemented to reduce anticipated future traffic noise to levels suitable for residential uses under the HUD criteria. Mitigation Measures Table 12. Noise Mitigation Measures Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea Construction Noise Mitigation measures described in the Planned To reduce construction noise at nearby Action Study Area would also apply to this receivers, the following mitigation measures subarea. shall be incorporated by Planned Action Site design approaches shall be incorporated to applicants into construction plans and reduce potential noise impacts including the contractor specifications. following. • Locate stationary equipment away from receiving properties. • Erect portable noise barriers around loud stationary equipment located near sensitive receivers. • Limit construction activities to between 7:00 a.m. and 10:00 p.m. to avoid sensitive nighttime hours. • Turn off idling construction equipment Require contractors to rigorously maintain all equipment Train construction crews to avoid unnecessarily loud actions (e.g., dropping bundles of rebar onto the ground or dragging steel plates across pavement) near noise -sensitive areas_ • Concentrating park and open space uses are away From NE Sunset Boulevard. Where park and open space uses must be located near NE Sunset Boulevard, avoiding activities that require easily understood conversation (e.g., instructional classes), or other uses where quiet conditions are required for the primary function of the activity. Allowing for balconies on exterior facing units only if they do not open to a bedroom. According to HUD noise guidebook, noise attenuation from various building materials are calculated using sound transmission class (STC) rating. Although the standard construction approaches can normally achieve the STC raring of more than 24 dBA as demonstrated in Final EIS A endix E the Ci shall re uire a STC roti. f New Commercial Operation Norse pp I ty q g o The qty shall require all prospective future 30 dBA reduction for these first row residential Planned Action Ordinance 23 Attachment 6: Mitigation Document ORDINANCE N0. 5610 Planned Action Study Area developers to use low -noise mechanical equipment adequate to ensure compliance with the City's daytime and nighttime noise ordinance limits where commercial uses are abutting residential uses and where there is a potential to exceed noise ordinance limits_ Depending on the nature of the proposed development, the City shall require the developer to conduct a noise impact study to forecast future noise levels and to specify appropriate noise control measures. Compliance with the noise ordinance would ensure this potential impact would not be significant Traffic Noise Mitigation Although traffic noise is exempt from City noise ordinance, based on site-specific considerations, the City may at its discretion require the new development to install double -pane glass windows or otber building insulation measures using its authority under the Washington State Energy Code (RMC 4-S-040). Nexus Potential Sunset Terrace Redevelopment Subarea dwellings because the HUD noise guidebook shows that the sound reduction achieved by different techniques may be a little aptimistic3. . City of Renton Comprehensive Plan RMC 4-4-030 Development Guidelines and Regulations - General RMC 4-4-060 Grading, Excavation and Mining Regulations RMC Title S Chapter 7 Noise Level Regulations 7. Environmental Health Significant Impacts Table 13. Environmental Health Impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Potential construction impacts Existing subsurface include releasing existing contaminations have not been contaminants to the environment identified on the redevelopable by ground -disturbing or properties and, therefore, are not dewatering activities, expected to be encountered encountering underground during construction. Hazardous storage tanks (USTs) or leaking building materials such as lead- USTs, generating hazardous based paint and asbestos - building materials that require containing materials (ACMs) 3 HUD noise guidebook, Chapter 4, page 33"... use the STC ratings with a bit of caution and remain aware of the possible 2-3 dB overstating thatyou may getwith the STC rating system." Planned Action Ordinance 24 Attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea special disposal, and accidentally releasing hazardous substances. Operations If development occurs on contaminated sites, where appropriate clean-up measures were not completed or residual contaminations were present, then there is a potential risk to public health for people using the site. Indirect No impact Cumulative No impact Unavoidable Adverse Impacts could be generated from demolition of the existing Sunset Terrace buildings. If there are lead-based paints orACMs atthe complex, appropriate permits and precautions would be required. Accidental release of hazardous substances during construction could still occur as in all construction projects. No impact No impact No impact No significant unavoidable adverse impacts are identified at the programmatic level throughout the Planned Study Area or for the Sunset Terrace Redevelopment Subarea for any of the studied alternatives. Contaminated sites would be avoided during project design when possible; implementing the mitigation approaches described below would minimize or eliminate adverse effects on human health and the environment.. Mitigation Measures Table 14. Environmental Health Mitigation Measures Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea Since encountering unreported spills or unreported underground fuel tanks is a risk when performing construction, contractors shall be required to provide hazardous materials awareness training to all grading and excavation crews on how to identify any suspected contaminated soil or groundwater, and how to alert supervisors in the event of suspected contaminated material. Signs of potential contaminated soil include stained soil, odors, oily sheen, or the presence of debris. Contractors shall be required to implement a contingency plan to identify, segregate, and dispose of hazardous waste in full The construction and operation mitigation measures identified for the Planned Action Study Area are applicable to the subarea. Planned Action ordinance 25 Attachment B: Mitigation Document ORDINANCE NO. 5610 Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea accordance with the Model Toxics Control Act (MTCA)(WAC 173-340) and the Dangerous Waste (WAC 173-303) regulations. • Contractors shall be required to develop and implement the Stormwater Pollution Prevention Plan, BMPs, and other permit conditions to minimize the potential for a release of hazardous materials to soil, groundwater, or surface water during construction. • Contractors shall be required to follow careful construction practices to protect against hazardous materials spills from routine equipment operation during construction; prepare and maintain a current spill prevention, control, and countermeasure plan, and have an individual on site designated as an emergency coordinator; and understand and use proper hazardous materials storage and handling procedures and emergency procedures, including proper spill notification and response requirements. All asbestos -containing materials (ACM) and lead-based paint will be identified in structures prior to demolition activities in accordance with 24 CFR Part 35. If ACM or lead-based paint is identified, appropriately trained and licensed personnel will contain, remove, and properly dispose of the ACM and/or lead-based paint material according to federal and state regulations prior to demolition of the affected area_ If warranted, contractors shall conduct additional studies to locate undocumented underground storage tank (USTs) and fuel lines before construction of specific development projects (areas of concern include current and former commercial and residential structures) and will permanently decommission and properly remove USTs from project sites before commencing general construction activities. Prior to acquisition of known or potentially contaminated property, the City shall require appropriate due diligence be performed to identify the presence and extent of soil or groundwater Planned Action Ordinance 26 Attachment s: mitigation Document ORDINANCE NO. 5610 Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea contamination. This can help to prevent or manage liabilities for any long-term clean- up activities that might be ongoing during project operations. If contamination is discovered, the project proponent will comply with all state and federal regulations for contaminated sites. Nexus City of Renton Comprehensive Plan RMC 4-4-030 Development Guidelines and Regulations — General RMC Title 4 Chapter 5 Building and Fire Prevention Standards S. land Use Significant Impacts Table 15. Land Use Impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction The incremental nature of Same as Planned Action Study development over the planning Area period would minimize the number of nearby residents exposed to temporary construction impacts including dust emissions, noise, construction traffic, and sporadic interference with access to adjacent residences and businesses. Operations Land Use Patterns Planned Action Alternatives would provide more than 2,300 to 2,500 dwelling units and 1.2 to 1.3 million square feet of commercial space compared to existing conditions. Redevelopment would provide more commercial development than residential development. This alternative would also provide more than two times as many residential dwellings as currently exist in the study area. Planned Action Alternatives would provide about 266-479 more dwelling units than existing conditions in a mixed-use development that integrates commercial and civic spaces. Plans and Policies Planned Action Alternatives Planned Action Alternatives provide the greatest degree of provide the greatest degree of Planned Action Ordinance 27 attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Indirect and Cumulative consistency among the alternatives with the City Comprehensive Plan goals, objectives, and policies by implementing the development types envisioned in the City's land use and zoning designations within the study area. Anticipated growth would help the City meet its 2031 housing and employment targets. Public investments would need to be accounted for in amendments to the City's Transportation and Capital Facilities elements. No indirect or cumulative land use impacts are anticipated outside the study area. The City applies its policies and development regulations to create a planned land use pattern. Density is most intense at the center of the study area and least along its boundaries with single- family residential land use patterns; it is unlikely to alter patterns or plans along the edges of the study area. The City will, as part of its regular comprehensive plan review and amendment updates, control the monitoring, evaluation, and amendment process. Unavoidable Adverse Impacts consistency with the City's land use element goals and policies of all alternatives by promoting the redevelopment of the Sunset Terrace public housing community. It also does more than other alternatives to develop the Center Village. Development in the subarea under this alternative has a similar consistency as the study area for other City goals and policies, providing a greater degree of consistency with those goals and policies than other alternatives. Redevelopment of the subarea under this alternative would serve as an incentive for other redevelopment opportunities near the study area. Although intensification of land uses in the Planned Action Study Area, including the Potential Sunset Terrace Redevelopment Subarea, would occur and density would increase, this change would be consistent with applicable plans, zoning, and land use character. Plan consistency can be addressed by Comprehensive Plan amendments using the City's legislative process. Therefore, there would be no significant adverse impacts. Mitigation Measures Table 16. Land Use Mitigation Measures Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea Under all alternatives, the City shall require Construction mitigation would be the same as planned action applicants to implement described under the Planned Action Study Area. appropriate construction mitigation measures, The City and RHA should coordinate on future including but not limited to dust control and Planned Action Ordinance 28 Attachment B: Mitigation Document ORDINANCE NO. 5610 Planned Action Study Area construction traffic management The City should make efforts to minimize property acquisition that affects buildings as part of its refinement of study area streetscape designs while balancing Complete Streets principles. As part of the Planned Action Ordinance adoption process, the City should amend its Comprehensive Plan's Transportation and Capital Facilities elements to ensure that planned public investments and their funding sources are accounted for and programmed. Nexus City of Renton Comprehensive Pian Potential Sunset Terrace Redevelopment Subarea Sunset Terrace redevelopment and Planned Action Study Area streetscape improvements to ensure that property acquisition that affects buildings is minimized. The City shall require construction plans to: • Locate the majority of the most intensive non-residential development along or near NE Sunset Boulevard, where possible. • Implement proposed open space and landscape features to offset the proposed intensification of land uses on the site. Provide new opportunities for public open space area. As part of site design, emphasize transitions in density, with less intense densities where abutting lower -intensity zones. RMC Title 4 Chapter 2 Zoning Districts - Uses and Standards 9. Socioeconomics Significant Impacts Table 17. Socioeconomics Impacts Planned action Ordinance 29 attachment B: Mitigation Document Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Construction activities could The demolition of the Sunset temporarily increase congestion Terrace complex to allow for the and reduce parking, local access subarea redevelopment would for businesses and residents, and require the relocation of the access near the construction tenants. activities, which could negatively Moreover, the relocation of the affect businesses; however, tenants could affect some local businesses located close to businesses during construction, if construction activities could the tenants are relocated outside experience an increase in revenue of the immediate area; however, from spending by construction since the total number of workers. relocations represents a small portion of the overall population any impact would likely be small in scale. Operations The higher number of dwelling The Planned Action Alternatives units and jobs would result in would increase dwelling units and greater intensities in development jobs by 266-474 net dwelling Planned action Ordinance 29 attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Indirect Cumulative and economic benefits. Improvements in the streetscape along NE Sunset Boulevard and the other civic and infrastructure improvements would make the study area more desirable to investment, which could lead to additional opportunities for employment as more businesses are attracted to the study area. The facilities that would be added under Alternative 3 include a family village and a wider reconstruction of NE Sunset Boulevard. The family village would include housing, education, recreation, and supportive services that would be designed to promote a healthy and walkable neighborhood. Construction spending would result in positive indirect effects on the economic elements of employment and income in the study area and the regional economy as businesses that support the construction effort would likely see increased spending. The additional public and private investment and associated economic benefits would be greater due to the increased spending. Cumulative effects would be positive with the addition of new development that would continue to enhance the area and continue to improve the neighborhood vitality. Unavoidable Adverse Impacts units and 79- 117 jobs. The subarea would be developed with new park, street, and civic improvements that would promote a healthy and walkable neighborhood. Increased spending is anticipated with the mixture of affordable and market -rate units, which would result in positive impacts on the businesses in the area as well as local tax revenues. As the area changes and new housing is provided, no existing public units would be lost and improvements in the neighborhood would likely continue as new developments are constructed. No long-term significant unavoidable adverse impacts are anticipated. Planned Action alternatives would encourage new development in the both the Planned Action Study Area and the Potential Sunset Terrace Redevelopment Subarea that would result in beneficial changes to the socioeconomic conditions. Under Planned Action Alternatives, relocation of the tenants of the Sunset Terrace complex would result in short-term impacts; however, these impacts would be mitigated. The creation of new jobs Planned Action Ordinance 30 Attachment 8: Mitigation Document ORDWANCE NO. 5610 and spending in the subarea during construction of new developments would result in short-term benefits. Mitigation Measures Table 18. Socioeconomics Mitigation Measures Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea Mitigation measures to minimize dust noise, In addition to mitigation measures described for aesthetics, and transportation impacts during the Planned Action Study Area, the following construction are identified in Sections 2, 6, 12, mitigation measures apply: and 14, respectively, of this Mitigation Document. . Public housing tenants shall be provided These measures would address many of the relocation assistance under the Uniform construction -related impacts that could Relocation Act negatively affect the study area businesses. e RHA should consider phased demolition and In addition, with the reconstruction of NE Sunset reconstruction to minimize the need to relocate Boulevard, or with any new development, if all the residents at the same time, or the new access to businesses is affected, the following affordable housing development could be measures should be addressed by the City or constructed prior to demolition to provide WSDOT: opportunities to relocate tenants within the Provide detour, open for business, and other subarea. signage, as appropriate. Provide business cleaning services on a case- by-case basis, as needed. Establish promotions or marketing measures to help affected businesses maintain their customer base during construction. Maintain access, as much as possible, to each business and, if access needs to be limited, coordinate with the affected businesses. Mitigation measures to address indirect impacts on housing affordability are addressed in Section 10 of this Mitigation Document Nexus City of Renton Comprehensive Plan 10. Housing Significant Impacts Table 19. Housing impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Construction of commercial, Construction of residential and residential, and civic uses in the civic uses would create temporary study area would create noise, dust, and construction temporaa noise, dust, and traffic, which would affect Planned Action Ordinance 31 Attachment B: Mitigation Document Type of Impact Operations Indirect Cumulative ORDINANCE NO. 5610 Planned Action Study Area construction traffic, which would affect current residents. The Planned Action Alternatives assume 40% of the study area acreage would infill or redevelop. This would result in the greatest number of dwellings replaced at 299. The Planned Action Alternatives would add up to approximately 2,339 to 2,507 new dwellings. In the study area there is a potential for additional market rate dwellings as well as affordable and public dwellings. Most new units would be multifamily_ Increased housing could increase local resident spending at businesses in the study area, and could also create an increased demand for parks and recreation, public services, and utilities. Growth in the study area would be consistent with the City's Comprehensive Plan and would contribute to meeting growth targets for the City's next Comprehensive Plan Update for the year 2031. Unavoidable Adverse Impacts Potential Sunset Terrace Redevelopment Subarea adjacent residents to the subject properties. In this subarea, 110 public housing and duplex dwellings would be eliminated. There would be a 1:1 replacement of public housing units on site and in the Planned Action Study Area. The number of units added would be 266-479 above existing dwellings, for a total of 376-589 units. About three quarters of the units would be affordable or public, and another approximate quarter would be market -rate dwelling units. The potential for residents to help support local businesses as well as to create a demand for services is similar to the Planned Action Study Area. The support of the new dwellings to assist the City in meeting growth targets is similar to the Planned Action Study Area. Housing in the Planned Action Study Area would likely redevelop to some degree to take advantage of adopted plans and zoning. However, the alternatives would allow for the construction of new dwelling units to replace those that are eliminated. Lower-cost housing could be replaced with more costly housing. Implementation of City regulatory incentives and use of federal, state, and local housing funds and programs could reduce potential affordability impacts. Through its regular Comprehensive Plan review cycles, the City could monitor housing trends in the neighborhood and adapt measures to promote affordability. During construction and in the short-term, residents would be subject to construction activities and the tenants of the Sunset Terrace complex would be required to relocate during demolition and construction. However, relocation assistance mitigation measures for RHA units would mitigate impacts. Planned Action Ordinance 32 Attachment H: Mitigation Document ORDINANCE NO. 5610 Mitigation Measures Table 20. Housing Mitigation Measures Planned Action Study Area Renton Municipal Code (RMC) 4-4-030(C) identifies construction hours intended to address noise in sensitive time periods. See Section 6, Noise, of this Mitigation Document regarding other noise mitigation measures for construction periods. When federal funds are being used for a proposal, displaced tenants shall be offered relocation assistance in compliance with the Uniform Relocation Assistance and Real Property Acquisitions Policies Act of 1970, as amended. The City and RHA should apply for federal, state, and local funding programs described in Draft EIS Section 3.10, Housing, to promote new housing opportunities for low and very low-income housing. RHA should establish a local preference for rental assistance. For example, RHA could establish a priority list for Section 8 vouchers for displaced low-income tenants in the Planned Action Study Area (in addition to the relocation assistance to be provided by RHA to the Sunset Terrace residents). Unit replacement and relocation assistance for the family village would be the same as described for the Potential Sunset Terrace Redevelopment Subarea_ Nexus City of Renton Comprehensive Plan Potential Sunset Terrace Redevelopment Subarea Construction mitigation would be as described for the Planned Action Study Area. RHA has committed to replacement housing for the Sunset Terrace public housing units at a 1:1 ratio, consistent with the existing proportion of units by number of bedrooms. Such replacement housing could occur on site and/or off site. During the time replacement housing is under construction, Section 8 vouchers, or equivalent measures, shall be used to relocate tenants. RMC Title 4 Chapter 2 Zoning Districts - Uses and Standards RMC 4-4-030 Development Guidelines and Regulations - General 11. Environmental Justice Significant Impacts Table 21. Environmental Justice Impacts Potential Sunset Terrace Type of impact Planned Action Study Area Redevelopment Subarea Construction Residents near construction The demolition of the Sunset activities would likely be affected Terrace complex and construction by temporary noise, dust, and of the proposed conceptual plans visual impacts due to would require the relocation of Planned Action Ordinance 33 Attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Operations Indirect Cumulative construction; these impacts would be short-term in nature. The population of the study area is predominately non -minority and non -]ow -income and any negative impacts would likely occur on these populations to a greater degree than the minority and low- income populations. Residential, commercial, and recreational development and civic and infrastructure improvements under Planned Action Alternatives would improve the overall neighborhood, making it a more cohesive and desirable place to live for all populations in the community, including minority and low-income populations. The family village would be beneficial for all populations in the Planned Action Study Area, but these benefits could accrue to a greater degree for minority and low-income populations due to the close proximity, especially for those without access to a vehicle. The introduction of new retail and commercial space within the study area would increase employment opportunities. These opportunities would benefit all study area populations, but could benefit minority and low-income populations to a greater degree. The Planned Action Alternatives would increase the variety of residential unit types and affordability levels would reduce the concentration of low-income households in the subarea, and thereby reduce or eliminate some of the social consequences of such concentrations. Cumulative impacts would primarily be beneficial. As the area continues to redevelop with new investments, public and private, it would become more desirable for the residents and the tenants of the Sunset Terrace complex likely through Section 8 vouchers. Because the tenants are low-income and predominately minority, this would constitute a greater impact on these populations than other populations. Planned Action Alternatives would have a number of beneficial effects on minority and low- income populations in.the subarea, including the redevelopment of the existing dwelling units, construction of additional units, transportation improvements, and the addition of other community facilities (i.e., senior day health, library, parks). These changes would result in improvements to public health and to the aesthetics of the area. These would all improve community cohesion for subarea residents. Housing types and affordability would be more varied. New retail and commercial space wand provide new employment opportunities could be seen as more beneficial to subarea residents who may be unemployed or not have a their own vehicle and would, therefore, benefit more from the proximity. Adverse impacts are not anticipated. New dwelling units would be affordable, public, and market -rate units. The beneficial cumulative impacts identified under the Planned Action Studv Planned Action Ordinance 34 Attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Ptanned Action Study Area Redevelopment Subarea would continue to create new Area would be similar. jobs. The new development and addition of more market -rate units could cause the study area to become less affordable to lower-income populations, which could result in these populations needing to relocate outside of the study area. Unavoidable Adverse Impacts There are no long-term significant unavoidable adverse impacts related to environmental justice. The Planned Action alternatives would result in primarily beneficial impacts associated with new dwelling units, new civic facilities and parks, improvements in nonmotorized transportation, and new employment opportunities in the surrounding area. During construction and in the short-term residents would be subject to construction activities and the tenants of the Sunset Terrace complex would be required to relocate during demolition and construction. However, construction mitigation and relocation assistance mitigation measures (for the RHA units) would minimize impacts. Mitigation Measures Table 22. Environmental Justice Mitigation Measures Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea There are no specific mitigation measures related Mitigation measures during construction include to environmental justice during construction or the need for replacement housing for the operation. During construction, mitigation residents of Sunset Terrace. It is likely that the measures related to noise, dust, traffic congestion, tenants would be relocated under a potential and visual quality shall be applicable to all Section 8 voucher strategy during construction. populations. These measures are described in See Section 9, Socioeconomics, of this Mitigation Sections 2, 6, 12, and 14, respectively, of this Document. Mitigation Document. Nexus City of Renton Comprehensive Plan RMC 4-4-030 Development Guidelines and Regulations - General 12. Aesthetics Significant Impacts Table 23. Aesthetic Impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Planned Action Ordinance 35 Attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Operations Visual Character The demolition of existing structures and construction of new buildings would expose nearby residents to visual impacts, including dust, the presence of construction equipment, stockpiles of construction materials, localized increases in vehicular traffic, and on-site construction activities. For each alternative, these activities would occur sporadically at various locations throughout the Planned Action Study Area, would be localized to the construction site, and would be temporary in nature. The extensive public investment under the Planned Action Alternatives would result in widespread changes to the visual character of the Planned Action Study Area affecting about 40% of parcel acres. Private development would take full advantage of the current development regulations, resulting in a transition to a mixed-use, pedestrian -oriented neighborhood. The application of adopted design standards as new construction gradually replaces older buildings would result in an overall improvement of the visual environment in the Planned Action Study Area. Same as Planned Action Study Area The visual character of the Potential Sunset Terrace Redevelopment Subarea would change from its current state to a pedestrian -oriented community with a mix of residential, ground - floor commercial, and community uses linked by public spaces and landscaped pedestrian pathways. The Preferred Alternative concept would focus less residential development in the subarea than Alternative 3, making room for a larger neighborhood park_ Height and Bulk The subarea would experience Building height and bulk within moderate increases in height and the Potential Sunset Terrace bulk over existing conditions. Redevelopment Subarea would Heights would range from two to range from one to four stories. four stories, and buildings would The Preferred Alternative, generally be located closer to the however, would provide much street than under current more park space than Alternative conditions. The tallest building 3, providing a sense of openness heights under the Preferred to the Sunset Terrace site. In Alternative would occur on addition, buildings on the site property zoned Center Village. would be arranged to place 2 - story townbomes adjacent to the park and taller multifamily residential buildings along NE Planned Action Ordinance 36 Attachment 8: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Shade and Shadow Indirect/ Cumulative Because heights in the Planned Action Study Area would generally increase, shading effects would also become more pronounced, though only to a moderate degree. Increased building heights within the Planned Action Study Area could result in increased shading of pedestrian areas and public spaces, particularly along NE Sunset Boulevard, which is likely to see some of the most intense commercial and mixed- use development. While redevelopment of the public facilities discussed under the various alternatives would be a coherent effort, private development throughout the study area would occur piecemeal. Individual private developments are likely to be of higher density, greater height and a different architectural style than existing development, and have the potential to create temporary aesthetic conflicts where they are located adjacent to older structures. Over time, as more properties redevelop, the temporary conflicts would be less frequent and less noticeable_ Unavoidable Adverse Impacts Sunset Boulevard. Taller buildings along NE Sunset Boulevard would cast longer shadows on the interior of the subarea to the north, potentially shading sidewalks along Sunset Lane NE. Dependent on final design, building may potentially shade sidewalks along Sunset Lane NE and Glenwood Avenue NE at various times of the day. With the Preferred Alternative, the increased size of the central park, as well as the placement of 2 -story townhomes adjacent to the park, reduces the potential for adverse shading effects compared to Alternative 3. Redevelopment of the Sunset Terrace housing facility would be a localized action, but additional private development is anticipated to occur in response to this public investment, and each private development project would contribute to the overall transformation of the area's aesthetic character. With the application of adopted development regulations and recommended mitigation measures, no significant unavoidable adverse aesthetic impacts are anticipated. Mitigation Measures Table 24. Aesthetic Mitigation Measures Potential Sunset Terrace Redevelopment Planned Action Study Area Subarea In both the Planned Action Study Area and Potential See Planned Action Study Area. Sunset Terrace Redevelopment Subarea, mitigation Planned Action Ordinance 37 Attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Redevelopment Planned Action Study Area Subarea measures will be necessary to minimize impacts associated with increased height bulk, and shading. Future development occurring under any of the alternatives shall conform to the Renton Municipal Code design standards, including but not limited to the following: • Urban design standards contained in RMC 4-3- 100, . Residential Design and Open Space Standards contained in RMC 4-2-115, and . Lighting Standards contained in RMC 4 -4 -075 - As described in RMC 4-3-100133, portions of the Planned Action Study Area do not currently lie within an established Urban Design District, most notably those properties north of NE 16th Street and west of Kirkland Avenue NE, where the family village proposed under the Planned Action Alternatives would be located. To ensure that future redevelopment exhibits quality urban design, the . City should consider either including this area in Design District D or creating a new design district for this purpose. Prior to the enactment of new design standards, the City may condition development north of NE 16th Street to meet appropriate standards of Design District D in RMC 4- 3-100. Nexus City of Renton Comprehensive Plan AMC Title 4 Chapter 2 Zoning Districts — Uses and Standards AMC 4-3-100 Urban Design Regulations RMC 4-4-075 Lighting, Exterior On -Site 13. Historic/Cultural Significant impacts Table 25. Historic/Cultural Impacts Type of Impact Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea Construction Typical project impacts that could No significant cultural resources disrupt or adversely affect are known to exist in the Potential cultural resources in the Planned Sunset Terrace Redevelopment Action Study Area include Subarea. demolition, removal, or substantial alteration without Planned Action ordinance 38 Attachment B: Mitigation Document ORDINANCE NO. 5610 Type of Impact Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea consideration of historic and archaeological sites and/or features. Operations, Indirect and Development could occur on or Future development in the Cumulative Impacts near parcels in the Planned Action subarea would have no impact Study Area that contain any known National Register of previously identified or unknown Historic Places (NRNP) -eligible cultural resources. This archaeological or historic development would likely involve resources, and the likelihood of ground disturbance and impacts on unknown cultural modifications to buildings and resources is considered low. structures, which could result in a potentially significant impact on cultural resources. Because of the potential to impact unknown cultural resources, a detailed review of potential impacts on cultural resources would be required on a project -specific basis. Unavoidable Adverse Impacts The impacts on cultural resources caused by new development associated with any alterative could be significant and unavoidable, depending on the nature and proximity of the proposed development project Implementation of mitigation measures set forth in Draft EIS Section 4.1.3.2 as amended in the Final EIS would identify potential impacts on cultural resources, at which point measures to reduce them to less than significant could be taken. Mitigation Measures Table 26. Historic/Cultural Mitigation Measures Potential Sunset Terrace Redevelopment Planned Action Stu dyArea Subarea In the event that a proposed development site within the study area contains a building at least 50 -years of age that is not listed in or determined eligible for listing in the National Register of Historic Places (NRHP) or Washington Heritage Register (WHR), the project shall be required to undergo review to determine if the property is considered eligible for listing. It is recommended that the City adopt a historic preservation ordinance that considers the identification and treatment of historic resources listed in or determined eligible for listing in the NRHP or WHR, or locally designated. Until such time an ordinance is Since no native "A" horizon was identified at the Edmonds -Glenwood site and throughout the Sunset Terrace public housing complex, no further archaeological investigations are recommended for these areas. Although a buried, native "A" horizon was identified on RHA's Piha site (east of Harrington Avenue NE), the potential for an archaeological discovery is very low. The project should proceed with no further archaeological investigations. If archaeological materials are discovered during ground disturbing excavations, the contractor shall halt excavations in the vicinity of the find and contact DAHP. If human skeletal remains are discovered, or if during excavation archaeological materials are Planned Action Ordinance 39 Attachment B: Mitigation Document ORDINANCE NO. 5610 Planned Action Study Area adopted, the City must enter into consultation with DAHP regarding potential impacts on historic resources in the study area that are listed in or determined eligible for listing in the NRHP or WHR. For future projects that involve significant excavation in the study area the City must enter into consultation with Washington State Department of Archaeology and Historic Preservation (DAHP) to determine the likelihood of and recommendations for addressing potential archaeological resources. It may be necessary to complete. archaeological testing prior to significant excavation in the study area, such as digging for footings or utilities. Archaeological project monitoring may be recommended for subsurface excavation and construction in high probability areas. In the event that a future development project in the study area is proposed on or immediately surrounding a site containing an archaeological resource, the potential impacts on the archaeological resource must be considered and, if needed, a study conducted by a qualified archaeologist to determine whether the project would materially impact the archaeological resource. If the project would disturb an archaeological resource, the City shall impose any and all measures to avoid or substantially lessen the impact If avoidance of the archaeological resource is not possible, an appropriate research design must be developed and implemented with full data recovery of the archaeological resource prior to the development project The avoidance of archaeological resources through selection of project alternatives and changes in design of project features in the specific area of the affected resource(s) would eliminate the need for measuring or mitigating impacts. Non -site-specific mitigation could include developing an educational program, interpretive displays, and design guidelines that focus on compatible materials, and professional publications. Nexus City of Renton Comprehensive Plan Potential Sunset Terrace Redevelopment Subarea uncovered, the proponent will immediately stop work and notify agencies as outlined in the Unanticipated Discovery Plan provided in Draft EIS Appendix J and as amended by Final EIS Chapter 4 (and provided as Attachment 1 of this Attachment B). if the project would disturb an archaeological resource, the City shall impose any and all measures to avoid or substantially lessen the impact If avoidance of the archaeological resource is not possible, an appropriate research design must be developed and implemented with full data recovery of the archaeological resource prior to the development project The avoidance of archaeological resources through selection of project alternatives and changes in design of project features in the specific area of the affected resource(s) would eliminate the need for measuring or mitigating impacts. Planned Action Ordinance 40 Attachment B: Mitigation Document ORDINANCE NO. 5610 14. Transportation Significant Impacts Table 27. Transportation Impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Potential impacts that could result Same as Planned Action Study from construction activities Area include increased traffic volumes, increased delays, detour routes, and road closures. Lane closures in both directions of NE Sunset Boulevard could be required during construction roadway improvements associated with the Planned Action Alternatives. This reduction in capacity would likely increase travel times, and may force reroutes through local streets. Operations Traffic Operations At Edmonds Avenue NE and NE 12th Street LOS F conditions are predicted in both 20115 and 2030. At Harrington Avenue NE and NE 12th Street LOS F conditions are expected in 2030. Transit At both Edmonds Avenue NE and at NE 10th Street expanded bus zones in both directions of travel would provide larger waiting areas for transit users and would be conveniently located near residential or retail land uses. Bus zones and existing bus stops could include shelters with adequate lighting and street furniture. Nonmotorized Planned Action Alternatives include improved nonmotorized facilities such as bicycle lanes, sidewalks, and marked crosswalks. Design elements such as bike route signage, bike storage lockers, and bicycle detection at signalized intersections are included to promote bike ridership and safety. The Preferred Alternative includes a 5 -foot -wide eastbound Delay times in the subarea could worsen slightly due to the increase in trips generated, but intersections would likely operate better than the LOS D threshold. Same as Planned Action Study Area Same as Planned Action Study Area Planned Action Ordinance 41 Attachment B: Mitigation Document 0flue , 919WiOMISi I Type of Impact Planned Action Study Area bicycle lane, rather than bicycle lanes in both directions (as in Alternative 3). Sidewalk connections from NE Sunset Boulevard to side streets would be improved, strengthening the connectivity between the residential areas and NE Sunset Boulevard. To improve safety for pedestrians crossing the roadways, the Preferred Alternative includes special paving at crosswalks and intersections. Sustainability The Planned Action Alternatives score a minimum of 33 with a maximum of up to 99 out of 118 points in the Greenroads metric,- therefore, etric;therefore, the alternatives meet the minimum Greenroads certification level and could achieve the highest level of certification. Indirect and Cumulative The Planned Action Alternatives score most strongly in the "Access and Equity" section of the Greenroads evaluation, as improving access for pedestrians, bicyclists, and transit users are important elements of this alternative_ The Planned Action Alternatives typically include higher levels of improvements or higher quality of improvements such as wider sidewalks, wider planting areas, and special paving. Growth would increase in comparison to Comprehensive Plan land use estimates; however, the Planned Action Alternatives' operational analysis is based on a model that addresses growth cumulatively on the City's current and planned roadway system and any operational deficiencies can be mitigated to meet City of Renton thresholds_ Potential Sunset Terrace Redevelopment Subarea Same as Planned Action Study Area Same as Planned Action Study Area Planned Action Ordinance 42 Attachment B: Mitigation Document AMID]10IrellI[N all [*M771111 Unavoidable Adverse Impacts The alternatives are expected to contribute to a cumulative increase in traffic volumes within the study area, which could degrade some roadway operations. The increase in traffic volumes due to activities in the study area is considered unavoidable, but the roadway operation and LOS can be mitigated to meet applicable LOS standards. Mitigation Measures Table 28. Transportation Mitigation Measures . Edmonds Avenue NE and NE 12th Street: an additional southbound left -turn pocket and westbound right -turn pocket would improve operations to LOS E, while added pedestrian- and bicycle -oriented paths or multi -use trails to encourage mode shifts would likely improve operations to LOS D. . At the Harrington Avenue NE and NE 12th Street intersection: the eastbound and westbound approaches could be restriped to increase the number of lanes and, therefore, the capacity of the intersection. With implementation, this intersection would improve to LOS D. Construction Mitigation Temporary mitigation during construction may be necessary to ensure safe travel and manage traffic delays. The following mitigation measures shall be implemented prior to or during construction within the Planned Action Study Area. Prior to construction: Planned Action Ordinance 43 Attachment B: Mitigation Document Potential Sunset Terrace Redevelopment Planned Action Study Area Subarea Operational Mitigation No permanent mitigation measures are Planned Action applicants shall pay a Transportation recommended within Potential Sunset Terrace Impact Fee as determined by the Renton Municipal Redevelopment Subarea. The intersection Code at the time of payment, payable to the City as operations under action alternatives are specified in the Renton Municipal Code. expected to be within the LOS D threshold. Planned Action applicants shall provide a traffic During construction, mitigation measures are analysis estimating trips generated by their those described for the planned Action Study proposed development and demonstrate Area. Flaggers, advance warning signage to conformance with the Planned Action Ordinance trip alert motorists of detours or closures, and ranges and thresholds in Section 3(d) (4) as well as reduced speed zones would likely benefit demonstrate conformance with the City's traffic operations. concurrency requirements in RMC 4-6-070. When demonstrated by an applicant's analysis that operational LOS standards reviewed in the EIS are exceeded at the following locations, intersection improvements shall be made by planned action applicants as appropriate to meet LOS D and in conformance with the City's street standards in RMC 4-6-060: . Edmonds Avenue NE and NE 12th Street: an additional southbound left -turn pocket and westbound right -turn pocket would improve operations to LOS E, while added pedestrian- and bicycle -oriented paths or multi -use trails to encourage mode shifts would likely improve operations to LOS D. . At the Harrington Avenue NE and NE 12th Street intersection: the eastbound and westbound approaches could be restriped to increase the number of lanes and, therefore, the capacity of the intersection. With implementation, this intersection would improve to LOS D. Construction Mitigation Temporary mitigation during construction may be necessary to ensure safe travel and manage traffic delays. The following mitigation measures shall be implemented prior to or during construction within the Planned Action Study Area. Prior to construction: Planned Action Ordinance 43 Attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Redevelopment Planned Action Study Area Subarea o Assess pavement and subsurface condition of roadways being proposed for transport of construction materials and equipment Ensure pavement can support loads. Adequate pavement quality would likely reduce the occurrence of potholes and would help maintain travel speeds. o Alert landowners and residents of potential construction. Motorists may be able to adjust schedules and routes to avoid construction areas and minimize disruptions. o Develop traffic control plans for all affected roadways. Outline procedures for maintenance of traffic, develop detour plans, and identify potential reroutes. o Place advance warning signage on roadways surrounding construction locations to minimize traffic disturbances. During construction_ o Place advance warning signage on NE Sunset Boulevard and adjacent arterials to warn motorists of potential vehicles entering and exiting the roadway. Signage could include "Equipment on Road," "Truck Access," or "Slow Vehicles Crossing." o Use pilot cars as dictated by the Washington State Department of Transportation (WSDOT). o Encourage carpooling among construction workers to reduce traffic volume to and from the construction site. o Employ flaggers, as necessary, to direct traffic when vehicles or large equipment are entering or exiting the public road system to minimize risk of conflicts between trucks and passenger vehicles. o Maintain at least one travel lane at all times, if possible. Use flaggers to manage alternating directions of traffic. If lane closures must occur, adequate signage for potential detours or possible delays should be posted. o Revisit traffic control plans as construction occurs. Revise traffic control plans to improve mobility or address safety issues if necessary. Planned Action ordinance 44 Attachment B: Mitigation bocument ORDINANCE NO. 5610 Nexus Renton Comprehensive Plan RMC 4-6-060 Street Standards 15. Parks and Recreation Significant impacts Table 29. Parks and Recreation Impacts Planned Action Ordinance 45 Attachment B: Magation Document Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Construction could temporarily No parks and recreation facilities disrupt pedestrian access to exist in this subarea and no existing park properties. Active