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HomeMy WebLinkAboutS-209602SANITARY SEWER GENERAL NOTES: I.B�i* work materials shall be in conformance with the Standards and Specifications of the City of Renton Utility Department and the latest edition of the WSDOT /APWA Standards and Specifications. 2. The hours of work in the street right -of -way shall be limited to 8:30 am to 3:30 pm on weekdays unless otherwise approved in writing by-the Department of Public Works at 235 -2620. All street closures, partial or full, shall be approved by the Department of Public Works-24 hours in advance. The police department, fire department, and 911 shall be notified 24 hours in advance. S. All construction shall be in accordance with "Standard Specifications for Municipal Public Works Construction" prepared by Washington State Chapter American Public Works - Association, latest edition (APWA) and City of Renton Standard Specifications. 4_All locations of existing utilities shown are approximate and it shall be the contractor's responsibility to verify the true and correct location so as to avoid damage or disturbance. 5. A preconstruction conference and a 24 hour notice shall be required prior to starting new construction. It shall be the contractor's responsibility to secure all necessary permits prior to starting construction. (Inspection will be accomplished -by a representative of the City of Renton.) It shall be the contractor's responsibility to notify the Utility Department 24 hours in advance of backfilling all construction. s.Contractor is solely responsible for the means, methods and sequences of construction and for the safety of workers and others on the construction site. F.It shall be the responsibility of the contractor to obtain street' use and any .other related - permits prior to- any construction. 9. Plans approved by the City of Renton, Public Works Department shall take' precedence over all other plans. 9.A copy of these approved plans must be -on the job site whenever construction is in progress. VV P ° 3 2 -2096 1o. The contractor shall provide the City of.Renton with an as- built drawing of the sanitary sewer :system which has been stamped and signed by a licensed Professional Engineer or, licensed Professional Surveyor. 11. Backfill shall be placed squally on both sides of the pipe in layers with a loose average depth of;6 inches, maximuit. depth of 8 inches, thoroughly tamping each. layer to 95% of maximum density. These compacted layers must extend for one pipe diameter on each side of the °pipe or to, the side- of 'the trench. Materials to complete the, fill- over'pipeshall be the same as described. 12. open cut road crossings .for .utility ,trenches on existing traveled roadway shall ' be backfilled . with, crushed rock aiEd mechanically compacted. Cuts into the s**i.it itg, asphalt shall be neatline cut with saw in a contintio�us; line.: A ,temporary mix patch must be place immediately, after;- backfill -and compaction. A permanent hot mix patch.- g;"ll,be placid.,Xithin 30 days and shall be per City of Renton ctixxent standtrdS. 13. Datum shall be City of Renton, U «S:C. ,.arid G.S. ASPHALT CONCRETE (3 -. MIN.) REPLACEMENT PATCH TO BE FlNAL JOINT MUST 1." THICKER THAN PREVIOUSLY BE SAY1hCUT EXISTED. �' EXISTING ASPHALT CONCRETE r, MI& CRUSHEID . WWACINO TOP dOU1 $E COFAPAC'EED..CRI'iSElEE3 ROCK SAMILL, EXISTING ASPHALT CON CRETE OVER PREPAE DE _.... D' F 1. SEE SECTIONS 7 -18 AND 2 -09 FOR PATCHING:, BACKFllk#N6- :.SKCKCATi0M­`_ As I sorunucc twt onenwAY ARVA -k 'R"I _'hF' A (URff FO ANn,4PA I D :�IEEFF 16. Sanitary sewer pipe shall be polyvinyl chloride (PVC) re>bber gasketed ASTM D 3034, SDR 35, or ductile i *on Claos so- 17. In unimproved areas, manhole to extepd minimum 6. inch ° and maximum 18 inch above finished grade. In 'paved area, cover must slope in all directions to match paving. 2W i! i 01 T T tz INV. 0" a (in) N.F. AIO'sF: sc�t:'eoa -.a pxovroe "rnN At �� sTRVcTt MtlTfAl FOR orwR&L 00pamm FOIE We w WAT R AlAW X9rL",Y W/TM Do TOA06 11790 M1114 cw b. - LK . A PO• �m