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HomeMy WebLinkAboutU15005689 Preconstruction Meeting Agenda.pdf PRECONSTRUCTION MEETING PROJECT: Central Island Short Plat – U15005689 MEETING DATE: May 12, 2016 PROJECT PERSONNEL: Ann Fowler, City Project Manager 425-430-7382 Brad Stocco, Public Works Inspector 425-282-2373 Corey Thomas, Fire Inspector 425-430-7024 Ryan Puddy, Electrical Inspector 206-999-1821 Jack Oxford, Electrical Inspector 206-999-1822 Clark Close, Planning Reviewer 425-430-7289 Eric Cutshall, Transportation Maintenance Supervisor 425-430-7223 FRANCHISE UTILITIES: 1. The franchise utilities require copies of the approved construction drawings before designing their facilities. Provide a copy of the approved composite drawing to each utility for inclusion with their permit application. 2. Each franchise utility shall apply for a separate permit prior to construction in existing or future right-of-way. A blueline drawing showing the location of all utilities, city and franchise, in redlines shall be submitted to the sixth floor counter for City review two weeks before installation. 3. All franchise utilities shall be separated a minimum of five feet (5') horizontally and twelve inches (12") vertically from City utilities. 4. All franchise utilities within the City of Renton right-of-way must be inspected by the City of Renton franchise inspector. Call the inspection line at 425-430-7203, 24-hours prior to job start for coordination. 5. The composite drawing shall be as-built showing all franchise utility locations and crossings. The revised composite drawing shall be submitted with the as-built drawings after construction is complete. GENERAL: 1. CALL 425-430-7203 FOR INSPECTION (24 HR NOTICE) BEFORE YOU START WORK. NOTIFY FIRE, POLICE AND METRO OF CONSTRUCTION SCHEDULE. CALL 911 OR FIRE DISPATCH AT 253-852-2121 2. Contractors shall use only sets of drawings stamped and signed by the City of Renton for constructing utility and transportation improvements. The approved plans do not constitute a fill and grade permit or grant any rights to fill and/or grade outside of the right-of-way. Keep a set of approved drawings on-site at all times. 3. Work hours for hauling in right-of-way are weekdays, 8:30 AM to 3:30 PM, Saturday by approval only and no work on Sundays. PRECONSTRUCTION MEETING Central Island Short Plat – U15005689 5/12/2016 2 4. CONSTRUCTION HOURS: 7:00 AM to 8:00 PM Monday thru Friday and 9:00 AM to 8:00 PM on Saturdays by permission only. No work allowed on Sundays. 5. Contractor must call for City inspection before 3:00 p.m. on the previous day. Overtime takes special authorization and scheduling in advance. Pay schedule is $75 per hour for overtime. 6. Streets shall be kept clean at all times. Truck washing and other measures as approved are required for the duration of the project. Provide whatever measures necessary for cleanup and dust control during job and at night. 7. Traffic control plan to be in accordance with the Manual on Uniform Traffic Control Devices. Haul legal loads and observe all traffic laws. All truck maneuvering and materials storage to be on-site only. Right-of-way to remain unobstructed when possible. No stockpiles are allowed in the right-of- way. 8. All utilities must be inspected prior to backfill. 9. The contractor, as well as the engineer, shall keep as-built drawings. All changes shall be shown on as-builts. As-builts shall be per City specifications. All bends on waterlines shall be surveyed prior to backfill with horizontal and vertical control for all bends established. Sewer lines may be surveyed after backfill at manhole access. As-built drawings must have a P.E. or P.L.S. stamp. Final plat recording or final occupancy will not be issued until receipt and approval of project utility and transportation improvement as-built drawings by the City. 10. Field changes: If minor, submit a shop drawing or schematic through the Public Works Inspector or by FAX 425-430-7300. If major, the project engineer should submit drawings and complete justification, information and calculations as applicable to the City Project Manager. City staff will respond by memo or schedule a meeting within two days. The Public Works Inspector cannot give approval in the field for major construction changes. 11. Street Restoration is required to conform to the City of Renton Trench Restoration and Street Overlay Standards. A copy has been provided. All street repairs shall be complete and in place within 14 days, or as directed by the Public Works Inspector. 