construction impacts are construction sites also represent anticipated. opportunities for creative play and attractive adventure for young people in the community. Operations Although there is an increase in With Alternative 3, portions of community park acreage there Harrington Avenue NE right -of - would continue to be a deficiency way within the subarea would be in neighborhood and community converted to 0.25 acres of passive park acreage in the Planned open space. Action Study Area. Deficiencies Under the Preferred Alternative, are less than for the Preferred Sunset Court Park would be Alternative than Alternative 3 relocated to the Sunset Terrace which has a similar population Subarea. Additionally, this park but less proposed park facilities. would be expanded from 0.5 acres Ballfield and sport court LOS to 2.65 acres and would have a standards are applied citywide; vacation of Harrington Avenue NE thus a lack of such facilities within similar to Alternative 3. This the Planned Action Study Area or increases the acreage in the Potential Sunset Terrace neighborhood park land for this Redevelopment Subarea does not subarea and the Planned Action indicate an LOS deficiency. Study Area. NE Sunset Boulevard would be Additionally, a library would be improved to include bike lanes, constructed in the subarea. intersection improvements, and sidewalks, providing a more walkable corridor and more direct access between residential areas and park land Indirect indirect impacts are expected to Facility deficiencies in this mostly fall on the City's regional subarea would also likely lead to and communitywide parks and spillover demand for active recreation facilities. For example, playfields for team sports in other as the population increases in the parts of Renton as well as in Planned Action Study Area, there surrounding communities. will be a growing deficiency of Neighborhood and Community Planned Action Ordinance 45 Attachment B: Magation Document ORMANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Parks. Due to proximity, those demands would likely be displaced to nearby regional facilities such as Gene Coulon Park as well as in surrounding communities. Cumulative Increased demands for park and Same as Planned Action Study recreation facilities and services Area generated by the forecast population growth under each of the alternatives would add to those created by general population growth throughout the Renton community. Unavoidable Adverse Impacts Under studied alternatives for the Planned Action Study Area and Potential Sunset Terrace Redevelopment Subarea, there would be an increased demand for parks and recreation facilities. With the application of mitigation measures, no significant unavoidable impacts are anticipated. Mitigation Measures Table 30. Parks and Recreation Mitigation Measures Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea During construction, impacts adjacent to or in parks within the Planned Action Study Area, such as an increase in noise, dust, and access limitations, shall be mitigated as per a construction mitigation plan developed by Planned Action applicants and approved by the City. Planned Action Applicants shall pay a Parks and Recreation Impact fee as determined by the Renton Municipal Code at the time of payment, payable to the City as specified by t he Renton Municipal Code. The following four mitigation measures would help improve the availability or access to parks and recreation facilities in the Planned Action Study Area. The City is initiating a parks, recreation, open space and natural resources plan for completion in 2411. That plan could identify alternative LOS standards and parks and recreation opportunities inside or outside of the Planned Action Study Area that could serve the local population. The City is considering amendments to its With the prevalence of public facilities in the Planned Action Study Area as a whole, and the addition of a central park and a library in the Potential Sunset Terrace Redevelopment Subarea, there is opportunity to manage the current facilities in a manner that maximizes their beneficial parks and recreation uses for future population growth. The mitigation measures proposed for the Planned Action Study Area shall apply to the Potential Sunset Terrace Redevelopment Subarea. Planned Action Ordinance 46 Attachment 6� Mitigation document ORDINANCE NO. 5610 Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea development codes that would provide for payment of a fee -in -lieu for required common open space. As proposed, the fee -in -lieu option could be executed when development sites are located within 0.25 mile of a public park and when that park can be safely accessed by pedestrians. The City's package of amendments also includes park impact fees. The City and Renton School District could develop a joint -use agreement for public use of school grounds for parks and recreation purposes during non -school hours. Joint -use agreements between the City and Renton School District could also be used to, at least partially, address the LOS deficiencies in existing recreation facilities. The City could add parks and recreation facilities such as: The City could convert current public properties no longer needed for their current uses to parks and recreation uses, such as the Highlands Library that is intending to move and expand off site. Draft EIS Figure 4.15-2 shows properties in public use_ The City could purchase private property for parks and recreation use. An efficient means would be to consider properties in the vicinity of existing parks and recreation facilities or where additional population growth would be greatest Draft EIS Figure 4.15-2 shows locations where future demand could be greater and where the City could focus acquisition efforts. Nexus Renton Comprehensive Plan Parks, Recreation, Open Space and Natural Resources Plan 16. Public Services Significant Impacts Table 31. Public Services Impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Planned Action Ordinance 47 Attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of impact Planned Action Study Area Redevelopment Subarea Construction Police The Renton Police Department could experience an increase in calls for service related to construction site theft, vandalism, or trespassing relating to construction. Fire and Emergency Medical Services Construction impacts on fire protection and emergency medical services could include increased calls for service related to inspection of construction sites and potential construction -related injuries_ Education The McKnight Middle School expansion would occur similar to other alternatives. In addition, changes would occur at the Hillcrest Early Childhood Center and the recnnfigured Hillcrest Early Childhood Center would be part of a family village concept that would include recreation and housing. The expansion of McKnight Middle School is not expected to disrupt student attendance at the campus. Health Care There may be temporary changes to nonmotorized and motorized access to health care services during infrastructure construction (e.g., NE Sunset Boulevard), but alternative routes would be established. Social Services There may be temporary changes to nonmotorized and motorized access to social services during infrastructure construction (e.g., NE Sunset Boulevard), but alternative routes would be established. Same as Planned Action Study Area Same as Planned Action Study Area No impact Same as Planned Action Study Area Redevelopment of the Sunset Terrace housing development would displace the existing on- site community meeting space that is currently used for on-site social service programs_ However, the space would be replaced Construction at the Hillcrest Early onsite or nearby with a larger and Childhood Center as part of the more modern facility, and with family village redevelopment, appropriate phasing of would require relocation of the development, disruption to on - Friendly Kitchen weekly meal site social service programs can program that meets at that site. be minimized or avoided. The Friendly Kitchen program would either be relocated permanently as a part of the redevelopment or maybe Planned Action Ordinance 48 Attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Solid Waste Library Operations Police Fire and Emergency Medical Services Education accommodated as part of the range of social services provided at the family village. Planned Action Alternatives would result in construction - related waste generation. When the library is relocated, library services may be temporarily unavailable in the study area, but services would be available at other branches. Applying the Renton Police Department staffing per population standard to the anticipated population increase would result in a need for an estimated 8.6 to 9.3 additional police officers to address increase in service calls related to growth. Applying the fire service's staffing ratio to growth in the study area would result in the need for an additionall.2 to1.3 firefighter full- time equivalents (FTEs) compared to existing conditions to maintain the City's existing staffing ratio. Population growth would result in an increase in approximately 526 to 567 students in the Renton School District compared to existing conditions. The district's planned opening of Honey Dew Elementary, as well as construction of additions to McKnight Middle School and Hazen High School, would accommodate this increase in student population. New students within the study area would include a higher than average number of students speaking English as a second language, increasing demands on the district's English Language Learners Program. Same as Planned Action Study Area Same as Planned Action Study Area Applying the Renton Police Department standard to the anticipated population increase would account for 1.0 tol.8 of the approximately 8.6 to 9.3 additional police officers to address population growth study area. Applying the fire service's staffing ratio to growth in the study area to the population growth of in this subarea would result in the need for less than 0.14 to 0.2 of the 1.2 tol.3 firefighter FTEs needed in the overall Planned Action Study Area to maintain the City's existing staffing ratio. Population growth would result in approximately 60 to 107 additional students compared to existing conditions_ It is anticipated that this additional increment of students would be accommodated by the district's planned capital improvements, including opening Honey Dew Elementary, expansion of McKnight Middle School, and redeveloping the Hillcrest Early Childhood Center which would provide additional student capacity in addition to early education programs that currently exist on the site. Health Care Increase in study area population Based VMC's existing ratio of would increase the need for hospital beds to district Planned Action Ordinance 49 Attachment B; Mitigation Document [01.011 011[01 •14=11.1. 17 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Social Services Solid Waste Library Services hospital beds in the Valley Medical Center (VMC) service area by approximately 4.1 to 4.4 beds, based on the current ratio of hospital beds to district service area population. Additional population growth may also result in increased demand at VMC's nearby primary care and urgent care clinics. Planned Action Alternatives include major public investments, which could expand upon or enhance social services in the study area. Among the key components outside of Potential Sunset Terrace Redevelopment Subarea is development of a family village in the North Subarea. Solid waste generation is expected to increase by around 129,689 to 139,000 pounds per week compared to existing conditions. A portion of this waste stream would be diverted to recyclables. Anticipated growth would create a demand for an additional 1,940 to 2,079 square feet of library space compared to existing conditions. population, the anticipated population increase would result in a small increase of approximately 0.5 to 0.8 hospital beds of the total assumed for the entire study area. The subarea's new affordable housing development for seniors would include enriched senior services on site, including elder day -health for off-site patients in a 12,500 -square -foot space on the northeastern vacant RHA parcel_ The increased population of affordable housing and, in particular, affordable senior housing would increase the demand for social services, including senior services accessible to the subarea. Additional community space at the family village, would be located outside but nearby the subarea. Solid waste generation from the subarea would increase by about 14,750 to 9,300 pounds per week compared to existing conditions. A percentage of this waste would be diverted to recycling. Anticipated growth in the subarea would account for approximately 221-397 square feet of library facilities to meet the growth in demand. Indirect and Cumulative All alternatives increase growth Same as Planned Action Study above existing conditions and Area would add to a citywide increase in demand for public services; however, the alternatives are accommodating an increment of growth already anticipated in the Comprehensive Plan at a citywide level, and planned growth to the year 2031 will be addressed in the City's 2014 Comprehensive Plan Planned Action Ordinance so Attachment s: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea update.. Unavoidable Adverse Impacts Demand for public services will continue to increase in conjunction with population growth. With advanced planning and implementation of mitigation measures, no significant unavoidable adverse impacts related to police, fire/emergency medical, education, health care, social services, solid waste, or library services are anticipated. Mitigation Measures Table 32. Public Services Mitigation Measures Planned Action Study Area Police During construction, security measures shall be implemented by developers to reduce potential criminal activity, including on-site security surveillance, lighting, and fencing to prevent public access. Such measures shall be detailed in a construction mitigation plan prepared by Planned Action Applicants and approved by the City. Planned Action applicants shall design street layouts, open space, and recreation areas to promote visibility for residents and police. Street and sidewalk lighting would discourage theft and vandalism, and enhance security_ Fire and Emergency Medical Services Developers will construct all new buildings in compliance with the International Fire Code and Renton Development Regulations (RMC Title 4), including provision of emergency egress routes and installation of fire extinguishing and smoke detection systems. All new buildings will comply with accessibility standard for people with disabilities, per the requirements of the Americans with Disabilities Act Planned Action applicants shall pay a Fire Impact Fee as determined by the Renton Municipal Code at the time of payment, payable to the City as specified in the Renton Municipal Code. Education Potential Sunset Terrace Redevelopment Subarea Police Mitigation measures described for the Planned Action Study Area also apply to this Subarea. Fire and Emergency Medical Services Mitigation measures described for the Planned Action Study Area also apply to this Subarea_ Education No mitigation measures are necessary or proposed_ Health Care No mitigation measures are necessary or proposed. Social Services RHA's provision of community space that could be used for social services or community meeting space for community organizations would serve as mitigation. See the discussion under the Planned Action Study Area. RHA should maintain a community meeting space within or near the subarea during construction phase of Sunset Terrace redevelopment that allows for on-site social service programs to continue to meet within the subarea. Solid Waste Mitigation measures described for the Planned Action Study Area also apply to this Subarea. Public Library The King County Library System should continue During renovation of the Hillcrest Early Childhood to monitor growth within its geographic clusters, Center, the Renton School District shall provide and adjust plans for facility sizing and spacing temporary transportation or take other according to shifting trends in population growth. equivalent measures to ensure accessibility of the early education program to area children who attend the program. Since the school district typically plans for a Planned Action Ordinance 51 Attachment B: Mitigation Document ORDINANCE NO. 5610 Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea shorter -term horizon than the 20 years envisioned for the Planned Action, the district will continue to monitor student generation rates into the future and adjust its facility planning accordingly. The district will continue to implement existing plans to expand permanent student capacity at area schools. In addition, the district may utilize portable classrooms or shift attendance boundaries to address student capacity issues that arise on a shorter term basis. The district will also continue monitoring growth in the number of English Language Learner students in the district and plan additional capacity in that program to meet growing demands for that service, particularly in schools with high percentages of English Language Learners, such as Highlands Elementary. The school district imposes a school impact fee for new residential construction. This funding source can be used to help provide expanded school facilities needed to serve the growth anticipated under all alternatives CRMC 4-1-160]. Health Care There are no mitigation measures needed or proposed for health care due to the negligible change in the number of beds. Social Services The City's planned improvements to the streetscape and transit facilities that make walking, bicycling, and taking transit more viable modes of transportation would improve accessibility of social services located outside the Planned Action Study Area to area residents. RHA, Renton School District, and the City should work together to relocate the Friendly Kitchen community feeding program when the Hillcrest Early Childhood Center campus, the current site of this program, is redeveloped as part of a family village. Relocation should occur at an accessible location nearby to maintain service to the existing community that relies upon the Friendly Kitchen services. If possible, Renton School District and RHA should incorporate space for the continuation of the Friendly Kitchen Program within the family village. AHA and the City should consider developing a community center facility as part of Sunset Terrace redevelopment or the family village development or at another location in the Planned Action Study Area. The center would provide an accessible on-site space for a comprehensive range of social services for residents in the Planned Action Ordinance 52 Attachment B: Mitigation Document ORDINANCE NO. 5510 Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea Planned Action Study Area, focused on alleviating poverty, and addressing the needs of some of the more predominant demographic groups found within the Planned Action Study Area—seniors, individuals living with disabilities, those speaking English as a Second Language, and youth. Solid Waste The City shall require development applicants to consider recycling and reuse of building materials when redeveloping sites, and as part of their application explain what measures are included. The City may condition PIanned Action applications to incorporate feasible recycling and reuse measures. Public Library The King County Library System should continue to monitor growth within its geographic clusters, and adjust plans for facility sizing and spacing according to shifting trends in population growth. Nexus Renton Comprehensive Plan RMC Title IV Chapter 1 Administration and Enforcement RMC Title IV Chapter S Building and Fire Prevention Standards 17. Utilities Significant Impacts Table 33. Utilities Impacts Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Construction Where new construction occurs, Same as Planned Action Study it is anticipated that existing Area telecommunication lines would be removed, replaced, or abandoned in place. Redevelopment would require coordination with service providers regarding the location of proposed structures, utilities, and site grading. To accommodate the required demand and capacity for water and sewer services for new . development and redevelopment in th e study area, existing water and sanitary sewer lines would Planned Action Ordinance 53 Attachment 8: nnttigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Operations Telecommunications be abandoned in place or removed and replaced with new and larger lines. New and larger water and sewer mains would be installed in existing and/or future dedicated public rights-of-way or within dedicated utility easements to the City, and would connect with the existing distribution network. Existing utility lines would continue to service the site during construction, or temporary bypass service would be implemented until the distribution or collection system is complete and operational. Increased capacity requirements with increased levels of population and commercial activity in each of the alternatives could require new fiber within the Planned Action Study Area and coordination with telecommunication providers as development occurs should be performed so that appropriate facilities can be planned. Water The increase in the average daily demand (ADD) is projected to be 0.56 to 0.59 million gallons per day within the Planned Action Study Area. The growth projected would increase the storage requirements for the Highlands 435 and 565 pressure zones and further increase the existing storage deficit in the Highlands 435 pressure zone. In addition, the development that is projected for the Planned Action Study Area would increase the fire -flow requirements with more multifamily development and Same as Planned Action Study Area The increase in ADD for this subarea is 0.05 to 0.09 million gallons per day. The increase in the peak daily demand (PDD) for this subarea is 0.09 to 0.16 million gallons per day. The primary significant impact of subarea development on the water distribution system would be related increased fire -flow requirements_ These increased fire flow requirements are substantial and cannot be met by the existing distribution system serving the subarea. Water system pressure provided by the 435 pressure zone within the Planned Action ordinance 54 Attachment B: Mitigation Document ORDINANCE NO. 5610 Potential Sunset Terrace Type of Impact Planned Action Study Area Redevelopment Subarea Wastewater commercial development. The capacity of the existing water distribution system to meet these higher fire Flows is inadequate if system improvements are not constructed. The increase in wastewater load for the Planned Action Study Area is 0.59 to 0.63 million gallons per day. This increase in wastewater load is not expected to affect the wastewater interceptors that provide conveyance of wastewater from the Planned Action Study Area but it could increase surcharging that is currently experienced and observed within the Planned Action Study Area. subarea is not adequate For multistory development and/or for development with fire sprinkler systems. blew water mains extended from the higher - pressure 565 pressure zone system to service the subarea would need to be phased to accommodate growth. The increase in wastewater flow in this subarea is 0.05 to 0.10 million gallons per day. Similar to the Planned Action Study Area, no impacts on the interceptors that provide conveyance from the subarea are expected, but the increased sewer load could impact local sewers within the subarea. Indirect and Cumulative Demands on utilities would Same as Planned Action Study increase as a result of cumulative Area development. No significant cumulative impacts are anticipated as long as the replacement of water and sewer infrastructure is properly planned, designed, and constructed, and funding strategies are identified and approved by City Council. Unavoidable Adverse Impacts All studied alternatives are anticipated to increase demand for water, wastewater, and telecommunication services. Increased growth in the Planned Action Study Area has the potential to exacerbate existing water and wastewater system deficiencies. However, with application of mitigation measures, no significant unavoidable adverse impacts are anticipated. Mitigation Measures Table 34. Utilities Mitigation Measures Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea Water Water To mitigate the current and projected water The mitigation measures that are required in the storage deficit in the pressure zones that serve Potential Sunset Terrace Redevelopment Subarea Planned Action ordinance 55 Attachment B: Mitigation Document ORDINANCE NO. 5610 Planned Action Study Area the study area, the City completed the construction of the 4.2 -million -gallon Hazen Reservoir in the Highlands 565 pressure zone in March 2009. The City also completed a water distribution storage feasibility study to develop conceptual options and planning level cost estimates for expanding the storage capacity at two existing City -owned sites: the Highlands Reservoirs site and the Mt Olivet Tank site (HEAR, Inc. 2009). Financial strategies for the planning, design, and construction of the storage -capacity expansion have not been determined at this time. To mitigate the fire -flow requirements for the proposed level of development and redevelopment within the Planned Action Study Area, larger diameter (12 -inch) piping is required throughout the Planned Action Study Area to convey the higher fire -flow requirements. The new water mains will be looped for reliability and redundancy of service, as required by City policies and water design standards. The larger mains will be installed within the dedicated right-of-way in a north -to - south and east -to -west grid -style water system. Additional mains within the development sites will also be required to provide water to hydrants and water meters, and should be looped within the development site around buildings. To provide the water pressure requirements for multistory buildings and to support the pressure requirements for fire sprinkler systems, the new water mains will be connected to the higher -pressure Highlands 565 pressure zone. The options to address fire flow within the Planned Action Study Area are further described below_ The Highlands 565 pressure zone typically has enough pressure to meet the pressure needs for fire -flow requirements for the proposed development and redevelopment in the Planned Action Study Area, but is limited in providing the fire -flow rate due to the size of the existing water mains that are generally smaller than 12 inches in diameter. The Highlands 435 pressure zone operates at lower pressures and has smaller -diameter pipes in this area of the pressure zone and, therefore, cannot meet both the pressure requirements and the fire -flow capacity (flow) requirements. The options developed to remedy fire -flow and pressure inadequacies are shown in Draft EIS Section 4.17, Figure 4.17-1 and summarized Potential Sunset Terrace Redevelopment Subarea are similar to those noted for the Planned Action Study Area. The water storage deficit would be met with an increase in storage at the existing Highlands Reservoirs site, and fire -flow requirements would require the new 12 -inch -diameter pipe loop throughout this subarea and realignment of the Highlands 435 and Highlands 565 pressure zones. As noted previously, the City has recently installed a new 12 -inch -diameter main for development adjacent to this subarea, and as development occurs in the subarea, the pipe network would need to be extended to serve the development A more detailed discussion of needed system improvements is provided in Attachment 2.Wastewater Collection The sewers within the Potential Sunset Terrace Redevelopment Subarea are also identified for replacement based on age and condition in the City's Long Range Wastewater Management Plan. Based on the increased wastewater load within the Potential Sunset Terrace Redevelopment Subarea, the local sewers may need to be replaced with upsized pipe to manage the increased wastewater load from the subarea_ A more detailed discussion of needed sewer system improvements is provided Attachment 2. Planned Action Ordinance 56 Attachment a- Mitigation Document ORDINANCE NO. 5610 Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea below. A 12 Anch- diameter pipeline loop shown in Draft EIS Section 4.17, Figure 4.17-1 was developed to extend the Highlands S65 pressure zone into the existing Highlands 43 S pressure zone. This 12 -inch -diameter loop was also extended north of NE 12th Street in the existing Highlands 56S pressure zone to improve the conveyance capacity throughout the Planned Action Study Area. This 12 -inch - diameter loop improvement builds on the City's recent extension of the Highlands 565 pressure zone into the Highlands 435 pressure zone to support fire -flow requirements for the Harrington Square Development. In addition to the 12 -inch -diameter pipe loop shown in Draft EIS Section 4.17, Figure 4.17-1, additional piping improvements for each development served from the 12 -inch -diameter loop are expected to be required to provide sufficient fire flow and pressure throughout each development The sizing and layout of this additional piping will depend on the development layout, but will require that the development piping be looped around buildings and be sufficient in size to maintain the fire - flow requirements of the development Planned Action Applicants shall implement improvements required for water service and fire flow consistent with City standards in RMC Title 4 Chapter 6 and RMC 4-S-070 International Fire Code and Fire Prevention Regulations. Planned Action applicants shall also demonstrate compliance with RMC 4-1- 180 Charges for Equitable Share of Public Works Facilities. Wastewater Collection The local wastewater collection system n the Planned Action Study Area is scheduled for replacement based on age and condition as noted in the City of Renton Long Range Wastewater Management Plan (City of Renton 2009b). The local sewers have reached the end of their useful life and have been identified as high priority replacements due to leaks and current surcharging. However, the increased wastewater load with the development in the Planned Action Study Area could require that the local sewers be replaced with larger diameter pipe to provide sufficient capacity to the wastewater interceptors that serve the Planned Action Study Area. The locations where lines would be improved are identified in Draft Planned Action Ordinance 57 Attachment B: Mitigation Document ORDINANCE NO. 5610 Planned Action Study Area Potential Sunset Terrace Redevelopment Subarea EJS Section 4.17. Pursuant to RMC 4-6-040.13, any facility improvements identified by the current adopted long-range wastewater management plan (comprehensive sewer system plan) that are not installed or in the process of being installed must be constructed by the property owner(s) or developer(s) desiring service_ Planned Action applicants shall also demonstrate compliance with RMC 4-1-180 Charges for Equitable Share of Public Works Facilities. Nexus Renton Comprehensive Plan RMC Title IV Chapter 1 Administration and Enforcement RMC Title 1V Chapter 6 Street and Utility Standards Advisory Notes The EIS identified potentially applicable federal, state, and local laws and rules that apply to Planned Actions and that can serve to mitigate adverse environmental impacts. It is assumed that all applicable federal, state, and local regulations would be applied. The primary set of applicable local regulations is the Renton Municipal Code. A list of specific requirements included in Chapter 3 of the Draft EIS. Planned Action Ordinance 58 Attachment 6: Mitigation Document ORDINANCE NO. 5610 Attachment 1: Draft EIS, Cultural Resources Appendix 1, Plan and Procedures for Dealing with the Unanticipated Discovery Pian and Procedures for Dealing with the Unanticipated Discovery of Human Skeletal Remains or Cultural Resources during Redevelopment of the Edmonds - Glenwood Lot, Harrington Lot, and Sunset Terrace Public Housing Complex in Renton, Washington Any human skeletal remains that are discovered during this project will be treated with dignity and respect. A. If any City of Renton employee or any of the contractors or subcontractors believes that he or she has made an unanticipated discovery of human skeletal remains or cultural. resources, all work adjacent to the discovery shall cease. The area of work stoppage will be adequate to provide for the security, protection, and integrity of the human skeletal remains, in accordance with Washington State Law. The City of Renton project manager will be contacted. B. The City of Renton project manager or the City of Renton representative will be responsible for taking appropriate steps to protect the discovery. At a minimum, the immediate area will be secured to a distance of thirty (30) feet from the discovery. Vehicles, equipment, and unauthorized personnel will not be permitted to traverse the discovery site. C. If skeletal remains are discovered, the City of Renton will immediately call the King County Sheriff's office, the King County Coroner, and a cultural resource specialist or consultant qualified to identify human skeletal remains. The county coroner will determine if the remains are forensic or non -forensic (whether related to a criminal investigation). The remains should be protected in place until this has been determined. D. If the human skeletal remains are determined to be non -forensic, the King County Coroner will notify the Washington State Department of Archaeology and Historic Preservation. DAHP will take jurisdiction over the remains. The State Physical Anthropologist will make a determination of whether the remains are Native American or Non -Native American. DAHP will handle all consultation with the Muckleshoot Indian Tribe as to the treatment of the remains. E. If cultural resources are uncovered, such as stone tools or flakes, fire -cracked rocks from a hearth feature, butchered animal bones, or historic -era objects (e.g., patent medicine bottles, milk tins, clay pipes, building foundations), the City of Renton will arrange for a qualified professional archaeologist to evaluate the find. Again, the cultural resources will be protected in place until the archaeologist has examined the find. F. If the cultural resources find is determined to be significant, the City of Renton cultural resource specialist/archaeologist or consulting archaeologist will immediately contact the Washington State Department of Archaeology and Historic Preservation and the Muckleshoot Indian Tribes Planned Action Ordinance 59 Attachment &: Mitigation Document ORDINANCE NO. 5610 to seek consultation regarding the eligibility of any further discovery for inclusion in the National Register of Historic Places. CONTACT INFORMATION Erika Conkling, AICP, Senior Planner City of Renton Department of Community and Economic Development Renton City Hall 1055 South Grady Way Renton, WA 98057 Phone: (42S) 430-6578 Stephanie Kramer Assistant State Archaeologist Department of Archaeology and Historic Preservation PO Box 48343 1063 Capitol Way South Olympia, WA 98504-8343 Phone: (360) 586-3083 King County Sheriffs Office Headquarters 516 Third Avenue, Room W-150 Seattle, WA 98104-2312 Phone: (206) 296-4155 (non -emergency) Laura Murphy Muckleshoot Tribe Cultural Resources 39015 172nd Avenue SE Auburn, WA 98092 Phone. (2S3) 876-3272 Planned Action Ordinance 60 Attachment B: Mrtigation Document ORDNANCE No. 5620 Attachment 2: Figure 3.17-1 Potential Subarea Utility Improvements and Phasing Planned Action Ordinance 61 Attachment B: Mitigation Document ORDINANCE NO. 5610 Water The mitigation measures that are required in the Potential Sunset Terrace Redevelopment Subarea are similar to those noted for the Planned Action Study Area. The water storage deficit would be met with an increase in storage at the existing Highlands Reservoirs site, and fire -flow requirements would require the new 12 -inch -diameter pipe loop throughout this subarea and realignment of the Highlands 435 and Highlands 565 pressure zones. As noted previously, the City has recently installed a new 12 -inch -diameter main for development adjacent to this subarea, and as development occurs in the subarea, the pipe network would need to be extended to serve the development. A more detailed discussion of needed system improvements is provided below. Overview Renton fire and building codes mandate minimum fire flows, durations, and pressure prior to occupancy of new structures. In the case of the Potential Sunset Terrace Redevelopment Subarea these mandated flows dictate substantial upgrades to the water distribution system. When the fire flow required for a new development exceeds 2,500 gallons per minute (gpm), the City also requires that the mains providing that fire flow be looped. Looped water mains provide more reliability and higher pressures under fire -flow conditions. City regulations also require installation of fire hydrants along all arterials such as NE Sunset Boulevard. Taken together these code requirements would lead to a series of new water mains connected to the 565 pressure zone and extended to the various redevelopment projects within the subarea. It is not possible to predict the precise timing and sequencing of these redevelopment projects. The following paragraphs illustrate one scenario of water main sequencing that could meet fire -flow requirements. Edmonds -Glenwood Phase 1 Phase 1 of the Edmonds -Glenwood redevelopment project consists of townhomes along Glenwood Avenue NE. Fire -flow requirements for this project are expected to be in the range of 2,500 gpm. The existing water system in Glenwood Avenue NE cannot provide that amount of fire flow. A new 12 -inch -diameter water main would be required to be extended from Harrington Avenue NE and NE 12th Street in the 565 pressure zone, south along Harrington Avenue NE, and continuing along Glenwood Avenue NE past and through the project site, about 800 feet of new pipe (Segment A on Figure 3.17-1). New Library A new library is proposed in the northeast quadrant of NE Sunset Boulevard and Harrington Avenue NE. If the fire -flow requirements for the new library are about 2,500 gpm or less, then the existing 12 -inch -diameter main in NE Sunset Boulevard could meet that requirement. Planned Action Ordinance 62 Attachment B: Mitigation Document ORDINANCE NO. 5610 New Mixed -Use Building Adjacent to New Library A new mixed-use community service/retail/residential structure is proposed adjacent to the new library between NE Sunset Boulevard, NE 10th Street, and Sunset Lane NE. It is reasonable to expect that the combination of additional structure size and exposure (to the library) would mandate fire flows for this building in excess of 2,500 gpm. In that case, a looped system of mains from the 565 pressure zone would be required. This could be achieved by extending new mains from the existing 12 -inch -diameter main in NE Sunset Boulevard northwesterly on both Harrington Avenue NE and NE 10th Street to Sunset Lane NE. The loop could then be connected by installing a new 12 -inch - diameter main in Sunset Lane NE from Harrington Avenue NE to NE 10th Street. The existing water main in Sunset Lane NE could then be abandoned in place. This new loop would be about 700 feet in total length (Segment B on Figure 3.17-1). RHA's Piha Site Fire flows required for the PIHA site development have not been established. If the flow requirement is 2,500 gpm or less, then it could be met by extending a new 12 inch main in NE 10th Street past the site to Harrington Avenue NE. The extension could either be from NE Sunset Boulevard (if the project precedes the mixed use development adjacent to the library). Or it could be from Sunset Lane NE, if the project occurs after the mixed use development adjacent to the library. The length of pipe required from Sunset Boulevard would be about 500 feet; from Sunset Lane NE it would be about 350 feet. (Segment C on Figure 3.17-1) It is possible that required fire flows for the PIHA site would exceed 2,500 gpm. In that situation a looped main system would be necessary. There are multiple scenarios to meet the looping requirements. Those fire flow looping scenarios depend largely on the timing and sequencing of the PISA site project; i.e. does it precede or follow other redevelopment projects contemplated for the project area. Under one scenario, if the PIHA site development precedes construction of Phase Il and III of the Sunset Terrace redevelopment looping could be achieved by extending another main (in addition to Segment C, discussed above) north on Harrington Avenue NE to Glenwood Avenue NE (Segment H on Figure 3.17-1). If PIHA site development follows Phases 11 and III of Sunset Terrace, looping could be achieved by simply connecting the PIHA main extension in NE 10th Street (Segment C) with Segment E at the intersection of Harrington Avenue NE and NE 10th Street. Under another scenario, the PIHA site development could proceed before all other projects. In that case the cost of looping would not he shared with other projects as described in the preceding paragraphs and the PIHA site project would need to install either a "long-term' or a "temporary" 12 inch diameter "stand alone" water main loop. The "long-term" alignment would be to extend a 12 -inch main in Harrington Avenue NE connecting to the existing high-pressure water line in NE Sunset Blvd. This option would result in the installation of a new water main in the section of Harrington Avenue NE that is proposed to be vacated to help create the Sunset Terrace Redevelopment Neighborhood Park. The new 12 -inch water main would be looped around the west and north side of the new PIHA site building and extended southerly in Sunset Lane NE to NE 106 Street, then southeasterly in NE 1011 Street to connect back to the existing 12 -inch line in Sunset Boulevard NE. (Segment P1 on Figure 3.17-1) This new looped water main would be able to deliver about 5,000 gpm. Planned Action ordinance 63 Attachment B: Mitigation Document ORDINANCE No. 561.0 A temporary route (which is not the preferred option) to provide 5,000 gpm to the same site would be to extend two parallel 12 -inch water lines in NE 1001 Street from the existing 12 -inch line in Sunset Boulevard NE, along with a looped water main around the west and north side of the building, and a 12 -inch line in Sunset Lane NE connecting back to the second new 12 -inch main in NE 10th Street. (Segment P2 an Figure 3.17-1) Sunset Terrace Redevelopment It is reasonable to assume that the fire flows required for the Sunset Terrace redevelopment would exceed 2,500 gpm, mandating installation of looped system. In addition, Sunset Terrace abuts NE Sunset Boulevard, triggering the requirement to install hydrants every 400 feet along that arterial. It may be possible to phase the Sunset Terrace redevelopment in a manner that would allow early elements of the redevelopment to be constructed without looping the water mains (see Edmonds - Glenwood Phase 1, above). In any case, all mains serving the redevelopment would be extended from the 565 pressure zone. Initially, a new water main would be installed in Sunset Lane NE from Harrington Avenue NE to Glenwood Avenue NF (about 750 feet). This presumes that the new main in Harrington Avenue NE discussed in the Mixed -Use Building section, above, has been installed. The existing water main in Sunset Lane NE could be abandoned in place (Segment D on Figure 3.17-1). Looping the system could be achieved by extending the main from the intersection of Sunset Lane NE and Glenwood Avenue NE along the newly aligned NE 10th Street to Harrington Avenue NE (about 250 feet) (Segment E on Figure 3.17-1). This presumes that the water main extension in NE 10th Street to serve RHA's Piha site has already be installed. There are two ways to install the required fire hydrants along NE Sunset Boulevard. One option would be to extend the 12 -inch -diameter main in NE Sunset Boulevard from Harrington Avenue NE along the Sunset Terrace frontage (about 800 feet). This would be the most expensive option. Another option would be to extend fire hydrant leads southwesterly through the Sunset Terrace project from Sunset Lane NE to NE Sunset Boulevard at the appropriate intervals (Segments F on Figure 3.17-1). This would be the least expensive option for two reasons. First, the pipes would not be installed in a street avoiding significant restoration costs. Second, the pipes could be smaller because they would be single purpose and not part of the City's transmission/distribution system. Edmonds -Glenwood Phase 2 Fire -flow requirements for the Edmonds -Glenwood Phase 2 project are expected to be about 4,000 gpm, triggering the requirement to loop the water system. There are two options to meet this looping requirement: north or south. The north option would involve extending the 12 -inch -diameter main from Phase 1 westerly through the site to Edmonds Avenue NE. From there, the main would be extended north in Edmonds Avenue NE to NE 12th Street, then east in NE 12th Street to Harrington Avenue NE, a distance of more than 1,500 feet (Segment G on Figure 3.17-1). The south option would begin in the same manner by extending the Phase 1 main through the project site. Looping would be achieved by installing two new mains. One would extend from Sunset Lane NE north in Glenwood Avenue NE to the Phase 1 pipe. The other would extend Planned Action Ordinance 64 Attachment 6: Mitigation Document ORDINANCE NO. 5610 northwesterly in easements adjacent to NE Sunset Boulevard and Edmonds Avenue NE from the northern -most fire hydrant lead installed for the Sunset Terrace project through the Phase 2 site. (A more expensive option would be to install this same section of pipe in the rights-of-way of NE Sunset Boulevard and Edmonds Avenue NE.) These loops would also comprise more than 1,500 feet of new pipe (Segment H on Figure 3.17-1). Water Main Costs The cost of installation for new water mains is driven by a number of factors. Water mains installed in roads are more expensive than water mains installed within project or open space areas, because of the cost savings of avoiding conflicting utilities and restoring the road surface. New water main costs are also affected by whether they are stand-alone or part of a suite of infrastructure improvements. If the project is only installing a new water main, then all of the excavation, bedding, installation, and other costs are borne by that project. If the project involves installation of the other underground utilities such as sewers or storm sewers, the costs common to the project can be spread across each utility facility being installed. The cost of water mains is also affected by the project sponsor. If the project is being constructed by a private developer, new water mains are less expensive. If the project is sponsored by a government agency, numerous statutes make new water main projects more expensive. The City's recent experience with stand-alone water main projects in a major arterial indicate costs per foot of about $200 to $250. Applying these costs to the water main improvement described above would indicate costs in the range of $1 to 1.2 million. The improvements would be implemented with City and developer funding. Wastewater Collection Overview The sewers within the Potential Sunset Terrace Redevelopment Subarea are also identified for replacement based on age and condition in the City's Long Range Wastewater Management Plan. Based on the increased wastewater load within the Potential Sunset Terrace Redevelopment Subarea, the local sewers may need to he replaced with upsized pipe to manage the increased wastewater load from the subarea. A more detailed discussion of needed sewer system improvements is provided below. Detailed Discussion Mitigation issues related to wastewater fall into three broad categories: upsizing, rehabilitation, and relocation. Wastewater flows (forecast for the Planned Action Study Area, including the Potential Sunset Terrace Redevelopment Subarea) indicate that some existing sewer pipes must be replaced with larger pipes. One of those pipes is in Harrington Avenue NE. This sewer pipe would be replaced by the City as part of the overall Sunset Terrace redevelopment to accommodate forecast flows. Planned Action ordinance 65 Attachment B: Mitigation Document ORDINANCE NO. 5610 Manholes along the Harrington alignment would he carefully designed and located to avoid interference with the planned park The collection sewers in Sunset Lane NE are at or near the end of their design life. The condition of these sewers would be assessed to determine if they can be rehabilitated in place or if new pipes would need to be installed. The redevelopment concept proposes narrowing and shifting the alignment of Sunset Lane NE. If this action leaves the existing sewers too close to new structures, then the City would require that a new sewer main be installed within the new right-of-way of Sunset Lane NE. Planned Action Ordinance 66 Attachment B: Mrtigation Document ORDINANCE NO. 5610 Figure 3.17-1 Fireflow Phasing --Potential Sunset Terrace Redevelopment Subarea Sunset Area Community Planned Action Final NEPA/SEPA EIS Planned Action Ordinance 67 Attachment B: Mitigation Document Form No. 14 Subdivision Guarantee Guarantee No.: NCS-512566-WA1 Ls;I GUARANTEE Issued by First American Title Insurance Company 818 Stewart Street, Suite 500, Seattle, WA 98101 Title Officer. • Nathan J. Jones Phone: (206)725-0400 FAX. (206)445-6348 First American Title Insurance Company Form No. 14 Guarantee No.: NCS-512566-WAI Subdfvlsion Guarantee (4-10-75) Page No.: 1 j .NM F.4p First American Title Insurance Company fteioeal cammerdal serwCes 818 Stewart Street, Suite 800, Seattle, WA 48101 (206)728-0400 - (800)526-7544 FAX (206)448-6348 Nathan ]ones (206)615-3047 njjones@firstam.com SUBDMSION GUARANTEE L.IABILdTY $ 3,000.00 ORDER NO.: NCS-512566-WA1 FEE $ 500.00 TAX $ 47.50 YOUR REF.: Renton School District First American Title Insurance Company a Corporation, herein called the Company Subject to the Liability Exclusions and Limitations set forth below and in Schedule A. GUARANTEES ESM Consulting Engineers, LLC herein called the Assured, against loss not exceeding the liability amount stated above which the Assured shall sustain by reason of any incorrectness in the assurances set forth in Schedule A. LIABILITY EXCLUSIONS AND LIMITATIONS 1. No guarantee is given nor liability assumed with respect to the validity, legal effect or priority of any matter shown therein. 2. The Company's liability hereunder shall be limited to the amount of actual loss sustained by the Assured because of reliance upon the assurance herein set forth, but in no event shall the Company's liability exceed the liability amount set forth above. 