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Home My WebLink AboutWWP2703414.7R 4E Lj Cl) cr_ L.LI L Ld 0 Z w X N to tAjLjj 0 3 N Q05 N 2 U r W R 9 LLJ r 0 E rI W Z 0 Ld X L �r SA N I 7-A R Y SE VVER N 0 TES & Sl/ A TIONS Sanitary Sewer Notes and Specifications ----.--_— _ _ THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SANITARY SEWER UTILITY. 1. All work and work material shall be in conformance with the standards and specifications of the City of Renton PlanninglBuilding/Public Works Department and the latest edition of the WSDOT/APWA Standards and Specifications, as approved and modified by the City of Renton in the Renton Standard Plans & Specifications. A set of approved plans shall be kept on site at all times• during construction. 2. The hours of work in the street right of way shall be per City specifications on weekdays unless otherwise opproved in writing by the Planning/Building/Public Works Department. An approved traffic control plan must be obtained prior to beginning any work within public right of way. J. All locations of existing utilities shown are approximate and it shall be the contractors responsibility to verify the true and correct location so as to avoid damage or disturbance. 4. A pre —construction conference and a 24 hour notice shall be required prior to starting new construction. It shall be the contractors 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 contractors responsibility to notify the Public Works inspector 24 hours in advance of backfilling all construction. 5. Contractor is solely responsible for the means, methods and sequences of construction and for the safety of workers and others on the construction site. 6. It shall be the responsibility of the contractor to obtain street use and any other related permits prior to any construction. 7. Plans approved by the City of Renton, Public Works Department shall take precedence over all other plans.8. A copy of these approved plans must be on the job site whenever construction is in progress. 9. 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. 10. Backfill shall be placed equally on both sides of the pipe in layers with a loose overage depth of 6 inches, maximum depth of 8 inches, thoroughly tamping each layer to 95 percent 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 All over pipe shall be the same as described. 11. Open cut road crossings for utility trenches on existing traveled roadway shall be backfilled with crushed rock and mechanically compacted unless otherwise approved by the Public Works inspector. Cuts into the existing asphalt shall be neatline cut with saw in a continuous line. A temporary mix patch must be placed immediately after bockfill and compaction. A permanent hot mix patch shall be placed within 10 days and shall be per City of Renton current standards. 12. Datum shall be City of Renton, 1988 NAVD. 1J. All disturbed areas shall be seeded and mulched or otherwise stabilized to the satisfaction of the Department for the prevention of on —site erosion after the completion of construction. 14. All pipe and appurtenances shall be laid on a properly prepared foundation in accordance with the standards and specifications of the City of Renton Planning/Building/Public Works Department and the latest edition of the WSDOT/APWA Standards and Specifications, as approved and modified by the City of Renton in the Renton Standard Plans & Specifications. This shall include necessary leveling of the trench bottom or the top of the foundation material, as well as placement and compaction of required bedding material, to uniform grade so that the entire length of the pipe will be supported on a uniformly dense, unyielding base. Pipe bedding shall be pea gravel 6 inches above and below the pipe. 15. Sanitary sewer pipe shall be polyvinyl chloride (PVC) rubber gosketed ASTM D JOJ4, SDR J5, or ductile iron class 50, unless otherwise approved by the Wastewater Utility. 16. In unimproved areas, manhole to extend minimum 6 inches and maximum 12 inches above finished grade or must have minimum 2' diameter concrete ring poured at grade. In paved area, cover must slope in all directions to match paving. 1/2'-� 1/8- RAISE- 1/2" WIDE BORDER 8" i� 15" CAST IRON RiNG AND COVER J14" SPACES SPACED-3/4" o ®® AS INDICATED -HT 118" ❑°❑ 0 12"0— FIBER JOINT- PACK/NG 1/8 BEND PIPE MA TERIA L A S SPECIFIED. CLEAN OUT DETAA PROPER TY LINE SIDE SEWER MAIN TO BUILDING SEWER ? FUTURE 6" SEWER PIPE ' 6. 0' BLDG SEWER 6" SIDE OUTLET TEE 2"X4" STUD SERVICE ARKER PA IN T UPPER P OR T/ ON WHI TE w AND S TEN CI L ON SIDE WORD "SEWER " WITH 3 " HIGH BLACK LETTERS. 0" SIDE SEWER & BUILDING SEWER PLAN 1: J. 5 MIX f NO TE.- CONCRETE , \ 60` ALLOWABLE MAX SIDE SEWER SHALL HA VE A BLOCKING FOR CAST OR MINIMUM 5' COVER AT PROPERTY DUCTILE IRON PIPE. LINE OR J-5' LOWER THAN THE 6"MIN 4 MAX LOWEST HOUSE ELEVATION, WHICH- 25' MIN EVER IS LOWER. 6 "MIN HORIZONTAL 6" SIDE OUTLET TEE SEWER MAIN CONC. BLOCKING ANGLE OF TEE A T MAIN OVER 25 ° ELEVA TION 25 " _Ax/j 29 MIN SLOPE HORIZONTAL TYPICAL SIDE SEWER ELEVA TION EXISTING SEWER MAIN _Z_ 6 " SIDE SEWER �i 6 "TES T TEE TO BE INSTALLED A T CONNECTION NO TE: MAKE TAP THROUGH CAST IRON SADDLE SECURED TO SEWER MAIN WITH STAINLESS STEEL BANDS WHEN CONNECTING NEW SIDE SEWERS TO EXISTING MAIN. VITRIFIED CLAY, PLAIN & REINFORCED CONCRETE, D 1 & C1 PIPE SEWER MAINS ARE TO BE CORE DRILLED. SIDE SEWER SERVICE DETAIL TYP. SEE SH TS. 14 - 19 MANHOLE FRAME Ar`'v`iD COVER SEE DRAWING BR2 g ADJUSTMENT 4" MIN. CONE MORTAR JOINTS 2 AY 6 112, CONRETE RISER BY PIPE INC. OR APPROVED EQUAL MAX. PIPE SIZE-21 " I.D. LADDER -STD. ALUMINUM OR GALVANIZED STEEL. CONCRETE SHELF PRECAST BASE SECTION OR CAST IN PLACE 6" MIN 6" MIN. SANITARY MANHOLE TYPICAL DETAIL (N7S) TYP. SEE SH TS. 15 & 16 NOTES: 1, STEPS TO BE 3/4" 0 DEFORMED BAR GALVANIZED SAFTEY STEPS OR EQUAL 2. STEPS ARE TO BE IN PLACE BEFORE MANHOLE SECTI❑NS ARE INSTALLED 3. CASTING TO BE ❑LYMPIC FOUNDRY MH30 WITH MH30 D/T OR EQUAL, PER DWG, BR29 4, MANHOLE SECTIONS TO BE OF REINF❑RCED PRECAST CONCRETE 5, ❑PENING SHOULD BE ON DOWNSTREAM SIDE. 6. ALL J❑INTS SHALL BE GROUTED, 7, SANITARY SEWER MANHOLES SHALL HAVE ALL INTERIOR SURFACES, INCLUDING CHANNELING, COATED (SEALED) WITH A HIGH S❑LIDS URETHANE C❑ATING; WASSER MC-CONSEAL OR APPROVED EQUAL; COLOR OF C❑ATING SHALL BE WHITE• BY BY BY BY BY A O ! m1i {1 • S=341414 Oz"R,5c`. .,0WG EFr:2 0 of 2 —Y ,-, , °�s- 4i6t- f A-t