12. Dewatering, if required, shall be less than 25 NTU if discharged into Waters of the State. Pipe conveyance systems that discharge eventually to the ‘Waters of the State’ is construed as ‘Waters of the State’. Downstream pipe conveyance systems shall be TV’d, as directed by the Inspector, prior to final acceptance of the project. Projects over 1 acre in size shall be required to provide the WAR (Ecology) number and send in the CESCL weekly reports to the inspector stating compliance to discharge requirements. If dewatering is proposed to a City Sewer system then a permit from the County and the City will need to be obtained. The contractor is strongly encouraged to obtain required sewer discharge permits in advance of any anticipated need to discharge to the sewer system. 13. Dust control shall be implemented as directed by the Inspector. (Dust suppression guidelines will be provided to the Contractor from the Inspector.) 14. If the materials shown on the approved plans differ from those shown on the City standard details, material submittals shall be reviewed and approved by the City prior to installation. PRECONSTRUCTION MEETING Central Island Short Plat – U15005689 5/12/2016 3 15. Spill Kit shall be located on site and identified with signage. 16. Storm Water Pollution Prevention Plan shall be located on site and shall be maintained throughout construction. ELECTRICAL: 1. After calling in the inspection request through the Inspection Request Line, contact Ryan Puddy (206-999-1821) or Jack Oxford (206-999-1822) at 7:30 a.m. the morning of the inspection to provide a contact name and phone number for arranging the electrical inspection with your representative. 2. Have in your possession the electrical permit and streetlight luminaire checklist. Insert both in a clear plastic document protector and attach it to a conduit stubbed up. If the signal control box is installed, for underground conduit inspection approval, place the documents in the signal control box. 3. Service inspection for signal or lighting control pedestals requires access for electrical inspection. If approved, a service approval sticker will be attached by the meter opening for the serving utility. The serving utility will not and shall not connect power unless the approval sticker is in place. 4. All grounding is to meet Standard Plan -119, dated March 20, 2012. 5. Provide Megger Test Report of all wiring to identify any undergrounded conductor that is grounded or open not completing circuit. 6. When calling in a request for final electrical inspection, provide access to all handholes and access openings to light poles. Some bolts require special sockets or wrenches, which are not available to or provided by the Electrical Inspector. 7. Electrical cabinets (Millbank service cabinets) do not meet the minimum City code standards, therefore shall not be considered allowable. FIRE PREVENTION: 1. Maintain access to site at all times. Access must be able to support emergency equipment in all types of weather. Hydrants are required to be in place prior to any combustible installation above the foundations. 2. All new hydrants shall be Cory type hydrants to be painted Safety Yellow. Iowa and Renselear are manufacturers of Cory type. An alternate fire hydrant, Clow Medallion or Mueller Super Centurion has been approved for use. Any hydrant installed shall be equipped with 5-inch diameter Storz "quick connect" style fittings. 3. New hydrants are to be covered with burlap or heavy plastic and wrapped until operational. 4. The Public Works Inspector must inspect all concrete blocking prior to backfill. 5. Water main leads that exceed 50 feet in length shall be minimum 8-inch diameter pipes. PRECONSTRUCTION MEETING Central Island Short Plat – U15005689 5/12/2016 4 6. Call 911 if the water main needs to be shut off (emergency only). For all other water main or valve shut downs, call the Renton Public Works Maintenance Services Division at 425-430-7400. 7. Fuel: Any temporary on-site fuel supplies shall have a separate permit from Fire Prevention. 8. A permit from the Fire Department is required for all underground mains serving fire sprinkler systems. All systems must be installed by a Washington State certified fire sprinkler contractor. 9. Notify central dispatch 24 hours prior to work in the existing right-of-way. Call 911 or Fire Dispatch at 253-852-2121. 10. Any Hazardous Materials Permit (including removal of underground fuel tanks) or Hot Works Certification may be applied for through Fire Prevention, at the 6th floor of Renton City Hall. CITY UTILITIES WATER: 1. Pipe materials, valves, and fittings shall be as indicated on the approved plans and standard notes. In the case of construction in proposed new roadways, the proposed road prism shall be constructed to subgrade prior to any utility installation. 2. The City of Renton shall install all connections to existing mains. The contractor shall construct the new water main to a point approximately ten feet short of the existing main. All necessary excavation, shoring, and materials are supplied by the contractor and shall be on-site prior to scheduling. Allow at least seven working days advance notice, and schedule the connection through the Public Works Inspector. 