3. This Guarantee is restricted to the use of the Assured for the purpose of providing title evidence as may be required when subdividing land pursuant to the provisions of Chapter 58.17, R.C.W., and the local regulations and ordinances adopted pursuant to said statute. It is not to be used as a basis for closing any transaction affecting title to said property. Dated: October 28, 2011 at 7:30 A.M. FirstAmencan Tide Insurance Company Form No_ 14 Subdlvls€an Guarantee (4-10-75) SCHEDULE A The assurances referred to on the face page are: A. Title is vested in: City of Renton, a municipal corporation of the State of Washington Guarantee No,; NCS-512566-WAI Page No.. 2 B. That according to the Company's title plant records relative to the following described real property (induding those records maintained and indexed by name), there are no other documents affecting title to sald real property or any portion thereof, other than those shown below under Record Matters, The following matters are excluded from the coverage of this Guarantee: 1. Unpatented Mining Claims, reservations or exceptions in patents or in acts authorizing the issuance thereof. 2. Water rights, claims or title to water. 3. Tax Deeds to the State of Washington. 4. Documents pertaining to mineral estates. DESCRIPTION: LOT B IN BLOCK 5 OF RENTON HIGHLANDS NO. 2 CORRECTED PLAT, ACCORDING TO THE PLAT RECORDED IN VOLUME 57 OF PLATS AT PAGES 92 THROUGH 98, IN KING COUNTY, WASHINGTON; EXCEPT THE NORTHERLY 60 FEET THEREOF. APN: 722780-0145-01 First American Title Insurance Company Form No. 14 Sutdivislon Guarantee (410-75) RECORD MATTERS: 1. 2. Guarantee No.: NCS-512566-WAI Page No.: 3 Liability, if any, for pro -rata portion of Real Property taxes which are carried on the King County Tax Rolls, as tax account no. 722780-0145-01, are exempt. We note Special Charges for the year 2011 in the amount of $12.54, of which $12.54 has been paid. Balance due: $0.00. Restrictions, conditions, dedications, notes, easements and provisions, if any, as contained and/or delineated on the face of the Plat of Renton Highlands No. 2 Corrected Plat recorded in Volume 57 of Plats at Pages 92 through 98, in IGng County, Washington. Easement, including terms and provisions contained therein: Recording Information: 9206160344 In Favor of: Puget Sound Power & Light Company For: Electric transmission and/or distribution system Unrecorded leaseholds, if any, rights of vendors and security agreement on personal property and rights of tenants, and secured parties to remove trade fixtures at the expiration of the term. First American Title Insurance Company Form No. 14 Subdivrslon Guarantee (4.10-75) INFORMATIONAL NOTES E. General taxes for the year 2011 which have been paid. Tax Account No. 722780-0145-01 Amount: $12.54 Assessed Land Value: $675,900.00 Assessed Improvement Value; $112,600.00 Guarantee No.: NCS-512566-WAL Page No.: 4 A. Any sketch attached hereto is done so as a courtesy only and is not part of any title commitment or policy. It is furnished solely for the purpose of assisting in locating the premises and First American expressly disclaims any liability which may result from reliance made upon it. First American Title Insurance Company Form No. 14 Guarantee No.: NCS-512566-WA1 Subdivision Guarantee (41D-75) Page No.: 5 SCHEDULE OF EXCLUSIONS FROM COVERAGE OF THIS GUARANTEE 1. Except to the extent that spedfic assurance are provided in this Guarantee, the Company assumes no liability for loss or damage by reason of the following: (a) Defects, liens, encumbrances, adverse claims or other matters against the title, whether or not shown by the public records. (b) (1) Taxes or assessments of any taxing authority that levies taxes or assessments on real property; or, (2) proceedings by a public agency which may result In taxes or assessmertts, or notices of such proceedings, whether or not the matters excluded under (1) or (2) are shown by the records of the taxing authority or by the public records. (c) (1) Unpatented mining claims; (2) reservations or exceptions In patents or in Ads authorizing the issuance thereof; (3) water rights, claims or title to water, whether or not the matters excluded under (1), (2) or (3) are shown by the public records. 2. Notwithstanding any specific assurances which are provided In this Guarantee, the Company assumes no lability for less or damage by reason of the following: (a) Defects, liens, encumbrances, adverse dalms or outer matters affecting the lithe to any property beyond the lines of the land expressly described in this Guarantee, or title to streets, roads, avenues, lanes, ways or waterways to which such land abuts, or the right to maintain therein vaults, tunnels, ramps, or any structure or improvements; or any rights or easements therein, unless such property, rights or easements are expressly and specificalty set forth in said description. (b) Defects, liens, encumbrances, adverse claims or other matters, whether or not shown by the public records; (1) which are created, suffered, assumed or agreed to by one or more of the Assureds; (2) which result in no loss to the Assured; or (3) which do not result in the invalidity or potential invalidity of arry judicial or non-judiciai proceeding which is within the scope and purpose of the assurances provided. (c) The identity of any party shown or referred to in this Guarantee. (d) The validity, legal effect or priority of any matter shown or referred to in this Guarantee. GUARANTEE CONDITIONS AND STIPULATIONS I. DeNnition of Terris. The following terms when used in the Guarantee mean: (a) the "Asured": the party or parties named as the Assured In this Guarantee, or on a supplemental writing executed by the Company. (b) 'land': the land described or referred to in this Guarantee, and improvements affixed thereto which by law constitute real property. The term "land" does not Include any property beyond the Ines of the area described or referred to in this Guarantee, nor any right, tide, Interest, estate Or easement in abutting streets, roads, avenues, alleys, lanes, ways Or waterways. (c) "mortgage": mortgage, deed of trust, trust deed, or other security Iutrument. (d) "public records" : records established under state statutes at Date of Guarantee for the purpose of Imparting constructive notice of matters reladN to real property to purchasers for value and without knowledge. (e) "date": the effective date. L Notice of Claim to be Given by Assured Claimant. An Assured shall notify the Company promptly In writing In case knowledge shall corse to an Assured hereunder of any claim of tide or Interest which is adverse to the title to the estate Or interest, as stated herein, and which might cause los or damage for which the Company may be liable by virtue of this Guarantee. If prompt notice shaft not be given to the Company, then all liability of the Company shall terminate with regard to the matter or matters for which prompt notice Is required; provided, however, that failure to notify the Company shall In no case prejudice the rights of any Assured under this Guarantee unless the Company shall be prejudiced by the failure and then only to the extent of the prejudice, 3. No Duty bo Defend or Prosecthe. The Company shall have no duty to defend or prosecute any action or proceeding to which the Assured Is a party, notwithstanding the nature of any allegation in such action or proceeding, 4. Company's Option to Defend or Prosecute Actions; Duty of Assured Claimant to Cooperate. Even though the Company has no duty to defend or prosecute as set forth in Paragraph 3 above: (a) The Company shall have the right, at Its sole option and cost, to Institute and prosecute any action or proceeding, interpose a defense, as limited in (b), or to do arty other act which in its opnion may be necessary or desirable to establish the title to the estate or Interest as stated herein, or to establish the lien rights of the Assured, or to prevent or reduce loss or damage to the Assured. The Company may take any appropriate action under the terms of this Guarantee, whether or not it shall be liable hereunder, and shall not thereby concede liability or waive any provision of this Guarantee. If the Company shall exercise its rights under this paragraph, it shall do so diligently. (b) If the Company elects to exercise Its options as stag In paragraph 4(a) the Company shall have the right to select counsel of Its choice (subject to the right of such Assured to object for reasonable rause) to represent the Assured and shall not be liable for and will not pay the fees of any other counsel, nor will the Company pay any fees, costs or expenses Incurred by an Assured In the defense of those Causes of action which allege matters not covered by this Guarantee. (c) Whenever the Company shall have Nought an action or Interposed a defense as permitted by the provisions of this Guarantee, the Company may pursue any litigation to final detettnlnatlon by a court of competent jurisdiction and expressly reserves the right in Its sole discretion, to appeal from an adverse judgment or order. (d) In all cases where this Guarantee penrffm the Company to prosecute or provide for the defense of any action or proceeding, an Assured shall secure to the Company the right to so prosecute or provide for the defense of any action or proceeding, and all appeals therein, and permit the Company to use, at its option, the name of such Assured for this purpose, Whenever requested by the Company, an Assured, at the Company's expense, shall give the Company all reasonable aid in any action or proceeding, securing evidence, obtaining witnesses, prosecuting or defending the action or lawful act which In the opinion of the Company may be necessary or desirable to establish the title to the estate or Interest as stated herein, or to establish the Igen rights of the Assured. If the Company Is prejudiced by the failure of the Assured to furnish the required cooperation, the Company's obligations to the Assured under the Guarantee shall terminate. S. Proof of Loss or Damage. In addition to and after the notices required under Section 2 of these Conditions and Stipulations have been provided to the Company, a proof of loss or damage signed and swam to by the Assured shag be furnished to the Company w€tttln ninety (90) days after due Assured shall ascertain the facts giving rise to the loss or damage. The proof of loss or damage shall describe the matters covered by this Guarantee which constitute the basis of loss or damage and shall state, to the extent possible, the basis of calculating the amount of the loss or damage. If the Company is prejudiced by the failure of the Assured to provide the required proof of loss or damage, the Company's obligation to such Assured under the Guarantee shall terminate. In addition, the Assured may reasonably be required to submit to examination under oath by any authorized representative of the Company and shall produce for examination, Inspection and copying, at such reasonable times and places as may be designated by any authorized representative of the Company, all records, books, ledgers, checks, correspondence and memoranda, whether bearing a date before or after Date of Guarantee, which reasonably pertain to the loss or damage. Further, if requested by any authorized representative of the Company, the Assured shall grant its permission, in writing, for any authorized representative of the Company to examine, inspect and copy aft recorder books, ledgers, check, correspondence and memoranda in the custody or control of a third party, which reasonably pertain to the Loss or Damage. All Information designated as confidential by the Assured provided to the Company, pursuant to this Section shall not be disclosed to others unless, in the reasonable judgment of the Company, It Is necessary in the administration of the claim. Failure of the Assured to submit for examination under oath, produce other reasonably requested Information or grant permission to secure reasonably necessary Information from third parties as required in the above paragraph, unless prohibited by law or governmental regulation, shall terminate any liability of the Company under this Guarantee to the Assured for that claim. Firm No. 1282 (11m. 12/15!95) First American Tide Insurance Company 6. Options to Pay or Otherwise Settle Claims: Termination of Liability. In case of a claim under this Guarantee, the Company shall have the following additional options: (a) To Pay or Tender Payment of the Amount of Liability or to Purchase the Indebtedness. The Company shall have the option to pay or settle or compromise for or in the name of the Assured any claim which could result in loss to the Assured within the coverage of this Guarantee, or to pay the full amount of this Guarantee or, If this Guarantee Is Issued for the benefit of a holder of a mortgage or a Ilenholder, the Company shall have the option to purchase the Indebtedness secured by said mortgage or said lien for the amount owing thereon, together with any costs, reasonable attorneys' fees and expenses Incurred by the Assured claimant which were authorized by the Company up to the time of purchase. Such purchase, payment or tender of payment of the full amount of the Guarantee shall terminate ail liability of the Company hereunder. In the event after notice of claim has been given to the Company try the Assured the Company offers to purchase said indebtedness, the owner of such indebtedness shall transfer and assign said indebtedness, together with any collateral security, to the Company upon payment of the purchase price. Upon the exercise by the Company of the option provided for in Paragraph (a) the Company's obligation to the Assured under this Guarantee for the claimed los or damage, other than to make the payment required in that paragraph, shell terminate, Including any obligation to continue the defense or prosecudon of any litigation for which the Company has exercised its options under Paragraph 4, and the Guarantee shall be surrendered to the Company for cancellation. (b) To Pay or Otherwise Settle Nth Parties Other Than the Assured or WO the Assured Claimant. To pay or otherwise settle with other parties for or in the name of an Assured claimant any daim Assured against under this Guarantee, together with any costs, attorneys' fees and expenses Incurred by the Assured claimant which were authorized by the Company up to the time of payment and which the Company is obligated to pay. Upon the exercise by the Company of the option provided for in Paragraph (b) the Company's obligation to the Assured under this Guarantee for the claimed loss or damage, other than to make the payment required In that paragraph, shall terminate, including any obligation to continue the defense or prosecution of any litigation for which the Company has exercised its options under Paragraph 4. 7. Determination and Extent of Liability. This Guarantee is a contract of Indemnity against actual monetary los or damage sustained or incurred by the Assured claimant who has suffered loss or damage by reason of reliance upon the assurances set forth In this Guarantee and only to the extent herein described, and subject to the Exclusions From Coverage of This Guarantee. The III of the Company under this Guarantee to ft Assured shall not exceed the least of; (a) the amount of liability stated in this Guarantee; (b) the amount of the unpaid principal indebtedness secured by the mortgage of an Assured mortgagee, as limited or provided under Section 6 of these Conditions and Stipulabons or as reduced under Section 9 of these Conditions and Stipulations, at the time the los or damage Assured against by this Guarantee occurs, together with interest thereon; or (c) the difference between the value of the estate or Interest covered hereby as stated herein and the value of the estate or Interest subject to any defect, lien or encumbrance Assured against by this Guarantee. B. Llmitation of Liability. (a) If the Company establishes the title, or removes the alleged defect, lien or encumbrance, or cures any other matter Assured against by this Guarantee In a reasonably diligent manner by arry method, Including litigation and the completion of any appeals therefrom, it shall have fully performed its obligations with respect to that matter and shall not be liable for any loss or damage caused thereby. (b) In the event of any litigation by the Company or with the Company's consent, the Company shall have no liability for loss or damage until there has been a final determination by a court of competent jurisdiction, and disposition of all appeals therefrom, adverse to the title, as stated herein, (c) The Company shall not be liable For loss or damage to any Assured for liability voluntarily assumed by the Assured in settling any claim or suit without the prior written consent of the Company. 9. Reduction of Liability or Termination of Liability. All payments under this Guarantee, except payments made for costs, attorneys' fees and expenses pursuant to Paragraph 4 shall reduce the amount of liabiriy pro tanto. 10. Payment of toss. (a) No payment shall be made without producing this Guarantee for endorsement of the payment unless the Guarantee has been lost or destroyed, in which case proof of loss or destruction shall be Furnished to the satisfaction of the Company. (b) When liability and the extent of loss or damage has been definitely fixed In accordance with these Conditions and Stipulations, the loss or damage shall be payable within thirty (30) days thereafter. 11. Subrogation Upon Payment or Settlement. Whenever the Company shall have settled and paid a claim under this Guarantee, all right of subrogation shall vest in the Company unaFfeced by any ac of the Assured claimant. The Company shat) be subrogated to and be entitled to all rights and remedies which the Assured would have had against any person or property in respect to the claim had this Guarantee not been Issued. If requested by the Company, the Assured shall transfer to the Company ail rights and remedies against any person or property necessary in order to perfect this right of subrogation. The Assured shalr permit the Company to sue, compromise or settle in the name of the Assured and to use the name of the Assured in any transaction or litigation involving these rights or remedies. If a payment an account of a claim does not fully cover the loss of the Assured the Company shall be subrogated to all rights and remedies of the Assured after the Assured shall have recovered Its principal, Interest, and costs of collection. 12. Arbitration. Unless prohibited by applicable law, either the Company or the Assured may demand arbitration pursuarrt to the Title Iruurance Arbitration Rules of the American Arbitration Association. Arbitrable matters may Include, but are not Ilmited to, any controversy or dalm between the Company and the Assured arising out of or relarmg to this Guarantee, any service of the Company In connection with its Issuance or the breach of a Guarantee provision or other obligation. All arbitrable matters when the Amount of Liabifrty is $1,000,000 or less shall be arbitrated at the option of either the Company or the Assured. All arbitrable matters when the amount of liability is in excess of $1,000,000 shall be arbitrated only when agreed to by both the Company and the Assured. The Rules in effect at Date of Guarantee shall be binding upon the parties. The award may Include attorneys' fees only If the laws of the state in which the land is located permits a court to award attorneys' fees to a prevailing party. Judgment upon the award rendered by the Arbitrator(s) may be entered in any court having jurisdiction thereof. The law of the situs of the land shall apply to an arbitration under the Title Insurance Arbitration Rules. A copy of the Rules may be obtained From the Company upon request 13. Liability Limited to This Guarantee; Guarantee Entire Contract. (a) This Guarantee together with all endorsements, if any, attached hereto by the Company Is the entire Guarantee and contract between the Assured and the Company. In interpreting any provision of this Guarantee, this Guarantee shall be construed as a whole. (b) Any claim of loss or damage, whether or not based on negligence, or any action asserting such claim, shall be restricted to this Guarantee. (c) No amendment of or endorsement to this Guarantee can be made except by a writing endorsed hereon or attached hereto signed by either the President, a Vice President, the Secretary, an Assistant Secretary, or validating officer or authorized signatory of the Company. 14. Notices, Where Sent. All notices required to be given the Company and any statement In writing requked to be Furnished the Company shall Include the number of this Guarantee and shall be addressed to the Company at 2 First American Way. Bldg, 2, Santa Ana, CA. 92707. ftxm No. 1282 (mer. w15/45) First American Title Insurance Company -DBW or %1DICATION THU nmimmim, made this 11th •- day at "M 19580 AA*rl—o&. set 1�17 ,=IAS t a United athteiiI ujdar and between -W . X-116 Housim. n. 0 "d.gonj rimenme ftencTo drilt Gontained �n utio provislorw 71rS11aZt t� the p"&" and BUM 4 21L) am: mftiwidAd. end ;.q of tha Tgmhm Act (54 Stat- 11 U. 19� 12 F.H. a va4mtfilri 1 Ltd, the itox%knization. PISA Noo� 3 of toA 07 city of HoUtono 0 Tmmiuipal CorporatiOR"Of 6f:www:dmKO Grantees, 7b&IOF" t the w&jd:Gjojitorm b7 tagae,proebmtsilabev'bir4br at-.' to the (Irentgo far public ASO for j&OD161p,214 pqL�"OM 0 th mato jng being 1, the m 4f o! itedtbn.'oot7 et ' XingP . argal of land ]�F goats 01 We. ablIkSton more , partioulArIT . doffiqrjbad ss rollowa, I TraO05'8" of Block 5. 13orreated Plat of If*. 2, In 016111tiOn -td tW t f pAntont as rgcordod-on August 8* I a v 1 57 of Plats, PMOO 92 to. 19-1 In,0 e, Raoordb of the County of -Stat.' of lramDlngton- SUBJEG? TO tbAt ortmLn.,jqmLe* dated the 3r4 der of.ALijtuz-.t" 195 between t" jtoma",Autharitv " of thb City of, Renton, vAshington, Tricor, leave Nei eamigmA. to -Aak* Grantor :is of the aTese . mpiir ad t1ile - Elipatie 'Airplane. Obiltmony, &-aiwee ELI it beU4 ligi-66d 49L49.. arditO4 that the 'GrajitoT; will- receive CM w*jI�ly`r6ntm1- the -Zmsxi*4- u6itz- . : a 061.4 'lease 1 vib4d, pro =Vt To ZATZ An TO t!xO- fW 06:rmg d4%3 V,t ther with t6m &ml snags, unto: ASS A. thfil: ub� ji,--mads --'&W joovpted eaiM am RbWr=, %h' - . d anaigns, tM'V' J . idilab� ak�al be' Vindim 4pou . the follbIM4 dd , ndition a ai-;, uooe smora. and 00 941nm,. upon gnil ihn az�anb and each of them 68 fAllaWS1 'azpericid 6f- %on-flO) 70 are twicit jul; jly l961, or ''+Jje -date-the- KbOWD- r*" fer"d .to 16aff ' S IN t6rDLiDKt*dJ* vhlokaver":- data le.tha 0oomIj r, - the.above daeorlbod rQpojity herein *onyard, shall belutluxod P, - " continuously for public u4i'<630alaipal aF1.1 , " I v paryomiese, and for no o,th Purpa ent of i broach of L tjifj ondit on sab Mf r In the y iAOLI or $aid Opiates, Its ..'.'�4hat�hsr cathed 1) mlgm-, ,.:to perform the obligation barelm"obt forth* all juaceiscro or am aImd�iotisremt in and to the above 4ggarjj)ad property title ,or the ih-11#. RV.V44 c?ptk=,.iMT&rt to propertyoth4p rel"4108 Stiteg 'Of'"4elidg, vhLou"Indaddition to al United h, shall tovs an tat& rl t of antITAkerem Lfur juabL breac th. or an1l'the said Grantee, its suceem earn or ame Vim, shall -f felt all -and Int40ramt-In and to the above- dawaribod property and In any and SAI ven4ments, h*3mditwwnts and OpPO"OnADOOR thOr" auto belonging' .37 WUM18 Wdmp, and parmuhat to the POWOrg End authority ,aj�.&taa by the Public Fou I 00matgalmor, the arjmtolt has oatAesd a -in its name b7 tbAss yresents to be W.;4autca 4. 0. v WILLO JUL 10185$ ti _. _ ... ; .,�zr -:°�' ;' � -� ><, rra!� • � �"i!!'xr.`-'. ,'�°"�N a�fi""F',yc�q�'-�''ri"'y • ..,, , ,. 7 - • ,., .•,...t.........- .-•-0�x�. ., .lir �{i �_• `�''•': rYi ��• ti_•�i� �v��yS t_' . r'i '" x. S y 5� t'p'�. s' � ' "� pkaa '1'' - -. - SL�. '• .:�: � -ems '-. anal-Dllreabor, gas Frasaoisso. d1eg�;#�al; Ortias� ,P�sblla ". Wit 18■Siiletri'tion� 1Wwsins 'acrd 8omraue�s��,. and' rb�i : ' ■aai' ahs Ti�41ly llayftsig AdmU stralSau 4o b� l liaAie'iflii" a dd US day and rar first; -above tsrittresi. r`'` IAN s . F idG �IfI1P is '7 Aan!Fraaa Meo 1 toIR bkg and . . � :r ��k,• .fir, ...: _ " .: STax Or CITY AIW C tNTx..O FIR rINOXWG) bhladaT'ror 145a a:rbir:- W$-. a ' aotary'103.1a ter tT psrrona]17 ap arsd'' • �•9ILL1 }ImsiMa"t4wm� tie'�bi' .. Ir'. ,' .4i1a• gigpo ea aoa. iinb+Raglop#1�,Orlei ., '`'-. of a-oysaing Oisinlrbration S�pi�e�`sadl![oAaA t, = aiaeaap, an. 7 'ot. tba tlnibi4-babes oT ark�Ylgro to. do to b...tWj* parson who eaaoritad Ahe : rithitL , iasta '. bn bahW.o! aa16 NOUNIMS'. and Iloaa'li�igaaee Assnor,,` SYS `loy;-Los �• - •A,dmltsisb'ratioa •+asiohNo+onl6aa'�;raids,niarugrnt..d���b.S��il,'.:'• off` tiha Unit.d.'�{tatoa': or..Amsrisa_%__ d aa�maarxlaW aee.,e id3at• • ''�• _ •• � � hs.'sisbsarlba'd • io aiid 'issati��•�.11� t'�iq�a:�ct. sai4 `Gsiide4' pOwOas .'. -or AAAriaa;'tha::udis or-taft" �sg -ss� ftAWLro ':;i�4 7; -. - • : `''_ Publid '8aasiej idsriaistrFioa7ball, o "aiid �4saibi$; `�ttbsii : bt; `Ahlria ifiVi nd -N& r a*%m;;wli ftoA to - As MOW a aid ' W " - ;btatrAs of ""rias ixsaateui" d.theo'gild' lat9rt. i ,. . • . •2 •�• ..�' i- .: : •,":.:. ..;,; : -. •`y �• '; ,'-• ,�-'.` ref r• �e."_& X -H VYCI®99 •+ 1' haTi bsri�ba%sat 1rY�Vhotdtand tf,.=d' myr -ats loial.tiAai2 the-.dayr and Tirr�:lis :'�iiB<a& iiletta'�liratr..- - pbaia .Mritbiii: =..�1 . 4•.-. .w, • - 7 :. ,7r • � � 7: .,, Not A �', t ''' -•: ,i ?.4. city' Mote,'a�id. Qai4�•1 ':Gfr �aC�.'}3• 6�%aa�, -+Y 2 � aba. gT'Caitoiaia IP. '? r "y,00amataAxaa +#pii�eai 5 ,'• ,'f. i:, r■ `4ki!. �'k .i"..i.,.a':s -J:y^: .,74: ._.h,7.X. :, r'y#K+4 ��� h .i.., .•i'��i�L�.�'1` � �r I. 0 ,1: Branch-FAK,User :AG_AR Order: 512566T ORIGINAL. p�/rvEp EASEMENT For and in consideration of One Dollar (S 1.40) and other valuable consideration, the receipt of which is hereby acknowledged. CITY QE MENTON (-Grantor- herein). hereby grants. conveys and warrants to PUGET SOUND POWER & LIGHT COMPANY, a Washington corporation (-Qr;intee" herein), for the purpmts hereinafter set forth, a perpetual casement oVcr. across and under the following described real property (the 'Property- herein) in K f np County. Washington: Lot 5, Tract B. Renton Highlands corrected Plat No. 2; less the northerly 60 feet, r-�:..rD i=^R I;ECORD AT REQUEST. OF=:. 1% rXCISE TAX NOT REQUIRED RU-. i YE -D IVIS ON King 0 ecords ow'St611 PUGET POµJEn BLDG. SY Deputy bELLEV61E. WASHINGTON 98009 ATTENTION: ELIZABETH HOWL.AND Exccpt as may he othrrwise set forth herein Grantee's rights shall be exercised upon that portion of the Property (the "Right -of -Way" herein) described as follows;- ,q-Rtgha Vf.NV---------- feet'irrwidthfisring-feetOf-uch widtirntreirc#t aide q::r of arertteriincdcsrribed ar foilyMm- rQr The South 80 feet of the East 80 feet of the above described property C for replacement of an existing pole. C.a tr+i G 1.. Purpose. Grantee shall have the right to construct, operate, maintain. repair. replace and enlarge one or more rlccttic- transmission and/or distribution fines over and/or under the Right -of -Way together with all necessary or _coay-eriirfti appurtenances thereto, which may include but are not limited to the following: 'o. Overhead faelUlles. Palcs andl or towers with cfossarms, brat#, guys and anchors• electric transmission and disiribtltion lines: communication and signal lines; transformers. b.t-Underground facilities. Underground conduits. cables• vaults, manholes, switches and trnrlsrOirncrs: setni- I;aq d or ground mounted facilities such as pads, transformers and switches. Frijia'vting the initial construction of its facilitica. Grantcc may from time to time construct such additional lines and 'Iheriacilitics as it may require. "- 2. Access, Grantee shall have the right ofaceess to the R ight-or-Way over and across the Property to enable G ranite to 8 exercise itnillitshereunder,provided. thatGrantccsliaticompensateGrantorforanydamagetoihePropertycausedbythe exercise of said right of access- - 3. Cutting orTrea. G ramet shall have the right to cul or trim any and all brush or trees standing or growing upon the Right -of -Way, a nd also the right to cut or trim any trccs upon the Property which, in falling, could, in Grantee's reasonable judgcmrnt, be a hazard to Grantee's facilities_ 4. Grantor's use of nighi-of-Way. Grantor reserves the right louse the Right -of -Way for any purpose not inconsistent x with the rights hereingrartted,provided, that Grantorshnil not construct ormnintainany building or other structure on the Right -of -Way and Grantor shall do no blasting within 300 feel oft rantcc's facilities without Grantee's prior written consent. a 5. Ind eninfly. By aCcepLi ng and recording this casement, Grantee agrees to indemnify and hold harmless Grisnaor from "�- any and all claims for injuries and/or damages suffered byany person which may becaused by the Grantee's exercise of the rights herein granted: provided. that Granlre shall not he responsible to Grantor for any injuries and? or damages to any person caused by acts or omissions of Grantor - 6. Abandanutenr. The rights herein granted shall continue until such time as Grantee ceases to use the Right-nf-Way for a period or fivc(5y successive ycats, in which event this easement shall terminate and al! rights hereunder shall revert to v, Grnnt or, provided, t hat no abandonment shall be deemed to have occurred by reason of Grantee's failure to initially install its facilities an the Right -of -N -way within any period or time from the date hereof. 7U.3* 2++ R-3260 9102514 KJ/AC041 235-15 KING, WA Document:EAS 1992.06160344 Printed on: 11/2/2011 6.52 AM Station ID :DPQY - -x Page:1 of 2 1 Branch :FAK,User :AGAR Order: 512566T y Station ID :DPQY i 7. Suetrasoe end AWgm. The right+ end obligations of the parties shall inure to the benefit of and be binding upon their respective aneeemara and assigns. _ DATED this ` day of 19 92—. GRANTOR CITY QF R TON By Sam Chastain. Yorks and Recreation Director All, Q STATE OF WASHINGTON ) ) C) L9S. o COUNTY OF KING ) On this 21,20, day of , 1992, before me, the U undersigned, a Notary Public in and €or the State Of Washington. ¢� duly commissioned and sworn, personally appeared-�QGy,.J and - to me known to be of the CITY OF RENTOM, a Municipal Corporation that executed thg foregoing instrument, and acknowledged said instrument to be the free and voluntary act and deed of said partnership for the uses and purposes therein mentioned. WITNESS my hand and official seal hereto affixed the day and year in this certificate above written. Notary Yu 1c n an or thetate of Washingto , residing at My Commission Expires 1e DC 3512 KING, WA Document:EAS 1992.06160344 Printed on:11/2/2011 6:52 AM Page:2 of 2 a om w r N,e� Ss �uL�9\ h b `fir w' y� L IK ee ! F a a o 0 lk �d \�s �y•ti e 91 El Form No. 14 Subdivision Guarantee Guarantee No.: NCS-462326-WAI .;d T'E".� 2 0 LUjji GUARANTEE Issued by First American Title Insurance company 818 Stewart Street, Suite 800, Seattle, WA 98101 Title Officer.- Jeffrey Illman Phone: (206)728-0400 FAX.- (206)448-6348 First American Title Insurance Company Form No. 14 Subdivision Guarantee (4-10-75) LIABILITY FEE Guarantee No.: NCS-462326-WAl Page No.: 1 First American Title Insurance Company sawjcm 818 Stewart Street, Suite 800, Seattle, WA 98101 (206)728-0400 - (800)526-7544 FAX (206)448-6348 $ 3,000.00 SUBDIVISION GUARANTEE ORDER NO.: NCS-462326-WAI $ 500.00 TAX $ 47.50 YOUR REF.: First American Title Insurance Company a Corporation, herein called the Company Subject to the Liability Exclusions and Limitations set forth below and in Schedule A. GUARANTEES ESM Consulting Engineers, LLC Hill Crest herein called the Assured, against loss not exceeding the liability amount stated above which the Assured shall sustain by reason of any incorrectness in the assurances set forth in Schedule A. LIABILITY EXCLUSIONS AND LIMITATIONS 1. No guarantee is given nor liability assumed with respect to the validity, legal effect or priority of 'any matter shown therein. 2. The Company's liability hereunder shall be limited to the amount of actual loss sustained by the Assured because of reliance upon the assurance herein set forth, but in no event shall the Company's liability exceed the liability amount set forth above. 3. This Guarantee is restricted to the use of the Assured for the purpose of providing title evidence as may be required when subdividing land pursuant to the provisions of Chapter 58.17, R.C.W., and the local regulations and ordinances adopted pursuant to said statute. It is not to be used as a basis for closing any transaction affecting title to said property. Dated: November 09, 2010 at 7:30 A.M. First American Title Insurance Company Form No. 14 Subdivision Guarantee (4-10-75) SCHEDULE A The assurances referred to on the face page are: A. Title is vested in: Guarantee No.: NCS-462326-WA1 Page No.: 2 Renton School District No. 403, a political subdivision of the State of Washington B. That according to the Company's title plant records relative to the following described real property (including those records maintained and indexed by name), there are no other documents affecting title to said real property or any portion thereof, other than those shown below under Record Matters. The following matters are excluded from the coverage of this Guarantee: 1. Unpatented Mining Claims, reservations or exceptions in patents or in acts authorizing the issuance thereof. 2. Water rights, claims or title to water. 3. Tax Deeds to the State of Washington. 4, Documents pertaining to mineral estates. DESCRIPTION: Parcel I: Tract A, Block 5, Renton Highlands No. 2, Corrected Plat recorded in Volume 57 of Plats, Pages 92 to 98, inclusive, records of King County, Washington, LESS that portion lying Easterly of a line beginning at the Northwest corner of Tract B of said plat; thence North 04141'00 East to the Northerly line of Tract A. Parcel II: Tract C, Block 5, Renton Highlands No. 2, Corrected Plat recorded in Volume 57 of Plats, Pages 92 to 98, inclusive, records of King County, Washington, LESS that portion lying Easterly of a line beginning at the Northwest corner of Tract B of said plat; thence North 04041'00 East to the Northerly line of Tract C. APN: 722780-0135-03 APN: 722780-0155-08 First American Title Insurance Company Form No. 14 Subdivision Guarantee (4-10-75) RECORD MATTERS: a 3. 4. 6. 7. Guarantee No.: NCS-462326-WA1 Page No.: 3 Lien of the Real Estate Excise Sales Tax and Surcharge upon any sale of said premises, if unpaid. As of the date herein, the excise tax rate for the City of Renton is at 1.78%. Levy/Area Code: 2100 For all transactions recorded on or after July 1, 2005: • A fee of $10.00 will be charged on all exempt transactions; • A fee of $5.00 will be charged on all taxable transactions in addition to the excise tax due. Liability, if any, for pro -rata portion of Real Property taxes which are carried on the King County Tax Rolls, as tax account no. 722780-0135-03, are exempt. We note Special Charges for the year 2010 in the amount of $13.00, of which $13.00 has been paid. Balance due: $00.00. (Affects Parcel I) Liability, if any, for pro -rata portion of Real Property taxes which are carried on the King County Tax Rolls, as tax account no. 722780-0155-08, are exempt. We note Special Charges for the year 2010 in the amount of $12.24, of which $12.24 has been paid. Balance due: $00.00. (Affects Parcel II) City liens if any of the City of Renton Restrictions, conditions, dedications, notes, easements and provisions, if any, as contained and/or delineated on the face of the Corrected Plat of Renton Highlands No. 2 recorded in Volume 57, Page 92, in King County, Washington. Easement, including terms and provisions contained therein: Recording Information: March 4, 1965, Recorders No. 5852489 In Favor of: For: the City of Renton utilities The effect if any of quitclaim deed from Secretary of of Housing and Urban Development to the City of Renton, recorded April 4, 1966, Recorders No. 6009513, as to all playgrounds, parks, public use and service areas, alleys, streets and avenues. 8. Easement, including terms and provisions contained therein: Recording Information: October 4, 1967, Recorders No. 6244518 In Favor of: The City of Renton For: right of way First American Title insurance Company Form No. 14 Guarantee No.: NCS -462326 -WAS Subdivision Guarantee (4-10-75) Page No_: 4 9. Easement, including terms and provisions contained therein: Recording Information: September 26, 2005, Recorders No. 20050926003394 In Favor of: Puget Sound Energy, Inc. For: gas and electric utility systems 10. Easement, including terms and provisions contained therein: Recording Information: April 16, 2007, Recorders No. 20070416000702 In Favor of: City of Renton For: waterline 11. Unrecorded leaseholds, if any, rights of vendors and security agreement on personal property and rights of tenants, and secured parties to remove trade fixtures at the expiration of the term. INFORMATIONAL NOTES A. Any sketch attached hereto is done so as a courtesy only and is not part of any title commitment or policy, It is furnished solely for the purpose of assisting in locating the premises and First American expressly disclaims any liability which may result from reliance made upon it. First American Title Insurance Company Form No. 14 Guarantee No.: NCS-462326-WAt Subdivision Guarantee (4-14-75) Page No.: 5 SCHEDULE OF EXCLUSIONS FROM COVERAGE OF THIS GUARANTEE 1. Except to the extent that specific assurance are provided in Schedule A of this Guarantee, the Company assumes no liability for loss or damage by reason of the following: (a) Defects, liens, encumbrances, adverse claims or other matters against the title, whether or not shown by the public records. (b) (1) Taxes or assessments of any taxing authority that levies taxes or assessments on real property; or, (2) Proceedings by a public agency which may result m taxes or assessments, or notices of such proceedings, whether or not the matters excluded under (1) or (2) are shown by the records of the taxing authority or by the public records. (c) (1) Unpatented mining daims; (2) reservations or exceptions in patents or in Acts authorizing the issuance thereof; (3) water rights, claims or title to water, whether or not the matters excluded under (1), (2) or (3) are shown by the public records. 2. Notwithstanding any specific assurances which are provided in Schedule A of this Guarantee, the Company assumes no liability for loss or damage by reason of the following: (a) Defects, liens, encumbrances, adverse claims or other matters affecting the title to any property beyond the lines of the land expressly described in the description set forth in Schedule (A), (C) or in Part 2 of this Guarantee, or title to streets, roads, avenues, lanes, ways or waterways to which such land abuts, or the right to maintain therein vaults, tunnels, ramps, or any structure or improvements; or any rights or easements therein, unless such property, rights or easements are expressly and specifically set forth in said description. (b) Defects, liens, encumbrances, adverse claims or other matters, whether or not shown by the public records; (1) which are created, suffered, assumed or agreed to by one or more of the Assureds; (2) which result in no loss to the Assured; or (3) which do not result in the invalidity or potential invalidity of any judicial or non -judicial proceeding which is within the scope and purpose of the assurances provided. (c) The identity of any party shown or referred to in Schedule A. (d) The validity, legal effect or priority of any matter shown or referred to in this Guarantee. GUARANTEE CONDITIONS AND STIPULATIONS 1. Definition of Terms. The following terms when used in the Guarantee mean: (a) the "Assured": the party or parties named as the Assured in this Guarantee, or on a supplemental writing executed by the Company. (b) "land": the land described or referred to in Schedule (A) (C) or in Part 2, and improvements affixed thereto which by law constitute real property. The term "land" does not include any property beyond the lines of the area described or referred to in Schedule (A) (C) or in Part 2, nor any right, tide, interest, estate or easement in abutting streets, roads, avenues, alleys, lanes, ways or waterways. (c) "mortgage mortgage, deed of trust, trust deed, or other security instrument. (d) "public records" : records established under state statutes at Date of Guarantee for the purpose of imparting constructive notice of matters relating to real property to purchasers for value and without knowledge_ (e) "date": the effective date. 2. Notice of Claim to be Given by Assured Claimant. An Assured shall notify the Company promptly in writing in case knowledge shall come to an Assured hereunder of any claim of title or interest which Is adverse to the title to the estate or interest, as stated hereinr and which might cause loss or damage for whic1h the Company may be liable by virtue of this Guarantee. If prompt notice shall not be given to the Company, then all liability of the Company shall terminate with regard to the matter or matters for which prompt notice is required; provided, however, that failure to notify the Company shall in no ease prejudice the rights of any Assured under this Guarantee unless the Company shall be prejudiced by the failure and then only to the extent of the prejudice. 3. No Duty to Defend or Prosecute. The Company shall have no duty to defend or prosecute any action or proceeding to which the Assured is a party, notwithstanding the nature of any allegation in such action or proceeding. 4. Company's Option to Defend or Prosecute Actions; Duty of Assured Claimant to Cooperate. Even though the Company has no duty to defend or prosecute as set forth in Paragraph 3 above: (a) The Company shall have the right, at its sole option and cost, to institute and prosecute any action or proceeding, interpose a defense, as limited In (b), or to do any other act which in its opinion may be necessary or desirable to establish the title to the estate or interest as stated herein, or to establish the lien rights of the Assured, or to prevent or reduce loss or damage to the Assured. The Company may take any appropriate action under the terms of this Guarantee, whether or not it shall be liable hereunder, and shall not thereby concede liability or waive any provision of this Guarantee. If the Company shall exercise its rights under this paragraph, it shall do so diligently. (b) If the Company elects to exercise its options as stated in Paragraph 4(a) the Company shall have the right to select counsel of its choice (subject to the right of such Assured to object for reasonable cause) to represent the Assured and shall not be liable for and will not pay the fees of any other counsel, nor will the Company pay any fees, costs or expenses incurred by an Assured in the defense of those causes of action which allege matters not covered by this Guarantee. (c) Whenever the Company shall have brought an action or interposed a defense as permitted by the provisions of this Guarantee, the Company may pursue any litigation to final determination by a court of competent jurisdiction and expressly reserves the right, in its sole discretion, to appeal from an adverse judgment or order. (d) In all cases where this Guarantee permits the Company to prosecute or provide for the defense of any action or proceeding, an Assured shall secure to the Company the right to so prosecute or provide for the defense of any action or proceeding, and all appeals therein, and permit the Company to use, at its option, the name of such Assured for this purpose, Whenever requested by the Company, an Assured, at the Company's expense, shall give the Company all reasonable aid in any action or proceeding, securing evidence, obtaining witnesses, prosecuting or defending the action or lawful act which in the opinion of the Company may be necessary or desirable to establish the title to the estate or interest as stated herein, or to establish the lien rights of the Assured. If the Company is prejudiced by the failure of the Assured to furnish the required cooperation, the Company's obligations to the Assured under the Guarantee shall terminate. S. Proof of Loss or Damage. In addition to and after the notices required under Section 2 of these Conditions and Stipulations have been provided to the Company, a proof of loss or damage signed and sworn to by the Assured shall be furnished to the Company within ninety (90) days after the Assured shall ascertain the facts giving rise to the loss or damage. The proof of loss or damage shall describe the matters covered by this Guarantee which constitute the basis of loss or damage and shall state, to the extent possible, the basis of calculating the amount of the loss or damage. If the Company is prejudiced by the failure of the Assured to provide the required proof of loss or damage, the Company's obligation to such Assured under the Guarantee shall terminate. In addition, the Assured may reasonably be required to submit to examination under oath by any authorized representative of the Company and shall produce for examination, inspection and copying, at such reasonable times and places as may be designated by any authorized representative of the Company, ail records, books, ledgers, checks, correspondence and memoranda, whether bearing a date before or after Date of Guarantee, which reasonably pertain to the loss or damage. Further, if requested by any authorized representative of the Company, the Assured shall grant its permission, in writing, for any authorized representative of the Company to examine, inspect and copy all records, books, ledgers, checks, correspondence and memoranda it the Custody or control of a third party, which reasonably pertain to the Loss or Damage. All information designated as confidential by the Assured provided to the Company, pursuant to this Section shall not be disclosed to others unless, in the reasonable judgment of the Company, it is necessary in the administration of the claim. Failure of the Assured to submit for examination under oath, produce other reasonably requested information or grant permission to secure reasonably necessary information from third parties as required in the above paragraph, unless prohibited by law or governmental regulation, shall terminate any liability of the Company under this Guarantee to the Assured for that claim. Form No. 1282 (Rev, 12/15(95) First American Title Insurance Company fi. Options to Pay or Otherwise Settle Claims: Termination of Uability. In case of a claim under this Guarantee, the Company shall have the following additional options: (a) To Pay or Tender Payment of the Amount of Liability or to Purchase the Indebtedness. The Company shall have the option to pay or settle or compromise for or in the name of the Assured any claim which could result in loss to the Assured within the coverage of this Guarantee, or to pay the full amount of this Guarantee or, if this Guarantee is issued for the benefit of a holder of a mortgage or a lienholder, the Company shall have the option to purchase the indebtedness secured by said mortgage or said lien for the amount owing thereon, together with any costs, reasonable attorneys' fees and expenses incurred by the Assured claimant which were authorized by the Company up to the time of purchase. Such purchase, payment or tender of payment of the full amount of the Guarantee shall terminate all liability of the Company hereunder, In the event after notice of claim has been given to the Company by the Assured the Company offers to purchase said indebtedness, the owner of such indebtedness shall transfer and assign said indebtedness, together with any collateral security, to the Company upon payment of the purchase price. Upon the exercise by the Company of the option provided for in Paragraph (a) the Company's obligation to the Assured under this Guarantee for the claimed loss or damage, other than to make the payment required in that paragraph, shall terminate, including any obligation to continue the defense or prosecution of any litigation for which the Company has exercised its options under Paragraph 4, and the Guarantee shall be surrendered to the Company for cancellation. (h) To Pay or Otherwise Settle With Parties Other Than the Assured or With the Assured Claimant. To pay or otherwise settle with other parties for or in the name of an Assured claimant any claim Assured against under this Guarantee, together with any costs, attorneys' fees and expenses incurred by the Assured claimant which were authorized by the Company up to the Lime of payment and which the Company is obligated to pay. Upon the exercise by the Company of the option provided for in Paragraph (b) the Company's obligation to the Assured under this Guarantee for the claimed loss or damage, other than to make the payment required in that paragraph, shall terminate, including any obligation to continue the defense or prosecution of any litigation for which the Company has exercised its options under Paragraph 4. 7. Determination and Extent of Liability. This Guarantee is a contract of Indemnity against actual monetary loss or damage sustained or incurred by the Assured claimant who has suffered loss or damage by reason of reliance upon the assurances set forth in this Guarantee and only to the extent herein described, and subject to the Exclusions From Coverage of This Guarantee. The Liability of the Company under this Guarantee to the Assured shall not exceed the least of: (a) the amount of liability stated in Schedule A or in Part 2; (b) the amount of the unpaid principal indebtedness secured by the mortgage of an Assured mortgagee, as limited or provided under Section 6 of these Conditions and Stipulations or as reduced under Section 9 of these Conditions and Stipulations, at the time the loss or damage Assured against by this Guarantee occurs, together with interest thereon; or (c) the difference between the value of the estate or interest covered hereby as stated herein and the value of the estate or interest subject to any defect, lien or encumbrance Assured against by this Guarantee. S. Limitation of Liability. (a) If the Company establishes the title, or removes the alleged defect, fen or encumbrance, or cures any other matter Assured against by this Guarantee in a reasonably diligent manner by any method, including litigation and the completion of any appeals therefrom, it shall have fully performed its obligations with respect to that matter and shall not he liable for any loss or damage caused thereby_ (b) In the event of any litigation by the Company or with the Company's consent, the Company shall have no liability for loss or damage until there has been a final determination by a court of competent jurisdiction, and disposition of all appeals therefrom, adverse to the title, as stated herein. (c) The Company shall not be liable for loss or damage to any Assured for liability voluntarily assumed by the Assured in settling any claim or suit without the prior written consent of the Company. 