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Home My WebLink AboutWWP2703371.9SANITARY SEWER NOTES AND SPECIFICATIONS (CITY OF RENTON STANDARDS, d a a 0 _z 0 z Q J W i- 0 U 0 cli 6 A CN M M 0 0 J G .j 0 Vl F L° 9 N 0 d a T _U.) a rn 1. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATION OF THE CITY OF RENTON U77LITY DEPARTMENT AND THE LATEST EDITION OF THE WSDOT/APWA STANDARDS AND SPECIFICATIONS. 2. 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. 3. 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. 4. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND SEQUENCES OF CONSTRUC7ION AND FOR THE SAFETY OF WORKERS AND OTHERS ON THE CONSTRUCTION SITE. 5. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND ANY OTHER RELATED PERMITS PRIOR TO ANY CONSTRUCTION. 6. PLANS APPROVED BY THE CITY OF RENTON, PUBLIC WORKS DEPARTMENT SHALL TAKE PRECEDENCE OVER ALL OTHER PLANS. 7. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 8. 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. 9. BACKFILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE IN LAYERS KITH A LOOSE AVERAGE 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 FILL OVER PIPE SHALL BE THE SAME AS DESCRIBED. 10. OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING TRAVELED ROADWAY SHALL BE BACKFILLED WITH CRUSHED ROCK AND MECHANICALLY COMPACTED. CUTS INTO THE EXISTING ASPHALT SHALL BE NEATLINE CUT WITH SAW IN A CONTINUOUS LINE. A TEMPORARY MIX PATCH MUST BE PLACED IMMEDIATELY AFTER BACKFILL AND COMPACTION. A PERMANENT HOT MIX PATCH SHALL BE PLACED WITHIN 10 DAYS AND SHALL BE PER CITY OF RENTON CURRENT STANDARDS. 11. DATUM SHALL BE CITY OF RENTON, 1988 NAVD. 12. 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 COMPLE77ON OF CONSTRUCTION. 13. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7 OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION. 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. 14. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35, OR DUCTILE IRON CLASS 50. 15. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCHES AND MAXIMUM 12 INCHES ABOVE FINISHED GRADE. IN PAVED AREA, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING. 3350 Monte Villa Parkway Bothell, Washington 98021-8972 (425)951-4800 (425)951-4808 whpacific. com Planners • Engineers • Surveyors - Landscape Architects THE LANDING M MORTAR FILLET NEW A.C. PAVEMENT 1 'MIN. , I 1 'MIN. I MANHOLE FRAME AND COVER SEE CITY OF RENTON STD. BR29 ADJUSTMENT (4" MIN.) CONE RUBBER GASKETED JOINTS IN ACCORDANCE WITH ASTM C-443 STEPS - 3/4" DEFORMED BAR STEPS SHALL BE INCLUDED CONCRETE RISER BY PIPE INC., OR APPROVED EQUAL. MAX. PIPE SIZE - `E' LADDER -STD. ALUMINUM OR GALVANIZED STEEL CONCRETE SHELF PRECAST BASE SECTION OR CAST IN SHELF. NOTES: 1. STEPS TO BE 3/4" 0 DEFORMED BAR GALVANIZED SAFETY STEPS OR EQUAL. 2. STEPS ARE TO BE IN PLACE BEFORE MANHOLE SECTIONS ARE INSTALLED. 3. CASTING TO BE PER CITY OF RETON STD. BR29. 4. MANHOLE SECTIONS TO BE OF REINFORCED PRECAST CONCRETE. 5. ALL JOINTS SHALL BE GROUTED. 6. SANITARY SEWER MANHOLES SHALL HAVE ALL INTERIOR SURFACES, INCLUDING CHANNELING, COATED (SEALED) WITH A HIGH SOLIDS URETHANE COATING; WASSER MC-CONSEAL OR APPROVED EQUAL; COLOR OF COATING SHALL BE WHITE. 7. RUBBER GASKETED JOINTS SHALL BE IN CONFORMANCE WITH ASTM C-443. 8. CHANNEL HEIGHT SHALL BE A MINIMUM OF 3/4 THE INSIDE DIAMETER OF THE LARGEST PIPE. 9. CONNECTIONS TO MANHOLE SHALL BE MADE USING GPK ADAPTOR, KOR-N-SEAL BOOTS OR APPROVED EQUAL. t A f tD> t C 0 t.D,.. tEf 48" MH 48" 6" MIN. 5"MIN 24" MIN. 21" I.D. 54" MH 54" 8" MIN. 5.5" MIN. 24" MIN. 24" I.D. 60" MH 60" 8" MIN. 6" MIN. 42" MIN. 30" I.D. SANITARY SEWER MANHOLE TYP. DETAIL 1 SCALE: N. T.S. (RENTON DETAIL B 071) C9.0 - 6-112- MIN. CSBC 95% OF MAX. DRY DENSITY PER ASTM D1557 3" A.C. CLASS B ' 959 OF MAXIMUM 4' MIN. "' DRY DENSITY PER "� �'' ! ••'. ASTM D1557 92% OF MAXIMUM ,c DRY DENSITY PER '' a•'. a e ASTM D1557 6" MIN SEE PIPE BEDDING + Z PIPEO.D. o DETAIL N W \'4" MIN. a FOUNDATION LEVEL *W MAX. NOTE: SHORING SHALL COMPLY WITH THE REQUIREMENTS OF SECTION 7-08.3(1)8 "SHORING" *W MAX = 1.5 X PIPE I.D. + 18" MIN. OF THE 2002 WSDOT/APWA FOR PIPE I.D. -, 18"1D. STANDARD SPECIFICATIONS FOR 27" PIPE I.D., W MAX = 4'-10" TRENCH DETAIL SCALE: N. T.S. SURVEYED: DESIGNED: HCS DRAWN: HCS CHECKED: SRS REVISION BY DATE APPR APPROVED: JMTE 2 C9.0 ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY VERTICAL- NAYD 1988 HORIZONTAL: HAD 1983/1991 DATUM FOUNDA 77ON LEVEL DETECTABLE - MARKING TAPE W FLEXIBLE PIPE ALTERNATE VERTICAL TRENCH ALTERNATE LAID-BACK TRENCH BEDDING MATERIAL NOTES.- 1. PROVIDE UNIFORM SUPPORT UNDER BARREL. 2. HAND TAMP UNDER HAUNCHES. 3. COMPACT BEDDING MATERIAL TO 959 MAXIMUM DENSITY EXCEPT DIRECTLY OVER PIPE. HAND TAMP ONL Y. 4. REFER TO STANDARD SPECIFICATIONS FOR CALCULATION OF TRENCH WIDTH, WHICH SHALL BE THE MAXIMUM TRENCH WIDTH. PIPE BEDDING DETAIL SCALE. N. T.S. . CITY OF RENTON Planning/Building/Public Works Dept. L EXPIRES: 08/28/07 5. REFER TO STANDARD SPECIFICATIONS FOR FOUNDATION, BEDDING AND BACKFILL MATERIAL REQUIREMENTS. 6. COMPLY WITH ALL SAFETY ORDERS RELATING TO TRENCH CONSTRUCTION. �9.o 43.33�10� Checked for Compliance to City Standards THE LANDING HARVEST PARTNERS SANITARY SEWER NOTES & DETAILS LOT 4 ca:5--W7,r,; _ Juhtl AI - N N N DATE: 03/12/07 PAGE: 1� 00 x z �N o r, W W 0