3. Temporary and permanent thrust blocks shall be formed. Concrete for thrust blocks shall be delivered to the job. No on-site mixes are allowed. Standard mix design shall be 3,000 psi. All blocking must be inspected before backfilling. 4. Procedure for cleaning and construction testing of new water lines: a. Pipe cleaning shall be by poly pigging through vertical crosses installed at the ends of the water lines to serve as pig launches and sediment traps. Water main shall be polywrapped. b. All water lines shall be pressure tested to minimum of 200 psi or 150 over operating pressure (static) for 2 hours. Services may be tested separately by visual inspection of the corp stop under static pressure. c. Chlorinate for 24 hours, using liquid chlorine and chlorine pump assembly. The Public Works Inspector shall schedule chlorination. Seven working days advance notice is required. d. Water used for flushing water lines shall be drained into sanitary sewer only. e. The construction inspector will collect purity tests at blow-offs. Water purity tests are taken to the testing laboratory by the Public Works Inspector. Test results are available in 5-7 days. 5. Crushed rock 5/8” minus backfill to grade is required in City right-of-way. Recycled 1¼” concrete may be used in lieu of crushed rock backfill. Pit run type material may be considered for use in backfill by the construction inspector. Compaction testing may be required. PRECONSTRUCTION MEETING Central Island Short Plat – U15005689 5/12/2016 5 6. Where conflict exists, the water main shall go under other utilities; however, it is preferred that no water mains shall have more than six feet of cover. All water mains up to 10-inch and under shall have a minimum of three feet of cover. Water mains 12-inch and larger shall have a minimum of four feet of cover. 7. Final acceptance shall be after final walk through inspection, adjustment of all structures, and approval of as-builts, cost data inventory, easements and bill of sale if applicable. SANITARY SEWER: 1. All pipes and materials shall be per approved plan and standard notes. However, any sewer pipe with less than four feet or greater than fifteen feet of cover shall be Ductile Iron, Class 50, or C900 pipe. 2. All manholes shall have all interior surfaces, including channeling, coated/sealed with a high solids urethane coating: Wasser MC-Conseal or approved equal. Coating shall be white. 3. Pipe bedding for PVC pipe shall be pea gravel or 5/8" minus crushed rock as approved by the inspector, 6" above and below the pipe. 4. Backfill shall be compacted to at least 95% of maximum density, within the right of way. 5. Contractor will be responsible for TVing of the sanitary line. TV after channeling is complete. Air tests on main and side sewers shall be per City specification. Number 6 wire shall be wrapped around the stub and extended to the top with a 2 x 4 marker stenciled in white. 6. Contractor shall as-built the invert elevation of side sewer stubs. If cleanouts are installed, the top and flowline shall be as-built and noted on the record drawings. STORM/EROSION CONTROL: 1. Approved temporary erosion control measures are to be installed as first order of business and maintained at all times per the approved drawings. 2. The boundaries of the clearing limits and areas of vegetation preservation, including wetlands, as prescribed on the plans(s) shall be clearly flagged by survey tape or fencing in the field prior to construction. 3. Weekly erosion control reports outlining the status and condition of the erosion control plan, with any recommendations of change or revision to maintenance schedules or installation, are required to be submitted by the project Engineer of record or project CECSL to the plan review project manager and construction inspector at the City. Certification of the installation, maintenance, and proper removal of the erosion control facilities is required prior to final approval. 4. All pipes and materials shall be per approved plan. All roadway excavation and backfill for construction of the road prism shall be accomplished prior to installation of the drainage facilities to avoid damage or disturbance of the new infrastructure. 5. Contractor must notify engineer of any vertical conflict prior to proceeding with construction. Please submit a shop drawing for review. PRECONSTRUCTION MEETING Central Island Short Plat – U15005689 5/12/2016 6 6. Bedding material shall be per WSDOT Standard Specifications 9-03.12(3) or as approved by the inspector. 7. Backfill shall be compacted to at least 95% of maximum density. 8. Catch basins shall be grouted smoothly. 9. System shall be flushed and cleaned which includes the downstream system a minimum of two structures or 500 feet whichever is greater. Lines shall be tv’ed and maybe pressure tested. 10. Smooth interior wall corrugated polyethylene storm water pipe, where permitted, shall use watertight couplings. It shall also be bedded in pea gravel to the springline. 