9. Reduction of Liability or Termination of Liability. All payments under this Guarantee, except payments made for costs, attorneys` fees and expenses pursuant to Paragraph 4 shall reduce the amount of liability pro tanto, 10. Payment of Loss. (a) No payment shall be made without producing this Guarantee for endorsement of the payment unless the Guarantee has been lost or destroyed, in which case proof of loss or destruction shall be furnished to the satisfaction of the Company. (b) When liability and the extent of loss or damage has been definitely fixed in accordance with these Conditions and Stipulations, the loss or damage shall be payable within thirty (30) days thereafter. 11. Subrogation Upon Payment or Settlement Whenever the Company shall have settled and paid a claim under this Guarantee, all right of subrogation shall vest in the Company unaffected by any act of the Assured claimant. The Company shall be subrogated to and be entitled to all rights and remedies which the Assured would have had against any person or property in respect to the claim had this Guarantee not been issued_ If requested by the Company, the Assured shall transfer to the Company all rights and remedies against any person or property necessary in order to perfect this right of subrogation. The Assured shall permit the Company to sue, compromise or settle in the name of the Assured and to use the name of the Assured in any transaction or litigation involving these rights or remedies. If a payment on account of a claim does not fully cover the loss of the Assured the Company shall be subrogated to all rights and remedies of the Assured after the Assured shall have recovered its principal, interest, and costs of collection. 12. Arbitration. Unless prohibited by applicable law, either the Company or the Assured may demand arbitration pursuant to the Title Insurance Arbitration Rules of the American Arbitration Association. Arbitrable matters may include, but are not limited to, any controversy or claim between the Company and the Assured arising out of or relating to this Guarantee, any service of the Company in connection with its issuance or the breach of a Guarantee provision or other obligation. All arbitrable matters when the Amount of Liability is $1,000,000 or less shall be arbitrated at the option of either the Company or the Assured. All arbitrable matters when the amount of liability is in excess of $1,900,000 shall be arbitrated only when agreed to by both the Company and the Assured. The Rules in effect at Date of Guarantee shall be binding upon the parties. The award may include attorneys' fees only if the laws of the state in which the land is located permits a court to award attorneys' fees to a prevailing parry. )udgment upon the award rendered by the Arbitrators) may be entered in any court having jurisdiction thereof. The law of the situs of the land shall apply to an arbitration under the Title Insurance Arbitration Rules, A copy of the Rules may be obtained from the Company upon request. 13. Liability Limited to This Guarantee; Guarantee Entire Contract. (a) This Guarantee together with all endorsements, if any, attached hereto by the Company is the entre Guarantee and contract between the Assured and the Company. In interpreting any provision of this Guarantee, this Guarantee shall be construed as a whole. (b) Any claim of loss or damage, whether or not based on negligence, or any action asserting such claim, shall be restricted to this Guarantee. (c) No amendment of or endorsement to this Guarantee can be made except by a writing endorsed hereon or attached hereto signed by either the President, a Vice President, the Secretary, an Assistant Secretary, or validating officer or authorized signatory of the Company. 14. Notices, Where Sent. All notices required to be given the Company and any statement in writing required to be furnished the Company shall include the number of this Guarantee and shall be addressed to the Company at 2 First Amencan Way. Bldg. 2, Santa Ana, CA. 92707. Form No. 1282 (Rev, 12115/95) First American Title Insurance Company ir — s ag MW '79' ._ PERPmm mmum rh.L �Graton 6ehool at�txtet�[a._40 al....----.-.- —-......... _..... _... mow, hwinaliar reraersa to ad -Pptr of the Err! Port" for utd 11rrh mnW&ratlon of ONE DOLLAR and. other good and vytdable Cmmuldertth;a, feoaipt of wNch It herebY Wuto6Itdfe 9K%etiby wren!, rortafe Ind -rtvey nota the ti[1'2' UY RAM"H, A Ituutolpat tiorporalton di the Mutt of NraaNnplan, as '�ptr4y df the second part," In. Mi easrinEat APPUMO37RE and Perpetual orae, on, and to the faltawft'desrrtbed ProPefttel: Lij An l01 easomert j'dr utility purposes over the foLlaldnA dss¢ri'oted prop.rLy: All that portion of ?riot 4, Black -5, RahtAn fiighianda do. 2 corr-cted plat according to Vol=c 57 of Plats. Pse 4' 92 to 9.3 incluaiva,'racords of Kule -omty,ddsl iln& n_: the cartterline- of said eassomen't described as follows], =eutrinij�', at the rpdt aouthsedai.drly corner of Tra t, nSrt, said ::errton Pighlaada :ia, 2 Oorrecied Plat; thanco north 350351 i$st alans the trenterly line .of said'Tratt eft" a distance of 27.00 feot; thdtico north Load' est a distance Of 2:3,$0 fent along, the uaster4 lttiq or °aid ?rasa`^Alf to the true point of beg- in:tin;; thonce forth 52°it3Ls '.last LL2.00 feet to -tt t Lerninstion of said aasexnt. And the party Gr the Second part to have On, ehe pdrpotea of tomtruaLlon, rFoo1r, serYlce. and maintenance of sewage pipe Ifner and auy other puWle uLllltlrA and aervlees, IH WnNF'18 WHMEOF the said parties have hereunto ret their handa andh 'da..„.....4 th,._........... day of K4 Fh............. tMf.1965. RBilAON'SCHOM DIMICT H6. 403 Vic e-;Pr*Afdertt �I .?OR AJ4MFIA' SeCrStnXx aTATT. OV WA@HIHOTOH j - --.-Cmn,IT or Itrne T. the unciertisned Notary Publlt in and For the SLAW of t7 WmItInaton. reildlnt In RMILan, Warhtnaton, do 1965 hereuY eerlltr that on the _.._. ..5... C!_4...........- dNY..._..,.r_t. �.." .:.r._i..:_.c:.......... ....-..._._. "MIX Per,enaay oppe.red aetot6 me-,-...Ilvpgrt,bl..ltarhsitt.lsltsaR.._.. _.......,-_, and......._..--fl.....8.,..,.lahnaoa.................... his wifr. W 1r OAS0wn, to- be ' he Indlridyab d"er'Ibed In and who eseeutrdlLhe, fame q their free and voluntary .qt and d41m, And ■ herein roantlnnad, - � purpwe���yY}1dEnk efiatal acct Nk.._.-......... day Ot....t-.......:. I r •�"`;�y��+ � Huta► publi��nan�Lw.,.�L-��:__........__.....,{46t:- tl r � � • � s. Y and-?ortIYF@4ale of Wuhlnelan, A Mf ..,�r'i<�•.7 ,,ti rreidltld hr nenLorr, - tied Idr Wotd ikr+.-y tYW - Polo. - - &Kued of Acre!.,:, 9tat�- 1011Iu A tttwls �c a,ritar." � . Tkiw Yadwn#nrwy 'tads mai tbR AE±( day of OF aatd estM.ea! the UMEB SUM at aMMCL, matt" by cad kberot;fl► tM 3110ratar7 of Bvaaiee Brod IUMB SavvUlmmt, nadra• and pormwwk to the powers "a authwltp, oaitaimd in the I cab (54 S"t. 1325, as SMO1 041 h2 U.S.C.i. 1523L), Lha Dgmrtxa % of SmuinQ and Arbae Lsyalop- went +tat (PA- 89-144, 79 8ta0. 467), Doaareuts Int"iw ordetr Ii (31 R -R. &15), and J)&Ia ation of ARtherit7 (25 F.a. 26A, ab &"adad by 25 F.R. (1521), 0j&ff=, And the AIT! DF 11KNTOM, O m" of Kms, Statr of w"hireton, a public " aorponrokU and palitlla, argeaLmcd and exlstiog wader t1s laut of the stat■ of Waahirlpan, 0;LLMR. km?KS5mm. TLat aald 4HUNNO, for and in emwSIwrwtion of the •mare of SLMN THQILMM DDLUM ($11,OW.06) each io hAnd paid, the receipt Of rhith ;s hraebJ A0kn9u]e4gwd, does lnrab,+ ro%L*a sad --Is-* and farwrer 44tvULD and e*zmvy anto tba maid MAhMaj all of the Cfiftl7l'CRtS richt, title, and iut�WsaV in ani to the rAlvVing parcels of Lu d situate iso the City at kentoa, County of King, atat;e of W-I%Ingtoa, be tcfore dedicated or granted by piAWMR unto Dha , 'MAudifn vithawt limitation the raLeaao of mow' ations placed upon the use of bath bX Life c4tloaw or gr*nig thsreofg A. Fiat Statian Preaer1w t 1p oC Blaek 6 as e� an Lh4 PlAt Of Reston HigWmr dp, raccrd 3n 4alyMIS of Plait', pixgfa 51i -#!l, {mlgoiTek tbo bfflt:a 0 Auditor, King Cwauty, Was#tiagtom, 8. All rda, gsrleo* public rife and B@rv-iew ar ae, and AZl alZaysr :Ztremtg ant! ATMIMA,mb-ewoa*e,r situated, ahtm on this fo1Lodbg plats recardea i!1 tins Diiy.ae of tha Auditor, Unt COHnty, kmhjrlgtsns The plat -of &kmtoo VigbUcde, rmDrded in,791vme 46 of Flatau p wr 344a icclwtivm. Carrwoted plat of Rentmr Highlands M. 2 raceadad in Yolume S7 of Pinta, pagan F2'9a, Snr:Luivw. . plat of Suburban HeigbLs, aA adaitim tri Ohs GAty of tbmtaaf (ease tta A9 araptat of DUO 36 and 37 R=W, X01424 Aa. P, oorr t -i Past), 1tft"4e4 in 441. 58 Of Rltter pose 55. T li 0?A��; Mt�liy Y ai�!#i*s b4 the Civ of a (*'p'-1asm w Mlat' or 10mulb "i and a ps men ( at ♦{ pMflliiyl - Oa eumac"d out.), �ii4U* PW 36. it 1qn �lyi try WW*% of lad At& lam jolpf —DW' PREM138 dkaolrlbe*'s/ tip► ' AAMWAV s0140 10044e>R r axaa yd cera-ip a vv dssali M is aias-dow"" -Dowor Lsdua4lsaa &%it iae+0" U, MTS -AVE iha 16116C Stawa, of Aserisa os 40 fifty or NUMS, rs-risd to %"A & itopgo vdti,Ge is 'Palm" 3W at "go 60.6aitaM 1- i�fvdvs Ab& aald Wwt emu wswia "ONO dsdietZ;Are psrjases. 10 tti4iik AND TO WD all and sitar !As said pt'adsas topstber with the ayMart■pspoes wA* *be said OAAl12MS. xR WITOW MWWM an G aw" We Wwaed this instrimm% to U sxeaptdd In ihr nine " of tha dq and Year fine ahme *Attaa. iRQM 8MMW w' AIMUML aztig b7 and tLeoeta tho sFa—w R# OF muni i; AND i RRO MV AZQ MM asty IX "MA an Wltres -as: I ,rj UM0 STATM OF AMMQA )) ass NIS4 m or OOLIM"A On this a IAat rububl� am day� �� 1y66, bs3es�s as the me►d dgnad, Joasph P, iailh, dr.l, Dtrectvi CC the idf PWLO'� appeared fp aspartm—t of fie m %;o me &ocpA o ttm �i•A6 and iirfaro Gneloporant, kaoeoi #a as to �a the parsau whose n LP subtarlbed to t" vlta[ri idetsvM& and to be ealA offices•, and ae ledtad acid iastrneeat to ba the rLae set �qd deed of t}p limited a"tae ut lser3aa !er the garpseaa thersd4 cent {rad and 'on w.th stated shat ha waa autlriaa0 tq axseata Bald SnAitrMfsat. notary rout !r commiation expires: (SEAL) I.ar+r of eik�.+ati.e• �+.� MET A. AWN41 Cared � f i f ' rug CMRAR= eb & Flouring Authority Of the City of Renton, washingtaa, 41 owtuficipal COxV-Oratl0nl For sad in consid&ratian Of Gme Dollar ($1.00) and seh*t valuable coo#idecation conveys i and quit claims to the CiCy Of Rmton, a mmicipal corl oration Ei the follaaoiag described real estate, sitWated In the C3auaty of i !Ling, state of Washington, inbluding any intarest rberein .1 t j wbLcb grantor my hereafter acquire: A right of way 50feet_ in width over *art =a of Tracts A a=id C,, of Black' 5, Corrected 83eC Of gcntaa Highlands3, according to plat x0earded in Volumv 57 of Plats, pages 92.48 incluaive, ree=ds Of X108 Cauoey, Washington, the center ' line of said riSht of way being described as follows. beginning at the intersection of the center lines of 14th Place North and "'V Street as shown in said sub-divas#aa of i J] Correrted Plat. of Rentoailends 80. Oi4$i1 3, eberce [,forth 1'0 J' 46" East along the center lin& of "K" Street a dintanoe of 40.05 foot; thanes North 88'52'14" West 30 feat to the tree Point of bsgiming; thence continuing bkwth sa•52,24" west a dletance of 95.20 feet. thence Westerly send Northerly alang fj the me of a cuvve to the right with a roditas of 90.00 feet, through an angle of 85'2115811, a distaAcs of 134.09 feet; ithence Mbrth 3*3011611 West a distsnae of 151.03 fest] thence HartbRestexly alr" the arc of a eve to the left with s Oxs aLig at: #ag Of a dis�pG T of 72.17 Peet; theaca Parch 491'53'47" West a distant of 98.30 feat: i Also together with a30 foot righ`•pf-409 for rtsMR pqrp"ea Over partioge of paid ftacts A end C, Cho Center Line 1 E V,fti 493 '$AN) of said sight -of -way beldg deferibed as talUms: Beginning at the termination of The center line of the previous Ly described 50 feat wide right-of-way; thence continu$Ai Aortia 49'53'47" West a distance of 5.26 feet; thenee North- easterly e7.0ng the are of a curve to the right with a radius of 95.00 Ott, through ass angle of 34"34'47'=, a distrnce of 40.50 feikxt thence North 4°41'W1 8sat a distance of 97,64 feet to the southerly margin of "K" Street, Also All those portions of Tracts A and C lying westerly of said previously described 50 foot aide zighc-of-way and easterly and southerly at the following descxibed line., Beginning at the termination of the centerline of the nre- Viously described 50'foot wide right-of-way; -thence mouth 40` 0610" Went a distance of 20 feet to the center of a circular turnout for street iurposes with a radiate of 4S teat; thence South. 43°39122" %sat from the center of usid turnout a distance Of 45 feet tO a point on the northerly margin of said 50 foot wide right-of-way and the true point of beginning; thence vesterLy. Northerly, and easterly, along the arc Of a curve to the right, radius 45 feet, Lhsough an angle of 263°39'35" a distance of 207.06 feet to the northerly margin of said pre- viously described so foot wide right-of-way; laza that !tortf.oa Prevlaw ly described for 30 foot vide right-of-way. Also together Kith Chose portions of Tracts A and c lying wesRawly of said 50 foot right -of -Way and Easterly of the. i fallowing dea•crlbed line; 8418iesnIng at s )?saint oe tdt center lisle of ,said 7S4 foot right& of-Wy Horth 888,52014" West 95.20 feat from the true polnt of � htghosi+ss of said right-of-way; thence westertly and aartharly I sues, ties era of a ourve to the sight, r*diva 90.00 feet, a dia. - atankms of 119.09 fast to a Paine bearing Sputh 77"02'O9" West k from the center of said curve; thence South T7002100" west a distance of 12.3 fete to the center of a circular turnout for street put"Oes wieb a radius of 45 feet; thence South 9"09109" East from the tentar of said turnout a distgace of 45 feet to tete Westerly margin of acid 50 Foot right-of-way and the true pai.nc of beginnins; thence Wtst2rly and Northerly along the arr- of a curve to the right, radius 45 feet. a distance of 115.57 feet more of Lass, to the Wgaterly margin of said right -of[ Vey. The Grantee, by acceptance of this Dead, 4asumes full responsibility for the care and md$ntenance of the Street located on said demised: property and holds the Housing Authority of the City of Mention ha;mle8s from any liability reaulting from Said tore and maintenance or Lack thereof. IN WITNESS WR OF said Corporation has caused this ioatrurwnt to be executed by its rr000r officers and its cor'.)vrste seal is to be hereunto affixed thin qday of May,1957. HMSING ACP ORM OF THE C �+ �=;:t.* ��.._. .rJ. �.• . is una L_ eerecary STA713 OF WASHIMON SS COUNTY OF K7il1G Qn thea day of May, 1967 before me, the understgaid i Hot■ry "tik.11 sad for the: $tat• of Washin ton141y cow.u3sa- � Lao" and sworn, pasa"ALLY aF,paarf41 LOUIS amiffhiI end 79 IB eat this Hnusin& AUthority of Cho City of Ramcon, thi mienJcipa1 corporation that ez=ue-d rho forsggoias �truesot, and xcia., Ledged the said inttyro wrae to be tau free and Vat -nary act and dee of ssid,.rorparstien goer the uses and ro posss tbezeia saner kkee th Doabated that tbeey sense autbarisad to A0113stuWtat acid th■ seal affieosd is the Cor- ; easporatioa. f Jap lam and official weal W to afftaed the day first written. 'k'i9;.;, Am's r 3 rIMUdMil, • r r emmmw The Av:%l& .art. Regional Administrator of the HO%W1ng "1140tanCs Atl- Lsdniatr&'.ion'formerly Kncnrt'+ as the NkeLic iiauaing AdminlatrCiouj, an Agency of hue UhlWd StAmes at America, Baer hereby endorse this Inctirn- nevi mid Coshserri.s to r,hL` 11trein aLtbehed Deed, purauanL wa Lhe t®emc >f C3 I-mt cor't*11L lkeCI SU01h ni' Trust e::temd it+to wi dwtr+ N, J142P, r,y ,-L' Housing Authcraty of the City of Renvrur, a jmblic body torpnrulx atk tiT Volitie, and the Publlo Wuring Adnirldtrt+Liia[i, ar. at:sci -'alta Ow U143 1.. S%M44 Jlnual,ng AvL of 1937, NULo lata No. hlr, Se�rlty.l5fr-n r:nrwru.=, and recorded June 11, 14,;2, an iriaLrument. Ko, j4j!SQ.• d ! Voikme LckL, mom. hxr•e 41, of Dffleial Rccox%a, in the ot'f: cr. �r t . goreLnr nr • iw Co ir..v of Kir-i+., Stu u. of :1a:h.4ru'.t•tx:. Datac; JU ►IMING A5Zj TAbCx ADMl ll:,TX9;j'_rW istar;t R Oh01 AdTri:lair9i.,r BSATa CW r.Ai.Ii< IRNTIA J ) _. c:l'1'Y AM ('(A;UTY Oy Shrc WRAta:MC-C) Oh r ]►i eL•.e v:` �Ylw *moi T ; — jy pa�� % �j1J},,4^„ _r dd7date►r;r R+:e,sia : , bad i'vr c.0 L;j!.y an.: C�+sn y wire S.IXV. agpcarcd LC • Jo llW Sew r :rOM L, ,,;F. .Ld Z4" io be the Aeaistat,: ;legio;tsl AdAlr:iatrattor of the F1OZ114 ASSTt3TAl= AlmlHxffiTIMSIM. Lbr :;:.rt�cy lar the United ulal,e:e of Aaieriaa that execiite;l U's w1l hir lrjctrunlnnL, a, -d %nM, to mG LQ t•e Lhv pt•rsorts rho cftce :Lai i ha within Instrumant an belialf of the Agency therein named Bad ackatxaleped WitrASa jkv 'hand and ofrlulal seal the day and year flint ab written. tart' Q n "d flWTIM clsf of Snn Praacisco� State itis ¢aiiitiarn�+! err' PALL USW ARL All h" v yr m - r 20060926003394.001 Puget Sound Energy, INC. PO BOX 97034, FST — 46W Bellevue, WA 98009-9734 WRC EASEMENT ORIGINAL (customer form) REFERENCE #: GRANTOR: c]CHpp� GRANTEE: t`�T. 7� POGE Olt �5 Ravr/caf�xaas full legal an page w. SHORT LEGAL/��. !r m L�f 1-1f ASSESSOR'S PROPERT�fi ARC "tZZm_d3S- OP or U MAP NQ: 2 -�d 5 cal JOB NO: 105W FILE: " For and In consideration of One Doilar:(31,06) and other valuable consideration in hand paid. (•Grantor" herein). its successors and asslgns hereby conveys and warrents to PUGET SOl1ND ENERGY, INC., a Washington Corporation ("Grantee' hereink, Its successors and assigns for the purposes hereinafter set forth, a nonexclusive perpetual easement over, under, along, across and through the following described real property CPropery herein)in L�.€ ^ County. Washinotnm SEE EXHIBIT "A" ATTACHED HERI_TO AND BY THIS REFERENCE MACE A PART HEREOF. EASEMENT LOCATION: t=xcept as that portion of the Pro arty (Iia 'Eas BlOcst9d an the Prooperty, exc pt farndallarls, andfur subsurtam stroct 1. Purpose. Grantee shall have t replace, improve, remove, and enlarr sate of gas and electricity. 7ogether' exerclsa its rights hereunder. As use are necessary, in the judgment of Gn 2. Grarltar'S use cf Easeriont Ar further agrees not to place tress, roc the exercise of Grant e's nght$ hereu DATED this day of _ Dc1f y re otherwise set forth herein Grantee'shts shall be exetcisad upon Area" herein) Thal Is ten (1 d) feat In Wdrighaving five (5) feet of such tae's systems located as constructed or to he Canstnrctedd, expended or portions of the Property occupied by existing building footings, hi to use the Easement Area to construct, operate, maintain, repair, a or more utility systems for purposes of transmission, distribution and he r�rht of access over and across said Praparty to anabte Grantee to 31n, a term "systems' shall include all appurtenances end facilities as for the oparatlon and maintena CeOf said on said Easement Area. and irantor agrees not to erect any ij Jlrences or other obstructions on the Property that would interfere with GRANTOR: BY: BY: 2005. NOTE: 3r-"TLmms W rtEQllWm OF ALL CGAWJMR5 ai PAQKKR Curt fiorm tVfA00 4� �,Ay FkEUi.11i .G►' clot- R lj01611 " Atj .1 % 200500260033%.002 STATE OF WASHINGTON ) } SS COUNTY OF } On this !p 4 day of , 2005, befme, a N thb in and (or he State of Washington, duly commissioned and swwam, persanaNY appeared h to a known to be the inclMdualho (s) WoxomMad the within and foregoing instrument, and acknowledged thpt „ signed the some as free and voluntary act and deed for the uses and purposed therein menUoned. I GIVEN unc this hereto affixed the day and year in this c floats first above written" 1. '- --� -k- , MMAIV OW aad and ad A*W0 p mwi m6wo v ninina tQa�Te /uooweaaveorn STATE OF WASHINGTON ) jSS COUNTY OF ) Pd or stamp name of Notary) res 6 PUBLIC" an a SSU aFashington, My appointment expires jf LAs On this day of 2005, before me, the undersigned, a Notary Public in and for the State of Washington, duly commissioned and sworn, personally appeared to me known to be Me person who signed as of the corporation that executed the within and foregoing instrument, and acknowledged said instrtanent to be hlsther free and voluntary act and deed end the free and voluntary act and dead of for the uses and purposes therein mentioned; and on oath stated that was authorized to execute the said Instrument on behalf of said IN WITNESS WHEREOF I have hereunto sat my hand and officlal seal the day and year first above written. (Print ar stamp name of Notary) NOTARY PUBLIC in and for the State of Washington, residing at My appointment expires Ma" *bK*d and at nalarana ftMbs varda t• wgim I come W-M.S woAms CMC" STATE OF WASHINGTON ) ) SS COUNTY OF j On this day of 2005, before me, the undersigned, a Notary Pub4c in and for the State of Washington, duly commissioned and swam, personally appeared and to me known to be the individual($) who signed as of the that executed the wllhin end foregoing instrument, and acknowledged said inaltument to be his char free and voluntary act and deed and the free and voluntary act and deed of for the uses and purposes therein mentioned; and on cath stated that Was authodiod to execute the sold Instrument on behalf of said 1N WITNESS WHEREOF I have hereunto set my had and official seal the day and year fust above written. (Prim or stamp name of Notary) NOTARY PUBLIC In and for the State of Washington, residing at NM" 1. kid and AMnmade mWr bekWd■ r'maacbra My appointment expires Cwt fam 912 DOO S 20050826003394.003 Exhibit "A" Legal Description APN: 7227600135 Tract A, Block 5, Renton Highlands, Ido. 2, corrected plat according to Volume 57 of Plats, Pages 92 to 98 inclusive, records of King County, Washington. FWkreA Rem SU)W WONO: 105037047 REDT: 56319 Date: *tember=5 Page 313 Return Address: City Clerk's Offlce City of Renton 1055 South Grady Way Reafon, WA 98055 60011702 Wee 20070416000702.001 WATER UTILITY EAaS19MENT Property Taz Puree! Number: Project Filc N: Street man or Pmject Nw= _ Re%reace Number(s) of bocumer& assigned or released: Additional reference number arc on page Granto LA;4,1 G Grantee(s): 1, 1. City of Rraton, a Municipal Corporation 2. The Grantor(s), as named above, for and in consideration of and other valuable consideration, do by these pmeents, grant, berpiu, sell, convey, and warrant unto the above mained Grantee, its bra and assigns, an easement for public water line with necessary appwftati ea over, under ihrauA access and upon the fouowwg descrit)ed property the right-ofuay) inKk4 County. Washi WwL wore por icufnrh-dewxifyed as fAlows: See Exhibit "A" and Map Exhibit 5 vP *o#" �i 649 No, � IN TAX HOT REQUIRID Dow � E,`►^�nsor^ PWF,OM.dod Papa 1 FORA [ 03 OOO &W 20070416000702.002 For the purpose of constructing, recomtru:cting, imstalling, repairing, replacing, enlarging, operating and maintaining Water Line utilities and utility pipelines. together with the right of mpt m and agress thereto without prior institution of arry snit or proceedings of law and without inctramg any legal obligation or t'sability therefor. Following the initial eonstracdon of its facilities, Grantee may from time to time canstrtrat such additional fact'iit ter as it may require This easement is granted subject to the following terms and conditions: I. The Orantee dwH, upon ,impletion of any work within the property covered by the easement, reatare the s KS= of the awment, and any pnvatE unprovwwntsSdWWor destroyed &wiTg C wmhou of the worts[ as newW as practicable to the cor ditwn dwy v= m imdmd iately befi n commenoemerit of tate work Or entry by the Grant" - 2. Grantor eball retain the right to use the surface of the easemwt as long as such n9e does not interfere wit, the eaaament rights granted to the Gsafrter- Grantor shall not, however, have the fight ta; a. t?reet ar maintain guy buildings or 3buohtrs within the easerru 4 or b. plant trees, shrubs or vegetation having deep rant patterns which may cause damage to or mterflae with the utilities to be placed within the ememant by the Grantee; or c~ Develop, landseaM or beautify the easement area m soy way wkwA would uwcax*nW 1p increase ttte coats to thea Grantee of rnstaring the easement area emd any private improvements therein. CI Dig„ tunnel ea; perform other farms of construction activities act the property which would disturb the compaction or uneath Grantee's f allitice on the right -or -way, or endongcr the lateral support facilities. G Blast within fifteen (I5) fnct of the rig,t-of-way. This easement shall run with the land described herein, and shall be binding upon the parties, their heirs, sucoessors in interest and assigns. Grantors covenam that they are the lawhi owners of the above properties and that they have a good and lawful right to execute this agree umt By this conveyance, Grantor will warr$nt and ddeud the sale hereby ntade unto the Grantee against all and ev cry person or persons. whomsoever, lawf dlY claimsame. ing or to claim the me. M s coney"" shall hued the heirs, cxecutere, administrators assigns forever.' IN WTINFSS WHEREOF or hes caused this irfstrument to be a=u ed this % Qday of� !.):off YDV LL FOR.fI UF. t ch: <Orr7.xbr, 51F__\ T Notary Seal must be within box STATE OF WAMWOTON ) SS ,�,111�i!•Illjri COUNTY OF KING ) � / I certify that I know or bane sadsf tctory evidence that I es g p , � t 6A:, dry f _ si sed this instrument and 4 acknowledged it to be his/herJtlecir free and voluntary act fee the uses and purpo9es mmdoned in the inshvment Tit. PUBLIC I),; OP wABt�a�, Notary Public in arid, for the State of Washington ��rr14111 Notary (Print) My appoinftent expires: PWFXM docl Paga2 FORM 03 a009MY 9 20070416000702.003 E7 MIT "A" LEGAL DESCRIMON (Must be stamped by a P.E. or L.S.) WATERLINE EASEMENT LEGAL DESCRIPTION EXHIBIT "A THAT PORTION OF TRACT 5 "A BLOCK 5, CORRECTED PLAT OF RENTON HIGHLANDS NO. 2, AS PER PLAT RECORDED IN VOLUME 57 OF PLATS, PAGES 92 THROUGH 98, INCLUSIVE, IN -KING COUNTY WASHINGTON, LYING 7.50 FEET EACH SIDE OF THE FOLLOWING DESCRIBED CENTERLINE; COMMENCING AT A POINT ON THE NORTHWESTERLY BOUNDARY OF SAID TRACT 5 "A" WHICH LIES SOUTH 33'13'58' WEST 30 FEET FROM A CASED MONUMENT NARKING THE WESTERLY INTERSECTION OF HARRINGTON CIRCLE N,E. CENTERLINE WITH THE CENTERLINE OF HARRINGTON AVENUE N.E., THENCE IN A COUNTER -CLOCKWISE DIRECTION ALONG SNO BOUNDASY, BEING THE ARC OF A CURVE HAVING A RADIUS OF 921.90 FEETTHROLIGH A CENTRAL ANGLE OF 04`50'44"A DISTANCE OF 77.97 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 37911'57" EAST DISTANCE OF 99-67 FEET; THENCE SOUTH 24'26'25" EAST A DISTANCE OF 34.57 FEET; i'HENCE SOUTH 68"33'56" W EST A DISTANCE OF 15.00 FEET TO THE TERMINUS OF THIS CENTERLINE DESCRIPTION. THE SIDZLINES OF THE HEREIN DESCRIBED STRIP BEING EITHER LENGTHENED OR SHORTENED TO INTERSECT EACH PRECEDING COURSE. C-Oo=uwiz" %qoocal 8d&g \TemporeylnMn%d Filrs4Oi Xl81PWE0009.dac1 rage 4 FORM 03 0008&& 20070416000702.004 i Map Exhibit I TRUE POINT — OF GEMMING NO SCALE NARRINGTON AVE NE wry "• R--9�r W 95.67' i - T 5 rort,.ai NO AS MF_O 6AVS OF PARING ASSUMED FI F PION r y► � 56533`55" I PIN , ... RENTON, SCHOOL DISTRICT tai TACOMA ow T`rkE', C:IUooAncnb aad Scttiztp\cjgUxca1 Sdtis3pkTenVaru7lawnet F las\OLKIMPWFOON.dod FOR ?AO] 000&Dtel Page S Bede thLa but"M the MT$4 STATS or AMICA, zotiud A!' md tw�sisb the ' X7 at H+alth, &h:oatiaa�, ivld �7b�are (a,ecsisd��fe�nc�i.gyp--ta•-t4aFtadrRral Siakrit� Adainisi7ratba i, —ti-9 by *W throuO tht USLaeal Direet w for 1!e¢op II at the b6p&rteroret of Ffealthr Emaoatloa, Boa tafm'a, Um4w and peu-BBBnt to the polrcx a itYtd estbariV cdnWwd in thB Pederel *rtY sad J3a;3�imta-bbivB set-vsend Ace of 1� 949 (63 Stat. 377), as +moaned+ and Raarpnitatiom Plan No. 1 Of 1953 (as msds affeo*Uve by Nblic law 13, $1st CaftTans, pirst Sessfoo), MM1OR, OK'd RWTCN 3CHOM DYSargi T SIO. 473, s pctitiasi asbddrdatian of the TfiISi5;S, by AuiL*j&j m 00I)d dated Ilan( an0 1952, med Mod for record l J i +sittr th- icing County Auditor m r19i7,.tha UNLW States of AMeritfa, r as OrWAOr, 4id bonvey unto $tntan 8ohoo2 DiStriet N.r. 405, an Grants, oertd3n i scal PrQPerty Canaieting of 9.06 Berea, pV M or loco, aituste in the 04uaty aS f `gid. State oC Ttashiergt'n, awrleet t4 certain easeierutits trareiti set Inrih, and ILrtJi£r subject $„ cer fain Covenants, reser.atimm, rmstriction, gr4 er�ddit:LOm8 amt 1'arth in Said Dead; ax4 i 1112 AS, the deecripti •n of aid real -ap ty 4eti terttl in emtfd C>IitmWm Deed of +retch 20, 1952, is sshigeeoga in that the d1ataana of e:11r 1 fourth cwrea aStar the, 'ri'�nt of I ginEd- ° in said dmear!prtiaa is +grir&=cm j7 � stated t4 be T82. tsCC, altkeeuSh th♦ marRsmae.b at the terminstIm of said fourthemrsa iat s I ± } s pednt 292.90 feet fraat tip bgUmipg of amid faarth ' ieoaraa; and T _ fHkilBIL4, iZ VMS th* intent of the Grantor sad Crantac Sn said talltalmia, Dood that the distatloe Ot acid rnurth cao.rae .ba Z92.90 fe,Bt; MMM, the grantor and Qrmrtbau�ro dseirms of am+FocLtna ea�d j "D a� a`slt 20, 1952, eq as to ellen ata thy, at fs`dia tbo riascri tj u.. r..•. _ P of sa34 rweal propartr ceMxYed - tliWabr Cad mm: d Mo ewe to doscribct laic! ty.fineOratelT and ; LTJ ; 3; + i 844 QtltWASA Dead of MWOk 1952 is + , steeMr4 Fig- do" the deserlpt4en at mid i'aw1'p�r ry e4lN#arud t we+�n �d.#o `f "��w��Oae;s�:_ T�+::..1� :� � '�'Y •�s<i'��'se" i•.' t" i ' ''�{aj•�ty ,.'; L..L.:. ` .::;�• y rar mch ftoariptime eav rOUGNIgg tAc sK vae4'40- 440P IA of said raaa yraa�=Y: A Poetien of RUT(Sf HiGaim, aitutted is tbe,&Aihpmt ' c-sa_`tw of 9aetilu 41 'lip. 23 Safth 8an6o i Piet, :.'. dascribed as taiiuwac C�ertaisg ati !ba Soctmeast.90YPAwat $octlaa 423 Hoath Ra e 3 Stat wx.e tbame ff Q� +v dqa � thi. heat lino C: laid 9n�on 4, IVA.40 Seat, to tqa inteespa- tjAm Tdth a* Qantaa4lisea of 14th Are, go.; tham m S ago 2@e 511V E, 32.91 lett, to a point ad' aerr+a; Ummeu as a � vurre to Lit vt a radian of 4o 0o test, �F.�9 toot, to j a paint or t�rgaat; "Mmm'X 6r 01 96" $ 676,14 toot, to A PPintl of eurvo; thaxesa 9 260 061 2ho ii, .30-M feat; Ehoece aaa'umetcrly►, on a pure tl4 idsht of s radius of 3W.50 roet• ?8.22 foot, to the Point ax 8sgin�ag; tikl0=0 Csritiaaiclg, an a radius wfo 98.90 foot, 350,82 rash, Lm p pout of to 4w*j t2,snee S 54 241 39" 8, 37.00 [a at; tbome h Wo 001 4 21.OD feat; thaeuo 1r b° 41' Ode1 1E, 292.90 maty thapa4 S W 51t 3&2 3, 278.00 feet; thaacc A 1 021 40" Z, 20g*,a tmm, to a pen#. .'Of curvsT t 509 an a turn to ],oft, of a 1441u8 of 381,.00 teat, 263.31 fact, to a point of acsgPvurxi w.rr*j carve tP Wt, of A radius Of 183.08 fast, 329.46 logit, to & Pat" of tansont; theft o S 38° 75r 23■ 1: 30.00 toot, to a paidt Of cmrva; thence on a carvo to rigkt, of a ramxw at 1026.40 feet, 195.17 fust j thanr-o H 400 '7 � i7" }:, �•M Icor; than" on A cutvp to right, at radaue,pf 316.90 rset, 215.31 rota, to th" Raaterly Tina o1 apr Street; theme 3ellth6lLy, a.► a curie to r_Ot, of a rad re of x.92 rust, 102,55 foot, to Pvint.of tangent; thence S 3° 50' 4;, E, 58.0 Net. pa3at or acrvo; th4m#Q SeathlWAY, '41 a curve en lett, of a radium tf 160.33 feet, 192.60 rest, to a peirt ex: Lange", themes S IS' 21r fi" S, 96 feet., Anrn rsr luea, to the P-ilut of Srgjap , provided that e414 rOld Pr^PertY is and rwains Vib3ee* to all pr•suxsims act tarbh in said Quitclsi,. Dead of March 20, 1932, And that all to ma, eatenanta, raacrvatitne, restrictions and cOrAM ions Ott forth is said Witelaia Dead et March 20, 195x, and cath or therm, . mains sn ru].; :n::.:. and affeet. ti177i1Gt9 MW=l tha Partiae MWEAa 1sav9 aaltaaq titin instre►moat to bo wcceuted as aY eRt Qlky MW Year Itrim abovo Mritton. UN17S) ST rm Or AICA Aat,,ng by aad ttereugh l.''a 9eeretary at lIca,i.th, ftwati0el, Tiollara EW ` - ' �"�•.�.�.. , � ... Obroes ::?Ora_ Det ai Hva.�th, leatia4, - 94K� -�. �'.t;.. !i>I�'iGit BOETppf, D3&1'�IG'f NC. i►43 '.':M iMe—. �1-•_g {.>� �r+`¢f!; 1 Y..}l�'�iAy�•I�.T1.�y�y-�•2i"��:��'�.%%.' r1,4`h.• �+��v�'•1., `:l .' :���,: ,a ryL Sk F`!"'_...C•ri- iL7Rrti�: a ,1.s.•- tiy_ 'r e• 1 e STAIR OF ?Ai. MMJL • *55, lW ra and County' of bin Awdeco, 84ta at - CattlfalrrA.% porsof kUy appmrod fi. fMTIR, l rOm to me to ba tt,- A40WAX Director !or mmion !% Doporti--t oC H-Ai%h, MLTOatkert;- and tease', and .Iawm U ,se to bo tbs Rorlm? who QX&Mtod thm Vitbin iawWWadat on behalf of thn SceratafT of Health, MlCat10n, utl 1,jaUl a far tha vatted stabs of Amudca and Aeknpntedgpd to m that hm atbscribed to the i414 A.astmmonj tba Immo of tns Vldted States ct Amar$A& aalld the oua of tao Searat=7 of leatx, UtCfttsan, Agnd :Tnlfero etl behalf of the United SWV4s of AtOujoa, add ll+rthcr tr at the 4rmitpd• States of 'Arari..d executed the said mate um i. Utness my- hand and 43ffleia•1 anal. 4, • a Kot 7 ftb-11c in 04 for the City and C=nty od Soxl rrancisao. State of Ca1lfQrttia . v Cc"M aicn mcp6_ra9 - g„. era SUTE or UkutboCfm CCURrr or xm e3 Oki ChLe day of 19+i trui'nre Tr r ?V is in and fur VIC County of xing, 3tatr, of t:, ahi�gmm-lu appqurod H. R. dmsm, ionnto = to be th4 8eere't:rY of tBoard Of Rentan Sphool Diitriet W.. &*: and km m to cmc to be the pergan xho "amtM the within tmGUWmvnt on behalf of the Bllntan School DAstriat No. 403, and ac4moklaftud to ma that. he ex�xuted the eann as the frau 3Ct axed decd VS Haid Keaton SCnaol 17j#triet lie, lld3. 1,'itne03 my havid and oftislal aee,l, Notary Pbsbltr to !vr themy of rirAg. state of Vowum6tcw '"don exptrvd, • -- _ L (p, f •Ji D -Pob-58 ftb lo -270 avro United states Of AWriCao Sating by and tbra t'Le SoorstaO..A Of Roalthm XdWASIOD and wits" 2ko Sant on Sobool BUtrIet No - JI03,p fp, in Considerations Of the r0@WV8tI00S# 000"ISIOrAs, covenants and retram brI=fftP:-"t fWkb and the OWNS Of the gmnt*o faithfully to obalmmle.andpwrom the "Sao does brby r*MIAW,, r*26880 and 40 to OP "Its a and A '.all of t,bmrdzkA,. 11110s Into Pty and 480*4 off`, the ad Valor. in Cad to the "*I Sty consimang'. of 2,P96 aeres -,of leads wrl, sit in imw,,, partioularly def 3 A PtO Of Renton 9:401180"j, sit 10 tbOSK of So*' 443-51" MM,0 der: C;ajm at the Sw *or 6f goo 4-23-5 SMI'IbY 0* --i! 69 a S, alb mw w in of ad Sec 4,y 2:144.40. ft o 1 the, section with the Gentor-10 of 14th AT* X; tb a M, 52.91ft to a pt of - ou"s; th on a -owwo to .,-]Art 'or.. a radiusof 456 .00 ft 209.18 ft to a -pt of %4qMIdh , "'. .. ' 63.53'36" S, 676.11 ft, to a PA of qVrV*j I r4lk i =0f 30-00 ft- th X192yp 00 & Oury to -r t: of &�. R. ft) shoonts on 0 rMluum- aV3 '�J 0L ft, a a pt of $0494 th a"'OWSff* 00 fl; j th'. 11 V01, '" COO ;R 798-2 - t h X 1'02148" B, 209.21 f t, to e p# of awe t h on a owws to left, of a radiusof 381• ft, • a pt of abound Ow�ta; to %h on a ourve to lettthof a radium 38*151 of 183.00 ft, 329.96 ft t o a pt o! wags s 23^ w, 50.o0 ft, to a A of ourva= tht0 g4 Ourv57*to 57� r tf of a rediusOf 1026.90 ft, 193.17 ft; 110,00 ft" to the Maly agn of 15t4 Svc 2; -t 218 ani auras to Saft, of a radiuso[ 92,6.90 ft, 172..48 ft, to a pf of xangsrtt; th r 38'151X30 s 50.04. ft, to apt of auras; t b on a curve to rights of.a;�tb oor -00 "Cuma tt, 52$.29 ft, to a pt of oompauerde uthrr 39 33 ft to a to right, of a adi 1 of 411.00 ft, to 6 corner pt o2,' tariga art; th S 1 02'48 M, 206 •. of the forth gigb2ands "Grast ion oaatar; t h S 89 51 30 M, 110.00 ft, to She pob. y sub to all sowing lava, asters, li+enes xoiptions or intorsst■ of record or now existing on the premises abs desad• ` tgm all and siugu3ar, tt�aatenaaea�te;vhe iss pt■ and appvrtsnsuoea, sit ttrx appartaiaia�g, ane the revsraion gad .reVOIS. 0"s rsysindor and r♦Mlodesls, ruts, issues &tat-,prafits turof aid also ' : k all the *state, right, title, in#, ptr, p09sessioa, rad daataad whatsoever IDIAv as well as in t2' of the L. :{ ad grantor. Of, in or to tbefors"I" +sed ra► g, 0. 4798i3- ararl throf , toept as i torotbrof for ever part 10' ttor- d D and OX1101 1 as "W or restrict". Via* Xpr+sas r maerv0d, 40nd' ioaed, 11"t"dPty tv ars so eve and to hold th�t��e i�a 8 � A a� �� , Unto t�� �b�rt �b� � � Mde oppL,x.ti+napov1dd, now* Hoot. 1°Gb Of ttl+�*, D of the =3g 4oild�tlaos � grrpt�• aaaepted iota •ooh oaforoesbls Spat binding yD°q a. as f le t� the dt of this Oil be and Saari f t of O 2� Yra *a S and X, sl�S1 be utilised 1. That for a Dah>r'in o�rd, no• tiit31 dreg the ■bv 4asadptYOdggl �s is #dGthe app tad aoaCinuaus171 011 for ad rind plan p� and SAW lin as Mt rated the pruPpg4 prograu and P27 -5t, " seDD wtownt dated rite* dtd p rotes to the de# for ao of ohe ad iostions fro Pool and deg 2-57, a .. jsa 7 -55, iDr 12-55, rtlod of g0 thond ot Doc o y, pose • uring the of orasd DS On o Bother �t d ease, skis, or int thrill resell, 3.t throf oar gra,ntrs will abv 4e646 D#- °T any ipfupoatioo in disM°Sr of ta�•ata;'Y or hie •aefi only as t� Che appilaabir red uist ipDs stT a� brise rdanno with d pu110 aao 0 in Writing. ,fru 11* at a! this �uniess t hs8�aa � t 3 - �t one 3►r rood of 20 mss. t hraf ter for thr of c�rrMdPS ; . (ooa lt)res ......... . otherwise di�# tbf or his successor in fugotioa* its s�sa#saw to g� antoo will file with t porst + t " o other re cots ontkrioperation and �i �teaanoe o=' the tupctioa, tp and will fcuwSsb so 4 of the PtY for the abv diced 1? gout quvns ust Yiastion. port iaeot ds a ev idem Ing edit ions s•t Purpose spec if id in the ebV ,,deatiffed e a U t�# b d Inthe *vont of a breaoKof a 1 or purer iaibilit�iaa* forth •bv rrhett�s sob d� tbY o ohe rm any of the obl:LP of sd grantee, iat iosnd toth+a abv all right, tido aad . the hrin set forth to and beaoM daso4 Pty •hail, at its Option, revert web in add gotta slX te Pty of the ©nItd Sts tis rosM Other ��edi■ nor such br*a*d, s�lant#ev+ tt�~��A, ° .9 throe, cavi the sa �' right G. .ntry title ae'b let Sa and to the abv Shall for 'v it a 11 riSbt;11 of the 00W#nyand t#aa#oats, descd Pty enc i . appurtenanees th runto b61006105: his however, hereditament* # tbit t hefal lwoof the Sss t : or provided, to insist in swoons or more, ruoOesaor in function, or ae of say of the id insti ees upon p[ 1eb pan as a Mi1Yer or ,Conditions spall not � nsas of any such relin$uis��nt of the fut� P# grantees, its $ conditions, but the obiiptioar o! the ad Perfamso shell coot avid A, with-resPoot too ah f ti td� r that Sa the •vim to f nl 1 force s t �rseroise �t s ion 'to �'"eatit' t bs� the p8A 4!x ot, sd _oor�4ltlta.: .. for l~ such b"a 4877797 - grantac, its A and A. and Say sut■ *XP*ad" by t#* &1hator in vonnecti..athrwith shall forthir thtbithe &antor.duIf Me and oMing by the grSDOd o, 1"S Grantee, its S or A: shall s Cause -any apdssay to be lnso d agaat 1090, ds"g* suoh 1os9, daw ga or destruo10 oi0Q Shall occUb ur during -the e period grant" holds ti. 11 moneys31sto the gMGtN, its 1, 2 add 3, ad ins. a ntes, Its or A. thrunder shall be h"d intros bWtntee ttar the orA , and shall bepr�lused by theS S ork, of repairing sucheta and restoring thesaw+r to or, t ht- lr f or"r condition,, if not so um d, shall b9 pd over to t lamas of the 03 s l lora nce , not sxseedipg t he unssort ised public bsnf it The ad grantee by the acceptant■ ofatthis tdw- ,t =A covenants snd aga&, for itM she dh419red ail have the right during any period of emergency by the President of the DS or by thsdo as of the 88 t0 ontro 8 I'd WO of the be full Qw*stricted possession, °in1� ag any additions �y �y syd, or of any ptn throf, or iepr vts thrt o arch subsequent to this alra nae . 91g 0,*aglit Fib 1Q-58 b''- � � F• M' City a cc of Son Fr'arAisaa, w at grrlth, Bunter, Regional A abef Z. A. Sh9w, ap fator for R*9.10n Um pad city ao sad �ducItion and fisl�`a" _..�.e.. _.. 48777:8 -5 - #he dt of this oy804er thr Qorditionr Mt forth ahovvidW, &tl rights ofthe =A to r*-eotor as io tib pat' Pr ■ha31, sa Gnate, and be MUMVISbOd- o that tide taitbt► ahv dosed pis In the ;---,a ar voiastarily rroyd reverted to thOUS for noaooW, in lieu of roverter, tie sa Jpru its :ands, at for option of t be Seat,, or his �YOe�.AOs" inlgn�#iota, shall be responsible and shall be rquircd to Ebb�w## � the VSA for the onableo�randatear,taatstof �. al alteretue io n and reasonable aoaversioas wade by for ad gmatee to adapt 060Y to to The USA educational ase for ■O h t hepty 90i - rs U1"4or 6~16, $fall, in additiion thrto, be reioti�-. +� including such oostr1 of may be inour�d In recovering title to or possession oftbe abv d@&Pd Pty, Bait MW susta3a as a result of the noncompliance, sir sd granter "BY secure abrogation of the c onditioft numbered 1, 2 and 3 hrin by s a. obtaining the consent of theft@•1 , or bla •nooesa- or in fucloationj and b . Pet 'to the nS of the publle brctfit aiiowanse grantrd to the gan " of loo r out ft+s aw Q sarkst valve of ss a ore& at for , sate of . sd pubiia benefit allowance for each 12 dar�ad• Wich the.:• �] baa been utilised in accordance Mite thm -p• _ , , 48777918-6- = specirod is the abv idontifled application to nos of t his deed Q ov She grantee, by the coop° that at all Holes and agrees for itself, its S or A, t is vested in the durirg the Period that title 2�orap3 hrsnbrf Mt S" X:4 sub to=oad�.tions 1� swab ttragradtar a�ceroisu the tIN FrJ-oe t for any period du�riai °cease; control sad ase ti�biaaM � :it,* ave° in t next t o eed1 par hraf) tha gra nM ne=t suW ,t and *XpeleN keen Bad maintain Mia attoa t a'cw time sole ova a1, bldgs, struict+M+s end o4es� free Including in good order,. condition and repair, situgfon ad pts• of %tire *am *heli fro any waste; and in the m lost of dhatrayed need repair, or shall beaver Near and tser: act• or 00 by any eaure of her than ordift tbe grao'tee to adept or alter#tions or conversions 1eiads by the grantee will theptY to thsuN for rot�rvtsit asrrda s � the s "No to prompt ly repair such lW Qtee, ith S or A, their for r Qadition. Should t rvtrahneed repair or or xwplaas any ' as aforesd within foil to repair s or destroyed .+c r, luau• beoniost , da Se iven to the gr or a�aIN go dy• arterwritten ntc ao to da, t gMS sad !►. the mot, or his suddessoriotrthe sriatdw fro Or be atattorlmd, as the �s and to cants snob rrpmw ottbe to enter %Don the prom a bobs If sand at t replaee AtO to be ° {ova t ro Form No. 14 Subdivision Guarantee Guarantee No.: NCS-462326-WAl Of 9 aivi"3rora DEC 2 0 lVjj GUARANTEE Issued by First American Title Insurance Company 818 Stewart Street, Suite 804, Seattle, WA 95101 Title Officer: Jeffrey Illman Phone: (206)728-0400 FAX (206)445-6348 First American Title Insurance Company Form No. 14 Subdivision Guarantee (4-10-75) LIABILITY FEE Guarantee No.: NCS-462326-WA1 Page No.: 1 AtlFAlf, First American Title Insurance Company tvational commew al Services 818 Stewart Street, Suite 800, Seattle, WA 98101 (206)728-0400 - (800)526-7544 FAX (206)448-6348 $ 3,000.00 SUBDIVISION GUARANTEE ORDER NO.: NCS-462326-WA1 $ 500.00 TAX $ 47.50 YOUR REF.: First American Title Insurance Company a Corporation, herein called the Company Subject to the Liability Exclusions and Limitations set forth below and in Schedule A. GUARANTEES ESM Consulting Engineers, LLC Hili Crest herein called the Assured, against loss not exceeding the liability amount stated above which the Assured shall sustain by reason of any incorrectness in the assurances set forth in Schedule A. LIABILITY EXCLUSIONS AND LIMITATIONS r. No guarantee is given nor liability assumed with respect to the validity, legal effect or priority of any matter shown therein. 2. The Company's liability hereunder shall be limited to the amount of actual loss sustained by the Assured because of reliance upon the assurance herein set forth, but in no event shall the Company's liability exceed the liability amount set forth above. 3. This Guarantee is restricted to the use of the Assured for the purpose of providing title evidence as may be required when subdividing land pursuant to the provisions of Chapter 58.17, R.C.W., and the local regulations and ordinances adopted pursuant to said statute. It is not to be used as a basis for closing any transaction affecting title to said property. Dated: November 09, 2010 at 7:30 A.M. First American Title Insurance Company Form No, 14 Subdivision Guarantee (4-10-7S) SCHEDULE A The assurances referred to on the face page are: A. Title is vested in: Guarantee No,: NCS-462326-WAI Page No.: 2 Renton School District No, 403, a political subdivision of the State of Washington B. That according to the Company's title plant records relative to the following described real property (including those records maintained and indexed by name), there are no other documents affecting title to said real property or any portion thereof, other than those shown below under Record Matters. The following matters are excluded from the coverage of this Guarantee: 1. Unpatented Mining Claims, reservations or exceptions in patents or in acts authorizing the issuance thereof. 2. Water rights, claims or title to water. 3. Tax Deeds to the State of Washington. 4. Documents pertaining to mineral estates. DESCRIPTION: Parcel I: Tract A, Block 5, Renton Highlands No. 2, Corrected Plat recorded in Volume 57 of Plats, Pages 92 to 98, inclusive, records of King County, Washington, LESS that portion lying Easterly of a line beginning at the Northwest corner of Tract B of said plat; thence North 04041'00 East to the Northerly line of Tract A. Parcel II: Tract C, Block 5, Renton Highlands No. 2, Corrected Plat recorded in Volume 57 of Plats, Pages 92 to 98, inclusive, records of King County, Washington, LESS that portion lying Easterly of a line beginning at the Northwest corner of Tract B of said plat; thence North 04°41'00 East to the Northerly line of Tract C. APN; 722780-0135-03 APN; 722780-0155-08 First American %tle Insurance Company Form No. 14 Subdivision Guarantee (4-10-75) RECORD MATTERS: Guarantee No.: NCS-462326-WA1 Page No.: 3 Lien of the Real Estate Excise Sales Tax and Surcharge upon any sale of said premises, if unpaid. As of the date herein, the excise tax rate for the City of Renton is at 1.78%. Levy/Area Code: 2100 For all transactions recorded on or after 3uly 1, 3005: • A fee of $10.00 will be charged on all exempt transactions; • A fee of $5.00 will be charged on all taxable transactions in addition to the excise tax due. 2. Liability, if any, for pro -rata portion of Real Property taxes which are carried on the King County Tax Rolls, as tax account no. 722780-0135-03, are exempt. We note Special Charges for the year 2010 in the amount of $13.00, of which $13.00 has been paid. Balance due: $00.00. (Affects Parcel I) Liability, if any, for pro -rata portion of Real Property taxes which are carried on the King County Tax Rolls, as tax account no. 722780-0155-08, are exempt. We note Special Charges for the year 2010 in the amount of $12.24, of which $12.24 has been paid. Balance due: $00.00. (Affects Parcel II) 4. Co liens if any of the City of Renton Restrictions, conditions, dedications, notes, easements and provisions, if any, as contained and/or delineated on the face of the Corrected Plat of Renton Highlands No. 2 recorded in Volume 57, Page 92, in King County, Washington. 6. Easement, including terms and provisions contained therein: Recording Information: March 4, 1965, Recorders No. 5852489 In Favor of: the City of Renton For: utilities The effect if any of quitclaim deed from Secretary of of Housing and Urban Development to the City of Renton, recorded April 4, 1966, Recorders No. 6009513, as to all playgrounds, parks, public use and service areas, alleys, streets and avenues. Easement, including terms and provisions contained therein: Recording Information: October 4, 1967, Recorders No. 6244518 In Favor of: The City of Renton For: right of way First American rt'e Insurance Company Form No. 14 Subdivision Guarantee (4-10-75) Guarantee No.: NCS-462326-WAI Page No.: 4 9. Easement, including terms and provisions contained therein: Recording Information: September 26, 2005, Recorders No. 20050926003394 In Favor of: Puget Sound Energy, Inc. For: gas and electric utility systems 10. Easement, including terms and provisions contained therein: Recording Information; April 16, 2007, Recorders No. 20070416000702 In Favor of: City of Renton For: waterline 11. Unrecorded leaseholds, if any, rights of vendors and security agreement on personal property and rights of tenants, and secured parties to remove trade fixtures at the expiration of the term. INFORMATIONAL NOTES A. Any sketch attached hereto is done so as a courtesy only and is not part of any title commitment or policy. It is furnished solely for the purpose of assisting in locating the premises and First American expressly disclaims any liability which may result from reliance made upon it. First American Title Insurance Company Form No. 14 Subdivision Guarantee (4-10-75) Guarantee No.: NCS-462326-WAl Page No.: 5 SCHEDULE OF EXCLUSIONS FROM COVERAGE OF THIS GUARANTEE 1. Except to the extent that specific assurance are provided in Schedule A of this Guarantee, the Company assumes no liability for loss or damage by reason of the following: (a) Defects, liens, encumbrances, adverse claims or other matters against the title, whether or not shown by the public records. (b) (1) Taxes or assessments of any taxing authority that levies taxes or assessments on real property; or, (2) Proceedings by a public agency which may result in taxes or assessments, or notices of such proceedings, whether or not the matters excluded under (1) or (2) are shown by the records of the taxing authority or by the public records. (c) (1) Unpatented mining claims; (2) reservations or exceptions in patents or in Acts authorizing the issuance thereof; (3) water rights, claims or title to water, whether or not the matters excluded under (1), (2) or (3) are shown by the public records. 2. Notwithstanding any specific assurances which are provided in Schedule A of this Guarantee, the Company assumes no liability for loss or damage by reason of the following: (a) Defects, liens, encumbrances, adverse claims or other matters affecting the title to any property beyond the lines of the land expressly described in the description set forth in Schedule (A), (C) or in Part 2 of this Guarantee, or title to streets, roads, avenues, lanes, ways or waterways to which such land abuts, or the right to maintain therein vaults, tunnels, ramps, or any structure or improvements; or any rights or easements therein, unless such property, rights or easements are expressly and specifically set forth in said description. (b) Defects, liens, encumbrances, adverse claims or other matters, whether or not shown by the public records; (1) which are created, suffered, assumed or agreed to by one or more of the Assureds; (2) which result in no loss to the Assured; or (3) which do not result in the Invalidity or potential invalidity of any judicial or non -judicial proceeding which is within the scope and purpose of the assurances provided. (c) The identity of any party shown or referred to in Schedule A. (d) The validity, legal effect or priority of any matter shown or referred to in this Guarantee. GUARANTEE CONDITIONS AND STIPULATIONS 1. Definition of Terms. The following terms when used in the Guarantee mean: (a) the "Assured": the party or parties named as the Assured in this Guarantee, or on a supplemental writing executed by the Company. (b) "land", the land described or referred to in Schedule (A) (C) or in Part 2, and improvements affixed thereto which by law constitute real property. The term "land" does not include any property beyond the lines of the area described or referred to in Schedule (A) (C) or in Part 2, nor any right, title, interest, estate or easement in abutting streets, roads, avenues, alleys, lanes, ways or waterways. (c) "mortgage mortgage, deed of trust, trust deed, or other security instrument. (d) "public records" : records established under state statutes at Date of Guarantee for the purpose of imparting constructive notice of matters relating to real property to purchasers for value and without knowledge. (e) "date": the effective date. 2. Notice of Claim to be Given by Assured Claimant. An Assured shall notify the Company promptly in writing in case knowledge shall come to an Assured hereunder of any claim of title or interest which is adverse to the title to the estate or interest, as stated herein, and which might cause loss or damage for which the Company may be liable by virtue of this Guarantee. If prompt notice shall not be given to the Company, then all liability of the Company shall terminate with regard to the matter or matters for which prompt notice is required; provided, however, that failure to notify the Company shall in no case prejudice the rights of any Assured under this Guarantee unless the Company shall be prejudiced by the failure and then only to the extent of the prejudice. 