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HomeMy WebLinkAboutSewer Pre-con Notes.pdfDEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT Last Modified 12/7/2018 1 [Subject] 3/7/2022 CITY OF RENTON PRECONSTRUCTION MEETING 148th Ave SE Sewer Extension, 3/7/2022 PROJECT PERSONNEL: Jonathan Chavez, City Project Manager, 425-430-7288, jchavez@Rentonwa.gov Patrick Decaro, Public Works Inspector, 425-207-6013, PDecaro@Rentonwa.gov GENERAL: 1. Call the construction inspection line at 425-430-7203 24 hours before you start work. Notify Fire Dispatch, Renton Police Department, and King County Metro of project construction schedule. Fire Dispatch can be reached at 253-852-2121. The Renton Police Department can be reached at 425-430-7500. King County Metro can be reached at 206-477-1140. 2. RIGHT OF WAY HAUL HOURS: 8:30 AM to 3:30 PM Monday thru Friday. Hauling on Saturday is by permission only. No hauling is allowed on Sunday. 3. INSPECTION HOURS: 7:00 AM to 3:30 PM Monday thru Friday. Contractor must call for City inspection before 3:00 PM on the previous day. Inspections outside of inspection hours must be requested. 4. To request work, hauling, and inspections outside of the hours listed above, contact the City no later than three working days prior to the requested activity. 5. After hours inspection fees (applies to inspections performed on Saturdays, Sundays, observed City of Renton holidays, and non-holiday Monday-Fridays outside the hours of 7:00am to 3:30pm). Current fees can be found on the City of Renton Fee Schedule. Any outstanding fees are to be paid by the specialized billing contact provided by the applicant. 6. Public Works Reimbursement (any work performed by City forces or under City contract on behalf of a permit applicant to repair damage to the City infrastructure caused by the permit applicant or contractor under its control, or any and all roadway or right-of-way cleanup efforts performed by City forces or under City contract that resulted from the work performed by the permit applicant or contractors under its control. Current fees can be found on the City of Renton Fee Schedule. Any outstanding fees are to be paid by the specialized billing contact provided by the applicant. 7. Contractors shall use only sets of drawings approved by the City for constructing utility and transportation improvements. Approved drawings are signed by the Project Manager and / or other city staff on each plan sheet. A set of approved drawings shall be kept on-site at all times. 8. RECORD DRAWINGS: It is the responsibility of the contractor and engineer to keep record drawings. All changes to the approved construction plans shall be shown on the record drawings. Record drawings are required to be submitted to the City. Record drawings submitted to the City Last Modified 9/6/2017 2 148th Ave SE Sewer Extension, 3/7/2022 shall be prepared, stamped, and signed by a Professional Land Surveyor or Professional Engineer licensed in the State of Washington. All plan sheets with utility and transportation improvements including those constructed per design, must be verified, stamped, and signed “As-Built”. Record drawings shall first be submitted to the City for review by the Public Works Inspector. Once the record drawings are approved by the Public Works Inspector, final electronic plans (PDF) shall be submitted for City permanent records. Recording of the final plat or short plat or issuance of final occupancy will not be completed until final record drawings are received. 9. If the materials shown on the approved plans differ from those shown in the City standard details, material submittals shall be made to the Project Manager for approval prior to installation. 10. MINOR FIELD CHANGES: Identify the proposed change(s) to the Public Works Inspector. If the Public Works Inspector determines that the change(s) is minor, the Public Works Inspector can approve the change(s) in the field. A summary of any minor changes approved by the Public Works Inspector shall be emailed to the Project Manager. If the Public Works Inspector determines that the change(s) needs further review and approval from other City staff, the contractor shall follow the directions in the Major Field Changes section below. 11. MAJOR FIELD CHANGES: Submit a digital plan clearly showing the proposed change(s) and justification via email to the Project Manager and Public Works Inspector. City staff will respond to the requested change within two business days. The Public Works Inspector cannot give approval for major construction changes in the field. 12. Trenches with City utilities shall be left open for inspection prior to backfill. 13. A spill kit shall be located on site and easily identifiable with signage. 14. PROJECT CLOSEOUT: The Civil Construction Permit Final Inspection and Construction Closeout Process Requirements document gives information of the requirements for construction closeout. The current version of the Final Inspection and Construction Closeout Process and Requirements document is included in this preconstruction meeting packet. All requirements of the codes and regulations for the construction permit closeout should be followed by the contractor and developer. 15. FINAL INSPECTION WALKTHROUGH: Contractor shall accompany the Site Inspector during the final walkthrough and provide any required traffic control. CITY UTILITIES SANITARY SEWER: 1. Pipe and materials shall be as indicated on the approved plans and standard notes. 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. When installing sewer main in new roadways, the proposed road prism shall be constructed to subgrade prior to any utility installation. Last Modified 9/6/2017 3 148th Ave SE Sewer Extension, 3/7/2022 3. 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. 4. Pipe bedding shall be pea gravel or 5/8" minus crushed rock as approved by the Public Works Inspector. Bedding shall extend 1-foot above the pipe and 6-inches below the pipe. Backfill shall be compacted to at least 95% of maximum density. Compaction testing is required. 5. A 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 all side sewer stubs. If cleanouts are installed, the top and flowline shall be as-built and noted on the record drawings. 7. No shims or wedges shall be used on any utility structure. 8. Contractor will be responsible for TVing of the sewer main. TVing shall occur after channeling and coating is complete. Pressure tests on the main and side sewers shall be per City specifications. 9. Sewer mains may be surveyed after backfill using the manholes as access points. CONDITIONS TO ISSUANCE OF A CONSTRUCTION PERMIT: 1. Pay all system development, special assessment, and other outstanding permit fees. 2. Provide a surety device in the amount calculated by the City’s Bond Quantity Worksheet. The surety device can be a permit bond, assignment of funds, or irrevocable letter of credit. The Bond Quantity Worksheet and form for each time of surety device can be found in the Development Engineering Forms section of the City website located here: http://rentonwa.gov/business/default.aspx?id=42473. 3. Provide a copy of the utility / dirt contractor’s license number. 4. Provide a copy of the utility / dirt contractor’s City of Renton business license number.