11. Note additional requirements for any site with exposed sois during the WET SEASON (October 1 to April 30). Notice of Special Erosion Control Requirements is provided. TRANSPORTATION: 1. The Manual of Uniform traffic control devices shall be followed for street closures and routing for traffic. An approved traffic control plan shall be in place prior to working in the City right-of-way. 2. Paving: The minimum compaction shall be 95% of maximum relative density on subgrade and rock surfaces. 3. Contractor shall not leave open trenches overnight. Backfill, plate or fence all trenches. The proposed method of cover or protection shall be submitted to the Public Works Inspector for approval. Shoring plates and cold mix to be on site at all times. The inspector may require cold mix for sidewalks and driveways for safety. 4. Watch for pedestrian traffic. Provide "Sidewalk Closed" signing as needed. A Pedestrian Escort will be required if pedestrians are to be directed through construction. PLANNING: 1. RMC section 4-4-030.C.2 limits haul hours between 8:30 am to 3:30 pm, Monday through Friday unless otherwise approved by the Development Services Division. 2. Within thirty (30) days of completion of grading work, the applicant shall hydroseed or plant an appropriate ground cover over any portion of the site that is graded or cleared of vegetation and where no further construction work will occur within ninety (90) days. Alternative measures such as mulch, sodding, or plastic covering as specified in the current King County Surface Water Management Design Manual as adopted by the City of Renton may be proposed between the dates of November 1st and March 31st of each year. The Development Services Division’s approval of this work is required prior to final inspection and approval of the permit. 3. A National Permit Discharge Elimination System (NPDES) permit is required when more than one acre is being cleared. 4. The applicant may not fill, excavate, stack or store any equipment, dispose of any materials, supplies or fluids, operate any equipment, install impervious surfaces, or compact the earth in any way within the area defined by the drip line of any tree to be retained. PRECONSTRUCTION MEETING Central Island Short Plat – U15005689 5/12/2016 7 5. Tree Protection: a. Prior to development activities, the applicant shall erect and maintain six-foot (6') high chain link temporary construction fencing around the drip lines of all retained trees or at a distance surrounding the tree equal to one and one-quarter feet (1.25') for every one inch (1") of trunk caliper, whichever is greater, or along the perimeter of a tree protection tract. Placards shall be placed on fencing every fifty feet (50') indicating the words, “NO TRESPASSING – Protected Trees,” or on each side of the fencing if less than fifty feet (50'). Site access to individually protected trees or groups of trees shall be fenced and signed. Individual trees shall be fenced on four (4) sides. In addition, the applicant shall provide supervision whenever equipment or trucks are moving near trees.. b. The applicant may not fill, excavate, stack or store any equipment, dispose of any materials, supplies or fluids, operate any equipment, install impervious surfaces, or compact the earth in any way within the area defined by the drip line of any tree to be retained. c. All areas within the required fencing shall be covered completely and evenly with a minimum of three inches (3") of bark mulch prior to installation of the protective fencing. Exceptions may be approved if the mulch will adversely affect protected ground cover plants. d. The applicant shall retain a certified arborist or licensed landscape architect to ensure trees are protected from development activities and/or to prune branches and roots, fertilize, and water as appropriate for any trees and ground cover that are to be retained. 6. If applicable, no work shall occur within critical area and/or buffers unless modified according to RMC 4-3-050 (buffer reduction, averaging, critical area variance and/or exemption). Mitigation plantings shall occur in accordance with the approved Final Mitigation plan. 7. Contact the Planning Project Manager directly for landscape inspection. 8. The contractor/applicant shall comply with all conditions of land use approval and SEPA Environmental Review, see conditions list attached. CONDITIONS TO ISSUANCE OF A CONSTRUCTION PERMIT: 1. Submit a Traffic Control Plan for approval at least five days prior to construction. 2. Provide a Cost Estimate and Permit Bond in the amount of 150% of total street improvements to be constructed in the City right-of-way. 3. Provide a copy of the utility contractor’s license number. 4. Provide a copy of the utility contractor’s City of Renton business license number. 5. Pay all system development, special assessment, and related permit fees at time of permit issuance. 6. Provide a signed Authorization of Special Billing.