3. No Duty to Defend or Prosecute. The Company shall have no duty to defend or prosecute any action or proceeding to which the Assured is a party, notwithstanding the nature of any allegation in such action or proceeding. 4. Company's Option to Defend or Prosecute Actions; Duty of Assured Claimant to Cooperate. Even though the Company has no duty to defend or prosecute as set forth in Paragraph 3 above: (a) The Company shall have the right, at its sole option and cost, to institute and prosecute any action or proceeding, interpose a defense, as limited in (b), or to do any other act which in its opinion may be necessary or desirable to establish the title to the estate or interest as stated herein, or to establish the lien rights of the Assured, or to prevent or reduce loss or damage to the Assured. The Company may take any appropriate action under the terms of this Guarantee, whether or not it shall be Gable hereunder, and shall not thereby concede liability or waive any provision of this Guarantee. if the Company shall exercise its rights under this paragraph, it shall do so diligently. (b) If the Company elects to exercise its options as stated in Paragraph 4(a) the Company shall have the right to select counsel of its choice (subject to the right of such Assured to object for reasonable cause) to represent the Assured and shall not be liable for and will not pay the fees of any other counsel, nor will the Company pay any fees, costs or expenses incurred by an Assured in the defense of those causes of action which allege matters not covered by this Guarantee. (c) Whenever the Company shall have brought an action or interposed a defense as permitted by the provisions of this Guarantee, the Company may pursue any litigation to final determination by a court of competent jurisdiction and expressly reserves the right, in its sale discretion, to appeal from an adverse judgment or order. (d) In all cases where this Guarantee permits the Company to prosecute or provide for the defense of any action or proceeding, an Assured shall secure to the Company the right to so prosecute or provide for the defense of any action or proceeding, and all appeals therein, and permit the Company to use, at its option, the name of such Assured for this purpose. Whenever requested by the Company, an Assured, at the Companys expense, shall give the Company all reasonable aid in any action or proceeding, securing evidence, obtaining witnesses, prosecuting or defending the action or lawful act which in the opinion of the Company may be necessary or desirable to establish the title to the estate or interest as stated herein, or to establish the lien rights of the Assured. if the Company is prejudiced by the failure of the Assured to furnish the required cooperation, the Company's obligations to the Assured under the Guarantee shall terminate. 5. Proof of Loss or Damage. In addition to and after the notices required under Section 2 of these Conditions and Stipulations have been provided to the Company, a proof of loss or damage signed and sworn to by the Assured shall be furnished to the Company within ninety (94) days after the Assured shall ascertain the facts giving rise to the loss or damage. The proof of loss or damage shall describe the matters covered by this Guarantee which constitute the basis of loss or damage and shad state, to the extent possible, the basis of calculating the amount of the loss or damage. If the Company is prejudiced by the failure of the Assured to provide the required proof of loss or damage, the Company's obligation to such Assured under the Guarantee shall terminate. In addition, the Assured may reasonably be required to submit m examination under oath by any authorized representative of the Company and shall produce for examination, inspection and copying, at such reasonable times and places as may be designated by any authorized representative of the Company, all records, books, ledgers, checks, correspondence and memoranda, whether bearing a date before or after Date of Guarantee, which reasonably pertain to the loss or damage. Further, if requested by any authorized representative of the Company, the Assured shall grant its permission, in writing, for any authorized representative of the Company to examine, inspect and copy all records, books, ledgers, checks, correspondence and memoranda in the custody or control of a third party, which reasonably pertain to the Loss or Damage. All information designated as confidential by the Assured provided to the Company, pursuant to this Section shall not be disclosed to others unless, in the reasonable judgment of the Company, it is necessary in the administration of the claim. Failure of the Assured to submit for examination under oath, produce other reasonably requested information or grant permission to secure reasonably necessary information from third parties as required in the above paragraph, unless prohibited by law or governmental regulation, shall terminate any liability of the Company under this Guarantee to the Assured for that claim. Form No. 1282 (Rev. 12/15/45) First American Title Insurance Company 6. Options to Pay or otherwise Settle Claims: Termination of Liability. In case of a claim under this Guarantee, the Company shall have the following additional options: (a) To Pay or Tender Payment of the Amount or Liability or to Purchase the Indebtedness. The Company shall have the option to pay or settle or compromise for or in the name of the Assured any claim which could result in loss to the Assured within the coverage of this Guarantee, or to pay the full amount of this Guarantee or, if this Guarantee is issued for the benefit of a holder of a mortgage or a lieriholder, the Company shall have the option to purchase the indebtedness secured by said mortgage or said lien for the amount owing thereon, together with any costs, reasonable attorneys' fees and expenses incurred by the Assured claimant which were authorized by the Company up to the time of purchase, Such purchase, payment or tender of payment of the full amount of the Guarantee shall terminate all liability of the Company hereunder. In the event after notice of claim has been given to the Company by the Assured the Company offers to purchase said indebtedness, the owner of such indebtedness shall transfer and assign said indebtedness, together with any collateral security, to the Company upon payment of the purchase price. Upon the exercise by the Company of the option provided for in Paragraph (d) the Company's obligation to the Assured under this Guarantee for the claimed loss or damage, other than to make the payment required in that paragraph, shall terminate, including any obligation to continue the defense or prosecution of any litigation for which the Company has exercised its options under Paragraph 4, and the Guarantee shall be surrendered to the Company for cancellation. (b) To Pay or Otherwise Settle With Parties Other Than the Assured or With the Assured Claimant. To pay or otherwise settle with other parties for or in the name of an Assured claimant any claim Assured against under this Guarantee, together with any costs, attorneys' fees and expenses incurred by the Assured claimant which were authorized by the Company up to the time of payment and which the Company is obligated to pay. Upon the exercise by the Company of the option provided for in Paragraph (b) the Company's obligation to the Assured under this Guarantee for the claimed loss or damage, other than to make the payment required in that paragraph, shall terminate, including any obligation to continue the defense or prosecution of any litigation for which the Company has exercised its options under Paragraph 4, 7. Determination and Extent of Liability. This Guarantee is a contract of Indemnity against actual monetary loss or damage sustained or incurred by the Assured claimant who has suffered loss or damage by reason of reliance upon the assurances set forth in this Guarantee and only to the extent herein described, and subject to the Exclusions From Coverage of This Guarantee. The Liability of the Company under this Guarantee to the Assured shall not exceed the least of: (a) the amount of liability stated in Schedule A or in Part 2; (b) the amount of the unpaid principal indebtedness secured by the mortgage of an Assured mortgagee, as limited or provided under Section 6 of these Conditions and Stipulations or as reduced under Section 9 of these Conditions and Stipulations, at the time the loss or damage Assured against by this Guarantee occurs, together with interest thereon; or (c) the difference between the value of the estate or interest covered hereby as stated herein and the value of the estate or interest subject to any defect, lien or encumbrance Assured against by this Guarantee. S. Limitation of Liability. (a) If the Company establishes the title, or removes the alleged defect, lien or encumbrance, or cures any other matter Assured against by this Guarantee in a reasonably diligent manner by any method, including litigation and the completion of any appeals therefrom, it shall have fully performed its obligations with respect to that matter and shall not be liable for any loss or damage caused thereby. (b) In the event of any litigation by the Company or with the Company's consent, the Company shall have no liability for loss or damage until there has been a final determination by a court of competent jurisdiction, and disposition of all appeals therefrom, adverse to the title, as stated herein, (c) The Company shall not be liable for loss or damage to any Assured for liability voluntarily assumed by the Assured in setting any claim or suit without the prior written consent of the Company. 9. Reduction of Liability or Termination of Liability. All payments under this Guarantee, except payments made for costs, attorneys' fees and expenses pursuant to Paragraph 4 shall reduce the amount of liability pro tanto. 10. Payment of Loss. (a) No payment shall be made without producing this Guarantee for endorsement of the payment unless the Guarantee has been last or destroyed, in which case proof of loss or destruction shall be furnished to the satisfaction of the Company. (b) When liability and the extent of loss or damage has been definitely fixed in accordance with these Conditions and Stipulations, the loss or damage shall be payable within thirty (30) days thereafter. 11. Subrogation Upon Payment or Settlement. Whenever the Company shall have settled and paid a claim under this Guarantee, all right of subrogation shall vest in the Company unaffected by any act of the Assured claimant. The Company shall be subrogated to and be entitled to all rights and remedies which the Assured would have had against any person or property in respect to the claim had this Guarantee not been issued. If requested by the Company, the Assured shall transfer to the Company all rights and remedies against any person or property necessary in order to perfect this right of subrogation. The Assured shall permit the Company to sue, compromise or settle in the name of the Assured and to use the name of the Assured in any transaction or litigation involving these rights or remedies. If a payment on account of a claim does not fully cover the loss of the Assured the Company shall be subrogated to all rights and remedies of the Assured after the Assured shall have recovered its principal, interest, and costs of collection. 12. Arbitration. Unless prohibited by applicable law, either the Company or the Assured may demand arbitration pursuant to the Title Insurance Arbitration Rules of the American Arbitration Association. Arbitrable matters may include, but are not limited to, any controversy or claim between the Company and the Assured arising out of or relating to this Guarantee, any service of the Company in connection with its issuance or the breach of a Guarantee provision or other obligation. All arbitrable matters when the Amount of Liability is $1,000,000 or less shall be arbitrated at the option of either the Company or the Assured, All arbitrable matters when the amount of liability is in excess of $1,000,000 shall be arbitrated only when agreed to by both the Company and the Assured, The Rules in effect at Date or Guarantee shall be binding upon the parties. The award may include attorneys' fees only if the laws of the state in which the land Is located permits a court to award attorneys' fees to a prevailing party, ]udgment upon the award rendered by the Arbitrator(s) may be entered in any court having jurisdiction thereof. The law of the situs of the land shall apply to an arbitration under the Title Insurance Arbitration Rules. A copy of the Rules may he obtained from the Company upon request. 13. Liability Limited to This Guarantee; Guarantee Entire Contract. (a) This Guarantee together with all endorsements, if any, attached hereto by the Company is the entire Guarantee and contract between the Assured and the Company. In interpreting any provision of this Guarantee, this Guarantee shall be construed as a whole_ (b) Any claim of loss or damage, whether or not based on negligence, or any action asserting such claim, shall be restricted to this Guarantee. (c) No amendment of or endorsement to this Guarantee can be made except by a writing endorsed hereon or attached hereto signed by either the President, a Vice President, the Secretary, an Assistant Secretary, or validating officer or authorized signatory of the Company, 14. Notices, Where Sent, All notices required to be given the Company and any statement in writing required to he furnished the Company shall include the number of this Guarantee and shall be addressed to the Company at 2 First American Way_ Bldg, 2, Santa Ana, CA. 91707, Form No. 1x82 (Rev, 12115195) First American Title Insurance Company r - r„ , .. - . 58.5489 - � - , rot fKE �� ' - PtRPMAL FASEMENT KNOW AM M way Twzu PRk Borm.. ThaL _M!ten 65�6'mx Diatrlct AL rattom Of ONE Down grid - 4AMT 100d and Y@JMW doeffiocr%ttob, rftelpt of VtlWb $$)%enty, " =i= . by Cmilt. release ILPA'Anvty Wn'+0 (14C PM or Akh"K- A MVFACIPM CorparaUft of -the Witt Of W&Lh)nffibn. -Party Of the wc*dd part,- tl} An 36', eaeomect Ln for Ut"'ty_.P0-PQ"`5 Over th0,-COUDIT11w doseribo4 All that portioti of 1x4'aLat A, Block -5j, Rant;6n fd&h12Atkff 110. 2 COrTcet&d plat accordlrt. to Vcamw $1. 01 pjgto, pdgazi 92 to 9.1 inclusim,'mcorliz of rUjg flip conterliiuo'*� UTA emawLerit dcarribed so f*jj&wsj, at tho70" z'*uthw9utVP1Y cur"Or OC rr4M OB", saki:;@nton idghlands ',to. 2 00�f*icirbd Mat; tb&nC* north 350351 LAst alone the wazteri'v- line .of sa'd-Tr&0-4 distance nr 27-03 feo:ti; tharica north coil' jjst a distance of 2J.D feet alon; thR wehtarly.R.Tie or qidd Traoi."Itruel to tho true poiTr� ofdeg_ in.-Jit'.7; "nqelorth 524a I _110st 112.00 feet to -t" tt"Mltitin of said And the patty Of the kcamd part to have IM the parperm of construction, Wait, SMIC1. end M&Lntcnamec of Afw&4e PIPt lines and any etur public uttiLuej and somm, .1M WTTNF 13 WHIMEOr the 6.10 3)aMU)kmVt "jonte wt Lhrjj hantg Una aegis _4 tls_.,.. _.—L day I)f . . .... .... .. . ... 1965 AMM'Scilom VXST�xcr No. Z7 Vice- rrdaLdent Secretary 6TA7E 01' WASHINGTON 1• the undetsiarnird Notary Nwit in' and for the StLi" Of Weahindt", "FIdInk in FLCRUM. W"hin Ilmn d. 31444Y cwrt11Y that on the 1961[R3 per4amMy ap�r-hd .......... R-Asabum_ _. I ... ......... hkwfff� 9hx?#AO4WM to be'h4!1ndJvJdv*iad#jwe0md in and whocate.1,d[jilt game ej Lheir free and vecintary @At and OM purpmem herebt riteRManed. 04 Omcw ma! thil OF 4 - % )9Dt'rY P bit %nd-ler tht-11Wk of WamILInSUml, No. raidekknt in Revioh, K'A JO R"o'A 1?tal%Y N04f •A MARY A. MOM, Aidba i', CIAM DEER Ya to PA[f i3 I1 I E Tei 0&AIiTDa, thg Slatsi,ng Authority of the City of Renton, Washington, a azicipal eoryiararion, for and In consideration f Of One .Dollar ($1._00) and other valuahie em#iderstiom conveys and quit claims to the City of titan, a municipal corj oration, �I I� the following described real estate, situssed in the County of i King, .Stat$ Of Washington, inbluding any Lnterest therein a �( which grantor msy hereafter acquire: R right of Key 5o feet- in width over Portions of Tracts A and C, of $LaCk' $, Corrected Plat of ReRCOl1 Highlands 6 2, according to plat recorded in Volvo* 57 of Plata, pages 4248 inclusive, records of XjnS Cmmty, WAAhiwwgtan, the center iline of Said Tight of way being described wen follows; Beginning at the intersoctim of the center lines of 14th Place North and "K" Street 96 ghowm in said sub-divisiaa of Corrected Plat. of Rexton tiiShlauds No. 2; thence Horth Vg?' 461' East 'albng the center lira of "x" Street a distance of 40.05 #net, thence North 881152114" West 30 fest to the true poLAt of beginning; thence continuing North 8852'14" West a d;stance of 45.20 feet; thence WmStcriy and Kotrtherly along Cho ac of a curve to the right with a radius of 90,00 feet, through AU Mngle of 85"21158", a diatante of 134.09 feet; thence Worth 3°30116" West a distswe of 151.03 footj thence Sowrtbwseste>rly al.ang Che arc Of a curve to the left with # ouS 11 angle o a distance of 71.67 fest; tlwree• North 49•$304711 West a distance of 98.30 feet: ►iso tvgetber w Lab a 10 foo[ right -of -My f r straot parpaaes aysx MUD= of said $Tette A sad C. tea brat*g lim vfr4993 wA41 1 of said sight -of -way being de$cribed as follovm: BegiMUDS At the termination of the canter line of the previously described 50 fact wide right-of-xay; thence continufi7� North 49'53'47" West a distaste of 5.26 feet, thence North- easterly along the aro of a curve to the right with a radius of 95.00 feet, through an angle of 54°546471, a distance of 90,50 fent thence North 4'41100" East a distance of 97.54 feet to the S&uthariy margin of "V Street. Also All those portions of Tracts A and C lying westerly of said previously described 50 foot widc xight•of•way and eee[erly end southerly of the fnlLoxing described line; Beginning at the termination of the centerline of the nre- triaualy 4e24ribe4 50'fact wide right-of-way; -thence south 40' 001.3" Vest a distance of 20 feet to the center of a circular turnout for street jurposes with a radius of 45 feet; thence South 43`33122" Bast from the center of said turnout a distance of 45 #eet to a point on the narthexly margin of maid 50 foot wide right-of-way " the true point of beginning; thence vasterLy, northerly* and easterly, aLoeg the arc of a curve to the right, radius 45 feet, through, an angle of 263439'35" a distance of 207.08 feet to the northerly =rgio of said pre- vioualy dtsarlbod So foot wide right-of-way; leas that portion previously described for 30 foot wide right.of-way. Also together with those eortians of Traces A and G lying weatorly of amid 50 foot right-of-way and saatarly► of the i fA120wing dsscrLbad line; BrgLutipg at a i #nC on the center line of ;aid '30 foot right- ofnvsy North 8a'52'14" West 95.20 feet from the Czue point of � b§41=109 of said slgbt-of-way; thanes westerly and Morghe,ely 1 01409 the arc of a curve to the rlgkt, radius 90.00 feet, a die- fY aisnet of 119.09 feet to 4 point bearipSg 6Pueh 77•02'00" Weac - a • :rr '*L %Ml from the center of said curve; thence Scuta[ 77'O2'DO" west a distance of 12.5 feet to the Center of A clscuiar turnout for street purposes with a radius of 45 feet; thence South 4`04109" East from the center of said turnout a distgnce of 45 feet to t the Westerly margin of aef.d 50 fact right-af-way and the true point of begirufng; thence Weatarly and Northerly alvog Che are of A curve CO the tight, radius 45 feet, a #istance of 116,57 feet more at Lase, to the Westerly zergin of said right -of -+ray. The Grantee, by acceptance of this Heed, aasumes full responsibility for the care and saintenarice of the street located an said deadead property and holds the Housing Authority J�of the City of Renton harmless. fzon any,liabilicy resulting from said cote a[nd maintenance Or lack chereof, IN WITNESS WHEREOF said Corporation has caused this Instrument to be executed by its proper officer& and its cor!)orate reel is to be hereunto affixed chis:itCday of May,1947. I HOUSTKO ACi11tORITY/OF C SUTE OF WASHI ON COUNTY GF KIl�G )] S8 Oat this day of KAY, 1967 before ca, the undersigned i Notary Wi a in and for the Stats of UashlssgRon dµly comwiea- mead and sworn, p• .6oaally a�.paarad LOUIS H#HRKH�i and TPXIE C, jMd o r tba Housss� "tharfty o City of Mutap, 1-10 asp i t cc: watiots t5at s��d tho tors gin= i�tru :1-10 sad xc • ted the said instrumm to bat - gree and volne"tAT r act and dead of asi&4orparetieft Ess the uses mad Purpo"s thersfu went 1 k1 oath ahead that they wave autborised to � arae aw �`ad s t gat%.the seal affixed to tb• tor- aL. A.� pe *� as+d ofttsal eaal be Affixed tt�e tir+ae wMittra. r r Ka 6oaii mNy The Arc1stant RWanal Adminiatratar of' tha HOU91M Asciet&nre Ad- miniatral,i� (Tnrxmriy Mow " the A+blis Ho"ng Adminiat.ret,iou), er Agency Cj %he United $tau`.a of America, 04NAE hereby errAorae thic Iws ru- meat vnl ccrsarrts to L:le 5krein &I.L&CMd Dehn, tY BUML to t.h! terms .�f LiAt c7enait: Drolaration C'W Iru.0 e. titmi j,tt.0 m, J'.ulc, ir, J!�� , LVto L^ Ho"ins Authority or oe City or RCnLWt, a Nblic body corporarf.tr And 1Y C }r,iitlC, arld the Public ihrusirg AdmtrlV.r&LlUri, orrALeu drlpe the U.•. 5txte� tluuaing Act of 1937, PU!:lit .Carr No, 4V, $avPr:ty.lif�r. r:nrtrur.,, wic) racorded June 1L, 11,62, ao Iri&Lrunei,t Ku. ,43!5?,• ;�: V(AP&W., i;4hl at;riC1F1 HO0C*'ds, C. tbt Off iCfr Lf' t•+ • iss*earnar n,' i UttLtC aS �'atih rU',5uti. Dr. tart JU i.�E Z HOMING A$516'1'ANCt April►a]':% NAS'±r,rC i stent R dnt iAd7n :: i 3i rE S . r STATa moi' 4CALIKaRNIA ) MY A?M ('vlriP T M 91: Aeii icuico) Caanty; VW10nally appeamd F Jo ivoo Snrtr r %mwn La Ai F• e e l'w4 q iu be the AssiatAuL Re6l0;rbl Ad#KiclstraLor of the HOMING 056It+TAIM .1lhMi1PlSliiAil41+, tier :,:.i,ey 8+' tbe. Un11,ad yiaies of Aia riga that oxecute: Lhe Vli.hir: luctrwknL, said knm to me LO t'c5 Lhe pewsolrs rhu cxrc,:Lrci ;,r.R' ulthin lfl&U%m tln'L an bebt,.if ct titre Arrancy thoroin named and Acknowledged WITAIC" *r ;rAnd And oftlaUa real thR tlgy and year Nr -At a 4y4•a �' veitten, Mt &" e�3•, ana�� ;qty';: �� . tf Ban rreaciscoi 5"ta d# {ii4liYCq :! PAL't Lltm A.Ltah �.'9!!.. e►tirix!!yrl! ' .KJ All t Puget Sound Energy, INC. PO BOX 97034, EST — 06W Bellevue, WA 98009-9734 WRC r EASEMENT ORIGINAL(customer form) 003394 34,00 20050926003394.004 REFERENCE41: GRANTEE: PVGET SOU NF tGY, 1NG� ..Q" 1 1/ ' SHORT LEGAL: T' B�C� � Rr1.1r -bA fl,6 WAAAsa full legal on Page ASSESSOR'S PROPERTYI`4 ARCM: tzzm-d-5s OP or U MAP NO: 1 S EOL JDB Nt3: r% �r1 �f FILE: -5i� For and In consideration of One Do1jr,($1.0D) and other valuable consideration in hand paid. (°Grantor" herein), Its successors and ensigns hereby eaiveys and warrants m PUGET SOUND ENERGY, iNC., a Washinpton Corporation ("Gr6lie' herein). Its successors and assigns for the purposes hereinafter set forth, a nonexclusive perpetual easeira t over, under, along, across and through the following desarlbad real Property (`Property' herein) inCounty, Washington: SEE EXHI13tT -W ATTACHED HERETO AND BY THIS REFERENCE MADE A PART HOOF, EASEMENT LOCATION: E:reept as may that portion of the Prop"E erty (Ihe asem.0 wiidth on aach side of the conteriine of Gri relocated on the Property excapt lobi foundatlens, andfor subsurface structured 1, Purpose. Grantee shall have the•t m replace, Improve, raove, and enlarge o, Salo of gas and electricity. Tope! with emmise its rights hereunder. As ursetl Yid are naceseary, in the judgment of Gnintol 2_ GIIIor'a Use of Easement A,*s.' furtheregyeas not to place trees. roakerie the exercise of Gran a's rights herein.. (SATEDihleI day of Aropaft herb n) that Ids ten herein Grantee idffs having fivve 2. feetbe '�af such tee s systerm located as constructed or to be constru erdeaded or portions of the Property occupled by "Sung bulld�ng footings, lit to use the Easement Area W construct, operate, maintain, repair, r or more 1r0Aty systems for pwposss of transmission, distribution and is rit m of access over and acrasc said Property to enable Grantee to dn, the terns "syalems" shall Include aA appurtenances and facilities as for the epenybon and maintenance of said systems. rancoragroos not to erect any structures on said Easament Area. and Alemes or other obabuctims on the Property that would interfere with 2005. GRANTOR: BY: Kerr:: atG%&Tuf "Mf K QLbMM Or ALL CGGWMIAS of PROPERTY BY: Our farm rWoa tS�'CAxNor tnn ot°�,Gv a' LAK! 20050926003394.002 STATE OF WASHINGTON ) SS COF OUNTY of appeared_22005,bl for% �7 a of Washington, nd swam, personalty nG to rge known to be the individual(a) who executed the within and foragoing instrument. and arjmowladged thot —2LA slperd the some as free and voluntary act and deed for the uses and purposed therein mentioned. GIVEN un[ Kum par xe�t andai� •areGan mewl M iroioe l' m'I(int (�w ACKKV1� STATE OF WASHINGTON ) }SS COUNTY OF ) this hereto affixed the day and year in this cer0 ala first above written. i 1 4a PAPA 4afllt�gl P 't or stamp name of Notary) TARY PUBLIC' te S to shington, residing at ff�� My appointment expires 1!2// On this day of 2005, before rrre, the undersigned, a Notary Public in and for the Stale of Washington, duly commissioned and mom, personally appeared to me known to be the Pierson who signed es of . the oorporaliion that executed the wrlhin and foregoing Instrument, and acknowledged said instrument to he hisftr free and voluntary act and deed and the flue and voluntary ae(and deed of for the uses and purposes therein mentioned; and on oath stated that was authorized to execute the said hatrument on behalf of said IN WITNESS WHEREOF I have hereunto set my hand and official seal the day and yaar first above written. (print or stamp name of Notary) NOTARY PUBLIC In and for the Stale of Washington, residing at My appotrflnent expires NOL" 20M. INA SM w nawans me1+0* ai+6e +• nA,gMs tcrarePEPPOW AIM cww,c" STATE OF WASHINGTON } } SS COUNTY OF ) On this day of , 2005. before fie, the undersigned, a Nwary Public In and for the State cf Washington, duty oomrnissioned and swam, personalty appeared arra .to me known to be the Individual(s) who signed as of the that executed the w%hln and foregoing instrument, and acknowledged said instrument to he histher free and voluntary act and deed and the free and votuntary act and deed of for the uses and purposes therein mentioned; and on oath stated that was authorized to execute the said Instrument on behalf of said IN WITNESS WHEREOF I have hereunto set my had and official seal the day and year first above written, (PM or alarm name of Notary) NOTARY PUBLIC In and for the State of Washington, rarldtng al _ Wrrahwl, Pod end a ndwkwu nwx bel" $,.rMl bu MY appvlrrtrnent exp3n3s CIM romp&2M i 20050926003394.003 Exhibit "A" Legal [description APN:7227600135 Tract A, Block 5, Renton Highlands, leo. 2, corrected plat according to Volume 57 of Plats, Pages 92 to 98 inclusive, records of ling County, Washington. Fikrest Rem Schcol WDNO: 105037047 RMT: 55318 Date: September 2005 Page 3/3 I 20070416000702.001 Return Address: City Clerk's Office City of Renton 1055 South Grady Way Renton; WA 98055 20070416000702 CITY OF RENTON 6AS 35.00 PAGE061 OF 004 04/16/2007 71:05 KItiG COUNTY, UA WA'T'ER UTILITY EASEMENT Property Tax Parcel Number: Project File #; a Street Intersection or Prgcct Name: Reference Number(s) of boeuments assigned or released: Additional reference numbers are on page Gr #a � Grantee * 1. 1. City of Renton, a Municipal Corporation 2. The Grantor(s), as named above, for and in consideration of and other valuable consideration, do by these presents, grant, bargain, sell, convey, and wammt unto the above darned Grantee, its successors and assigns, an easement for public water line with necessary appwten=ces over, udder, throagh, across and upon the following described property- { the right -of -tray i in fang County, 1oVag1W1,ztolL wore particulirh' descrilvd as follows: See Exhihit "A" and Map Exhibit rl�t`tclCJ /91ral c? GIDE TAX NOT REQUIRIP �`c�i�htsor-- PWED009.dad Page 1 FORM 03 0009?bW 20070416000702,002 For the purpose of constructing, teoonstructing, installing, repairing, replacing, enlarging, operating and maintaining Water Line utilities and utility pipelipes, together with the right of ingress and egress thereto without prior institution of any suit or proceedings of law and without incurring any ht:gah obligation or liability therefor. Following the initial construction of its facilities, Grantee may from time to time construct soclt additional facilities as it may require. This easement is granted subject to the following terms and conditions: I. The Grautec shall, upon completion of any work within the property, covered by the easement, restore the surface of the casement, and any private improvements disturbed or destroyed during owcatiou of the work, as nearly as Practicable to the condition they were in immediately before commencement of the work or entry by the Grantee. 2. Grantor shall Tetain the right to use the siuTace of the easement as long as such use does not interfere with the easement rights grantod to the Grantee_ Grantor shall not, however, have the right to. a Erect or maintain any buildings or structures within the easement; or b. plant trees, shrubs or vegetation having deep root patterns which may cause damage to or interfere with the utilities to be placod within the easement by the Grantee; or C. Develop, landscape, or beautify the easerne ut arra in any way which would unreasonably increase the costs to the Grantee of restoring the easement ares and any private improv=ents therein - d. Dig tunnel or perform other forms of construction activities on the property which would disturb the compaction or unearth Crrantec`s facilities on tho right-of-way, or endanger the lateral support faciiztivs- c. Blast within fifteen (15) feet of the rigllt-of-way. This easement shO run,vith the land described herein, and shall be binding upon the parties, their heirs, successoz in ittterest and assigns. Grantors covenant that they are the lawful owners of the above properties and that they have a good and lawful right to execute this agreement, By this conveyance, t Auaor will warrant and defend the sale hereby made sotto the Grantee against all and every person of persons, whorusoever, lawt"ahly claiming or to claim the sante. This oortveyance shall bind the heirs, executors, adruinistrators assigns forever. IN VM -NESS WHEREOF for has causal this iostr=cut to be executed this % oday 0 20 d-. rynr��c':tcf-00fUFACAr.vVolrr-fvc- fFAT Notary Stat must be within box STATE OF WASHINGTON ) SS ,��{1111 { jilT�l COi7NI'Y• OF KWO ) �, T M. F V,f //G I certify that I know or have satisfactory evidence that instrumentacid \��`�It�OR9), l signed this �QTAI. acknowledged it to be hisJhcs/their fire and voluntary act for theuses and purpssses mentioned in the instnment red: PUBLIC :.��� 27,,Tr Q "it0 i wy:y�1 Notary public in and for the Stage of Wasliingt Notary (Pr"It' My appointment exp ires:^i� F'WEOM'Cl c1 Page 2 FORM 03 0009MI 20070416000702.003 EN=r "A" LEGAL DESCRIPTION (Must be stamped by a P.E. or LS-) WATERLINE EASEMENT LEGAL DESCRIPTION EXHIBIT'X THAT PORTION OF TRACT 5 W, BLOCK 5, CORRECTED PLAT OF RENTON HIGHLANDS NO. 2, AS PER PLAT RECORDED IN VOLUME V OF PLATS, PAGES 92 THROUGH 96, INCLUSIVE, IN KING COUNTY WASHINGTON, EYING 7.50 FEET EACH SIDE OF THE FOLLOWING DESCRIBED CENTERLINE: COMMENCING AT A POINT ON THE NORTHWESTERLY BOUNDARY OF SAID TRACT 5'X* WHICH LIES SOUTH 33*13'5E" WEST 39 FEET FROM A CASED MONUMENT MARKING THE WESTERLY INTERSECTION OF HARRINGTON CIRCLE N.E. CENTERLINE WITH THE CENTERLINE OF HARRINGTON AVENUE N.E., THENCE IN A COUNTER -CLOCKWISE= DIRECTION ALONG SAID BOUNDARY, BEING THE ARC OF A CURVE HAVING A RADIUS Of 924.90 FEETTHROUGH A CENTRAL. ANGLE OF 04°54'44° A DISTANCE OF 77.97 FEET TO THE TRUE POINT OF BEGINNNG; THENCE SOUTH 37`14'57" EAST A DISTANCE OF 99.$7 FEET, THENCE SOUTH 24628'25" EAST A DISTANCE OF 34.57 FEET; THENCE SOUTH 65°33'55" W EST A DISTANCE OF 15.04 FEET TO THE TERMINUS OF THIS CENTERLINE DESCRIPTION. THE SIDELINES OF THE HEREIN DESCRIBED STRIP BEING EITHER LENGTHENED OR SHORTENED TO INTERSECT EACH PRECEDING COURSE. C:1Docummb and ScttlagslcjglLocal SotHmgATmparary Lularnm Files Q=19TTIEM9.dods Page 4 FORM 03 00081bih1 Map Exhibit �s TRUE POINT OF BEGINNING HARRNYGTaY A If NE NO SCALE M,A, 1.77:97' itx9 t.90 s 99.57' 3J'11'57"E 'NOT 924 6'25"�'Awc AS MED 9ASIS Of �ARING A 1 ASSIJME1) F.1 r 14t� �w rr f 15.00' 565'33'55" LIZ MAW -or f craw veu,r 1� TRENTON, SCHOOL DISTRICT NO 4M 7AOOM A SE'ATTLE' p� �aig G:1DoeumcM sad ScUmS%u]SUAca] settstWlTemparuy Iatuna F4csDlX]&FWRoa9q.dod FORM 03 ODD&W 2007041GOD0702.004 Preliminary Technical Information Report PREPARED FOR: Renton School District PROJECT - Renton Early Childhood Learning Center 1800 Index Avenue Renton, Washington 210515.10 PREPARED BY. David C. Nason, PE Civil Project Manager REVIEWED BY: Doreen S. Gavin, PE, LEED AP Vice President DA TE, December 2011 Civil Engineers • Structural Engineers • Landscape Architects • Community Planners • Natural Resource Fcclogisfs • Land Surveyors • !Neighbors ry l ���..... L.r✓'f.4Y �1 y, f f, 1l, fj7 `3ia'tL r I hereby state that this Preliminary Technical Information Report for the Renton Early Childhood Learning Center project has been prepared by me or under my supervision, and meets the standard of care and expertise that is usual and customary in this community for professional engineers. I understand that the City of Renton does not and will not assume liability for the sufficiency, suitability, or performance of drainage facilities prepared by me. Preliminary Technical Information Report PREPARED FOR: Renton School District PRO-7EC :• Renton Early Childhood Learning Center 1800 Index Avenue Renton, Washington 210515.10 PREPARED BY: David C. Nason, PE Civil Project Manager REVIEWED BY - Doreen S. Gavin, PE, LEED AP Vice President DATE.- December 2011 Table of Contents 1.0 Project Overview........................................................................................................ 1-1 1.1 Purpose and Scope ........................ .......................................................................... 1-1 1.2 Existing Conditions...................................................................................................1-1 1.3 Post -Development Conditions ........ ........................................................................... 1-1 1.4 Drainage Basins ........................... ................................. ........................................... 1-1 1.5 Wetland Protection...................................................................................................1-1 Section 1.0 Figures Figure 1-1 ........ TIR Worksheet Figure 1-2 ........ Site Vicinity Map Figure 1-3 ........ Existing Site Map Figure 1-4 ..,.._.. Developed Site Map Figure 1-5 ........ City of Renton Sensitive Areas Flood Hazard Map 2.0 Conditions and Requirements Summary .................................................................... 2-1 2.1 Core Requirements ... ............................................................................................... 2-1 2.1.1 C.R. #1 — Discharge at the Natural Location . ...... ........................................... 2-1 2.1.2 C.R. #2 — Offsite Analysis ............ .............. ........................... ........................ 2-1 2.1.3 C.R. #3 — Flow Control.................................................................................2-1 2.1.4 C.R. #4 — Conveyance System......................................................................2-1 2.1.5 C.R. #5 — Erosion and Sediment Control........................................................2-1 2.1.6 G.R. #6 — Maintenance and Operations.........................................................2-2 2.1.7 C.R. #7 — Financial Guarantees and Liability ..................................................2-2 2.1.8 C.R. #8 — Water Quality ...............................................................................2-2 2.2 Special Requirements...............................................................................................2-2 2.2.1 S.R. #1 — Other Adopted Area -Specific Requirements....................................2-2 2.2,2 S.R. #2 — Flood pla in/ Floodway Delineation ........................... ......................... 2-2 2.2.3 S.R. #3 — Flood Protection Facilities . ............ ................................................. 2-2 3.0 Offsite Analysis ........................................................................................................... 3-1 3.1 Upstream Analysis .............. ......... .................................. ........................................... 3-1 3.2 Downstream Analysis...............................................................................................3-1 Section 3.0 Figures Figure 3-1 ........ Downstream Corridor Analysis Summary AHBL, August 4, 2011 Preliminary Technical Information Report 01800 Renton Early Childhood Learning Center i 210515.10 4.0 Flow Control and Water Quality Facility Analysis and Design .................................... 4-1 4.1 Flow Control............................................................................................................4-1 4.1.1 Existing Site Hydrology (Part A)....................................................................4-1 4.1.2 Developed Site Hydrology (Part B)................................................................4-1 4.1.3 Performance Standards (Part C)....................................................................4-1 4.1.4 Flow Control System (Part D)........................................................................4-1 4.2 Water Quality System (Part E).................................................... ............. ................. 4-1 Section 4.0 Figures Figure 4-1 ........ Developed Basin Map Figure 4-2 ........ Water Quality Calculations Figure 4-3 ........ Infiltration Design Calculations 5.0 Conveyance System Analysis and Design................................................................... 5-1 6.0 Special Reports and Studies....................................................................................... 6-1 Section 6.0 Figures Figure 6-1 ........ Subsurface Exploration, Preliminary Geotechnical Engineering and Infiltration Report. Associated Earth Sciences, Inc., November 18, 2010 Figure 6-2 ........ Preliminary Design Infiltration Rate Technical Memorandum Associated Earth Sciences, Inc., August 15, 2011 Figure 6-3 ........ Summary of Additional Barings to Delineate Existing Fill Associated Earth Sciences, Inc., August 17, 2011 7.0 Other Permits............................................................................................................. 7-1 8.0 CSWPPP Analysis and Design..................................................................................... 8-1 9.0 Bond Quantities, Facility Summaries, and Declaration of Covenant .......................... 9-1 10.0 Operations and Maintenance Plan............................................................................ 10-1 11.0 Conclusion................................................................................................................ 11-1 Preliminary Technical Information Report 611000 Renton Early Childhood Learning Center ii 210515.10 1.0 PR03ECT OVERVIEW 1,1 Purpose and Scope This report accompanies the civil engineering plans and documents for the Renton School District's Early Childhood Learning Center (ECLC) located at 1800 Index Avenue, on Parcels 722780-0135 and 722780-0155 in the city of Renton, King County, Washington, The parcel proposed to be developed is approximately 7.46 acres in size. This parcel is a portion of the Southwest Quarter of Section 4, Township 22 North, Range 5 East, of the Willamette Meridian. See Figure 1-1 for a Site Vicinity Map. The project proposes to construct a new building to house the ECLC, demolish the existing structure, and improve the site and site infrastructure. Stormwater management is to comply with the 2009 King County Surface Water Design Manual (KCSWDM) and City of Renton Amendments. 1.2 Existing Conditions The site is currently occupied by the Hillcrest School. The existing one-story structure is located in the center of the site. A parking lot is located on the west side of the site and parallels Index Avenue. There is a covered play area on the east side of the site, paved and grass play areas, as well as a few portable classrooms. The site generally slopes down from the northeast corner to the southwest corner. According to the Geotechnical Report, completed by Associated Earth Sciences, Inc., the site consists of Vashon Lodgement Till over Vashon Advanced Outwash. See Figure 1-2, Site Vicinity Map, and Figure 1-3, Existing Site Map. 1.3 Post -Development Conditions The project proposes to construct a new structure and demolish the existing structure. The improvements will also include new parking and bus drop off areas, outdoor play areas, and utilities. The proposed developed site, including grading and drainage amenities, can be viewed on the Developed Site Map, Figure 1-4. 1.4 Drainage Basins The site is located in the May Creek Basin. Per the Downstream Analysis, the City of Renton Surface Water Map incorrectly shows the site in the John's Creek Basin. 1.5 Wetland Protection There are no known wetlands on or in the vicinity of the site. Preliminary Technical Information Report 13MI30 Renton Early Childhood Learning Center 210515.10 Section 1.0 Figures Figure 1-1 ........TIR Worksheet Figure 1-2 ........Site Vicinity Map Figure 1-3 ........Existing Site Map Figure 1-4 ........Developed Site Map Figure 1-5 ........City of Renton Sensitive Areas Flood Hazard Map Preliminary Technical Information Report 101800 Renton Early Childhood Learning Center 210515.10 tic, V9 -E i, I KING COUNTY, WASHINGTON, SUR);ACE. WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part:1 PROJECT OINNER;AND PROJECT ENGINEER Project Owner P-I114TV0 SCJA60U- AISTWI Phone -�-04. � 5ou Address 300 Q%v -74k S,k Re^k->N \qA RBoS'} Project Engineer t)hVtD kJkf.* 1 Company h14121%L- Phone 'Lr, - 3 Part 3. TYPE OF PERMIT APPLICATION ❑ Landuse Services Subdivison / Short Subd. 1 UPD ❑ Building Services MIF / Commerical ! SFR ❑ Clearing and Grading ❑ Right -of -Way Use U Other S '� L Part 2' PROJECT LOCATION AND. DESCRIPTION Project Name V24il>n EGi- L DDES Permit # N%h. Location Township + Range 050 Section 4 - Site Address 1$40 JJM-%� "ENOE Wart 4; . OTHER REVI�M ANLL FI=RMIT ❑ DFW HPA ❑ Shoreline ❑ COE 404 Management ❑ DOE Dam Safety ❑ Structural LJ Rockery/Vault! FEMA Floodplain LJ ESA Section 7 Ll COE Wetlands 0 Other `CSD 14?DES Part5 PIAN AND REPORT INFORMATION Technical Information Report Site Improvement Plan (Engr. Plans) Type of Drainage Review ul 1 Targeted ! Type (circle one): ull / Modified ! (circle): Large Site Small Site Date (include revision dates): Date of Final. Pirt B ADJUSTMENT APPROVA -S Date (include revision dates): Date of Final: Type (circle one): Standard I Complex / Preapplication ! Experimental ! Blanket Description (include conditions in TIR Section 2) Date of 2009 Surface Water Design Manual 1/9/2009 1 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Community Plan : SVAS-a ft%kr- E)Av" Special District Overlays: Drainage Basin: m 0.N CZ Stormwater Requirements: 200 tr+q j1/�Qnc1Gt MA PCt� �/1G1 ❑ RiverlStream ❑ Lake ❑ Wetlands ❑ Closed Depression ❑ Floodplain ❑ Other Soil Type Slopes V040n ". r Vjr .er wwVc'5:1 B �tS1Ioy► rn t.r'%45 ❑ High Groundwater Table (within 5 feet)tt -- Ll Sole Source Aquifer Other F� l� ;A �r4l ¢bA' D" � �Tt ❑ Seeps/Springs ❑ Additional Sheets Attached 2049 Surface Water Design Manual 1/9/2009 2 KING COUNT', WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Raft 11.. DRAINAGE DESIGN .L.IMITATI[ NS. REFERENCE LIMITATION 1 SITE CONSTRAINT ❑ Core 2 - Offsite Analysis ❑ Sensitive/Critical Areas ❑ SEPA ❑ Other 14 ODD ❑ Additional Sheets Attached Pati 12. TIR SUMMARY SHEET(provide one TIR Summary Sheet per Threshold Discharge Area) ThresholdDischarge Area: name or description) Core Requirements (all 8 apply) Discharge at Natural Location Number of tura) Discharge Locations: 1 Offsite Analysis Level: 2 / 3 dated: AgiltAV 101 Flow Control Level: 1 1 2 1 3 or Exemption Number incl. facility summary sheet J Small Site BMPs Conveyance System Spill containment located at: Vf- S Erosion and Sediment Control ESC Site Supervisor, Contact Phone: 7Fa� After Hours Phone: Maintenance and Operation Responsibility: cf!55ib / Public If Private, Maintenance Lo Required: e 1 No ��...f Financial Guarantees and Provided: Yes 1 _g. F o.{ 4k' -c -KP: -c' Liability Water Quality Type: � as Sens Lake 1 Enhanced Basicm / Bog (include facility summary sheet) or Exemption No. Landscape Mana ement Plan: Yes 1 No Special Requirements as applicable) Area Specific Drainage Type: CDA 1 SDO I MDP / BP 1 LMP I Shared Fac. a Requirements Name: Floodplain/Floodway Delineation Type: Major 1 Minor 1 Exemption 1 100 -year Base Flood Elevation (or range): Datum: Flood Protection Facilities Describe: A— Source Control Describe landuse: r -a4 t -V- C.JA V't flowx (comm./industrial landuse) Describe any structural controls: 11 Ae- VIXf CkX,*l�j s 2009 Surface Water Design Manual 1/9!2009 3 -A/ KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Oil Control High -use Site: Yes 1 Treatment BMP: Maintenance Agreement Yes / No with whom? Other Drainage Structures Describe: Part 13 EROSION,ANi SEDIMENT CONTROL REQUIREMENTS 101_ ',; , ,�. MINIMUM ESC REQUIREMENTS Flow Control Type/Description MINIMUM ESC REQUIREMENTS DURING CONSTRUCTION Type/Description AFTER CONSTRUCTION ❑ Clearing Limits ❑ Biofiltration ❑ Stabilize Exposed Surfaces ❑ Cover Measures Infiltration ❑ Remove and Restore Temporary ESC Facilities ❑ Perimeter Protection ❑ Clean and Remove All Silt and Debris, Ensure ❑ Traffic Area Stabilization ❑ Media Filtration Operation of Permanent Facilities ❑ Sediment Retention ❑ Flag Limits of SAO and open space LJ Surface Water Collection ❑ Flow Control preservation areas Other ❑ Dewatering Control BMPs ❑ Dust Control ❑ Flow Control BMPs ❑ Flow Control Nrt 94 STORMWATER FACILITY DE61CRIPTJ0N$. ate: Include Facili ' Sutrirna ..arid Sketdi Flow Control Type/Description Water Quality Type/Description ❑ Detention ❑ Biofiltration Infiltration ❑ Wetpool ❑ Regional Facility ` ❑ Media Filtration ❑ Shared Facility ❑ Oil Control ❑ Flow Control ❑ Spill Control BMPs ❑ Flow Control BMPs ❑ Other Otherh 2009 Surface Water Design Manual 1/9?2009 A) KING COUNTY, WASHING'T'ON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 15 EASEMENTSITRACTS Part 16 STRUCTURAL ANALYSIS ❑ Drainage Easement ❑ Cast in Place Vault ❑ Covenant ❑ Retaining Wall ❑ Native Growth Protection Covenant ❑ Rockery > 4' High ❑ Tract ❑ Structural on Steep Slope ❑ Other ® Other Part 17 SIGNATURE OF PROFESSIONAL ENGINEER I, or a civil engineer under my supervision, have visited the site. Actual site conditions as observed were incorporated into this worksheet and the attached Technical Information Report. To the best of my knowledge the information provided ere is accurate. Ajjjt.Siqned1Dfi1q 1 2009 Surface Water Design Manual 1/9.2009 5 N a =iI RENTON SCHOOL [DISTRICT HILLCREST EARLY CHILDHOOD CENTER '.3 Iia P I" CRr O4 4FMOk TOPOGRAPHIC SURVEY k�uL COV utt. waLtl�uLf Lu �un< wn .. ani w��—•I �^M•Ke. n. nii..�... rr r ■r r� rr � r rri ■r r rr �r ■r �r r rr rr r� r A3mns JIHdV'd9 dOlE 3 PI € a° w°� °°w°°NFl- HaIN30 OOOHa11HO A-ILIVB 1S3HO111H I € 4 d c [I! i 9 S a{ I I I { 10IEllSIG IOOHOS NOIN91A $ x a i „ 1 � i 1111 SS ddd N31N30 ONiNJd3-1 ❑OOHO-1IH3 A-IHV7] 3KvW L7314D21d �gRR a � :1 +� � f4 1 � i 1111 SS ddd N31N30 ONiNJd3-1 ❑OOHO-1IH3 A-IHV7] 3KvW L7314D21d I in 3N anMUAV N09H3iAar G .—_. KIRKLAND AYENU6 NE a s 0 H 0 z 0 T — �eN3nr+anvHo�3�d9r� z G? 0 0 c z z G� + z @@ @ y � 11pup a2 ng ;l s�3 �adA � § � e 2¢e� � �#vc� 5`a a rg.�a to P a ;�fl� a 3eJa a 11a����@[k g b 1 - 4e 11c jaggy[ It; � 6I- i "� ie i 1;11, , P # a s s Al Rh 5 'a gg9a is 5'g � a ��aAR RENTON SCHOOL DISTRICT w P g HILLCREST EARLY CHILDHOOD CENTER;-��m��I 8 g cm X RErt TOPOGRAPHIC SURVEY .iwc cw,m. w�+.w,w+ +'• I °��«+www I ` x City of Renton Sensitive Areas Flood Hazard .,,.. �. .i ^•l, ._ 41 — ��fi " — �i — � is i l S' 1'• dS 1 {"... � � 2 � `. l w 1 .. � ff - � I a { - 111 ^1 3P1 l.� { � _� i. ��1E E-..: r„�� 5r -, .�A 'F� �l - 1F��it moi• ; f i ,... 3 r �./.. i�`'.�- - t r : ; i i T F t •!� f...3.. - „_.A, A- , N. .t a � � 1 i l_ f ,eGi '€ �,, ' •�� i 1� g''=' - �. �. Y t � ' - % _ Fes• ; j i ' E 1 f '..�" - k- •' - vi ♦ di � .. a -.� `t -1..,..- i -_ -r rr �t�� �•.s ��, - - h_ f e. - f ,> r F'UDIIC VVorKs uepanmenl G. Zimmerman, Administrator Technical Services a 14W z-, R- Maconie, p.Visneski 1 Pnnled on May 29, 2949 .A....:..•r..��.�,.,"..- Oala Source. Public Works, Utilities Systems, Technical Services a,....•.......e r............ UL Hazard Condition Flood Hazard Critical Infrastructure ' Police �eparmer: Fire Slations V Valley Med,cal Center I SaCDos i — tLLA rt+ .,,.. �. .i ^•l, ._ 41 — ��fi " — �i — � is i l S' 1'• dS 1 {"... � � 2 � `. l w 1 .. � ff - � I a { - 111 ^1 3P1 l.� { � _� i. ��1E E-..: r„�� 5r -, .�A 'F� �l - 1F��it moi• ; f i ,... 3 r �./.. i�`'.�- - t r : ; i i T F t •!� f...3.. - „_.A, A- , N. .t a � � 1 i l_ f ,eGi '€ �,, ' •�� i 1� g''=' - �. �. Y t � ' - % _ Fes• ; j i ' E 1 f '..�" - k- •' - vi ♦ di � .. a -.� `t -1..,..- i -_ -r rr �t�� �•.s ��, - - h_ f e. - f ,> r F'UDIIC VVorKs uepanmenl G. Zimmerman, Administrator Technical Services a 14W z-, R- Maconie, p.Visneski 1 Pnnled on May 29, 2949 .A....:..•r..��.�,.,"..- Oala Source. Public Works, Utilities Systems, Technical Services a,....•.......e r............ UL Hazard Condition Flood Hazard Critical Infrastructure ' Police �eparmer: Fire Slations V Valley Med,cal Center I SaCDos 2.0 CONDITIONS AND REQUIREMENTS SUMMARY The proposed project triggers Full Drainage Review and must meet Core Requirements 1 through 10. Below is a summary on how the proposed project will meet the required Core Requirements: 2.1 Core Requirements 2.1.1 C.R. #1— Discharge at the Natural Location Currently, the site slopes down to the southwest corner of the site. Surface runoff is mainly collected by a conventional storm collections system that outlets to the city storm system in NE 16th Street. The proposed project will infiltrate developed conditions runoff. 2.1.2 C.R. #2 — Offsite Analysis AHBL staff performed a Level One Downstream Analysis for the project. The analysis included: • Defining and mapping the study area. • Reviewing available information on the study area. • Field inspecting the study area. • Analyzing the existing drainage system, including its existing and predicted problems, if any. Please refer to Section 3.0 for the full offsite analysis. 2.1.3 C.R. #3 — Flow Control The proposed improvements will infiltrate the proposed site's runoff. The proposed infiltration system will meet and the pre -developed forested condition runoff rates and duration requirements as required by City of Renton drainage code. 2.1.4 C.R. #4 — Conveyance System The improvements will include a traditional storm conveyance system to collect and convey stormwater to the stormwater treatment and infiltration facilities. The collection system will meet the requirements of the City of Renton drainage code and be submitted with the drainage permit application. 2.1.5 C.R. #5 — Erosion and Sediment Control An erosion and sediment control plan will be developed for this site in accordance with City of Renton requirements and be submitted with the grading permit application. Preliminary Technical Information Report 131MI30 Renton Early Childhood Leammg Center 2-1 210515.10 2.1.6 C.R. #6 — Maintenance and Operations The onsite drainage facilities will be publicly maintained by the Renton School District. The Final Technical Information Report (TIR) will contain an operations and maintenance manual. 2.1.7 C.R. #7 — Financial Guarantees and Liability This project will provide the financial guarantees as required by the City of Renton. 2.1.8 C.R. #8 — Water Quality Since the site will be infiltrating runoff, the project site is subject to the Basic Water Quality Treatment Menu per City of Renton drainage code. 2.2 Special Requirements 2.2.1 S.R. #1— Other Adopted Area -Specific Requirements The project is included in the Sunset Master Plan area, 2.2.2 S.R. #2 — Floodplain/Floodway Delineation The site is not located in a floodplain. 2.2.3 S.R. #3 — Flood Protection Facilities The project does not contain, will not construct, and is not adjacent to any existing flood protection facilities. Preliminary TechnicalInformation Report Renton Early Learning 2-2 210515.10 MIM00 3.0 OFFSITE ANALYSIS 3.1 Upstream Analysis The proposed site is bordered to the north by Harrington Avenue, to the west by Index Avenue, and to the south by NE 16th Street. Runoff from these rights-of-way is conveyed by the street curb and gutters to city storm catch basins. No runoff from the adjacent rights-of-way enters the site. The site is bordered to the east by two developed sites. Runoff from these sites does not flow onto the ECLC site. Therefore, there are no offsite areas that drain onto the site and need to be addressed. 3.2 Downstream Analysis The site slopes to the southwest corner of the site. Existing site drainage elements, catch basins/field underdrains outlet to the storm system in NE 16`h Street. Refer to Figure 3-1 for the detailed downstream analysis. Preliminary Technical Information Report 010133 Renton Early Childhood Learning Center 3-1 210515.10 Section 3.0 Figures Figure 3-1 ....,...Downstream Corridor Analysis Summary AHBL, August 4, 2011 Preliminary Technical Information Report IMMOM Renton Early Childhood Learning Center 210515.10 s-/ be PROJECT MEMO ''�'' C 10 TO: Mr. Doug DuCharme, BLRB FROM: David C. Nason, PE, AHBL Civil Project Manager Ryan M. Jeffries, PE, AHBL Project Engineer DATE: August 10, 2411 PROJECT: Renton Early Childhood Learning Center OUR FILE NO.: 210515.10 SUBJECT: Downstream Corridor Analysis Summary c,i,r;F"gireer= S.rircrura� This memo summarizes the results of our downstream survey for the Renton Early Childhood Engine?rs Learning Center project. The survey was performed in order to satisfy Core Requirement #2 of the 2009 King County Surface Water Design Manual as Amended by the 2010 City of Renton ' �r �ScU,�e.4rehrrects Surface Water Design Manual Amendment. The survey confirmed the route of the downstream storm conveyance system and drainage basin the project site is located within. om+tfmity Praner�. The City of Renton's Core Requirement #2 requires are as follows: ftWwal 4esource Ecaloyss 1. Define and Map the Study Area 2. Review all available information in the Study Area 3. Field Inspect the Study Area tiie grnan 4. Describe the drainage system Tasks 1 and 2 were completed prior to a site inspection. The proposed project site was surveyed, and GIS mapping from the City's website was obtained. In addition to the site survey, the available information for the site included: Existing Site As -Built Drawings, GIS Mapping, Design Drawings for the McKnight Middle School, and the Sunset Area Surface Water Master TA C 0fVA Plan, 2215 North 30r Street A meeting was held with the City of Renton to discuss the project. The City commented that SAe300 there was some doubt as to the accuracy of the City's GIS information for the site's downstream. Tacoma, All, 98403-3350 253 333.2422 r Task 3, the field inspection, was completed on July 18, 2011. In addition to the inspection of the 253.383.2572 downstream, the downstream conveyance system was surveyed. The results of the inspection are attached (Task 4) to this memo in the King County "Offsite Analysis Drainage Table" format as required by the drainage manual. SEATTLE 1200 61, Avenue In summary, the research and field inspection found the following: Suite 1620 Seattle, WA 98101-3117 1. The storm water from the site is conveyed to the southwest in a 12 -inch storm drain 206 2672425 T=. system along NE 16'h Street. At the intersection of NE 16`h and Edmonds Avenue NE, the conveyance system conveys the stormwater north along Edmonds Avenue NE in an 2CC7b 267.2429 FAX 18 -inch storm drain. SP()KANE 827 West First Avenue Suite 301 Spokane, WA 901-3912 509.252.5019 T=_: Page 1 of 2 509.315$862 W, www �hhl - 2. The school site is located within the May Creek basin, The City of Renton Surface Water Map incorrectly shows the site in the Johns Creek Basin. 3. Upon a site visit and visual inspection of the downstream corridor and associated storm conveyance infrastructure, the storm system appears to be in a well-maintained condition. There were no observed signs of overtopping, build up of sediment, or erosion, DN/el Enclosure Q:%2010\210515\W DRDPROC�Memos\201 Y 0810_Memo_(DownstreamCorridorAnalysisSummary)_210515.10.doa Project Memo Page 2 of 2 ��Q Renton Early Childhood Learning Center 210515.10 August 10, 2011 ORDINANCE NO. 5511 joSunset Study Area 1. WeGands – i - yy n `Sym , c T Renton Parcels` f t t < �Waterbodies aj!;rr L I1. Drainage Basins Honey Creek Basin ' ' Sa _. 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F AFa 101111-M I s pn� 3orrni J +rr7 -. � j ('3-N-3nN3AV HiSllj -3'N 3nN3AY SGNONC2 4.No1a r^ss��yxss��ssssns�sssd f �bo S • ea s pn� 3orrni J +rr7 -. � j ('3-N-3nN3AV HiSllj -3'N 3nN3AY SGNONC2 4.No1a r^ss��yxss��ssssns�sssd 5 All ol C of i L% o S Igo � I{ R z�I 8$ 8�'° 8q S $ R YR R S Si o� 4� Rxg Fa g�smR $�ss assn — rr C - w w ; Icsi f— w0 ('3-N '3nN3AV Hi9LO '3'N 3M} AH SONON (13 ED 4 I e CD m N N w Q cE pm'^ it �n c3 I sUBMITTAL N0. COC CLAUSE 004 ® IS APPLICABLE ❑ IS NOT APPLICABLE REFERENCES TO USE WHEN COC CLAUSE IS PART i - FOR CONTRACTORS USE REFERENCES TO USE WHEN COC CLAUSE IS APPLICABLE NOT APPLICABLE (A) ROICOREICC FROM IContrwor) TO (A) (A) DESIGNER NW MCGRATH JV, LLC ROICC CONTRACT NO. CONTRACT TITLE N4425S-07-0-2003 T.O. # 0210 UPGRADE EOD RSL (Check One) ) I TION AND SECTION NUMBER {B) APPROVAL ___ — ❑ Record o1 33 10 05 20 1.4 45% Design ® Approval CERTIFICATION (7'iwaldm shell not be osedlo lo+wer�Prpppaad aubatHvlions) It is hereby certified that the ❑ equipment ❑ material shown and marked in this submittal is that -,proposed to be incorporated into contract N44255 -07-D-2003 T.O. #0208 is in co pliance with the contr?ct drawings and specifications, and can be installed in the 41located Vaces. (C) Authorized Conlrador Duality CaMroi CERTIFIED BY (C} ' DATE (C} Person Desipneted By Rapresemadvs Teri Valllne, Alt �C 10/10/11 Contractor As Hevinp ALOorhy To SFgr Cartdicaaon PA T II —FOR DESIGNER USE FROM f06s9rw) TO IROICCIREiCC) AMD1Ltni M• Pf-(,VE 6 CA , PE, :re ()S) Cursory review required THIS SUBMITTAL HAS BEEN REVIEWED (D) THE FOLLOWING RECOMMENDATION 15 MADE: (D) Detaile6 review raqumvd. on record copies Reply to Stamp and mask *ad) Dopy ROICC only if appmpriota. as appropriate. DwARed review squired on suomhUls for poverrvnent approve. Stamp and mark each copy am opprupdols. SIGNATURE DATE to f, p fir PART III — FOR ROICCIREICC USE (E} DESIGNER FROM (ROICCIREICC) To 0I E) CONTRACTOR (COPY TOROICC) LTJG PAMELA STEPHENSON (COPY TOROICC ENCLOSURES ARE RETURNED WITH THE FOLLOWING COMMENTS_ PLEASE REVISE AND RESUBMIT WITH THE ATTACHED COMMENTS. SIGNATURE DATE 11NOV I'll 4.0 FLOW CONTROL AND WATER QUALITY FACILITY ANALYSIS AND DESIGN 4.1 Flow Control 4.1.1 Existing Site Hydrology (Part A) Since the site's runoff is being completely infiltrated, an existing site hydrology analysis is not applicable. 4.1.2 Developed Site Hydrology (Part B) The proposed project proposes to construct rain gardens to treat the runoff from pollution generating surfaces and infiltration trenches to infiltrate the entire site's runoff. The site will consist of 25 percent landscaped (pervious) areas, and 75 percent paved parking, sidewalk, and buildings (impervious) areas. 4.1.3 Performance Standards (Part C) The proposed infiltration system will infiltrate runoff from the site. The onsite stormwater system will be sized to adequately convey the fully developed, 25 -year storm events, as stipulated by City of Renton drainage code, In accordance with the 2009 KCSWOMand City of Renton Amendments, onsite flows from the pollution generating surfaces will be treated to specifications provided by the Basic Water Quality standards. The prescribed treatments to be utilized include, but are not limited to, rain gardens. 4.1.4 Flow Control System (Part D) The site runoff will be entirely infiltrated onsite in infiltration trenches. Refer to Figure 4-3. Infiltration rate is based upon the geotechnical engineer's recommendations. 4.2 Water Quality System (Part E) The new pollution generating impervious surfaces for the proposed site include the paved parking lot on the west side of the site and the bus loops on the north and south sides of the site. As mentioned above, onsite flows will be treated to specifications provided by the Basic Water Quality standards of the City's drainage code, utilizing rain gardens. See the water quality calculations and analysis of Figure 4-2. Preliminary Technical Information Report Renton Early Childhood learning Center 4-1 ■ 210515.10 Section 4.0 Figures Figure 4-1 ........Developed Basin Map Figure 4-2 ........Water Quality Calculations Figure 4-3 ........Infiltration Design Calculations Preliminary Technical Information ng Report (Blame Renton Early Childhood Learning Center 210515.10 Vxx �0 f:. 5 Ar IRS M 5 Ar Project Project No. ❑ Page of Subject Phone ❑ Calculations r1 � With/To Fax # ❑ Fax dWA Oft Faxed Pages ❑ Memorandum # –� Meeting Minutes Date By ❑ Telephone Memo /1: / 4 (,/W- 4 , 7, Civil Engineers C4L-CV(,+-R0A); Structural Engineers A+,t Landscape Architects Z�IZ l�•s� Community Planners s r Land Surveyors Neighbors eou 1001. 10 F I LTA41W � %G A47YA &0CD WW000 OiMVT 51ki -- 100 loo % OFK.TC tr - SM ArMNO WOVMM vtrp r Lor ❑ TACOMA • ���/ � 2215 N. 30th St. Suite 300 Tacoma,, WA 98403-3305 � 253.383.2422 W&S" t 4711A SQFT) 253.383.2572 FAX ❑ SEATTLE 1#1F►%LT� — W A`�(�4M V414Ai /yam T `�'� *� 1200 6th Avenue Suite 1620 Seattle, WA 98141-3123 If this does not meet with your understanding, please contact us in writing within seven days. THANK YOU. 206.267.2425 246.267.2429 FAX .. ravel Ti evich Bed 'I M,10i�t�w ravel- ■ -i Outlet 1 Outlet 2 Outlet 3 Downstream Connection 10 10 B Facility Type Gravel Trench/Bed Precipitation Applied to Facility Quick Trench r _ E irapvra"ton Applied to Facility Facility Bottom Elevation (ft) 10 Facility Dimensions Trench Length Trench Bottom Width Effective Total Depth Bottom slope of Trench Left Bide Slope Right Bide Slope Material Layers for Layer 1 Thickness (ft) Layer 1 porosity Layer 2 Thickness (ft) Layer 2 porosity Layer 3 Thickness (ft) Layer 3 porosity Outlet Structure Riser Height (ft) 1 75 Riser D iameter(in) Riser Type I Flak ; r Notch Type V"I" =40WSapr W11 - 1.5 $� Orifice a. Number 1 2 l] 3 �I Infiltration -- ,Measured Infiltration Rate (in/hr) Ilnfiltration Reduction Factor Use Wetted Surface Area (sidewalls 'Total Volume Infiltrated(acre-ft) Total Volume Through Riser(acre-ft) Diameter Height DMax (In) (Ft) (mss) a o a Trench Volume at Riser Head (acre -ft) .097 and Increment p 7 a 1 Sh[i1i4' Pond Table Open Table 84.114 Total Volume Through Facility(acre- 84.114 0 Percent Infiltrated 108 GK[CDS 91 .% M ?A Western Washington Hydrology Model PROJECT REPORT Project Name: default Site Address: City Report Date : 12!112011 Gage Seatac Data Start 1948/10/01 Data End 1998/09/30 Precip Scale: 1.17 WWHM3 Version: PREDEVELOPED LAND USE Name : Bus Area North Bypass: No GroundWater: No go F -V 150s 0-ak WW14 M wtpl r Pervious Land Use Acres Impervious Land Use Acres PARKING FLAT 0.54,� Element Flows To: Surface Interflow Groundwater Gravel Trench Bed 1, Gravel Trench Bed 1, Name : Gravel Trench Bed 1 Bottom Length: 70ft. Rnttnm Width - 70ft_ 1A( 005 Trench bottom slope 1: 0.00001 To 1 Trench Left side slope 0: 0.00001 To 1 Trench right side slope 2: 0.00001 To 1 Material thickness of first layer : 2 Pour Space of material for first layer: 0.4 Material thickness of second- layer : 0.5 Pour Space of material for second layer: 1 Material thickness of third layer: 0 Pour Space of material for third layer: 0 Infiltration On Infiltration rate : 2 Infiltration saftey factor : 1 Discharge Structure Riser Height: 1.75 ft. Riser Diameter: 18 in. Element Flows To: Outlet I Outlet 2 Gravel Trench Bed Hydraulic Table Stage(ft) Area(acr) Volume(acr-ft) Dschrg(cfs) Infilt(cfs) 0.000 0.112 0.000 0.000 0.000 0.022 0.112 0.001 0.000 0.227 0.044 0.112. 0.002 0.000 0227 0.067 0.112 0.003 0.000 0.227 0.089 0.112 0.004 0.000 0.227 0.111 0.112 0.005 0.000 0.227 0.133 0.112 0.006 0.000 0.227 0.156 0.112 0.007 0.000 0.227 0.178 0.112 0.008 0.000 0.227 0.200 0.112 0.009 0.000 0.227 0.222 0.112 0.010 0.000 0.227 0.244 0.112 0.011 0.000 0.227 0.267 0.112 0.012 0.000 0.227 0.289 0.112 0.013 0.000 0.227 0.311 0.112 0.014 0.000 0.227 0.333 0.112 0.015 0.000 0.227 0.356 0.112 0.016 0.000 0.227 0.378 0.112 0.017 0.000 0.227 0.400 0.112 0.018 0.000 0.227 0.422 0.112 0.019 0.000 0.227 0.444 0.112 0.020 0.000 0.227 0.467 0.112 0.021 0.000 0.227 0.489 0.112 0.022 0.000 0.227 0.511 0.112 0.023 0.000 0.227 0.533 0.112 0.024 0.000 0.227 0.556 0.112 0.025 0.000 0.227 0.578 0.112 0.026 0.000 0.227 0.600 0.112 0.027 0.000 0.227 0.622 0.112 0.028 0.000 0.227 0.644 0.112 0.029 0.000 0.227 0.667 0.112 0.030 0.000 0.227 0.689 0.112 0.031 0.000 0.227 0.711 0.112 0.032 0.000 0.227 0.733 0.112 0.033 0.000 0.227 0.756 0.112 0.034 0.000 0.227 0.778 0.112 0.035 0.000 0.227 0.800 0.112 0.036 0.000 0.227 0.822 0.112 0.037 0.000 0.227 0.844 0.112 0.038 0.000 0.227 0.867 0.112 0.039 0.000 0.227 0.889 0.112 0.040 0.000 0.227 0.911 0.112 0.041 0.000 0.227 0.933 0.112 0.042 0.000 0.227 0.956 0.112 0.043 0.000 0.227 0.978 0.112 0.044 0.000 0.227 1.000 0.112 0.045 0.000 0.227 1.022 0.112 0.046 0.000 0.227 1.044 0.112 0.047 0.000 0.227 1.067 0.112 0.048 0.000 0.227 1.089 0.112 0.049 0.000 0.227 1.111 0.112 0.050 0.000 0.227 1.133 0.112 0.051 0.000 0.227 1.156 0.112 0.052 0.000 0.227 1.178 0.112 0.053 0.000 0.227 1.200 0.112 0.054 0.000 0.227 1.222 0.112 0.055 0.000 0.227 1.244 0.112 0.056 0.000 0.227 1.267 0.112 0.057 0.000 0.227 1.289 0.112 0.058 0.000 0.227 1.311 0.112 0.059 0.000 0.227 1.333 0.112 0.060 0.000 0.227 1.356 0.112 0.061 0.000 0.227 1.378 0.112 0.062 0.000 0.227 1.400 0.112 0.063 0.000 0.227 1.422 0.112 0.064 0.000 0.227 1.444 0.112 0.065 0.000 0.227 1.467 0.112 0.066 0.000 0.227 1.489 0.112 0.067 0.000 0.227 1.511 0.112 0.068 0.000 0.227 1.533 0.112 0.069 0.000 0.227 1.556 0.112 0.070 0.000 0.227 1.578 0.112 0.071 0.000 0.227 1.600 0.112 0.072 0.000 0.227 1.622 0.112 0.073 0.000 0.227 1.644 0.112 0.074 0.000 0.227 1.667 0.112 0.075 0.000 0.227 1.689 0.112 0.076 0.000 0.227 1.711 0.112 0.077 0.000 0.227 1.733 0.112 0.078 0.000 0.227 1.756 0.112 0.079 0.006 0.227 1.778 0.112 0.080 0.068 0.227 1.800 0.112 0.081 0.163 0.227 1.822 0.112 0.082 0.284 0.227 1.844 0.112 0.083 0.424 0.227 1.867 0.112 0.084 0.582 0.227 1.889 0.112 0.085 0.756 0.227 1.911 0.112 0.086 0.945 0.227 1.933 0.112 0.087 1.147 0.227 1.956 0.112 0.088 1.361 0.227 1.978 0.112 0.089 1.588 0.227 2.000 0.112 0.090 1.826 0.227 MITIGATED LAND USE ANALYSIS RESULTS Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 near 0 5 year 0 10 year 0 25 year 0 50 year 0 100 year 0 Flow Frequency Return Periods for Mitigated. POC #1 Return Period Fiow(cfs) 2 year 0 5 year 0 10 year 0 25 year 0 50 year 0 100 year 0 Yearly Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated Ranked Yearly Peaks for Predeveloped and Mitigated. POC #1 Rank Predeveloped Mitigated POC #1 The Facility PASSED The Facility PASSED. Flow(CFS) Predev 0.0000 0 0 0.0000 0 0 0.0000 0 0 0.0000 0 0 0.0000 0 0 0.0000 0 0 0.0000 0 0 0.0000 0 0 0.0000 0 0 0.0000 0 0 Dev Percentage Pass/Fail 0 Pass 0 Pass 0 Pass 0 Pass 0 Pass 0 Pass 0 Pass 0 Pass 0 Pass 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass Water Quality BMP Flow and Volume for POC 1. On-line facility volume: 0 acre-feet On-line facility target flow: 0 cfs. Adjusted for 15 min: 0 cfs. Off-line facility target flow: 0 cfs. Adjusted for 15 min: 0 cfs. Perind and Impind Changes No changes have been made. This program and accompanying documentation is provided 'as -is' without warranty of any kind. The entire risk regarding the performance and results of this program is assumed by the user. Clear Creek Solutions and the Washington State Department of Ecology disclaims all warranties, either expressed or implied, including but not limited to implied warranties of program and accompanying documentation. In no event shall Clear Creek Solutions and/or the Washington State Department of Ecology be liable for any damages whatsoever (including without limitation to damages for loss of business profits, loss of business information, business interruption, and the like) arising out of the use of, or inability to use this program even if Clear Creek Solutions or the Washington State Department of Ecology has been advised of the possibility of such damages. �i,�aao�1 Downstream Connection Facility Type Precipitation Applied to Facility wick Trench - Evaporation Applied to Facility ) Facility Bottom Elevation (ft) Facility Dimensions a Trench Length 175 O utl et Stru ctu re Trench Bottom Width Effective Total Depth Bottom slope of Trench Left Side Slope Right Side Slope :Material Layers for Layer 1 Thickness (ft) Layer 1 porosity Layer 2 Thickness (ft) Layer 2 porosity Layer 3 Thickness (ft) Layer 3 porosity {Riser Height (ft) Riser Diameter(in)1 2 Riser Typemm Fla� t a.aaaa� O.BOaB7 Notch Type O.00001 !Infiltration E,` r , IMeasured Infiltration Bate (in/hr) Infiltration Reduction Factor !!Use Wetted Surface Area (sidewalls) I I Total Volume Infiltrated(acre-ft) Total Volume Through R iser(acre-ft) 0 Outlet 3 a Orifice Diameter Height OMax Number (In) (Ft) (efs) 7 ;ii=i 0 10 a Trench Volume at Riser Head (acre -ft) .091 Pond Increment 0 10 Show Pond Table Open Table Total Volume Through Facility(acre-ft) 91. Percent Infiltrated 100 Western Washington Hydrology Model PROJECT REPORT Project Name: cefau!t Site Address: City Report Date 12/1/2011 Gage Sea*ac Data Start 1948i'lC; C- Data End 1998/09/20 Precip Scale: l.i WW n%Q Version: PREDEVELOPED LAND USE Name 2As Area Ncr-''. Bypass: No Groundwater: No Pervious Land Use Impervious Land Use PARKING FLAT S f5a 5 A RKst aA 1N 414(*0 WWA01 Qv1 ` q Acres Acres 0.59 AtStj%,0A^C0 t00', tftwm Element Flows To: Surface Interflow ravel Trench ?ec 1, ravel Trench Bed 1, Name Giavel Trench Bed 1 Bottom Length: 75ft. Bottom Width : 75ft. Trench bottom slope 1: C.00OOI 70 1 Trench Left side slope 0: 0.00001 To 1 Trench right side slope 2: C.00001 To Material thickness of first layer : 2 Pour Space of material for first layer Material thickness of second layer : 0 Pour Space of material for second layer Material thickness of third layer : 0 Pour Space of material for third layer Infiltration On Infiltration rate 2 Infiltration saftey factor 1 Discharge Structure Riser Height: 1.755 ft. Riser Diameter: 18 in. Element Flows To: Outlet 1 Outlet 2 C.4 0 0 Groundwater Gravel Trench Bed Hydraulic Table Stage(ft) Area(acr)_ Volume(acr-ft) Dschrg(cfs) ln£ilt(c£s) 0.OCG C.129 0.000 0.000 C.00C 0.')22 0.129 0.001 0.000 0.260 0.044 0.129 0.002 0.000 0.260 0.067 0.129 0.003 0.000 0.260 0.089 O.i29 0.005 C, coo 0.260 1)_"1i7 0.129 0.006 C. 00C 0.260 0. 133 0. 129 0.007 0.000 0.260 0.156 0.129 0.008 0.000 0.260 0.178 0.129 0.009 0.000 0.260 0.200 0.129 0.010 O.CIO O C.260 0.222 0.129 0.011 0.000 0.260 0.244 0.129 0:013 0.000 0.260 0.267 0.129 0.014 0.000 0.260 0.289 0.129 0.015 0.000 0.260 0.311 0.129 0.016 0.000 0.260 0.333 0.129 0.017 0.000 0.260 0.356 0.129 0.018 0.000 0.260 0.37E 0.129 0.0210 0.000 0.260 0.400 0.129 0.021 O.ODO 0.260 0.422 0.129 0.022 0.000 0.260 0.444 0.129 0.023 0.000 0.260 0.467 0.129 0.024 0.000 0.260 0.4B9 0.129 0.025 10.000 0.2610 0.511 0.129 0.026 0.000 0.260 0.533 0.129 0.028 0.000 0.260 0.556 0.129 0.029 0.000 0.260 0.578 0.129 0.030 0.000 0.260 0.600 0.129 0.031 0.000 0.260 C.622 0.129 0.032 0.000 0.260 0.644 0.129 0.033 0.000 0.260 0.667 0.129 0.034 0.000 0.260 0.689 0.129 0.036 0.000 0.260 0.711 0.129 0.037 0:000 0.260 6.733 0.129 0.038 0.000 0.260 0.756 0.129 0.039 0.000 0.260 0.778 0.129 0.040 0.000 0.260 0.800 0.129 0.041 0.000 0.260 0.822 0.129 0.042 0.000 0.260 0.844 0.129 0.044 0.000 0.260 0.867 0.129 0.045 0.000 0.260 0.889 0.129 0.046 0.000 0.260 0.911 0.129 0.047 0.000 0.260 0.933 0.129 0.048 0.000 0.260 0.956 0.129 0.049 0.000 0.260 0.978 0.129 0.051 0.000 0.260 1.000 0.129 0.052 0.000 0.260 1.022 0.129 0.053 C.000 0.260 1.044 0.129 0.054 0.000 0.260 1.067 0.129 0.055 C.000 0.260 1.089 0.129 0.056 0.000 0.260 1.111 0.129 0.057 C.00O 0.260 1.133 0.129 0.059 O.OGO 0.260 1.156 0.129 0.060 0.000 0.260 1.178 0.129 0.061 O.00O C.260 1.200 0.129 0.062 O.00O 0.260 1.222 0.129 0.063 0.000 0.260 1.244 0.129 0.064 0.000 0.260 1.267 0.129 0.065 0.000 0.260 1.289 0.129 0.067 0.000 0.260 1.311 0.129 0.068 0.000 0.260 1.333 0.129 0.069 0.000 0.260 1.356 0.129 0.070 0.000 0.260 1.378 0.129 0.071 O.ODO 0.260 1.400 0.129 0.072 0.000 0.2610 1.422 0.129 0.073 0.000 0.260 1.444 0.129 0.075 0.000 0.260 1.467 0.129 0.076 D.D00 0.260 1.489 0.129 0.077 0.000 0.260 1.511 0.129 0.078 0.000 0.260 1.533 0.129 0.079 0.000 0.260 1.556 0.129 0.080 0.000 0.260 1.578 0.129 0.081 0.000 0.260 1.600 0.129 0.083 0.000 0.260 1.622 0.129 0.084 0.000 0.260 1.644 0.129 0.085 0.000 0.260 1.667 0.129 0.086 0.000 0.260 1.689 0.129 0.087 0.000 0.260 1 -711 n I?a n nQQ n nnn n 1)tin 733 C.-29 090 0.000 0.260 -7,E C.129 0.091 0.006 D.260 �.�-78 0.=29 0.092 0.068 0.260 =.800 0.129 0.093 0.:,63 0.260 =.822 0.--29 0.094 0.2E9 0.260 1.844 0.129 0.095 0.424 0.260 857 0.129 0-096 C.582 0.260 -.889 0.11,9 0.098 C.?56 0.260 x.911 0.129 0.099 0.945 0.260 _.933 3.129 O.iCO 1.'x47 0.260 -.956 0.129 O.1C13.36` ]0.25 0 _.918 0-129 u.lt 1.✓4R 260 2-0CO 0.129 11113 1.826 0-260 MITIGATED LAND USE ANALYSIS RESULTS Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 year 0 5 year C 10 year C 25 year C 50 year C 100 year C Flow Frequency Return Periods for Mitigated. POC #1 Return Period Flow(cfs) 2 year J 5 year 3.0000 10 year 0 25 year 0 50 year 0 100 year 0 Yearly Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated Ranked Yearly Peaks for Predeveloped and Mitigated. POC #1 Rank Predeveloped Mitigated FOC #1 The Facility PASSED The Facility PASSED. Flow(CFS) Predev Dev Percentage Pass/Fail 0.0000 0 0 0 Pass 3.0000 U 0 0 Pass 0.0000 U 0 0 Pass 0.0000 D 0 0 Pass 0.0000 0 C Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0-0000 0 O Pass 0.0000 0 0 u Pass 0.03CO 0 0 0 Pass 0.0000 C. 0 0 Pass 0.0000 C C 0 Pass 0.0000 C C 0 Pass 0.0000 C 0 O Fass 0.0000 J 0 C Pass 0.0000 0 0 C Fass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.ONO 0 0 0 Pass 0.0000 0 0 0 Pass 0.0030 0 0 Pass O.COOO 0 0 G Pass 0.0000 0 0 G Pass 0.0000 0 0 C Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 © 0 0 Pass 0.0000 0 0 0 Pass 0.000o 0 0 G Pass 0.0000 0 0 G Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass O.O000 0 0 0 Pass 0.0000 0 0 0 Pass 0.10000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass O.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 G 0 0 Pass O.00o0 C. 0 0 Pass 0.0000 0 0 0 Pass 0.0000 C 0 0 Pass 0.0000 C G 0 Pass 0.0000 G G 0 Pass 0.0000 0 C 0 Pass 0.0000 0 C 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass O.00oo 0 0 0 Pass O.Co00 0 0 0 Pass o.000o 0 0 0 Pass O.CGOo 0 0 0 Pass 0.0000 0 0 0 Pass O.0000 0 0 0 Pass O.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0" Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass o.0000 0 0 0 Pass 0.0000 0 0 0 Pass C.0000 0 0 0 Pass 0.0000 0 0 0 Pass O.Oaoo 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 3.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 1 nnnn n r. n na�� 0.CCOC 0 C C Pass 0.0000 0 C C Pass 0.0000 0 C 0 Pass 0.0000 0 0 0 Pass 0.0000 0 C 0 Pass 0.0000 0 C 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 C Pass 0.0000 0 C C Pass 0.00'DC' C C Pass 0"0000 0 0 C Pass Water Quality HKP Flow and Volume for POC 1. on --line facility volume: 0 acre-feet on-line facility target flow: 0 cfs. Adjusted for 15 min: 0 cfs. Off-line facility target flow: G cfs. Adjusted for 15 min: C cfs. Perind and Impind Changes No changes have been _Wade. This program and accoirpany°ing documentation is provided 'as -is' without warranty of any kind. The entire risk regarding the performance and results of this program is assumed by the user" Clear Creek Solutions and the Washington State Department of Ecology disclaims all warranties, either expressed or implied, including but not limited tc implied uarrannies of program and accompanying documentation, =n no event shall Clear Creek Solutions and/or the Washington State Department of Ecology be liahle for any damages whatsoever (inciuding without _imitation to damages for loss of business prVits, loss of business information, business in'_errupticn, and the like) arising out of the use of, or inability tc use this program even if Clear Creek Solutions or the Washington ;tate Department of Ecology has been advised of the possibility of such damages. MArtw PAMIAt WPc RA U 41 k) W W 14A4- CtXfW IFacility, Name Downstream Connection Facility Type i Precipitation Applied to Facility - Evaporation Applied .to Facility `Facility Bottom Elevation (ft) 'Facility Dimensions Trench Length 65 Trench Bottom Width 1.65 Effective Total Depth 12 Bottom slope of Trench 10.00001 Left Side Slope 0.00001 r Right Side Slope 10.00001 'Material Lagers for Gravel Trench Bed 1 Outlet i Outlet 2 Outlet 3 ° . 0 0 -� Cravel Trench/Bed 0 Quick Trench Outlet Structure Riser Height (ft) 1.15 - Riser Diameter(in) 1 g Riser Type Flat Y Notch Type Layer 1 Thickness (ft) 12 Orifice Diameter Height Wax Layer 1 porosity 0 Number (In) (Ft) (cls Layer 2 Thickness (ft( Layer 2 porosity Layer S Thickness (ft)0 3 F-`"="�"' Layer 9 porosity lo Infiltration Trench Volume at Riser Head (acre -ft) .066 .i Measured Infiltration Rate (In/hr) � � Pond Increment p 10 Infiltration Reduction Factor - Show Ponta Table e 0 en Tabl—=- R . t Use Wetted Surface Area (sidewalls) j N 07— —Total Total Volume Infiitrated(acre-ft) 155.811 Total Volume Through Facility(acre-ft) 155.845 Total Volume Through Riser(acre-ft) 0.094 Percent Infiltrated 99.58 Western Washington Hydrology Model PROJECT REPORT Project Name: default Trench Bed Site Address: Table Stage(ft) City O.00O �N PAOW& AMIr RAW44"W Report Date 12/11'X11 0.000 Gage eatac wwo WrK Data Start 1998%10%Oi 0.04' Data End 1998/09/30 0.000 Precip Scale: i.i7 0.097 WWHM3 Version: 0.000 0.196 PREDEVELOPED LAND USE Name Bus Area 'kith Bypass: No Groundwater: No Pervious Land Use Acres Impervious Land Use Acres %AA p ^W WS PARKING FLAT 1 �► +,•--�+' r� Element Flows To: Surface Interflow Groundwater Gravel -rench Bed 1, Gravel Trench Bed 1, Name Gravel Trench Bed 1 Bottom Length: 65ft. Bottom Width : 65f`. Trench bottom slope 1: 0.0000`_ To 1 Trench Left side slope 0: 0_00001 To - Trench right side slope 2: 0.00001 To 1 Material thickness of first layer : 2 Pour Space of material for first layer 0.4 Material thickness of second layer : 0 Pour Space of material for second layer 0 Material thickness of third layer : 0 Pour Space of material for third layer : 0 Infiltration On Infiltration rate : 2 Infiltration saftey factor Discharge Structure Riser Height: 1.7F ft. Riser Diameter: 18 in, Element Flows To: Outlet 1 Outlet 2 Gravel Trench Bed Hydraulic Table Stage(ft) Area(acr) Volume(acr-ft) Dschrg(cfs) Infilt(cfs) O.00O 0.097 C.000 0.000 0.000 0.022 0.097 0.001 0.000 0.196 0.04' (13097 0.002 0.000 0.196 0.06? 0.097 0.003 0.000 0.196 0.089 0.097 0.003 0.000 0.7.96 0.111 0.09? 0.004 0.000 0.196 0. 133 0.097 0.005 0.000 0.196 0.156 0.097 0.006 0.000 0.196 0.178 0.097 0.'007 0.000 0.196 0.200 0.097 0.008 O.00D 0.196 0.222 0.097 0.009 0.000 0.196 0.244 0.097 0.009 0.000 0.196 0.267 0.097 O.OIC 0.000 0.196 0.289 0.097 0.011 0.000 0.196 0.3"_1 0.097 0.012 0.000 0.196 0.333 0.097 0.013 0.000 O.i96 0.356 0.097 0.014 0.000 0.196 0.378 0.097 0.015 0.000 0.196 0.400 0.097 0.016 0.000 0.196 0.422 0.097 0.016 0.000 0.196 0.444 0.097 0.017 0.000 C.196 0.467 0.097 0.018 0.000 0.196 0.489 0.097 0.019 0.000 0.196 0.511 0.097 0.020 0.000 0.196 0.533 0.097 0.02= 0.000 0.196 0.556 0.097 0.02.2 0.000 0.196 0.578 0.097 O.C22 0.000 0.196 0.600 0.097 O.C23 0.000 0.196 0.622 0.097 0.024 0.000 0.196 0.644 0.097 0.025 0.000 0.196 0.667 0.097 0.026 0.000 0.196 0.689 0.097 0.027 0.000 0.196 0.711 0.097 0.028 0.000 0.196 0.733 0.097 0.028 0.000 0.196 0.756 0.097 0.C29 0.000 0.196 0.778 0.097 0.030 0.000 0.196 0.800 0.097 0.031 0.000 0.196 0.822 0.097 0.032 0.000 0.196 0.844 0.097 0.033 0.000 0.196 0.867 0.097 0.034 O.00O 0.196 0.889 0.097 0.034 0.000 0.196 0.911 0.097 0.035 0.000 0.196 0.933 0.097 0.036 0.000 0.196 0.956 0.097 0.03/ 0.000 0.196 0.978 0.097 0.038 0.000 0.196 1.000 0.097 0.039 0.000 0.196 1.022 0.097 0.040 0.000 0.196 1.044 0.097 0.041 0.000 0.196 1.067 0.097 0.041 O.000 0.196 1.089 0.097 0.042 0.000 0.196 1.111 0.097 0.043 C.000 0.196 1.133 0.097 0.044 O.D00 0.196 1.156 0.097 0.045 0.000 0.196 1.178 ^1).097 0.046 0.000 0.196 -_.20C 0.097 0.047 0.000 0.196 -.222 0.097 0.047 0.000 0.196 1.244 0.097 0.048 0.000 0.196 1.267 0.097 0.049 0.000 0.196 1.289 0.097 0.050 0.000 0.196 1.311 0.097 0.051 0.000 0.196 1.333 0.097 0.052 O.000 0.196 1.356 0.097 0.053 0.000 0.196 1.378 0.097 0.053 O.ODO 0.196 1.400 0.097 0.054 0.000 0.196 1.422 0.097 0.055 0.000 0.196 1.444 0.097 0.056 0.000 0.196 1.467 0.097 0.057 0.000 0.196 1.489 0.097 0.058 0.000 0.196 1.511 0.097 0.059 0.000 0.196 1.533 0.097 0.059 0.000 0.196 1.556 0.097 0.060 0.000 0.196 1.578 0.097 0.061 0.000 0.196 1.600 0.097 0.062 0.000 0.196 1.622 0.097 0.063 0.000 0.196 1.644 0.097 0.069 0.000 0.196 1.667 0.097 0.065 0.000 .0.196 1.689 0.097 0.066 0.000 0.196 71, n nq-� n nCF n nnn n 1Qti 1.-,'�'3 0.09? 0.067 0.000 0.196 l.?5C, 0.091 0.068 0.006 0.196 1.71q 0.097 0.069 0.068 0.196 i . 8t)0 C . 097 0. 070 0. 16? 0. 196 1.822 0.091 C.C7� 0.284 0.196' 1.899 0.097 C.C'72 0,424 0.196 1.86? 0.09? C.C72 0.582 0.196 1.889 0.097 CC 7 3 C.-156 0.196 1.911 0.C9 C.C7, C.995 0.196 1.933 O.C9 C.C7ti 1.197 0.196 1.956 0.097 C.C76 1.361 0.196 1.9;8 0.091 O.0?! 1,5e8 0.196 2.000 0.091 C.078 1.826" 0.196 MITIGATED LAND USE ANALYSIS RESULTS Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 year C 5 year C 10 year C 25 year C 50 year C 100 year 0 Flow Frequency Return Periods for Mitigated. POC #1 Return Period Flow(cfs) 2 year 0 5 year C 10 year 0 25 year 0 50 year C 100 year 0 Yearly Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated Ranked Yearly Peaks for Predeveloped and Mitigated. POC #1 Rank Predeveloped Mitigated POC #1 The Facility PASSED The Facility PASSED, Flow(CFS) Predev Dev Percentage Pass/Fail O.0CIO O 0 0 0 Pass Ci. COOO 0 G 0 Fass 0.0000 0 G C Pass 0.0000 0 G 0 Pass 0.0000 O 0 0 Pass 0.0000 0 G 0 Pass 0.0000 C 0 Pass 0.0000 O C C Pass 0.0004 0 C 0 Pass 0.0000 0 C 0 Pass 0.OD00 0 C 0 Pass 0.0000 0 C C Pass 0.0000 0 C 0 Pass 0.0000 0 C 0 Pass 0.0000 C 0 0 Pass 0.O00C 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 C Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0. OHO 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.00p0 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass C.0000 0 0 0 Pass C.0000 0 0 0 Pass C.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass O.00DO 0 0 O Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass O.OGOO 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0003 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass O.00K G 0 0 Pass 0.0000 0 0 0 Pass 0.0000 C 0 0 Pass 0.0000 C 0 0 Pass 0.0000 0 0 0 Pass O.00pO 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 G 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 p Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 O 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 C. 0 Pass O.0000 0 0 0 Pass 0.0000 0 0 0 Pass 0.0000 0 C 0 Pass n nnnn n n n p��G 0.0000 0 J 0 Pass 3.0000 0 0 0 Pass 3.0000 0 0 0 Pass 3.0000 0 0 C Pass :.0000 C 0 C Pass 0.0000 C 0 C Pass „.0000 C 0 C Pass C.000O 0 0 C Pass C.00CO 0 0 C Pass 0.0000 0 0 C Pass C.000 0 0 C Pass C_0006 0 0 C Pass Water Quality BMP Flow and Volume for FOC 1. On-line facility volume! 0 acre-feet on-line facility target flow! 0 Ms. Adjusted for 15 min; C cfs. Off-line facility target flow: D cfs. Adjusted for 15 min; C Ms. Perind and Impind Changes No changes have been made. This program and accompanying documentation is provided 'as -is' without warranzy of any kind. The entire risk regarding the performance and results of this program is assumed by the user. Clear Creek Solutions and the Washington State Department of Ecology d-sclaim:s al] warranties, either expressed or implied, including but not limited to implied warranties of program: and accompanying documentation, In no event shall Clear :'reek Solutions and/or the Washington Sta-e Department of Ecology be liable for any damages whatsoever (including without limitarion to damages for loss of business profits, loss of business infcrmatior, business interruption, and the like; arising out of the uso of, or inability to use this program even if Clear Creek SOAOions or the Washington State Department of Ecology has been advised of the possibility of soc:h damages. Building Developed Basin Impervious 2.08 ac Pervious 0.73 ac Total 2.81 ac Trench NtUfe 4-2, IREt LTWj,g IJ C 4JkT1044 Outlet I Outlet 2 Outlet 3 Downstream Connection 0 =fJ p Facility Type Gravel Trench/Bed f— Precipitation Applied to Facility _-- Quick Trench,] Facility Bottom Elevation (ft) 0 Facility Dimensions Wax Trench Length X38 ,1i. Trench Bottom Width 13 INO Effective Total Depth J Total Volume Through Riser(acre-ft) Bottom slope of Trench p.5-6 . Left Side Slope Right Side Slope O.fJf-6631 Material Layers for Layer 1 Thickness (ft) Layer 1 porosity Layer 2 Thickness (ft) Layer 2 porosity Layer 3 Thickness (ft) Layer 3 porosity Infiltration E __ Wax Measured infiltration Rate (in/hr) f2 -0 Infiltration Reduction Factor Use Wetted Surface Area (sidewalls) INO Total Volume Infiltrated(acre-ft) 315.47 Total Volume Through Riser(acre-ft) 0 Outlet Structure Riser Height (ft) 7 S g -4-A RiserDiameter(in) Riser Type l Rak ---� Notch Type Orifice Diameter Height Wax Number (In) (Ft) (cfs) o Trench Volume at Riser Head (acre -ft) .131 Pond Increment Q 1 Show Pond Table FO per, ,Table Total Volume Through Facility(acre-ft) 315.47 Percent Infiltrated 1013 f� 41 TZ 5pt.r IRTO TWO BkSMS h btuLopy, rpa -0 -rz-*Xo Q K%DN � NM.F A TMc somal D -b 1wu+ot qK'q MV1,F to North�Rar Lot Developed Basin Impervious 0.55 ac Pervious 0.83 ac Total 1.38 ac Trench Facility Name Outlet 1 Outlet 2 Outlet 3 Downstream Connection 0 = 10 1 Facility Type Gravel TrencNBed f� Precipitation Applied to Facility Quick Trench Facility Bottom Elevation (ft) Facility Dimensions Trench Lengthy QMax J Trench Bottom Width (Cts) 1 01 Effective Total Depth 0 2r7 Bottom slope of Trench 0 0100001 Left Side Slope 0 0.D0001 Right Side Slope p pd001 0 Material Layers for Layer 1 T hiekness (ft)L� Layer 1 porosity Layer 2 Thickness (ft) Layer 2 porosity Layer 3 Thickness (ft) Layer 3 porosity L [ Infiltration YES = •E Measured Infiltration Rate (in/hr) 20 Infiltration Reduction Factor f Use Wetted Surface A€ea(sidewalls) NO Total Volume Infilkrated(acre-ft) 122.483 Total Volume Through Riserf acre•ft) 0 Outlet Structure Rises Height (ft) f1-9 9 Riser Diameter(in) B F Riser Type 1 115� – -- Notch Type Orifice Diameter Height QMax Number (Irt) (Ft) (Cts) 1 01 d 0 2 F J0 – �-J 0 3– —�–� 0 Trench Volume at Riser Head (acre -ft) .048 Pond Increment 0.10 Shaw Pond Table 10pen Table Total Volume Through Facility(acre-ft) 122.483 Percent Infiltrated 100 5 Ae S 14 ;downstream Connection ;Facility Type IF Precipitation Applied to Facility jr EaapoM06h40h6dtDF4c > (Facility Bottom Elevation (ft) ;Facility Dimensions Trench Length 1120 I T rench Bottom Width 13 Effective Total Depth 121 Bottom slope of Trench Left Side dope 10.00001 0.00001 Right Side Slope 10,00001 . Outlet 1 Outlet 2 Outlet 3 =ravel Quick Trench a IMateriai Layers for Layer 1 Thickness (ft) 120 Layer 1 porosity 10.4 Layer 2 Thickness (ft) 0 Layer 2 porosity 0 (Layer 3 Thickness (ft) 10 Layer 3 porosity 10 i jinfiltration YES Measured Infiltration Rate (in/hr) ..__ -j- Infiltration Reduction Factor Use Wetted Surface Area (sidewalls) i Total Volume I nfiltrated(acre-ft) 145.809 ITotal Volume Through Riser(acre-ft) 0 Outlet Structure Riser Height (ft) Riser Diameter(in) g Riser Type ' Flat __...__ . Notch Type Orifice Diameter Height Number (In) (FQ 1 .-. 2� 3 QMax (cfs) 0 0 0 Trench Volume at Riser Head (acre -ft) .066 Pond Increment 0.10 '!I Shaw Pond Table 10pen Table Total Volume Through Facility(acre-ft) 149.809 Percent Infiltrated 100 $Q5 WA Sa� : Z5603 oC4FT C •� a`' moxa. t.eD AS /ao/ !M10cowws Facility Name 16ravel Trench Bed 1 i Outlet 1 nutlet 2 nutlet 3 ;Downstream Connection 10 0 I Facility Type Gravel Trench/Bed Precipitation applied to Facility Quick Trench - EYaporat�n ►6lied to Facihty _..: Facility Bottom Elevation (ft) Facility Dimensions 0 Trench Length 11.00 Trench Bottom Width . , Measured Infiltration Rate (in/hr) Layer 1 Thickness (ft) Effective Total DepthU Orifice Diameter Height OMax Bottom slope of Trench Q,4 . I]:I�OCl01 Left Side Slope (cfs) 10,00001 . 0 Right Side Slope 1 10.00001 Layer 2 porosity Outlet Structure Riser Height (ft) 19.9 Riser Diameter(in) :11 - R iser Type t Fiat Notch Type Material Layers for Trench Volume at Riser Head (acre -ft) 055 . , Measured Infiltration Rate (in/hr) Layer 1 Thickness (ft) ZO Orifice Diameter Height OMax Layer 1 porosity Q,4 . Number (In) (Ft) (cfs) Layer 2 Thickness (ft) 0 1 1� 1 0 Layer 2 porosity 2 l0 -j 0 Layer 3 Thickness (ft) 0L� 3 l0 ___........- - ,,_, 0 Layer 3 porosity 0 r0 Infiltrationp"r'E'� Trench Volume at Riser Head (acre -ft) 055 . , Measured Infiltration Rate (in/hr) F0 Pond Increment 0.10 _, Infiltration Reduction Factor, Show Pored Table Open Table Use Wetted Surface Area (sidewalks) H O Total Volume Infiltrated(acre-ft) 93.459 Total Volume Through Facility(acre-ft) 93.459 TotalValume Through Riser(acre fk) 0 ;' Percent Infiltrated 100 R2 f .. rrtwszdssY��k Fs?.:i�ir am '0 [1p q VawN Dry PLAO 1/4 5.0 CONVEYANCE SYSTEM ANALYSIS AND DESIGN The site's conveyance system will be designed to meet City of Renton drainage requirements, PreliminaryTechnical Childhood Information Report 13MOM Renton Early Childhood Learning Center 5-1 210515.10 6.0 SPECIAL REPORTS AND STUDIES A geotechnical analysis of the site was completed by Associated Earth Sciences, Inc. Their report and supplement memos are included in the appendix. Preliminary y Childhood Information Report M1000 Renton Early Childhood Learning Center 6-1 210515.14 Section 6.0 Figures Figure 6-1 ........Subsurface Exploration, Preliminary Geotechnical Engineering and Infiltration Report. Associated Earth Sciences, Inc., November 18, 2010 Figure 6-2 ........Preliminary Design Infiltration Rate Technical Memorandum Associated Earth Sciences, Inc., August 15, 2011 Figure 6-3 ........Summary of Additional Borings to Delineate Existing Fill Associated Earth Sciences, Inc., August 17, 2011 Preliminary Technical Information Report MID193 Renton Early Childhood Learning Center 210515.10 Associated Earth Sciences, Inc. IN [E y �;J 0 Gele6vahns over ,25' Vectvr o f s'eroce November 18, 2010 Project No_ KE100287A Renton School District c/o Greene Gasaway Architects, PLLC P.O. Box 4158 Federal Way, Washington 98063 Attention: Mr. Calvin Gasaway Subject: Subsurface Exploration, Preliminary Geotechnical Engineering, and Infiltration Feasibility Report Proposed Early Childhood Center 1800 Index Avenue NE Renton, Washington Dear Mr. Gasaway; We are pleased to present these copies of our preliminary geotechnical and infiltration feasibility report for the referenced project. This report summarizes the results of our subsurface exploration, geologic hazards, and geotechnical engineering studies, and offers preliminary recommendations for the design and development of the proposed project. A discussion of the feasibility of infiltrating storm water is also presented. At the time this report was prepared, the site was in the conceptual planning stage and no project layout or plans had been formulated. We recommend that we be allowed to review the recommendations contained in this report and modify them, if necessary, when a project plan has been developed. We have enjoyed working with you on this study and are confident that the recornmendations presented in this report will aid in the successful completion of your project. If you should have any questions or if we can be of additional help to you, please do not hesitate to call. Sincerely, ASSOCIATED EARTH SCIENCES, INC. Kirkland, Washington K rt D. Merriman, P.E. Principal Engineer KDW[b - KE100287A2 - Pro)ectsQ01002671KElWP Kirkland Everett Tacoma 425-827-7701 425-259-0522 253-722-2992 www.aeszeo.com Geotechnical Engineering VVater Resources Associated Earth Sciences, Inc. Subsurface Exploration, Preliminary Geotechnical Engineering, and Infiltration Feasibility Report PROPOSED EARLY CHILDHOOD CENTER Environmental Assessments and Remediation ItM Sustainable Development Services Geologic Assessments Renton, Washington Prepared for Renton School District c/o Greene Gasaway Architects, PLLC Project No. KE100287A November 18, 2010 h. Associated Earth Sciences, Inc. Subsurface Exploration, Preliminary Geotechnical Engineering, and Infiltration Feasibility Report PROPOSED EARLY CHILDHOOD CENTER Environmental Assessments and Remediation ItM Sustainable Development Services Geologic Assessments Renton, Washington Prepared for Renton School District c/o Greene Gasaway Architects, PLLC Project No. KE100287A November 18, 2010 SUBSURFACE EXPLORATION, PRELIMINARY GEOTECHNICAL ENGINEERING, AND INFILTRATION FEASIBILITY REPORT PROPOSED EARLY CHILDHOOD CENTER Renton, Washington Prepared for: Renton School District c/o Greene Gasaway Architects, PLLC P.O. Box 4158 Federal Way, Washington 98063 Prepared by: Associated Earth Sciences, Inc. 911 5"' Avenue, Suite 100 Kirkland, Washington 98033 425-827-7701 Fax: 425-827-5424 November 18, 2010 Project No. KE100287A Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and hifzltration Feasibility Repon Renton, Washington Pro ect and Site Conditions I. PROJECT AND SITE CONDITIONS 1.0 INTRODUCTION This report presents the results of our subsurface exploration, geologic hazards, preliminary geotechnical engineering, and storm water infiltration feasibility studies for the proposed Early Childhood Center. The site location is shown on the "Vicinity Map," Figure 1. The approximate locations of exploration borings completed for this study are shown on the "Site and Exploration Plan," Figure 2. Logs of the subsurface explorations and copies of laboratory test results completed for this study are included in the Appendix. 1.1 Purpose and Scope The purpose of this study was to provide geotechnical engineering design recommendations to be utilized in the preliminary design of the project, and to provide infiltration feasibility recommendations to guide concept and design development phases of the project. This study included a review of selected available geologic literature, advancing seven hollow -stem auger soil borings, installing one ground water observation well, and performing geologic studies to assess the type, thickness, distribution, and physical properties of the subsurface sediments and shallow ground water. Geotechnical engineering studies were completed to establish recommendations for the type of suitable foundations and floors, allowable foundation soil bearing pressure, anticipated foundation and floor settlement, pavement recommendations, and drainage considerations. We also completed a limited study regarding the feasibility of infiltrating storm water generated by the new project. This report summarizes our fieldwork and offers preliminary geotechnical engineering and infiltration feasibility recommendations based on our present understanding of the project. We recommend that we be allowed to review the recommendations presented in this report and revise them, if needed, when a project design has been developed. 1.2 Authorization Authorization to proceed with this study was granted by Mr. Calvin Gasaway of Greene Gasaway Architects, PLLC. Our work was completed in general accordance with our scope of work and cost proposal, dated September 10, 2010. This report has been prepared for the exclusive use of Greene Gasaway Architects, PLLC, the Renton School District (District), and their agents for specific application to this project. Within the limitations of scope, schedule, and budget, our services have been performed in accordance with generally accepted geotechnical engineering, engineering geology, and hydrogeology practices in effect in this area at the time our report was prepared. No other warranty, express or implied, is made. November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. 6WGI& — KE100287A2 - Projects 120100287tKEIWP Page I Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washington Project and Site Conditions 2-0 PROJECT AND SITE DESCRIPTION The project site is that of the existing Early Childhood Center, which is housed in a building previously used as an elementary school and middle school, We understand that the proposed project will include demolition of all of the existing buildings and construction of a new Early Childhood Center facility. No project concept had been prepared when this report was written. Storm water management plans has also not been formulated. We anticipate that the new facility will include low rise buildings with foundation loads typical of local school construction. We anticipate that the new buildings will be constructed close to existing grades without the need for substantial earthwork cuts or fills. The existing facility includes permanent and portable buildings along the west side of the site, existing paved parking areas west and northeast of the main buildings, and paved and unpaved play areas east of the existing school. A natural turf soccer field is located north and east of the existing buildings. The site is relatively flat, with overall vertical relief visually estimated at less than 10 feet. The site does not appear to contain areas that will trigger geotechnical critical areas regulations related to steep slopes or seismic hazards. 3.0 SUBSURFACE EXPLORATION Our subsurface exploration completed for this project included advancing seven hollow -stem auger soil borings and installing one ground water observation well. The conclusions and recommendations presented in this report are based on the explorations completed for this study. The locations and depths of the explorations were completed within site and budget constraints. 3.1 Exploration Borings The exploration borings were completed by advancing hollow -stem auger tools with a track - mounted drill rig. During the drilling process, samples were obtained at generally 2.5- to 5 -foot -depth intervals. The exploration borings were continuously observed and logged by a representative from our firm. The exploration logs presented in the Appendix are based on the field logs, drilling action, and inspection of the samples secured. Disturbed but representative samples were obtained by using the Standard Penetration Test {SPT} procedure in accordance with American Society for Testing and Materials (ASTM):D 1586. This test and sampling method consists of driving a standard, 2 -inch outside -diameter, split -barrel sampler a distance of 18 inches into the soil with a 140 -pound hammer free -falling a distance of 30 inches. The number of blows for each 6 -inch interval is November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. Bi+JGllb - KE100287A2 - Projeas1201002871KLWP Page 2 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washington Pii!�ecr and Site Conditions recorded, and the number of blows required to drive the sampler the final 1.2 inches is known as the Standard Penetration Resistance ("N") or blow count. If a total of 50 is recorded within one 6 -inch interval, the blow count is recorded as the number of blows for the corresponding number of inches of penetration. The resistance, or N -value, provides a measure of the relative density of granular soils or the relative consistency of cohesive soils; these values are plotted on the attached exploration boring logs. The samples obtained from the split -barrel sampler were classified in the field and representative portions placed in watertight containers. The samples were then transported to our laboratory for further visual classification, 4.0 SUBSURFACE CONDITIONS Subsurface conditions at the project site were inferred from the field explorations accomplished for this study, visual reconnaissance of the site, and review of selected applicable geologic literature. Because of the nature of exploratory work below ground, extrapolation of subsurface conditions between field explorations is necessary. It should be noted that differing subsurface conditions may sometimes be present due to the random nature of deposition and the alteration of topography by past grading and/or filling. The nature and extent of any variations between the field explorations may not become fully evident until construction. 4.1 Stratigraphy Surficial Topsoil Our exploration borings which were completed in unpaved areas generally encountered approximately 6 to 8 inches of topsoil and grass. Topsoil is not suitable for structural support, and should be stripped from structural areas. Excavated topsoil may be suitable for reuse in landscape areas, Existing Paving Existing paving was encountered at two of the exploration locations. Measured pavement thickness is shown on the exploration logs, and ranged from 1.5 to 2 inches. Fill Existing fill was encountered in one of our exploration borings (EB -7) to a depth of approximately 7 feet below the existing ground surface. The existing ill was observed to be November I8, 2070 ASSOCIATED EARTH SCIENCES, INC. 6WGhb-KE)00287A2-Projects12010028nKE1WP Page 3 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, Acid Infiltration FeasibUity Report Renton, Washington Project and Site Conditions loose, and appeared to consist primarily of materials derived on-site and moved or disturbed during earlier site work. It is worth noting that historical site plans depict houses that previously existed in the vicinity of EB -7. It seems likely that the existing fill will extend along the north side of the site in the vicinity of the houses that were demolished. The houses do not appear on the oldest, readily available aerial photograph taken in 1990, and must have been demolished prior to then. The existing fill is loose and will require removal or other remedial preparation below planned building areas and remedial preparation below planned paving. Lodgement Fill Each of the exploration borings except EB -7 encountered medium dense to very dense silty sand with gravel, interpreted as Vashon lodgement till, The lodgement till observed in our explorations was relatively more oxidized, and less dense than is typical for lodgement till sediments. These variations are likely related to the contact with the underlying advance outwash sediments_ From an engineering standpoint, the lodgement till observed in our exploration borings can be expected to perform in a manner similar to typical lodgement till sediments. Lodgement till was deposited at the base of an active continental glacier and was compacted by the weight of the overlying glacial ice. Lodgement till is suitable for structural support when properly prepared. Excavated lodgement till material is suitable for use in structural fill applications if suitable moisture conditions are achieved and if specifically allowed by project plans and specifications, which will require drying during favorable dry weather. At the time of exploration, we estimate that most of the lodgement till soils that we observed were at or above optimum moisture content for compaction purposes, and therefore, will require drying during favorable weather prior to compaction in structural fill applications. Advance Ourwash Each of the exploration borings encountered dense to very dense granular sediments, typically below a lodgement till cap, that were interpreted to represent advance outwash sediments. Advance outwash was deposited at the base of an advancing glacier, and was subsequently compacted by the weight of the overlying glacial ice. Advance outwash is suitable for support of shallow foundations and paving with proper preparation. Excavated advance outwash sediments are expected to be suitable for reuse in structural fill applications if specifically allowed by project plans and specifications, and are expected to be moisture -sensitive, though somewhat less moisture -sensitive than lodgment till sediments. It should be noted that due to the depth below existing grade where advance outwash sediments were observed, it is unlikely that they will provide direct foundation support for a substantial part of the project. It is also November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. DWG1r6 - KE1002VA2 - Pro)ev.o2010028T KE'•WP Page 4 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washington Project and Site Conditions unlikely that excavated advance outwash sediments will be available for reuse in structural fill applications in significant quantity. Published Geologic Map We reviewed a published geologic map of the area (Geologic Map of King County, Washington, by Derek B. Booth, Kathy A. Troost, and Aaron P. Wisher, 2006). The referenced map indicates that the site is expected to be underlain by lodgement till, with recessional outwash mapped to the west, and advance outwash mapped to the east along the May Creek drainage and its tributaries. 4.2 Hydrology We did not encounter substantial ground water in our explorations at the time of drilling. Isolated perched seepage zones were observed in some locations and are noted on the subsurface exploration logs in the Appendix. We constructed a well in exploration boring EB -I. Establishing a known unsaturated thickness of advance outwash sediments can be valuable in infiltration system design, and data from the well in EB -1 are expected to provide such evidence. Ground water is expected to occur seasonally at this site "perched" above the underlying lodgement till and advance outwash sediments, and possibly above existing fills. Perched ground water occurs when vertical infiltration is impeded by less -permeable soil layers, resulting in horizontal flow. The quantity and duration of perched ground water flow from an excavation will vary, depending on season, soil gradation, and adjacent topography. Ground water conditions should be expected to vary in response to changes in precipitation, on- and off-site land usage, and other factors, 4.3 Laboratory Testin As a part of our investigation of the infiltration potential of the site soils, we completed three laboratory grain size analyses. Copies of the grain size analyses reports are included in the Appendix. 4.4 Infiltration Potential The site is underlain by lodgement till, which is in turn underlain by advance outwash sediments. Lodgement till is silty and dense, and is not suitable for use as a storm water infiltration receptor. Advance outwash is suitable for use as an infiltration receptor under some circumstances. At this site, the depth below the existing ground surface where advance November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. BWG10b - KE100287A2 - Projecis1201002871KE1WP Page 5 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineet•ing, and Infiltration Feasibility Report .Renton, Washington Pro'ect and Sire Conditions outwash sediments were observed in our exploration borings ranged from approximately 8 to 14 feet. The single deep exploration boring completed for this study, EB -1, encountered advance outwash sediments to the full depth explored of 61,5 feet. We installed a well in EB -1, and did not observe water in the well at the time of drilling or on the following day. We will continue to sound the well for water periodically through the winter of 2010 - 201.1. The advance outwash sediments we observed typically consisted of sand with relatively small amounts of silt and gravel, and with some gradational stratification that is typical of advance outwash sediments. In our opinion, the advance outwash we observed in our initial explorations is well suited to storm water infiltration using deeper infiltration strategies, such as infiltration trenches, rock -filled "pit drains", or UIC wells. Use of any of these infiltration methods in a final design should be based on an infiltration study that is specific to the infiltration system design and location. We are available to work with the project civil engineer to help develop a preliminary storm water management plan, and to formulate an infiltration study that is consistent with the preliminary plan. November 1$, 2010 ASSOCIATED EARTH SCIENCES, INC.. BWGIlb - hE100287A2 - Projects 120100?87WEIW!, Page 6 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washington Geologic Hazards and M ations II. GEOLOGIC HAZARDS AND MITIGATIONS The following discussion of potential geologic hazards is based on the geologic, slope, and ground and surface water conditions, as observed and discussed herein. The discussion will be limited to slope stability, seismic, and erosion issues. 5.0 SLOPE HAZARDS AND MITIGATIONS In our opinion, no slopes on or adjacent to the site meet applicable definitions for management as critical areas in accordance with Renton Municipal Code Section 4-3-050. No detailed slope stability analysis was completed for this study, and none is warranted, in our opinion. 6.0 SEISMIC HAZARDS AND MITIGATIONS The site does not contain areas that meet City of Renton definitions for high seismic hazard areas. The following discussion is a more general assessment of seismic hazards that is intended to be useful to the District in terms of understanding seismic issues, and to the structural engineer for final structural design. Earthquakes occur regularly in the Puget Lowland. The majority of these events are small and are usually not felt by people. However, large earthquakes do occur, as evidenced by the 1949, 7.2 -magnitude event; the 2001, 6.8 -magnitude event; and the 1965, 6.5 -magnitude event. The 1949 earthquake appears to have been the largest in this region during recorded history and was centered in the Olympia area. Evaluation of earthquake return rates indicates that an earthquake of the magnitude between 5.5 and 6.0 is likely within a given 20 -year period. Generally, there are four types of potential geologic hazards associated with large seismic events; 1) surficial ground rupture, 2) seismically induced landslides, 3) liquefaction, and 4) ground motion. The potential for each of these hazards to adversely impact the proposed project is discussed below. 6.1 Surficial Ground Rupture Generally, the largest earthquakes that have occurred in the Puget Sound area are sub -crustal events with epicenters ranging from 50 to 70 kilometers in depth. Earthquakes that are generated at such depths usually do not result in fault rupture at the ground surface. Current November 18, 2010 ASSOCIATED EARTH SCIENCES, INC - 2 WGIO NC_2WGIO - KEI00287A2 - Projea.51201002871KElWP Page 7 Subsurface Exploration, Prelirninary Geotechnical Proposed Early Childhood Censer Engineering, and hiftltration Feasibility Report Renton, Washington Geologic Hazards and Midi ations research indicates that surficial ground rupture is possible in areas close to the Seattle Fault Zone. Although our current understanding of this fault zone is limited and is an active area of research, the site lies south of the currently recognized limits of the Seattle Fault Zone. Therefore, based on current information, the risk of damage to planned improvements as a result of surface rupture due to faulting is low, in our opinion. 6.2 Seismically Induced Landslides It is our opinion that the potential risk of damage to the proposed development by seismically induced slope failures is low due to the lack of significant slopes on and adjacent to the site. 6.3 Liquefaction Liquefaction is a process through which unconsolidated soil loses strength as a result of vibrations, such as those which occur during a seismic event, During normal conditions, the weight of the soil is supported by both grain -to -grain contacts and by the fluid pressure within the pore spaces of the soil below the water table. Extreme vibratory shaking can disrupt the grain -to -grain contact, increase the pore pressure, and result in a temporary decrease in soil shear strength. The soil is said to be liquefied when nearly all of the weight of the soil is supported by pore pressure alone. Liquefaction can result in deformation of the sediment and settlement of overlying structures. Areas most susceptible to liquefaction include those areas underlain by non -cohesive silt and sand with low relative densities, accompanied by a shallow water table_ The subsurface conditions encountered at the site pose little risk of liquefaction due to relatively high density of the lodgement till and advance outwash, high silt content of the lodgement till, and Iack of significant ground water observed in our explorations. No detailed liquefaction analysis was completed as part of this final study, and none is warranted, in our opinion. 6.4 Ground Motion Structural design of buildings should follow 2009 International Building Code (113C) standards using Site Class "C" in accordance with Table 1613.5.2. The 2009 IBC mapped spectral accelerations for short period (Ss) and I -second period (Si) spectral acceleration values were determined by the latitude and longitude of the project sites using the United States Geological Survey (USGS) software utility Seismic Hazard Curves and Uniform Response Spectra. The USGS software interpolated ground motions at the project site as follows for periods of 0.2 and 1.0 seconds, respectively, with a 2 percent chance of exceedence in 50 years: Ss = 1.434, November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. BWC1tb - KL•1G02d7r12 Proieml?0100387'KDW? Page 8 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiliration Feasibility Report Renton, Washin ton Geologic Hazards and Mitigations Si = 0.490. Based on 2009 IBC tables 1613.5.3(1) and (2), an F� value of 1.0 and an Fv value of 1.31 should be used. 7.0 EROSION HAZARDS AND MITIGATIONS The site contains soils that meet City of Renton definitions for Erosion Hazard Areas. The following discussion addresses Washington State Department of Ecology erosion control regulations that will be applicable to the project. The State requirements are relatively new and are extensive. We anticipate that if the project complies with State requirements, it will also be acceptable with respect to City of Renton requirements. As of October 1, 2006, the Washington State Department of Ecology (Ecology) Construction Storm Water General Permit (also known as the National Pollutant Discharge Elimination System [NPDES] permit) requires weekly Temporary Erosion and Sedimentation Control (TESL} inspections and turbidity monitoring for all sites 1 or more acres in size that discharge storm water to surface waters of the state. Because we anticipate that the proposed project will require disturbance of more than one acre, we anticipate that these inspection and reporting requirements will be triggered. The following recommendations are related to general erosion potential and mitigation. The erosion potential of the site soils is high. The most effective erosion control measure is the maintenance of adequate ground cover. Maintaining cover measures atop disturbed ground provides the greatest reduction to the potential generation of turbid runoff and sediment transport. During the local wet season (October 15` through March 3151), exposed soil should not remain uncovered for more than 2 days unless it is actively being worked. Ground -cover measures can include erosion control matting, plastic sheeting, straw mulch, crushed rock or recycled concrete, or mature hydroseed. Some fine-grained surface soils are the result of natural weathering processes that have broken down parent materials into their mineral components. These mineral components can have an inherent electrical charge. Electrically charged mineral fines will attract oppositely charged particles and can combine (flocculate) to form larger particles that will settle out of suspension. The sediments produced during the recent glaciation of Puget Sound are, however, most commonly the suspended soils that are carried by site storm water. The fine-grained fraction of the glacially derived soil is referred to as "rock flour," which is primarily a silt -sized particle with no electrical charge. These particles, once suspended in water, may have settling times in periods of months. November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. BWG/rb - KE700287AZ - Projeus'i2O)O02871KEWP Page 9 Subsurface Explorarion, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washington Geologic Hazards and Mitigations Therefore, the flow length within a temporary sediment control trap or pond has virtually no effect on the water quality of the discharge, since it will not settle out of suspension in the time it takes to flow from one end of the pond to the other. Reduction of turbidity from a construction site is almost entirely a function of cover measures and flow control- Temporary sediment traps and ponds are necessary to control the release rate of the runoff and to provide a catchment for sand -sized and larger soil particles, but are very ineffective at reducing the turbidity of the runoff. To mitigate the erosion hazards and potential for off-site sediment transport, we recommend the following, 1. The winter performance of a site is dependent on a well -conceived plan for control of site erosion and storm water runoff. It is easier to keep the soil on the ground than to remove it from storm water. The owner and the design team should include adequate ground -cover measures, access roads, and staging areas in the project bid to give the selected contractor a workable site. The selected contractor needs to be prepared to implement and maintain the required measures to reduce the amount of exposed ground. A site maintenance plan should be in place in the event storm water turbidity measurements are greater than the Ecology standards. 2. All TESC measures for a given area, to be graded or otherwise worked, should be installed prior to any activity within that area. The recommended sequence of construction within a given area would be to install sediment traps and/or ponds and establish perimeter flow control prior to starting mass grading. 3. During the wetter months of the year, or when large storm events are predicted during the summer months, each work area should be stabilized so that if showers occur, the work area can receive the rainfall without excessive erosion or sediment transport. The required measures for an area to be "buttoned -up" will depend on the time of year and the duration the area will be left un -worked. During the winter months, areas that are to be left un -worked for more than 2 days should be mulched or covered with plastic. During the summer months, stabilization will usually consist of seal -rolling the subgrade. Such measures will aid in the contractor's ability to get back into a work area after a storm event. The stabilization process also includes establishing temporary storm water conveyance channels through work areas to route runoff to the approved treatment facilities. November 18, 2010 ASSOCIATED EARTH SCIENCES, JNC- BWG11b - KE100287�2 - Projeas1201002871KEIWP Page 10 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washington Geologic Hazards and Miti ations 4. All disturbed areas should be revegetated as soon as possible. If it is outside of the growing season, the disturbed areas should be covered with mulch, as recommended in the erosion control plan. Straw mulch provides the most cost-effective cover measure and can be made wind -resistant with the application of a tackifier after it is placed. 5. Surface runoff and discharge should be controlled during and following development. Uncontrolled discharge may promote erosion and sediment transport. Under no circumstances should concentrated discharges be allowed to flow over significant slopes. b. Soils that are to be reused around the site should be stored in such a manner as to reduce erosion from the stockpile. Protective measures may include, but are not limited to, covering with plastic sheeting, the use of low stockpiles in flat areas, or the use of straw bales/silt fences around pile perirneters. During the period between October 151 and March 31", these measures are required. 7. On-site erosion control inspections and turbidity monitoring should be performed in accordance with Ecology requirements, Weekly and monthly reporting to Ecology should be performed on a regularly scheduled basis. TESC monitoring should be part of the weekly construction team meetings. Temporary and permanent erosion control and drainage measures should be adjusted and maintained, as necessary, at the time of construction. It is our opinion that with the proper implementation of the TESC plans and by field -adjusting appropriate mitigation elements (BMPs) during construction, as recommended by the erosion control inspector, the potential adverse impacts from erosion hazards on the project may be mitigated. November 18, 2010 ASSOCIATED EARTH SCIENCES, INC- BWGQb — KE100287A2 - Projects 12010028 TKE1 WP Page 11 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washingtoai Preliminary Design Recominendations III. PRELIMINARY DESIGN RECOMMENDATIONS 8.0 INTRODUCTION Some portions of the site are underlain by a layer of surficial existing fill that is loose and variable. Existing fill is not suitable for support of new foundations and warrants remedial preparation where it occurs below paving and similar lightly loaded structures. Structural fill or native sediments are suitable for support of shallow foundations, floor slabs, and paving with proper preparation. 9.0 SITE PREPARATION Existing foundations, floor slabs, paving, buried utilities, vegetation, topsoil, and any other deleterious materials should be removed where they are located below planned construction areas. All disturbed soils resulting from demolition activities should be removed to expose underlying undisturbed native sediments and replaced with structural fill, as needed. All excavations below final grade made for demolition activities should be backfilled, as needed, with structural fill. Erosion and surface water control should be established around the clearing limits to satisfy local requirements. Once demolition has been completed, existing fill should be addressed. The observed fill depth in EB -7 was approximately 7 feet below existing grade. We anticipate that existing fill will also be present below and around the existing building, and associated with buried utilities. We recommend that existing fill be removed frorn below areas of planned foundations to expose underlying undisturbed native sediments, followed by restoration of the planned foundation grade with structural fill. Removal of existing fill should extend laterally beyond the building footprint by a distance equal to the depth of overexcavation. For example, if existing fill is removed to a depth of 2 feet below a planned footing area, the excavation should also extend laterally 2 feet beyond the footing limits. Care should be taken not to disturb support soils of existing foundations of structures that will remain. Support soils should be considered those soils within a prism projected downward and outward from existing footings at inclinations of 1H:IV (Horizontal -.Vertical). Where existing fill is removed and replaced with structural fill, conventional shallow foundations may be used for building support. November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. BWG/rb - KE10028712 - PrvjfasU010028nKBIWP page 12 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washington Preliminary Design Recommendations 9.1 Site Drainage and Surface Water Control The site should be graded to prevent water from ponding in construction areas and/or flowing into excavations. Exposed grades should be crowned, sloped, and smooth drum -rolled at the end of each day to facilitate drainage. Accumulated water must be removed from subgrades and work areas immediately prior to performing further work in the area. Equipment access may be limited, and the amount of soil rendered unfit for use as structural fill may be greatly increased, if drainage efforts are not accomplished in a timely sequence. If an effective drainage system is not utilized, project delays and increased costs could be incurred due to the greater quantities of wet and unsuitable fill, or poor access and unstable conditions. Our exploration borings did not encounter substantial free ground water at the time of exploration. We anticipate that perched ground water could be encountered in excavations completed during construction. We do not anticipate the need for extensive dewatering in advance of excavations. The contractor should be prepared to intercept any ground water seepage entering the excavations and route it to a suitable discharge location. Final exterior grades should promote free and positive drainage away from the buildings at all times. Water must not be allowed to pond or to collect adjacent to foundations or within the immediate building area. We recommend that a gradient of at least 3 percent for a minimum distance of 10 feet from the building perimeters be provided, except in paved locations. In paved locations, a minimum gradient of 1 percent should be provided, unless provisions are included for collection and disposal of surface water adjacent to the structures. 9.2 Sub rade Protection To the extent that it is possible, existing pavement should be used for construction staging areas. If building construction will proceed during the winter, we recommend the use of a working surface of sand and gravel, crushed rock, or quarry spalls to protect exposed soils, particularly in areas supporting concentrated equipment traffic. In winter construction staging areas and areas that will be subjected to repeated heavy loads, such as those that occur during construction of masonry walls, a minimum thickness of 12 inches of quarry spalls or 18 inches of pit run sand and gravel is recommended. If subgrade conditions are soft and silty, a geotextile separation fabric, such as Mirafi 500x or approved equivalent, should be used between the subgrade and the new fill. For building pads where floor slabs and foundation construction will be completed in the winter, a similar working surface should be used, composed of at least 6 inches of pit run sand and gravel or crushed rock. Construction of working surfaces from advancing fill pads could be used to avoid directly exposing the subgrade soils to vehicular traffic_ November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. 8WG/1b - KEr00287A2 - ProfecrV20100287WEM? Page 13 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washin tan Preliminary Design Recommendations Foundation subgrades may require protection from foot and equipment traffic and ponding of runoff during wet weather conditions. Typically, compacted crushed rock or a lean -mix concrete mat placed over a properly prepared subgrade provides adequate subgrade protection. Foundation concrete should be placed and excavations backfilled as soon as possible to protect the bearing surface. 9.3 Proof -Rolling and Subgrade Compaction Following the recommended demolition, site stripping, and planned excavation, the stripped subgrade within the building areas should be proof -rolled with heavy, rubber -tired construction equipment, such as a fully loaded tandem -axle dump truck. Proof -rolling should be performed prior to structural fill placement or foundation excavation_ The proof -roll should be monitored by the geotechnical engineer so that any soft or yielding subgrade soils can be identified. Any soft/loose, yielding soils should be removed to a stable subgrade. The subgrade should then be scarified, adjusted in moisture content, and recompacted to the required density. Proof -rolling should only be attempted if soil moisture contents are at or near optimum moisture content. Proof -rolling of wet subgrades could result in further degradation. Low areas and excavations may then be raised to the planned finished grade with compacted structural fill. Subgrade preparation and selection, placement, and compaction of structural fill should be performed under engineering -controlled conditions in accordance with the project specifications. 9.4 Overexcavation/Stabilization Construction during extended wet weather periods could create the need to overexcavate exposed soils if they become disturbed and cannot be recompacted due to elevated moisture content and/or weather conditions. Even during dry weather periods, soft/wet soils, which may need to be overexcavated, may be encountered in some portions of the site. If overexcavation is necessary, it should be confirmed through continuous observation and testing by Associated Earth Sciences, Inc. (AESI). Soils that have become unstable may require remedial measures in the form of one or more of the following: 1. Drying and recompaction. Selective drying may be accomplished by scarifying or windrowing surficial material during extended periods of dry and warm weather. 2. Removal of affected soils to expose a suitable bearing subgrade and replacement with compacted structural fill. 3. Mechanical stabilization with a coarse -crushed aggregate compacted into the subgrade, possibly in conjunction with a geotextile. 4. Soil/cement admixture stabilization. November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. BWGRb - KE1002VA2 - Proyeas1201002671KElWP Page 14 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Benton, Washington Preliminary DestEn Recommendations 9.5 Wet Weather Conditions If construction proceeds during an extended wet -weather construction period and the moisture - sensitive site soils become wet, they will become unstable. Therefore, the bids for site grading operations should be based upon the time of year that construction will proceed. It is expected that in wet conditions additional soils may need to be removed and/or other stabilization methods used, such as a coarse crushed -rock working mat, to develop a stable condition if silty subgrade soils are disturbed in the presence of excess moisture. The severity of construction disturbance will be dependent, in part, on the precautions that are taken by the contractor to protect the moisture- and disturbance -sensitive site soils. If overexcavation is necessary, it should be confirmed through continuous observation and testing by a representative of our firm. 9.6 Temporary and Permanent Cut Slopes In our opinion, stable construction slopes should be the responsibility of the contractor and should be determined during construction. For estimating purposes, however, we anticipate that temporary, unsupported cut slopes in the existing fill can be made at a maximum slope of 1.5H:1V or flatter. Temporary slopes in unsaturated advance outwash sediments and lodgement till may be planned at 1H:1V. As is typical with earthwork operations, some sloughing and raveling may occur, and cut slopes may have to be adjusted in the field. If ground water seepage is encountered in cut slopes, or if surface water is not routed away from temporary cut slope faces, flatter slopes will be required, In addition, WISHAIOSHA regulations should be followed at all times. Permanent cut and structural fill slopes that are not intended to be exposed to surface water should be designed at inclinations of 2H -.IV or flatter. All permanent cut or fill slopes should be compacted to at least 95 percent of the modified Proctor maximum dry density, as determined by ASTM:D 1557, and the slopes should be protected from erosion by sheet plastic until vegetation cover can be established during favorable weather. 9.7 Frozen Subgrades If earthwork takes place during freezing conditions, all exposed subgrades should be allowed to thaw and then be recompacted prior to placing subsequent lifts of structural fill or foundation components. Alternatively, the frozen material could be stripped from the subgrade to reveal unfrozen soil prior to placing subsequent lifts of fill or foundation components. The frozen soil should not be reused as structural fill until allowed to thaw and adjusted to the proper moisture content, which may not be possible during winter months. November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. BWGl1b - KE100287A2 - Project.020) 002MEMP Page 15 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washington Preliminary Design Recommendations 1 10.0 STRUCTURAL FILL All references to structural fill in this report refer to subgrade preparation, fill type and placement, and compaction of materials, as discussed in this section. If a percentage of compaction is specified under another section of this report, the value given in that section should be used. After stripping, planned excavation, and any required overexcavation have been performed to the satisfaction of the geotechnical engineer, the upper 12 inches of exposed ground in areas to receive fill should be recornpacted to 90 percent of the modified Proctor maximum density using ASTM:D 1557 as the standard. If the subgrade contains silty soils and too much moisture, adequate recompaction may be difficult or impossible to obtain and should probably not be attempted. In lieu of recompaction, the area to receive fill should be blanketed with washed rock or quarry spalls to act as a capillary break between the new fill and the wet subgrade. Where the exposed ground remains soft and further overexcavation is impractical, placement of an engineering stabilization fabric may be necessary to prevent contamination of the free -draining layer by silt migration from below. After recompaction of the exposed ground is tested and approved, or a free -draining rock course is laid, structural fill may be placed to attain desired grades. Structural fill is defined as non-organic soil, acceptable to the geotechnical engineer, placed in maximum 8 -inch loose lifts, with each lift being compacted to 95 percent of the modified Proctor maximum density using ASTM:D 1557 as the standard. Use of soils from the site in structural fill applications is acceptable if the material meets the project specifications for the intended use, and if specifically allowed by project specifications. In the case of roadway and utility trench filling, the backfill should be placed and compacted in accordance with current City of Renton codes and standards. The top of the compacted fill should extend horizontally outward a minimum distance of 3 feet beyond the locations of the roadway edges before sloping down at an angle of 211: IV. The contractor should note that any proposed fill soils must be evaluated by AESI prior to their use in fills. This would require that we have a sample of the material 72 hours in advance to perform a Proctor test and determine its field compaction standard. Soils in which the amount of fine-grained material (smaller than the No. 200 sieve) is greater than approximately 5 percent (measured on the minus No. 4 sieve size) should be considered moisture -sensitive. Use of moisture -sensitive soil in structural fills should be limited to favorable dry weather conditions, and is only permitted if specifically allowed by project plans and specifications. The native and existing fill soils present on-site contained significant amounts of silt and are considered highly moisture -sensitive. In addition, construction equipment traversing the site when the soils are wet can cause considerable disturbance. If fill is placed during wet weather November 18, 2010 ASSOCIATED EARTH SCIENCE'S, INC. awcnta - KP00287A2 . Prafec,s 2otoo?aMEW Page 16 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Repon Renton, Washington PrelimTq Desi n Recommendations or if proper compaction cannot be obtained, a select import material consisting of a clean, free - draining gravel and/or sand should be used. Free -draining fill consists of non-organic soil with the amount of fine-grained material limited to 5 percent by weight when measured on the minus No. 4 sieve fraction with at least 25 percent retained on the No. 4 sieve. A representative from our firm should inspect the stripped subgrade and be present during placement of structural fill to observe the work and perform a representative number of in-place density tests. In this way, the adequacy of the earthwork may be evaluated as filling progresses, and any problem areas may be corrected at that time. It is important to understand that taking random compaction tests on a part-time basis will not assure uniformity or acceptable performance of a fill. As such, we are available to aid the District in developing a suitable monitoring and testing program. 11.0 FOUNDATIONS Spread footings may be used for building support when founded directly on undisturbed lodgement till, advance outwash, or on structural fill placed above suitable native deposits, as previously discussed. We recommend that an allowable bearing pressure of 3,000 pounds per square foot (pso be used for design purposes, including both dead and live loads. An increase of one-third may be used for short-term wind or seismic loading. Higher foundation soil bearing pressures are possible for foundations supported entirely on undisturbed lodgement till and advance outwash, however, we do not expect that higher bearing pressures will be needed. If higher foundation soil bearing pressures are needed, we should be allowed to offer situation - specific recommendations . Perimeter footings should be buried at least 18 inches into the surrounding soil for frost protection. However, all footings must penetrate to the prescribed bearing stratum, and no footing should be founded in or above organic or loose soils. All footings should have a minimum width of 18 inches. It should be noted that the area bound by lines extending downward at 1H: IV from any footing must not intersect another footing or intersect a filled area that has not been compacted to at least 95 percent of ASTM:D 1557. In addition, a 1.5H: IV line extending down from any footing must not daylight because sloughing or raveling may eventually undermine the footing. Thus, footings should not be placed near the edge of steps or cuts in the bearing soils. Anticipated settlement of footings founded as described above should be on the order of 114 inch or less. However, disturbed soil not removed from footing excavations prior to footing placement could result in increased settlements. All footing areas should be inspected by AESI November I$, 2010 ASSOCIATED EARTH SCIENCES, INC, DWG/rb — KE100287A2 - Pr0)ec1s1201002871KE1WP page 17 Subsurface Exploration, Preliminary Geoiechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washin ron Preliminary Design Recommendations prior to placing concrete to verify that the design bearing capacity of the soils has been attained and that construction conforms to the recommendations contained in this report. Such inspections may be required by the governing municipality. Perimeter footing drains should be provided, as discussed under the "Drainage Considerations" section of this report. 11.1 Drainage Considerations Foundations should be provided with foundation drains. Drains should consist of rigid, perforated, polyvinyl chloride (PVC) pipe surrounded by washed pea gravel. The drains should be constructed with sufficient gradient to allow gravity discharge away from the proposed buildings. Roof and surface runoff should not discharge into the footing drain system, but should be handled by a separate, rigid, tightline drain. In planning, exterior grades adjacent to walls should be sloped downward away from the proposed structures to achieve surface drainage. 12.0 FLOOR SUPPORT Floor slabs can be supported on suitable native sediments, or on structural fill placed above suitable native sediments. Floor slabs should be cast atop a minimum of 4 inches of clean, washed, crushed rock or pea gravel to act as a capillary break. Areas of subgrade that are disturbed (Ioosened) during construction should be compacted to a non -yielding condition prior to placement of capillary break material. Floor slabs should also be protected from dampness by an impervious moisture barrier at least 10 mils thick. The moisture barrier should be placed between the capillary break material and the concrete slab. 13.0 FOUNDATION WALLS All backfill behind foundation walls or around foundation units should be placed as per our recommendations for structural fill and as described in this section of the report. Horizontally backfilled walls, which are free to yield laterally at least 0.1 percent of their height, may be designed using an equivalent fluid equal to 35 pounds per cubic foot (pcf). Fully restrained, horizontally backfilled, rigid walls that cannot yield should be designed for an equivalent fluid of 50 pcf. Walls with sloping backfill up to a maximum gradient of 2H:1V should be designed using an equivalent fluid of 55 pcf for yielding conditions or 75 pcf for fully restrained conditions. If parking areas are adjacent to walls, a surcharge equivalent to 2 feet of soil should be added to the wall height in determining lateral design forces. November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. BWG/rb - KE10028W - Projects!201002871KF14YP Page 18 Subsurface Exploration, Preliinhwry Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washington Prelimina Des!2n Recomnendations As required by the 2009 IBC, retaining wall design should include a seismic surcharge pressure in addition to the equivalent fluid pressures presented above. Considering the site soils and the recommended wall backfill materials, we recommend a seismic surcharge pressure of 511 and I0H psf, where H is the wall height in feet, for the "active" and "at -rest" loading conditions, respectively. The seismic surcharge should be modeled as a rectangular distribution with the resultant applied at the midpoint of the walls. The lateral pressures presented above are based on the conditions of a uniform backfill consisting of excavated on-site soils, or imported structural fill compacted to 90 percent of ASTM:D 1557. A higher degree of compaction is not recommended, as this will increase the pressure acting on the walls. A lower compaction may result in settlement of the slab -on -grade or other structures supported above the walls- Thus, the compaction level is critical and must be tested by our firm during placement. Surcharges from adjacent footings or heavy construction equipment must be added to the above values. Perimeter footing drains should be provided for all retaining walls, as discussed under the "Drainage Considerations" section of this report. It is imperative that proper drainage be provided so that hydrostatic pressures do not develop against the walls. This would involve installation of a minimum, 1 -foot -wide blanket drain to within I foot of finish grade for the full wall height using imported, washed gravel against the walls. 13.1 Passive Resistance and Friction Factors Lateral loads can be resisted by friction between the foundation and the natural glacial soils or supporting structural fill soils, and by passive earth pressure acting on the buried portions of the foundations- The foundations must be backfilled with structural fill and compacted to at least 95 percent of the maximum dry density to achieve the passive resistance provided below. We recommend the following allowable design parameters: • Passive equivalent fluid = 250 pcf • Coefficient of friction = 0.30 14.0 PAVEMENT RECOMMENDATIONS Pavement areas should be prepared in accordance with the "Site Preparation" section of this report. If the stripped native soil or existing fill pavement subgrade can be compacted to 95 percent of ASTM:D 1557 and is firm and unyielding, no additional overexcavation is November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. BWG/tb - KE100287A2 - Project 02010028 TKD WP Page 19 .subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration ,Feasibility Report Renton, Washington Preliminary Design Recommendations required.. Soft or yielding areas should be overexcavated to provide a suitable subgrade and backfilled with structural fill. The pavement sections included in this report section are for driveway and parking areas on- site, and are not applicable to right-of-way improvements. At this time, we are not aware of any planned right-of-way improvements, however, if any new paving of public streets is required, we should be allowed to offer situation -specific recommendations. The exposed ground should be recompacted to 95 percent of ASTM:D 1557. If required, structural fill may then be placed to achieve desired subbase grades. Upon completion of the recompaction and structural fill, a pavement section consisting of 2'/z inches of asphaltic concrete pavement (ACP) underlain by 4 inches of 1'/4 -inch crushed surfacing base course is the recommended minimum in areas of planned passenger car driving and parking. In heavy traffic areas, a minimum pavement section consisting of 3 inches of ACP underlain by 2 inches of '/e -inch crushed surfacing top course and 4 inches of 11/4 -inch crushed surfacing base course is recommended. The crushed rock courses must be compacted to 95 percent of the maximum density, as determined by ASTM:D 1557. All paving materials should meet gradation criteria contained in the current Washington State Department of Transportation (W SDOT) Standard Specifications. Depending on construction staging and desired performance, the crushed base course material may be substituted with asphalt treated base (ATB) beneath the final asphalt surfacing- The substitution of ATB should be as follows: 4 inches of crushed rock can be substituted with 3 inches of ATB, and 6 inches of crushed rock may be substituted with 4 inches of ATB. ATB should be placed over a native or structural fill subgrade compacted to a minimum of 95 percent relative density, and a 1'/2- to 2 -inch thickness of crushed rock to act as a working surface. If ATB is used for construction access and staging areas, some rutting and disturbance of the ATB surface should be expected. The general contractor should remove affected areas and replace them with properly compacted ATB prior to final surfacing, 15.0 PROJECT DESIGN AND CONSTRUCTION MONITORIN Our report is preliminary since project plans had not been developed at the time this report was written. We recommend that AESI perform a geotechnical review of the plans prior to final design completion. In this way, we- can confirm that our earthwork and foundation recommendations have been properly interpreted and implemented in the design. November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. fSWGlt6 - KK100287A2 - ProjecW20100?871KDWP Page 20 Subsurface Exploration, Preliminary Geotechnical Proposed Early Childhood Center Engineering, and Infiltration Feasibility Report Renton, Washington..___ Preliminary Design Recommendations We are also available to provide geotechnical engineering and monitoring services during construction. The integrity of the foundation system depends on proper site preparation and construction procedures. In addition, engineering decisions may have to be made in the field in the event that variations in subsurface conditions become apparent. Construction monitoring services are not part of this current scope of work. If these services are desired, please let us know, and we will prepare a cost proposal. We have enjoyed working with you on this study and are confident that these recommendations will aid in the successful completion of your project. If you should have any questions or require further assistance, please do not hesitate to call. Sincerely, ASSOCIATED EARTH SCIENCES, INC. Kirkland, Washington i truce W. Guenzler, L.E.G. Project Geologist Attachments: Figure 1: Vicinity Map Figure 2: Site and Exploration Plan Appendix: Exploration Logs . Laboratory Testing Results P MEP,R, -,-GNA1- Eta Kurt D. Merriman, P.E. Principal Engineer November 18, 2010 ASSOCIATED EARTH SCIENCES, INC. BWGIrb - KE107287A2 - PrajecW2G]002871KDWP Page 21 L C ryQ� O 4 REFERENCE: USGS TOPOI FEET 4 s z Associated Earth Sciences, Inc. VICINITY MAP FIGURE 1 EARLY CHILDHOOD CENTER DATE 11!10 RENTON, WASHINGTON PROJ. NG. KE100287A 0 0 lQ z W W LL z Z LU z Z uj n( -)o z C) C) r < X z W 0 ❑ z LIJ Z WW 0 W law: ;P--. dr3 pue OpS JqZooF 1 JQjUQ3pookjpjj4:)kjV3 j8too1 APPENDIX Classifications of soils in this report are based on visual field and/or laboratory observations, which include densityloonsistency, moisture condition, grain size, and plasticity estimates and should not be construed to imply field or laboratory testing unless presented herein. Visual -manual and/or laboratory classification methods of ASTM D-2467 and D-2488 were used as an identification guide for the Unified Sall Classification System. 4 Associated Earth Sciences, Inc. EXPLORATION LOG KEY FIGURE Al x � ; 0 ° o ° Well -graded gravel and Terms Describing Relative Density and Consistency GW gravel with sand, little to Density SPT"'blows/foot m° o no fines Very Loose 0 to 4 Coarse- e o t2 W 0 05 'L w o D 0P o 0'00o0 00000 GP Poorly -graded gravel Loose 4 to 10 Grained Soils Medium Dense 101030 Test Symbols v, , o 0 0 o and gravel with sand, Dense 30 to 50 � C:) ° d °0°0° o 0 0 o a little to no fines Very Dense ? 50 G = Grain Size N Z e Z n o o d o o a o p izM= Moisture Content Consistency SPT ihlowslfoot A = Atterbarg Limits � c v , silty gravel and silty Very Soft Oto 2 C=Chemical o 0 d GM gravel with sand Fine Soft 2 to 4 DD = D Density C O 1L ° ° Grained Soils Medium Stiff 410 8 K =Permeability ca B a e_ Stiff 8 to 15 Clayey gravel and Very Stitt 15 to 30 N a� Ni GC clayey gravel with sand Hard X30 o L > Component Definitions Descriptive Term Size Range and Sieve Number o Well -graded sand and m $ : Sw sand with gravel, little Boulders Larger than 12° 0u_ 1"u ; to to no fines Cobbles 3" to 12" g °'Lz`_ - Gravel 3° to No. 4 {4.75 mm) N a o > %n Poorly -graded sand Coarse Gravel 3" to 314° 0 uc U `� SP and sand with gravel, Fine Gravel 3/4" to No. 4 (4.75 mm) itl o little to no fines Sand No. 4 (4.75 mm) to No. 200 (0.075 mm) Z Coarse Sand No. 4 (4.75 mm) to No. 10 (2.00 mm) v In Silty sand and Medium Sand No. 10 (2-00 mm) to No. 40 ({1.425 mm) N SM silty sand with Fine Sand No. 40 (0.425 mm) to No. 200 (0.475 mm) U o a LL _• gravel Silt and Clay Smaller than No. 200 (0.075 mm) Ln (�) Estimated Percentage Moisture Content a �sc Clayey sand and -' clayey sand with gravel percentage bV Dry - Absence of moisture, Component Weight dusty, dry to the touch Trace <5 Slightly Moist- Perceptible Silt, sandy silt, gravelly silt, m ML sill with sand or ravel 9 Few 5 to 10 moisture Ln Little 15 to 25 Moist - Damp but no visible in u, L With Non -primary coarse water o `� Clay 01 low i0 mediurll consirtuenis: 7 15% Very Moist - Water visible but r' 6 w � plasticity', silty, sandy, or - Fines content between not free draining Z � = CL gravelly clay; lean clay 5% and 151a Wei - Visible free water, usually U) from below water table a rn —_ Organic clay or silt of low Symbols ar D — — oL plasticity Blows/6" or 0 _ _ Sampler portion of 6' Gement grout Q Type % surface seat Elastic sill, clayey silt, silt y y 2-0" OD Sampler Type �o My with micaceous or Split -Spoon A Description t+} seea oniie m diatomaceous fine sand or Sampler P 3.0' OD Split -Spoon Sampler :. Filter pack with o`o 0 N silt (SPT) 3.25' 00 Split -Spoon Ring Sampler t.7 ; blank casing ;section Clay of high plasticity, o ul�lly c - GH sandy or graveclay, Fat Sulk sample 3.0" OD Thin -Wall Tube Sampler Screened casing y E clay 3 with sand or gravel (including Shelby tube) or Hydrotip with filter pack EsEs — 0 Grab Sample End cap Organic clay or silt of Portion not recovered FL J ON medium to high It} IQ Percentage by dry weight )Depth of ground water plasticity {z} (SpT) Standard Penetration Test (ASTM D-1588) 1 ATD = At time of drilling (3) In General Accordance with t Static water level (dale) Peat, muck and other Z � w Q, p 1 highly organic soils Standard Practice f6r Description is1 Combined USCS symbols used for ro O and Identification of Soils (ASTM D-2488) tines between 5% and 15% Classifications of soils in this report are based on visual field and/or laboratory observations, which include densityloonsistency, moisture condition, grain size, and plasticity estimates and should not be construed to imply field or laboratory testing unless presented herein. Visual -manual and/or laboratory classification methods of ASTM D-2467 and D-2488 were used as an identification guide for the Unified Sall Classification System. 4 Associated Earth Sciences, Inc. EXPLORATION LOG KEY FIGURE Al x � ; 0 Associated Earth Sciences, Inc. Geologic & Monitoring Well Construction Lo r -..w 'Y l Project Number Well Number Sheet KE100287A EB -1 1 of 2 Project Name Early -Childhood Center Location Renton, WA _ Elevation (Top of Well Casing) N/A Surface Elevation (ft) Water Level Elevation Date StarVFinish r r r n,711.0 Drilling/Equipment Boretec/Track Hole Diameter (in) 7 inches Hammer Weight/Drop 140# / 3D"- "} > N N U Q t j WELL CONSTRUCTION T DESCRIPTION Flush monument Grass and topsoil. Concrete 2 to 0 feel , — — — — —LodgemenE Till -- Hand dug to 2 112 feet. f .� •, � ',, t0 18 inches recovery. Dense, very moist, mottled, gray and brown, ( 12 fine to coarse SAND, little silt, little fine gravel (SW -SM). No 1s stratification or structure. 7 5 Bentonite Chips 47 to 2 feet 8 18 inches recovery. Becomes medium dense, mottled brown. 12 1s Subtle gradational stratification. l , Advance Outwash 10 1 114 -inch PVC blank to 20 18 inches recove Verydense, verymoist, brown, fine to coarse surface 33 SAND, little to with silt, little fine gravel (SM). 3D 15 �r 20 18 inches recovery. Very dense, moist, brownish gray, fine SAND, 32 few silt. Subtle gradational stratification (SP). i 3B 20 % 35 ! 18 inches recovery. Grades with trace fine gravel. i% 34 29 I i- Z _ Weak seepage zone (perched) - 25 18 18 inches recovery. Very dense, moisl to wet (varies), gray, fine to /j 32 coarse SAND, few silt, interbedded with brown, fine SAND, with silt 50 (SP with SM) Weak seepage above brown, fine sand I i J 30 28 18 inches recovery Very dense, moist, gray, fine to rnedium SAND, trace few j 36 43 to silt (SP). i 35 % 28 As above, 35 2B i f Sampler Type (ST): i 2" OD Split Spoon Sampler (SPT) No Recovery M Moisture Logged bY� BVVG 3" OD Split Spoon Sampler (D & M) Ring Sample Water Level () Approved by: I ® Grab Sample Q Shelby Tube Sample 1 Water Level at time of drilling (ATD) Associated Earth Sciences, Inc. 'f Geologic & Monitorin Well Construction Lo Project Number Well Number Sheet KE100287A EB-1 2 of 2 Project Name Early Childhood Center Location Renton, WA Elevation (Top of Well Casing) NIA Surface Elevation (it) Water Level Elevation Date StarUFinish 11111110 11111110 _ Drilling/Equipment Boretec(TraGk _ Hole Diameter (in) 7 Irlches Hammer Weight/Drop 140# 130" 'Lip a m WELL CONSTRUCTION T DESCRIPTION 34 18 inches recovery. Trace fine gravel concentrated in zones 1-inch - 38 thick. :•r.' 45 z; e2: 45 28 18 inches recovery. Trace gravel becomes more evenly distributed. 35 as Colorado #10-20 60 to 47 feet 50 24 16 inches recovery. Grades without gravel. F 1 114-inch PVC screen 50 I 0.020-inch slot 60 to 50 feet 55 26 18 inches recovery as above 41 i 50 60 28 t8 inches recovery. Gradation as above. Wel! Tag #BBB 965 32 34 Boring terminated at 61 112 feet on 14191/10 65 70 s 75 7 J 7 } t Sampler Type (ST): m 2" OD Split Spoon Sampler (SPT) No Recovery M - Moisture Logged by: BWG m 3" OD Split Spoon Sampler (D & M) U Ring Sample Water Level O Approved by: N Grab Sample © Shelby Tube Sample 1 Water Level at time of drilling fATD) Associated Earth Sciences, Inc. Exploration Lo .�. Project Number Exploration Number Sheet KE100287A ES -2 I of 1 Project Name Early Childhood Center Ground Surface Elevation (ft) NIA Location Renton, WA _ Datum Driller/Equipment Bor BCITrack Date StartfFinish 1 1 !1 117 1 1 !1 1 11 fl Hammer WeightlDrop . 140# 1 30" Hole Diameter (in) 7 inr _ N E '2_5 m T .2 m Q N lD L 3 Rows/Foot rn a 5 DESCRIPTION U m 3 0 10 20 30 40 Grass and topsoil. Lodgement Till Hand dug to 2 feet. 1S inches recovery. Dense, moist, mottled, gray, fine to coarse SAND, 13 5-1 with silt, little fine gravel (SM). No stratification. T17 17 A34 5 18 inches recovery. Gradation as above. 5-2 13 22 48 i 27 10 10 inches recovery. Becoming gray and less mottled. 5-3 15 I i i I 35 I 501" 01 " Advance Outwash 15 18 inches recovery. Dense, moist, brownish gray, fine SAND, little fine 13, S-4 gravel and silt (SM). Gradational stratification. ! 16 f3 120 20 18 inches recovery, Very dense, moist, gray, fine SAND, few silt (SP). No ! 1 fe ISI S-5 stratification. ;25, ss --- —._...----------- 30'. 6p11arn of exploration boring 31 21 112 feet II 25 i I 30 ! I j I i 35 I II � I Sampler Type (ST): m 2" OD Split Spoon Sampler (SPT) 0 No Recovery M - Moisture Logged by: BWG 3" OD Split Spoon Sampler (D & M) ❑ Ring Sample SZ Water Level() Approved by: ® Grab Sample Q Shelby Tube Sample T Water Level at time of drilling (ATID) Associated Earth Sciences, Inc. Exploration La 1❑E . Project Number Exploration Number Sheet KE100287A EB -3 1 of 1 Project Name Early Childhood Center Ground Surface Elevation (ft) NIA Location Renton, WA _ Datum NIA Driller/Equipment Boretec/Track Date StartiFinish 11/1111() 111 1 11 f1 Hammer WeightlDrop 140# ! 30" — Mole Diameter (in) 7 irlhh PR N = E .0 2 -., (a N Blows/FootCL In ci D S E Trn m >, 0 (0 m Q m o m c DESCRIPTION 10 20 30 40 0 2 inches asphalt paving. - Lodgement Till 18 inches recovery. Very dense, moist, mottled, gray, fine to coarse 24 I S-1 i SAND, little flee gravel (SM). No stratification. 36 A72 36 5 i 18 inches recovery. Gradation as above. Becoming brown. 17 € I S-2 27 A L57 30 10 18 inches recovery. Very dense, moist, gray, fine to medium SAND, few 14 TS 3 fine gravel, trace silt (SP). No stratificalion. 26 64 3B (Weak seepage zone) 15 Very dense, very moist to wet, brown, tine SAND, with silt (SM)- No 17 S-4 stratification. 27 A L54 i 27 20Very dense, moist, gray, fine to medium SAND, trace silt and fine gravel 17 S-5 (SP), No stratification. 24 51 27 Bottom of exploration boring at 21 112 feel i 25 30 i 35 i i i i a ` Sampler Type (ST): s m 2" OD Split Spoon Sampler (SPT) F1 No Recovery M - Moisture Logged by: BWG i m F OD Split Spoon Sampler (D & M) E Ring Sample Water Level 0Approved by: 31 ® Grab Sample Q% Shelby Tube Sample 1 Water Level at time of drilling (ATD) c Associated Earth Sciences, Inc. Exploration Lo 0 _ �, n � Project Number Exploration Number Sheet KE100287A EB -4 1 of 1 Project Name Early.QlhildhoQa. Center Ground Surface Elevation (ft) N/A Location Renton. WA Daium N] A _ Driller/Equipment Boretec/Track Date Start/Finish 1 1119110 ] 111 1 i 1 D Hammer Weight/Drop 140# ! 30" Hole Diameter (in) s p- _ LO a 53— } m a) [g �+ Blows/Foot to a S E T 2 Ta � � m o � � DESCRIPTION� Ui � O 10 20 30 40 IE E 1 112 inches asphalt paving E Lodgement Till i 18 inches recovery. Very dense, moist, brown, fine to coarse SAND, with 22 S-1 silt, little fine to coarse gravel (SM). No stratification. 38 &b € 5D 5 S-2 2 inches recovery. Blowcount overstated- Gradation as above based on d 0H sot € recovery and cuttings. 1 b li S-3 18 inches recovery. Grades to with fine to coarse gravel (SM). i 12 32 72 40 4 i E -- — Advance Outwash 15 18 inches recovery. Very dense, moist, brown, fine SAND, few silt, trace 29 S-4 fine gravel [SP) Gradational stratification, primarily of gravel fraction. 40 A Lao 40 { I 20 S 5 I 18 Inches recovery. To 21 feet gradation as above. Below 21 feet dense, i 16 moist, gray, fine to medium SAND, trace silt (SP). 22 A47 25 Bottom of exploration baring at 21 112 feet 25 l I 30 i 35 I I I { I Sampler Type (ST): Q 2" OD Split Spoon Sampler (SPT) Q No Recovery M - Moisture Logged by: BWG 3" OD Split Spoon Sampler {D & M) U Ring Sample Q Water Level {) Approved by: ® Grab Sample 0 Shelby Tube Sample! Water Level at time of drilling (ATD) Associated F-artli Sciences, Inc. Exploration Lo r. id 0 Project Number Exploration Number Sheet KE100287A EB -5 1 of 1 Project Name Early Ch ldhood-Lentgr Ground Surface Elevation (ft) NIA Location Renton, WA Datum NIA Dril1er1Equipment Boretec/Track Date StartlFinish Hammer Weight)Drop 140# J 301, Hole Diameter (in) 7 inrhpG _ Q ¢a C �, N N Blows/Foot [n rn ,(D E, CL E o o T 0 (n DESCRIPTION O m m` t O 10 20 30 40 Grass and topsoil. Lodgement Till i r 14 inches recovery. Very dense, moist, mottled, brown, fine to coarse i 1 S-1 i SANE), with silt and fine to coarse gravel (SM). No stratification. 29 ez 33 r 5 18 inches recovery. Gradation as above. 116 5 2 30 AL72 42 - _Advance Outwash 1E) 18 inches recovery. Very dense, moist, brown, fine SAND, few silt (SP) 15 S 3 Significant gradational stratification. 26 55 29 I 15 18 inches recovery. Gradation as above, but without stratification. 13 i I TS•4 21 Aa 25 20 18 inches recovery. As above- 16 I � TS -5 - ._� _ W__ _._— —..v- ----------- - 23 s2 29 i Bolcom of exploration boring al 21 112 feet 25 F k 39 35 j i E i 1 7 Sampler Type (ST): m 2" OD Split Spoon Sampler (SPT) No Recovery M - Moisture Logged by: BVNG Y OD Split Spoon Sampler (D & M) Ring Sample Water Level 0 Approved by: ® Grab Sample Q Shelby Tube Sample Water Level at time of drilling (ATD) c Associated Earth Sciences, Inc Exploration Lo _ Project Number Exploration Number Sheet tr KE100287A E13-131 of 1 Project Name Early Childhood Center _. Ground Surface Elevation (ft) N/A Location Renton. WA Datum N/A Driller/E=quipment B reteclTrack Date Start/Finish 1111111) 1111 111n Hammer Weight(Drop 140# 130" Hole Diameter (in) 7 En+,haG cL m y > BIpWSII dot N S Tcoo cO DESCRIPTION 0 Q 10 20 30 40 Grass and topsoil I Lodgement Till I I 18 inches recovery. Dense, moist, mottled, brown, fine to coarse SAND, 13 S- with silt. little fine to coarse gravel (SM). No stratification. I la L30 17 5 18 inches recovery. Gradation as above. 11 S-2 21 A42 21 i i Advance Outwash — — — — - — — — — — — I` S-3 18 inches recovery. Dense, very moist, brown, fine SAND, few silt - silt 14 stringer 11 to 11.2 feet (SP with Mli 24 X43 19 5 18 inches recovery. Becomes very dense. Grades with trace fine gravel. k 1 22 l 3-4 Significant stratification (SP). 4) g7 ` 47 I 20 18 inches recovery. Gradation as above, but minimal stratification (SP). I ; I S.5 2B 4 54 , -- 3D Sottom of exploration boring a121 112 feel 25 �f I 30 1 i { i e i 35 E ; E Sampler Type (ST): © 2" OD Split Spoon Sampler (SPT) 0 No Recovery M - Moisture Logged by: BWG 3" OD Split Spoon Sampler (D & M) U Ring Sample 2 Water Level (} Approved by: ® Grab Sample a Shelby Tube Sample 1 Water Level at time of drilling {ATR) Associated Earth Sciences, Inc. Exploration Lo M 15-1-3Project � ' Number Exploration Number Sheet KE100287A EB -7 1 of 1 Project Name Ea1Iy Childhood ^ Ground Surface Elevation (ft) NIA Location Renton, WA_ -_ Datum NIA Driller/Equipment Boretec/Track DateStarl/Finish i111111f) 11111Ii() Hammer Weight/Drop 140# 134" Hole Diameter (in) 7 inches L p Q E �, J 3 Blows/Foot NS m T (a to CL E 2 m m in iT �' DESCRIPTION o " 10 20 30 40 ° _ Grass and topsoil, Fill --- 14 inches recovery. Loose, very moist, brawn, fine SAND, with silt, few 6 S-1 fine gravel (SM). 3 AL a 5 6 inches recovery. Gradation as above. 3 S-2 a Aq 5 Advance Outwash 10 18 inches recovery. Dense, moist, brown, fine SAND, few sift, trace fine g S-3 gravel (SP). Gradational stratification.14 3o 16 1$ 6 inches recovery. Disturbed cuttings resemble S-3. 10 I E E 5.4 23 AL53 30 20 No recovery. g S-5 i7 A34 17 Dense, moist, gray, fine SAND, few silt (SP). No stratification. B i S 6 — --- 14 ` 3 21 -- ----- -- --- 25 Bottom of exploration boring at 24 feet i 30 35 i Sampler Type (ST): m 2" OD Split Spoon Sampler (SPT) 0 No Recovery M • Moisture Logged by_ BWG 3" OD Split Spoon Sampler (D & M) 1] Ring Sample 7- Water Level() Approved by: ® Grab Sample 0 Shelby Tube Sample -T Water Level at time of drilling (ATD) GRAIN SIZE ANALYSIS - MECHANICAL Date 11/1512010 Project Early Childhood Center Tested By MS Location Onsite % Passing Minimum Maximum Wt. of moisture wet sample + Tai 284.12 Wt. of moisture dr Sample + Tare 268.47 Wt. of Tare 76.1 99.38 Wt. of moisture Dry Sample 169.09 Moisture % 9% 100.00 2 50.8 Project No. KE100287A EBIEP NoDepth EB -1 S-5 120' Total Sample Tare Total Sample wt + tare Total Sample Wt Soil Description Sand few silt trace gravel 395.02 .qnacificatirnrn Raniiirpmanfc Sieve No. Diam. mm Wt. Retained % Retained % Passing Minimum Maximum 3.5 90 00.00 3 76.1 100.00 2.5 64 100.00 2 50.8 100.00 1.5 38.1 100.00 1 25.4 100.04 314 19 100.00 318 9.51 2.12 0.60 99.40 #4 4.76 6.86 1.94 98.06 #8 2.38 16.5 4.68 95.32 P10 2 20.98 595 94.05 #20 0.85 60.75 17.22 82.78 #40 0.42 170.14 48.23 51.77 #60 0.25 252.44 71.58 28.44 4100 0.149 288.98 81.92 18.08 #200 0.0?4 303.51 86.03 _ 13.97 US STANDARD SIEVE NOS. NO 4 NO 1 G NO 40 NO 200 10 1 0 1 Grain Size, mm ASS OCIA TED EARTH SCIENCES, INC. 911 5th Ave , Suite 100 Kirkland, VVA 98033 425-827-7701 FAX 425-827-5e24 0.01 GRAIN SIZE ANALYSIS - MECHANICAL Date .11115/2010 Project Early Childhood Center Project No. KE100287A SoH Description Sand few silt trace gravel Tested By MS Location Onsite EBIEP No EB -4 S-4 Depth Wt. of moisture wet sample + Tai 350.84 Total Sample Tare 518.65 Wt. of moisture dry Sample + Tare 328.44 Total Sample Wt + tare 2.5 Wt, of Tare 97-74 Total Sample Wt 4 4 Wt. of moisture Dry Sample 230.7 Total Sample Dry Wt 50.8 Moisture % 10% - 100.00 I Cnor�fVr�Y�nn Aonn�.a�,nni� I Sieve No, Dlam. mm Wt. Retained % Retained % Passin Minimum Maximum 3.5 90 100.00 3 76.1 100.00 2.5 64 100.00 2 50.8 - 100.00 1,5 38.1 100.00 1 25.4 100.00 314 19 - 100.00 318 9.51 5.05 1.15 96.85 #4 4.76 1568 3,58 96.42 #8 2.38 31.9 7.28 92.72 #10 2 38.06 8.69 91.31 #20 0.85 79.73 18,21 81.79 #40 0.42 185.25 42.30 57.70 #60 0.25 304.35 69.50 30.50 #100 0.149 357.62 81,67 18.33 #200 0.074 1 378.18 86.36 13.64 10a US STANDARD SIEVE NOS. 3.. 3/4" NO 4 NO 16 NO 40 NO 200 10 1 Grain Size, mm 0.1 ASSOCIATED EARTH SCIENCES, INC. 911 51h Ave , Suile 100 KirHand, WA 96033 425.627-7701 FAX 425-627-5424 0,01 Associated Earth Sciences, Inc. M 1E %I W] W Gelwra6n over 2,5'yeaff a f &Mre August 17, 2011 Project No. KE100287A Renton School District c/o Greene Gasaway, PLLC P.O. Box 4158 Federal Way, Washington 98063 Attention: Mr. Calvin Gasaway Subject: Summary of Additional Borings to Delineate Existing Fill Early Childhood Learning Center 1800 Index Avenue NE Renton, Washington Dear Mr- Gasaway; This letter summarizes supplementary exploration borings to delineate existing fill on the northeast portion of the site. This work is supplementary to our earlier work on-site, which has included completion of subsurface explorations and preparation of a geotechnical engineering report dated November 18, 2010, This Ietter should be considered supplementary to our earlier geotechnical engineering report. BACKGROUND Our earlier subsurface exploration program on-site identified subsurface conditions generally characterized by lodgement till that was typically on the order of 8 to 14 feet thick, underlain by advance outwash sediments that would be used as the storm water receptor. One boring, EB -7, identified existing fill to a depth of approximately 7 feet above the native sediments on the northeast part of the site. Review of available historic information showed that the northeast portion of the site had previously been occupied by houses that were demolished. We speculated that existing fill observed at EB -7 may have been related to the previous houses in this area. We proposed to complete additional subsurface explorations in the vicinity of EB -7 to further explore the limits of the existing fill. This report summarizes the results of those additional exploration borings - ADDITIONAL SUBSURFACE EXPLORATIONS We completed a total of eight additional subsurface exploration borings. Attached with this letter are a "Vicinity Map," Figure 1, showing the site location; a "Site and Exploration Plan," Figure 2, which depicts all of the explorations completed on-site to date; and "Enlarged Site and Kirkland Everett Tacoma 425-827-7701 425-259-0522 253-722-2992 Early Childhood Learning Center Renton, Washington Summary of Additional Borings to Delineate Existing Fill Exploration Plan," Figure 3, which depicts explorations in the vicinity of EB -7 at a larger scale. Figure 3 also displays the depth of observed existing fill at each exploration boring location. In general, the additional exploration borings identified an area of existing fill that extends north and south of EB -7. The existing fill appears to extend beyond the limits of the previously existing houses in this area, and therefore may not be directly related to the previous residential development. In general, the existing fill is of similar gradation and appearance as the native site soils, but is looser. Our exploration borings did not encounter substantial quantities of deleterious materials such as organic material or demolition waste in the existing fill. Detailed descriptions of the conditions observed in each exploration boring are included on the interpretive subsurface exploration logs included with this letter. CONCLUSIONS AND RECOMMENDATIONS We do not recommend that new foundations be constructed above existing fill. We recommend that below foundation elements the existing fill be removed, and the planned foundation grade restored, as needed, with structural fill as defined in our earlier geotechnical engineering report. New foundations can then be constructed with an allowable foundation soil bearing pressure of 3,000 pounds per square foot (psf) above the new structural fill. If desired, slab -on -grade floors may be underlain by existing fill capped with 2 feet of new structural fill. If -this approach is selected, we recommend that the existing fill be excavated as needed to allow placement of at least 2 feet of new structural fill below the planned floor and capillary break materials. The resulting surface should be proof -rolled and compacted to 95% of the modified Proctor maximum dry density. Any soft, yielding, organic, or otherwise unsuitable soils should receive additional preparation as dictated by field conditions at the time of construction. Following subgrade preparation, 2 feet of new structural fill should be placed. This approach will result in floor slabs constructed above existing fill. This approach will result in cost savings as compared to removing all of the existing fill as previously described for areas below new foundations, and will also result in risk of some additional floor slab settlement if undetected unsuitable fill remains below the floors. This risk is difficult to quantify, and settlement of floor slabs in the finished building could be challenging to repair. If the risks of larger than normal floor slab settlement are not acceptable, all existing fill should be removed from below floor slabs. Below paving, we recommend completing stripping and excavation to paving subgrade elevation. The resulting surface should be proof -rolled and compacted to 95% of the modified Proctor maximum dry density. Any soft, yielding, or organic areas should receive additional preparation, as dictated by field conditions at the time of construction. The paving sections recommended in our comprehensive geotechnical engineering report can then be constructed as planned. This approach will result in considerable cost savings as compared to removing all of the existing fill below paving, but will result in somewhat higher risks of paving settlement. Paving areas are generally easier and less expensive to repair than previously described for floor slabs. If the August 17, 2011 ASSOCIATED EARTH SCIENCES, INC. KDMMt - KE100187A5 - Projects 1201002871KEW Page 2 Early Childhood Learing Center Renton, Washbn tali Sununayy of Additional Borings to Delineate Existinf Fill potential for larger than normal total and differential settlement of paving areas is unacceptable, all existing fill should be removed from below planned paving. Below grade sensitive buried utilities, such as gravity drains, we recommend that at least 1 foot of the existing fill be removed. The subgrade should be proof -rolled and compacted to 95 % of the modified Proctor maximum dry density. Any soft, yielding, or organic areas should receive additional preparation as dictated by field conditions at the time of construction. One foot of new structural fill should be placed to reach planned grade for pipe bedding materials. This approach will result in some additional risk of settlement as compared to removal of all of the existing fill. It may be appropriate to increase drainage gradients of utilities constructed above existing fills such that some settlement can be tolerated while still maintaining planned flow directions and positive gradients in the pipes, CLOSURE We appreciate the opportunity to submit this proposal and hope that it meets your needs. If you have any questions, please do not hesitate to call. Sincerely, ASSOCIATED EARTH SCIENCES, INC. Kirkland, Washington 4 Kurt D. Merriman, P.E. Principal Engineer Attachments: Figure 1 - Vicinity Map Figure 2 - Site and Exploration Plan Figure 3 - Enlarged Site and Exploration Plan Subsurface Exploration Logs August 17, 2011 ASSOCIATED EARTH SCIENCES, INC. KDMIrb - KE100287A5 - ProjecW201002871KE1WP Page 3 8 REFERENCE: USGS TOPO! FEET Associated Earth Sciences, Inc. VICINITY MAP FIGURE 1 r; r----1 EARLY CHILDHOOD CENTER DATE 7111 RENTON, WASHINGTON PROD. Na. €tE100287A 100287 Eery Chik CD R. flip VJ tD ME -1 cn —i mm Z m z q 0 m z X r u >0 0 mo X > 1-1 Z 0 m z A Center i 100287 She and Expir 7-11.cdr 70 m m m M 2.1 m .-A -63> -n -.0 5<0 VE r z 0 Z F- CQQi lil LLI 11 V Q 'O V ill Q z LL it L1] LL w LY W 0 � F Qo N b LL Q w Y i /// O �j H 0 ill / y O f j :NUE '34FAs 1 W 0 1 W o 7 r Zo SC ; i\Lu Win m ca LU p W G \ co m W bo w . \ r w4 w O A �¢ z L7 u1 \ \�, ]cis O?r IR > m� o wo w a 03 \� • "' O z O wp0Ct z - , MOCLa v C O LL aw�J \ \H`ys ¢O LL lf� SLS -10', { 75.E l3 y Z F- CQQi lil LLI 11 V Q 'O V ill Q z LL it L1] LL w LY z CL. 0 Qw cO Q_ Z W D O Q a=a LJJ c� rrf-n w VJ LL} F^W li Q w C/l V Ln W 1po'J7! lldx3 pue "S 29ZOOL %AWOO paOLP1140 fiM3 G$ZOOL W 0 � F Qo N b LL Q w Y O 'z O z CL. 0 Qw cO Q_ Z W D O Q a=a LJJ c� rrf-n w VJ LL} F^W li Q w C/l V Ln W 1po'J7! lldx3 pue "S 29ZOOL %AWOO paOLP1140 fiM3 G$ZOOL Associaied Eat Lh Sciences, Inc. i Geologic & Monitoring Well Construction Log Project Number 1NefI Number Sheet KE100287A ES -1 I 1 of 2 -- I Prnj .ct Name Eari Childhood Center L6c2tion Renton. UVA i Elevation (Top of Wed Casing) N/A Surface Elevation (fl) I r Lever Ele i (Y1 Date Start/Finlsh 1 1(1 111 DrTi Ti rillingi[rll ipment Bo etec�Track _ Hole Diameter (in) 7 t'nches I -la rner 1A1c;chUDrop m a I — G y r Q Q E E WELL CONSTRUCTION I ' DESCRIPTION 10 -35 �l r_4 Flush mon.,,mert Concrete 2 lc 4 feet ! L'ernfonile chips 47 to 2 fee' 1 114 -inch PVC blank to surface 20 32 38 35 34 29 1© 32 50 2 35 43 28 35 2s Grass and lnpsoil _ _ Lodgement Tr1� Hand dug to 2 1;2 feel - 18 inches recovery. Dense, very mold, mottled, gray and brown fine to coarse SAND, HIle silt, lillle fine gravel (SW -SM) No 5tralificalion or structure 18 inches recovery Becomes medium dense, mrlltied brawn Suhlie grariational slrallfiralion Advance Qutwash :8 inches recovery. Very do-nsc, very iliolsl, Lrown, fine to coal. -,C SAND, little 13 wkh sill. lillle fine gravel (Std? 18 inches recovery Very dense, moist, brownish gray. fine SAI'fD. few sill Subtle gradational slratifnalion (SP) 18 inches recovery G-ades with trace tine grave! Weak seepage zone (perched) 18 inches recovery Very dense, moist to wet (varies), gray, fine fo coarse SAND, few silt, interbedded w;th brown, fine SAND, wits, silt (SP with SM). Weak seepage abrve brown, fine sand 18 inches recovery Very dense, moist, gray, fine to medium SAND. trace to few silt tSF'). As above. Sampler Type (ST): 2" OD Split Spoon Sampler ISPT) � No Recovery M -Moisture Logged by: 5%NG 3" OC Split Spoon Sampler (D & M) ® Ring Sample Water Levei {) Approved by: Grah Sampie Q Shelby Tube Sampte T Waler Level of time of drilling (ATD) Associated Earth Sciences, Inc. _ Geologic & Monitoring Well Construction Lo r.--:--� Project Number UVell Number Sheer u �`r ELI SCE 100207A EB -1 2 of 2 Piojeci name Early Childhood Center Location Renton. VVA Elevation (Tars of Well Casing) NIA Surface Elevation (`1) Water Level Elevation Date StarllFinish 1 111 M0 i 11111110 Driiiing!Equipnlent Boretec/Track _ Hole Diameter din) 7 Indies Hammer WeighUDrop 140# 130" > c o Q N L -O a .J 7i R, E N VVELL CONSTRUCTION T m 0 to DESCRIPTION 34 18 inches recovery Trace fine gravel cnnrentraled in zones 1 -inch jII 38 !hick. 45 50 2a 18 inches recovery. Trane grave! becomes more evenly distrihuled 35 36 Colorado #10-20 60 to 47 feet 24 18 inches recovery Grades without gravel 4C 114 -inch PVC screen 50 0.022 -inch slnl 50 to 50 feet -- 26 18 inches recovery as ahnve 41 5� 60 - I 1 28 � 18 inches *ecovery Gradation as above Well Tag 431313 955 32--- 34 Rnrinn terminated at G1 112 feet on i 1711!10 f 55 70 a�75 Sampler Type (ST): 2" 00 Split Spoon Sampler (SPT) No Recovery M Moisture Logged by: BWG 3" OD Split Spoon Sampler (D & M) Ring Sample Q Water levet 0 Approved by: Grab Sample Shelby Tube Sample Water Level al lime of drilling (ATO) Associafed Ell th Sciences, 111c. Exploration Log � Project Number Exploration Number Sheet � 1 E--;::] u KE100287A � EB -2 1 of 1 F'lotecl Name Early Childhood Center Ground Surface Elevation (ft) NIA I.ocallor Renton VVA — Datum -UiA Dnlien'EquipmcM BoreteclTrack Date Starl/Finish1111ILI0 1Ito t 1Il ilio Hammer WeiahVDrop 140#,o 30" — — Hole Diameter (in} 7 inrL a v m J U BlOWSIFCIOt r E G C r ! J 0 DESCRIPTION 10 20 30 4D ° -- grass and topsoil. -- Lodgement Till Hand dug to 2 feet 118'nches recovery. Dense, moist, rlotlied, gray, fine to coarse SAND 3 S with sill, little rine gravel (SM)- No stratification. 17 Ilia - J I-- 'c8 inches recovery Gradation as above 1s I �I �d9 r S-? .22 i 127 i I 10 inches recovery neccming gray olid less mottled S 1 ! 161 2 11 Aso] nr I Advance QlrtWaSh i I j ' 18 in7lies recovery Dense, moist, brownish gray, fine SAND, lithe fine 13 L S--. gravel and sit: "SIA) Gradational stratifirallon 16 A'L ,27 i 2 IT!`8 Inches recovery Very dense, moist, gray, fine SAND, few sill (5P) No S 7 I 18 , I ! slratlfic:atlon `-'-� �I701;OIr: 25 361 ss ng cL'Ei 4f ef:plpfaIlpn boring l 21 112 f I I I � I i i I I I I I ' I i I J �l I II I I I I I I II Sampler Type (ST): F 2" OD Split Spoon Sampler (SPT) No Recovery M - Moisture Logged by: BVJG 3" OD Split Spoon Sanip#er (D S M) ® R+rg Sample Water Level ,) Approved hy: Q Grab Sample Shelby Tube Sample T Water Level at time of drilling {A. D) Associated Eaith Sciences, i Exploration Low r 1., . 1'- J _' Project Number Exploration Number Sheet KE100287A EB 3 1 of 1 I'roiecl Name Early Childhood Center Ground Surface Elevation (n) N/A Locafion Renton–WA, Datum NIA Grifle rlEquipmenI Bor tecJrack Date StarllFinish1 ill 11m.1 1/1 (1 f} Hammer WeighllDrop 140# 130" Hole Diameter (in) 7 inr�e5 cw o z_, QJ BlowslFoot LI r ` 5 E 9 E a Q DESCRIPTION " fd m 10 20 30 10 io L '--- 2 inches asphalt paving�— Lodgement Till 18 inches recovery Very dense, moist, mottled, gray, fine to coarse j 24 S 1 SAND, Mir, fine grave) (SM). No stratification 36 72 36 5 18 inches recovery Gradation as above Becoming brown. 17 S-2 27 57 30 �I I – 10 18 inches recovery. Very dense, moist, gray, fine to medium SANG, few a l S 3 fine gravel, trace sill (SP). Na Stratification 26 G� 38jj k i i �I (Weak seepage zone) I }� Very dense, very moist to wet, brown, fine SAND, with silt (SM) No 17 S-4 stralificalion 27 54 J- 27 f 2t) Very dense, moist, gray, fine to medium SAND, trace silt and fine gravel 17 I S-5 I- (SP) No simiJication — - -- . . _ . _ - . .. . . --'-------,...... ... 24 27 51 9oltom of exploration l at 21 112 feet - 25 � I -30 i I - 35 i I I I w- a U I I E — I i Sampler Type (ST). + i 2" OD Split Spoon Sampler (SPT) No Recovery M - Moisture Logged by: BWG o m 3" OD Split Spoon Sampler (D & M) ® Ring Sample Water Level {) Approved by: LL Grab Sample L2 Shelby Tube Sample Water Level at time of drilling (ATD) Associated Eart'fi Sciences, Inc.. Exploration _ i — - �! PrnjeG Number Exploraiion Number Sheol KE100287A E13-4 j 1 of 1 Piofect flame Early Childhood Center F Ground Surface Elevation (ft; N/A Locatio» Renton WA Uiile;fFquipment Boretec/Track_ Date StarUFinlsh t_71� �,",0 1111 -IL t — tool ne WN-iyl UDrnn 1.41 1 30" . _ Hi Diameier (in} V p l p N E lD — II N L v BIDbVS.''FGG c a SE E>,� E a $o Ti in L co .o to — DESCRIPTION' 30 40 ° 1?2 inches asphalt paving �— Lodgement Till ... _. i 18 incl recovery Very dense, moist, brown, fine to coarse SAND, avi.h sill, iitlle fine to coarse gravel (SPS). No stratlficatinm 2 inches recovery Blnwcew t oderst-cl•=d Grarlalion as above h�setf on recnvery and mAtings 1 S intoes recovery Grades to with fine to rr,7rse gravel {SM}. Advance Outwash 18 incises recovery. Very dense, moist, brown, fine SAND, few s',I!, trace fine gravei {SIS) Gradalional SlratVficatign• primari:y of grape: fraction 18 inches recovery To 21 feel gradation as above. Below 21 feet cense, moist, gray, fine to medium SAND, Irate silt {SP)- Bnitom D expioratiD boring at 21 1J2 feet 3B i 12 ao I i i :Q 4D 1(3 22 25 l u I o I it _Sampler Type (5]-) a m 2" OD Split Spi Sampler (SFT) a No Recovery M Mcisture 1 3" OD 5plil Spann Sampler (b & M)® Rina Sample Waler Level i v Grab Sample Z Shelby Tube Sample Water Level a1 time of drilling (ATD) Logged by: 3WG Approved by: Associ,atecl Earth Sciences, Inc, Exploration Lo 177771 -L,- Project Number Exploration Number Sheer KE100287A EB -5 I of 1 Prajcc� Ai7mp. Early Childhood Center- Ground Surface Elevation (ft) N/A x:dtinn Renton WA _ Datum NIA _ DriJerlEquipment BoreteclTrack DateStarUFlnish 11/11/1011411111 Hal,}mer ~NeighUDrop 140# 130" Hole Diameter (in) 7 inr u N U D c .2 w CL m W 'U -i (D N BtowslFoot us J) 'Ta 5 E `2>, `v T N C� U7 DESCRIPTON o �� ca cn 10 20 30 40 Grass and topsoil, -- Lodgement Till 14 inches recovery Very dense, moist, mcslled, brown, fine to coarse 11 t S 1 SAND, with silt and fine to coarse gravel (SM). No stratification 29 �G2 f 33 S 2 i 18 inches recnvery. Gmdalion as above 16 30 I 4-r F- 42 i i I Advance Outwash 1b 1 S inches recovery Very dense, moist, brawn, fine SAND, few silt {SP). 15 S"3 Signihcanl cjradatlonal strafification 26 5 I ! 20 I { 15 18 inches recovery. Gradation as alcove, but without 5lralification. 13 S-4 21! 2 5 j` C k I - 20 IrI IS inrhes recovery. As above 15 S-5 23 52 29 8oliom of explofation Ucring al 21 1/2 feet 25 i i i I U0 i V 35 > 'r II I i Sampler Type (ST): m 2" OD Split Spoon Sampler (SPT) No Recovery M - Moisture Logged by: 3vYG 3" OD Split Spoon Sampler (D & M) D Ring Sample 2 Water Level (] Approved by; Grab Sample Shelby Tube Sample Water Level at time of drilling (ATD) Associated ): idi Science's, Inc, Exploration Lo El F-:1 El . „ - , :. Projerl Number Exploralion IJurnber Shoe! 1 KKE100287A E8-13 1 of' Project Nalne Earlv Clilldhood Cerltef Ground Surface Elevallor.. (ft) NIA _ Location Rentcn, VVA Datum N/A D611errEquipncnl SoreteclTrack Date Sfart/Finish 1 ; ; 1 1 / 1 fi 1�1 I 1 -I-LL— Hammef VdeigYtl 140# 1 30" 1nole Diameter (in} 7 i ,r.hF,.S aCL .� CL ` r BlowslFoot CL SII >m 7(no u oa T DESCRIPTION " 1p20 20 40 -_,-------------...- -._--__._.__- -IT I L.odgementsill ��I-- 18 inches recovery. Dense, moist, moliied, b. -own, fine to coarse SAND. 13 S 1 wilh silt, little fine to coarse grave, {SM) ND stralificaltion. 3 3(1 it � Ind, 7 I 18 inches recovery_ Gradalinn as above 1' S--2 71' i �y2 21 i 0 I 'll Advance Outwash few S-3118 inches recovery Dense, very n-,oist, brown, fine SAND, silt - Sia 5trinGer 11 l0 11 2 feet fSP with P01) 14 211 a '13 1JI i , - 15 S-4 18 inches recovery Becomes very dense Grades w& bare line gravel ;22 i L17 I Significant stratification (SP) A& I i I 18 inches recovery Gradation as above, but minimal slratificaiion (SP}. 18I1 1 S'S I 2 A. Bo11om at expiorallon al 21 J2 leel I I - 25 II I I s i - 30 i i - 35 i f I ' Sampler Type (ST); --- 2" OD Spill Snoon Sampler (SPT) No Recovery M - Moisture Logged by: BVdG 3" DD SAO Spoon Sampler ,D & M) ® Ring Sample n Water Level (} Approved by Grab Sample Shelby Tube Sample $ water Level a1 Sime of drilling (ATp) A,.socinted E.art11 Sciences, Inc. Exploration Lo Prnject Number _ Exploration Number Sheet KE100287A EB-7 1 of 1 projecl Name Early Childhood Center Ground Surface Elevation (fl) Location Renton, VVA Datum NIA _ DriilerlEquipinent Boreftec/Track F DateStart/Finish 11/111i1111/111j_r� Hammer Weight/Drop 140# 1 30" Hole Diameter (in) 7 inrhe,;--._______ -�� v � � _5 7�i BlowslFoot a S E E o u T DESCRIPTION " 10 20 30 40 Grass and iopsoLl Fill 14: inches recovery. Loose, very moist, brown, line SAND, with sill, few e S-1 fine gravel (SM)- 3 ,t o 8 inches rcrovery. Gradation as above 3 I i 52 i � 4 5 5 i Advance Outwash - 10 18 inches recovery- Dense, moist, brown, fine SAND, few silt. Irace fine g I S-3 gravel (SP) Gradational stratification 14 30 I 16 11 I� 1 - " 6 inches recovery. Disturbed cuttings resemble S-3 10 S-a 23 53 30 Na recovery- a TS-5 17 3C 17 Dense, moist, gray, fine SAND, few sill (SP) No s,T@hr1catian i y S-5 to a3 21 25 1 Bottom of exploration bnnrng at 24 feet I I i I 30 1 - 35 U f n I Sampler Type (ST); o W 2" OD Splil Spoon Sampler (SPT) 0 No Recovery Ivl - Moisture Logtoed by: BVVG m 3" OD Split Spoon Sampler (D & M! 11 Ring Sample Q water Level O Approved by: s v Grab Sample Q Shelby Tube Sample T Water Level at time of drilling (ATD) w Assnci:lted Eartil Sciences, Inr. Exploration Lo Project Number Exploration Number Sheet i;' + KE100287A EB -8 1 of 1 Project Name Early Childhood Center Ground Surface Elevation (ft) NIA Location Renton WA Datum NIA — DrWerlEquipment BoreteclTrack Dale StartlPinish 7124111 7124111 _ Hammer Weight/Drop 140# 130" Hole Diameter (in) a _� J J � Blows/Foot 'i S E Imn T C7 [7 a o 3 co DESCRIPTION ib ?: to 20 30 ao .c a Grass and topsoil -5 inches. Lodgement Till Hand dug 1 112 feet. Medium dense, very moist, flight brown, tine SAND, with silt, little rine gravel (SM). 10 S-1 Very dense, moist, light brown with mottling, 6ne to medium SAND, wilh 14 sa silt, little fine to caarse graven (SM); no strauficafkon 41 S 2 Very dense, moist, gray, fine to coarse SAND, with silt, few fine to coarse 20 gravel (SM); no stratification 41 501�j„ Dl Bolcom of exploration boring al 6 112 feet 10 I 15 I j V 20 I I i li 25 i I v I 30 l i f 35 I I i I Sampler Type (ST): m 2" do Split Spoon Sampler (SPT) No Recovery M - Moisture Logged by: PWG IE 3" OD Split Spoon Sampler (D & M) Ring Sampie -7 Water Level() Approved by: 12 Grab Sample Z Shelby Tube Sample _L_ water Level at time of drilling (ATD) :lssncialril 1=,11-tir 5cicnirs, lnc• Ex loration Lo Project Number Exploration Number Sheet KE100287A EB -9 1 of 1 Project Name Early Childhood Center Ground Surface Elevation (ft) NIA Location Renton, WA Datum J" - _ Driller/Equipment Boretec/Track Date StarUfinish 7124111 712411 1 Hammer WeightlDrop 140# 130" Hole Diameter (in) C— c m Nl6 -� Blows/Foot 0 in E m T 6E m o Uw T rn �v' DESCRIPTION o `°m 1 10 20 30 40 s 0 Grass and topsoil g S-1 Lodgement Till 10 19 Medium dense, moist, light brown, fine SAND, with silt, few fine gravel 9 (SM); no stratification. Dense, moist, brown, fine to medium SAND, with silt (SM). 15 S-219 49 30 5 dense, moist, gray, fine to coarse SAND, with silt, little tine gravel 25 TVery S 3 (SM); no stratification Sample smeared with material from above. 381 6501 " Advance Out wash Cuttings become gray, with Less silt. 10 Very dense, moist, gray, fine to medium SAND, few to little silt (varies), few 15 S-4 fine gravel (SP -SW); gradational stratification. 24 53 ........ ..... — .,_.. --- - ......-... 29 Bottom of exploralion boring at 11 1/2 feet i 15 20 25 30 E 35 r i Sampler Type (ST): m 2" OD Split Spoon Sampler (SPF) No Recovery M - Moisture Logged by, BWG g m Y OD Split Spoon Sampler (D & M) Ring Sample SL Water Level (} Approved by: ® Grab Sample Q Shelby Tube Sample t water Level at time of drilling (ATD) As.. Baled I_,,rll, Sciences, ll,c. Exploration LogProject Number dumber Exploration Number Sheet I= i I t* -4,9 KE100287A EB -10 1 of 1 Project Name Early Childhood Center Ground Surface Elevation (ft) N/A Location Renton WA Datum NIA DrillerlEquipmenl Boretec/Track Date StartlFinish 7194111 ]124111_ __ _ Hammer WeighVDrop 140# 130" Hole Diameter (in) T ; °— ° w ° m� �, Blows/Foot a S E 2 E-° !6_ T M 0 Lo DESCRIPTION @m U 3: 10 20 30 40 O Grass and topsoil.5 - - _ 7 ♦12 5-i Fi1i Medium dense, moist, light brown, fine SAND, little to with silt, trace coarse k S sandlfine gravel, trace organic (topsoil) (SM) S-2 8 7 19 12 5 Loose, moist, light brown, fine SAND, with silt, few fine gravellcoarse sand, 3 S-3 trace organic (topsoil) (SM). 2 9 7 Advance outwash 10 Dense, moist, brown, fine SAND, few silt, trace fine gravellcoarse sand 9. A2 S•4 (SP); no stratification. 13 i 13 15 Becomes very moist, with thin (114 -inch) silty stringers (SP).. 12 r2 S-5 2 i 13 1 Bottom of exploration boring a1 16 U2 feet 20 i 25 I 30 35 0 a m a' a C7 Sampler Type (ST): o m 2" OD Split Spoon Sampier (SPT) No Recovery M - Moisture Logged by: B1NG o m 3" OD Split Spoon Sampler (D & M) Ring Sample ZZ Water Level O Approved by: N ® Grab Sample ® Shelby Tube Sample L Water Level at time of drilling (ATD) W Associated Earth 5cicnrns, Inc. Exploration Loci —�i �` ff Project Number Exploration Number Sheet ` KE100287A EB -11 1 of 1 Project Name Early Childhood Center, _ Ground Surface Elevation (ft) _N/A Location Renton, WA Datum NIA - Driller/Equipment Boretec/Track Date StarUFinish 7194111 7194111 Hammer Weight/Drop 140# / 30" Hole Diameter (in) _ LJ L P C O �, m zN i - Slows/Foot N m S Ea T C? 67 m p M " �' DESCRIPTION m 10 20 30 40 ° S"1 ,. Grass and topsoil. g •14 Fitt g Medium dense, moist, mixed brown and gray, fine to coarse SAND, with 6 silt, few fine gravel (SM). Loose, moist, brown and dark brown, fine SAND, few to little sill, trace fine S-2 gravel (SP -SM). 5 9 4 5 Lodgement Till S-3 Dense, moist, gray, fine to coarse SAND, with silt, little fine gravel (SM); no 9 A stratification 17 40 23 Smoother drilling. 10 g-4 Becomes very dense. 26 o! "78 l Bollom of exploration boring at 11 feet 15 I l E I I r l i 20 25 { 30 35 Sampler Type (ST): ID 2" OD Split Spoon Sampler (SPF) Q No Recovery M - Moisture Logged by: BWG ID 3" OD Split Spoon Sampler (D & M) Ring Sample Q Water Level() Approved by: ® Grab Sample © Shelby Tube Sample -T Water Level at time of drilling (ATD) AS1,06,14ed C.,rtl, Exploration Lo Project Number Exploration Number Sheet KE100287A EB -32 1 of 1 Project Name Early Childhood Center Ground Surface Elevation (ft) N/A Location Renton WA Datum NIA Driiler)Equipment $oretedTrack Date S1arVFinish 7/2.4111.7Q41-11 Hammer Weight/Drop 140# 130" Hale Diameter (in) a 'cn ° Cd7 a —a " !!RBlowslFaot I N L a S E f E �a w o m T DESCRIPTION " 3: 10 20 30 40 ° S-1 Grass and topsoil..... - ._. 4 12 Lodgement Tilt 7 5 Very dense, m6sl, gray, fine to medium SAND, wilt, silt, few fine gravel 12 S-2 (SIN); no stratification 16 66 54 5 Advance Outwash gra dense, moist, fine SAND, few silt, [race coarse sandlfine Veryy gravel 2640 5 3 5 ' q! Botlam of exploration baring at 6 1/2 feet 10 i 15 1 i 24 i 25 ' E i t i 30 i i I 35 0 I i _ a E c� Sampler Type (ST): g m 2" OD Split Spoon Sampler (SFT) n No Recovery M - Moisture Lagged by: BWG o Y DD Split Spoon Sampler (D & M) 1] Ring Sample �7- Water Level O Approved by: m u ® Grab Sample Q Shelby Tube Sample 1 Water Level at time of drilling (ATD) a n5sncklted faith sciences, Inc. Exploration__ Loci r ED Project Number Exploration Number Sheet �, $ KE100287A EB -13 1 of 1 Project Name Early Childhood Center Ground Surface Elevation (ft)/�V, A Location Renton_ WA Datum NIA Driller/Equipment Boretec/Track Date Start/Finish 7/24/11.7124111 Hammer Weight/Drop 140#>! 1301, Hole Diameter (in) ti n N E UO E C ,6 a > �= o BIoW51F001 A rn S T `c° (D 0 m DESCRIPTION 10 20 30 40 O Grass and topsoil. g 2 Lodgement T i I 1 119 Medium dense, moist. brown, fine to coarse SAND, with silt, little fine 15 gravel (SM). S-2 Advance Outwash Dense, moist, gray, fine SAND, Few silt, trace coarse sand4ne gravel (SP); 12 24 e gradational stratification- 24 5 5 3 Grades with little silt. Gradational stratification. 29 01f A L79 Bottom of exptoration boring at 6 feet 10 1 15 E 20 I 25 30 35 t r c i a Sampler Type (ST): 2" OD Split Spoon Sampler (SPT) No Recovery M -Moisture Logged by: BWG m 3" OD Split Spoon Sampler (D 8 M) U Ring Sample Q Water Level O Approved by: c ® Grab Sample ® Shelby Tube Samplet Water Level at time of drilling (ATD) ,isoci.,tcd bitii Scicnces, Inc. Exploration Lo Project Number Exploration Number Sheet 1 J KE100287A EB -14 1 of Project name Early Childhood Center Ground Surface Elevation (ft) N/A Location Renton WA Datum Driller/Equipment Boretec/Track Date Start/Finish 7!24111,7124!19 Hammer'Weight/Drop 140# 130" Hole Diameter (in) _ `= L —F2- a V O C '� �, CJ ID Blows/Foot W a S E ` E� E 3 m ° m T1 `� c�N DESCRIPTION " 3 10 20 3G 40 O 1 Grass and topsoil. - S S-1 ..... _. -- -- Fill 11 20 Medium dense, moist, light brawn, fine SAND, with silt, flew fine gravel 9 (SM). Loose, moist, brown, fine SAND, with Sllt, trace fine gravel (SM) g ♦0 S-2 4 1 Loose, moist, gray, fine SAND, few Silt, few coarse sand/fine gravei (SP). 4 S-3 4 9 5 Advance Outwash i j t0 Very dense, moist,'gray, fine SAND, few silt and fine gravel (SP)- 35 I S-4 Bottom of exploration baring at 1 I feet 15 i 20 ' I 25 sa 35 ri a rn i i L Sampler Type (ST): p m 2" OD Spit Spoon Sampler (SPT) No Recovery M - Moisture Logged by: SWG Km 3" OD Split Spoon Sampler (D & M) U Ring Sample Water Level {) Approved by: 0 W ® Grab Sample ® Shelby Tube Sample 1 Water Level at time of drilling (ATD) a A."socialed i.drth S6clices, Inc- Exploration Lo } Project Number Exploration Number Sheet KE1O0287A EB-15 1 of 1 Project Name Earl Qhilrihood Qenter Ground Surface Elevation (ft) NIA Location Renton, WA Datum WA__ _ DrillerlEquipmenl 84ret(10%Track Date StartlFinish Hammer WeighlYDrop 140# 130" Hole Diameter (in) 4 _ Q I .9 ! a d 6 J N BIOW5/Foot .... F T I� E o m a �' DESCRIPTION L) m 0 Q 1 D 20 30 40 Grass and topsoil. -- 5 S-1 _ _ 9ementT�ll -- ---; ..._.. _ . _. .........__ Lod 10 A2 Medium dense, moist, brown, fine to medium SAND, with silt, few fine 15 gravel (SM). S-2 Becomes dense, brownish gray. 14 A34 14 20 5 S_3 Becomes very dense. 20 0/ A 650! " i Bottom of exploration boring at 6 feel 10 15 20 25 i Ei I i f I 30 { 35 Sampler Type (ST): M 2" OD Split Spoon Sampler (SPT) No Recovery M - Moisture Logged by: BWG m 3" OD Split Spoon Sampler (D & M) Ring Sample Q Water Level O Approved by; 5 Grab Sample ® Shelby Tube Sample t Water Level at time of drilling (ATD) 1 Li V 4f Associated Earth Sciences, Inc. fR1 Technical Memorandum Date: August 15, 2011 To: Calvin Gasaway, Greene Gasaway Architects David Nason, AHBL Doreen Gavin, AHBL Doug Ducharme, BLRB From: Bruce Guenzler, L.G Curtis Koger, L.G., L.E.G., L.Hg. Subject: Preliminary Design Infiltration Rate Page 1 Project Name: Early Childhood Center at Hillcrest Special Services Facility Project No: KE100287A The purpose of this memo is to summarize our infiltration field data and infiltration system design recommendations for the project. For this study, we completed infiltration rate testing in four excavated pits. Stratigraphy Vashon advance outwash was encountered beneath Vashon lodgement till at most of the locations in the area of the proposed building and in each of the excavations made for construction of test pit drains. Vashon advance outwash consists of sands and gravels deposited in lakes and melt water streams during the advancing phase of the Frasier Glaciation. The outwash deposits were subsequently compacted by the weight of the overlying glacial ice. Advance outwash deposits typically exhibit gradational stratification, including stringers consisting of silt and/or silty sand. Such stratification has the potential to limit advance outwash sediments from performing well as an infiltration receptor. The construction of infiltration pit drains, as recommended in this memo, penetrates low permeability fine grained interbeds and substantially improves the ability of advance outwash to serve as an infiltration receptor. The depth of the advance outwash sediments varies across the site. At the infiltration test locations, the depth to these sediments ranged from 4.5 feet (ft) below ground surface to 16 ft below ground surface. Infiltration Testing Generally, the infiltration testing method consisted of cutting the existing sod at the proposed testing locations and excavating pits with the track -mounted excavator. The pits were excavated with an approximate area of 2.5 feet wide by 6.5 to 4 feet long, with approximate depths of 16.5 to 18 feet, and had relatively vertical sidewalls and flat bottoms. Water was provided by an on-site fire hydrant. The first phase of testing consisted of pre-test soaking followed by a constant head flow testing phase. Water was introduced through an electronic flow meter with instantaneous and total flow readout. The water level in the pits was monitored in a polyvinylehloride (PVC) sounding pipe, placed on the bottom of the pit, with an electronic water level meter. Water was allowed to rise in the pit until the water level reached the top of the receptor in order to simulate proposed facility conditions. After the water level reached the target level, the flow Kirkland Office • 911 Fifth Avenue, Suite 100 • Kirkland, WA 98033 • P j (425) 827-7701 • F 1 (425) 827-5424 Fverett Office • 29111/2 Hewitt Avenue, Suite 2 • Everett, WA 98201 • P 1 (425) 259-0522 • F 1 (425) 252-3408 Tacoma Office • 805 Martin Luther King Jr. Way • Tacoma, WA 98405 • P j (253) 777.2992 • F 1 (253) 722-2993 wwmaesgeoxom Associated Earth Sciences, Inc. Technical Memorandum was reduced in order to maintain a constant water level (constant head). The duration of the constant head phase was generally 4 hours. Readings of the water level, instantaneous flow and total flow were recorded at approximately 15 minute intervals using a manual electronic flow meter, and on 15 minute intervals with a pressure transducer. The final phase of testing, the falling head phase, began by discontinuing the water flow immediately after the constant head phase. After discontinuing water flow, water levels were monitored with both manual electronic water level meter and pressure transducer methods. The duration of this phase varied depending on the infiltration rate. Recommendations Based on the performance of infiltration tests, it is AESI's opinion that the on-site Vashon Advance Outwash sediments are suitable for the proposed infiltration pit drain. For preliminary design purposes, we anticipate that a pit with dimensions of at least 3 feet wide by 10 feet long and 20 feet deep will have the capacity to dispose of 0.020 cubic feet per second (cfs) of storm water. We anticipate that construction of the pit drains will be performed by a large excavator working at arms reach. Trench excavations are currently planned for construction with near -vertical. sidewalls and immediate backfilling of the excavated pit. Based on the observed soil conditions in our explorations, this method of construction is expected to be feasible. However, areas where we previously excavated trenches for testing purposes may require sloping or some other form of shoring, if necessary, due to the loosely placed existing backfill. Upon reaching the total depth of excavation for each pit, the trench should be backfilled with free -draining granular material, such as clean, washed pea gravel or other free -draining material, as specified below. A sample of the free -draining material should be made available to AESI at least 1 week prior to drain construction, so that laboratory tests can be performed, as needed. After drain backfilling and prior to installing surface treatments, the pea gravel must be water -settled to minimize settlement of the pea gravel backfill once the facility is "on- line." AESI must be present during excavation of the facility and during drain testing. The final engineering design for the storm water facility must be reviewed by AESI to confirm the conclusions and opinions as contained in this memo. io '�! S wr 001010 CA/4 Ak( • . USG ��' Date: August 15, 2011 Project No: KE100287A Page 2 GRAIN SIZE ANALYSIS - MECHANICAL Date Project Wt. Retained Project No, Soil Description 11115/2010 Early Childhood Center KE100287A Tested By Location 76.1 EB/EP No Depth Sand few silt trace gravel MS Onsite EB -6 S-5 20' 2 Wt. of moisture wet sample + Tai 335.45 Total Sample Tare 299.08 1.5 Wt. of moisture d Sample + Tare 315.95 Total Sample Wt + tare 100.00 1 Wt. of Tare 100.9 JTotal Sample Wt 100.00 314 Wt. of moisture Dry Sample 215.05 Total Sample Dry Wt 100.00 318 Sieve No. Diam. mm Wt. Retained % Retained % Passing Minimum Maximum 3.5 90 100.00 3 76.1 100.00 2.5 64 100.00 2 50.8 100.00 1.5 38.1 100.00 1 25.4 100.00 314 19 100.00 318 9.51 - 100,00 #4 4.76 0.85 0.24 99.76 #8 2.38 1.11 0.31 99.69 #10 2 4.31 1.20 98.80 #120 0.85 82.6 22.93 77.07 #40 0.42 227.05 63.02 36.98 #60 0.25 304 84.38 15.62 #100 0.149 304.19 84.43 15.57 #200 0.474 1 329.27 91.39 6.61 100 80 60 LL C G1 a 40 a 24 US STANDARD SIEVE NOS. T. 314" NO NO 1G NO 4u NO 200 100 10 1 0 1 Grain Size, mm ASSOCIATED EARTH SCIENCES, INC. 911 511) Ave SURE 100 Kirkland, WA 94033 425527-7701 FAX 425-827-5424 001 7.0 OTHER PERMITS Other permits will be required for the completion of the project. These permits include, but are not limited to, building permits and a !National Pollutant Discharge Elimination System (NPDES) General Stormwater Construction Permit. Preliminary Technical information Report IM1003 Renton Early Childhood Learning Center 7-1 210515.10 $.O CSWPPP ANALYSIS AND DESIGN The proposed development will comply with guidelines set forth in City of Renton drainage requirements. The plan will include erosion/sedimentation control features designed to prevent sediment -laden runoff from leaving the site or from adversely affecting critical water resources during construction. The permit drawings and TIR will address the ESC Plan Analysis and Resign (Part A) and SWPPS Plan Design (Part B) to meet City of Renton requirements. Preliminary Technical Information Report 131000 Renton Early Childhood Learning Center 8-1 210515.10 9.0 BOND QUANTITIES, FACILITY SUMMARIESF AND DECLARATION OF COVENANT The Final TIR for this site will contain Site Improvement Bond Quantity Worksheets, as required for project plan submittal. A Flow Control and Water Quality Facility Summary Sheet will be submitted following plan approval. Preliminary Technical Information Report 1310133 Renton Early Childhood Learning Center 9-1 210515.16 10.0 OPERATIONS AND MAINTENANCE PLAN The drainage facilities detailed in this report will be maintained by the Renton School District. Preliminary Technical Information Report 130)(30 Renton Early Childhood Learning Center 10-1 210515.10 11.0 CONCLUSION Based on the information provided above, the proposed improvements will meet the drainage requirements for the City of Renton. AHBI_, Inc. David C. Nason, PE Civil Project Manager DCNJIsk December 2011 Q: \2010\2105151 WORDPROgReports120111206_Rpt_(Preli m_TIR)_210 515.10. doa Preliminary Technical Information Report 13MM0 Renton Early Childhood Learning Center 11-1 210515.10 TAC0VA S17ATTLE SFO KA NE www.ahbl.com 2215 North 30th Street 1200 6th Avenue 827 West First Avenue Suite 300 Site 1620 Suite 301 Tacoma, WA 98403-3305 Seattle, WA 9 81 01-311 7 Spokane, WA 99201-051B 253.383.2422 'L 206.267.2425 Tet 509.252.5019 IF 253.383.2572 RK 206.267.2429 FAx 509.315.8862 w