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Home My WebLink AboutWWP2703663.2Utility Specifications Sanitary Sewer Notes and Specifications THESE NOTES SHALL APPEAR ON PROJECTS FOR THE WASTEWATER UTILITY. 1. All work and work material shall be in conformance 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. 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 approved 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. 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. A pre -construction 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 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. j 7. Plans approved by the City of Renton, Public Works Department shall take precedence j 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 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. 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 12. Datum for Vertical Control shall be North American Vertical Datum 1988 Meters, and for Horizontal Control shall be North American Datum 1983/1991 Meters unless otherwise approved by the City of Renton Public Works Department. Reference benchmark and elevations are noted on the plans. 13. 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/BuildingjPublic 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 gasketed ASTM D 3034, SDR 35, 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, 7' 1 F, NOT TO SCALE MANHOLE FRAME AND COVER SEE STD. PLAN 401 ADJUSTMENT RINGS (2' MIN.) SEE NOTE 6 MORTAR JOINT(S) (3/8" MIN.) SEE NOTE 5 CONE (ECCENTRIC) RUBBER GASKETED JOINTS IN ACCORDANCE WITH ASTM C-•443 STEPS - POLYPROPYLENE STEPS SHALL BE INCLUDED CONCRETE RISER BY PIPE INC., OR APPROVED EQUAL. LADDER -POLYPROPYLENE SHALL BE ATTACHED TO MANHOLE MAX. PIPE SIZE - 'E' CONCRETE SHELF PRECAST BASE SECTION OR CAST IN SHELF. 'A' `B' `C° I 'D' 'E' 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. NOTES: 1. STEPS TO BE POLYPROPYLENE SAFETY STEPS. 2. STEPS ARE TO BE IN PLACE BEFORE MANHOLE SECTIONS ARE INSTALLED. 3. CASTING SHALL BE PER STD. PLAN 401. 4. MANHOLE SECTIONS TO BE OF REINFORCED PRECAST CONCRETE. 5. ALL JOINTS BETWEEN THE CONE, RISER RINGS, BRICKS AND CASTING SHALL BE GROUTED. 6. ADJUSTMENT OF THE CASTING TO GRADE SHALL BE ACCOMPLISHED WITH A COMBINATION OF ADJUSTMENT RINGS, BRICKS AND MORTAR Qh, BRICKS SHALL BE STAGGERED TO CREATE A RUNNING BOND OR 1/2 BOND. THE USE OF SHIMS IS PROHIBITED, 7. SANITARY SEWER MANHOLES SHALL HAVE ALL INTERIOR SURFACES, INCLUDING CHANNELING, COATED (SEALED) WITH A HIGH SOLIDS URETHANE COATING; WASSER MC-AROSHIELD OR APPROVED EQUAL; COLOR OF COATING SHALL BE WHITE. 8. RUBBER GASKETED JOINTS SHALL BE IN CONFORMANCE WITH ASTM C-443. 9. CHANNEL HEIGHT SHALL BE A MINIMUM OF 3/4 OF THE INSIDE DIAMETER OF THE LARGEST PIPE. 10. CONNECTIONS TO MANHOLE SHALL BE MADE USING GPK ADAPTOR, KOR-N-SEAL BOOTS OR APPROVED EQUAL 11. IN UNIMPROVED AREAS, MANHOLES SHALL EXTEND A MINIMUM OF 6" AND A MAXIMUM OF 12" ABOVE FINISHED GRADE OR MUST HAVE A MINIMUM 2' DIAMETER CONCRETE RINGS POURED AT GRADE. IN PAVED AREAS, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING. PUBLIC WORKS STANDARD SANITARY MANHOLE tlifl. PLAN - 400.1 DEPARTMENT F T SEPTEMBER 2011 PROPERTY LINE z b ! FUTURE 6" BUILDING SEWER PIPE M BUILDING SEWER W Z POST PAINTED TEE WITH 6" SIDE OUTLET -' 2"x 4" STUD MARKING 6"X6"X6' WYE WHITE WITH THE WORD 'SEWER' STENCILED SURFACE: CLEANQUT WITH CAST IRON RING & COVER IN 3" HIGH BLACK LETTERS AND /6 WIRE THE STUD AND g (EAST JORDAN IRON WORKS WRAPPED AROUND EXTENDED TO THE TOP OF THE STUD. 2975 OR APPROVED EQUAL °- SPECIFY "SEWER' ON LID, SEE STD, PLAN 403,1 FOR 6" SIDE SEWER AND BUILDING SEWER INSTALunoN) ACCEPTABLE PROCEDURES FOR SIDE SEWER CONNECTIONS TO MAIN LINES ARE AS FOLLOWS: A. VITRIFIED CLAY MAIN - CUT IN A NEW TEE USING FLEXIBLE COUPUNGS (FERNCO OR APPROVED EQUAL). B. CONCRETE MAIN - CORE -DRILLED NTH A ROMAC SADDLE (OR APPROVED EQUAL). C. PVC MAIN - CORE: -DRILLED WITH A ROMAC SADDLE (OR APPROVED EQUAL) OR CUT IN A NEW TEE USING RIGID COUPUNGS, D. DUCTILE IRON MAIN - CORE -DRILLED WITH A ROMAC SADDLE (OR APPROVED EQUAL) E, MANHOLE CONNECTION - ALL CONNECTIONS TO MANHOLES SHALL BE AT MANUFACTURED KNOCK -OUTS OR THE STRUCTURE SHALL BE CORE --DRILLED. 60" ALLOWABLE MAX. FOR CAST IRON PIPE OR DUCTILE IRON PiPE. 1: 3: 5 MIX kh aG�,G G CONCRETE -� ° BLOCKING ✓ PLO G� 2X MIN SLOPE HORIZONTAL 6" SIDE OUTLET TEE SEWER 6" MIN, MAIN SEWER MAIN CONCRETE BLOCKING ANGLE OF TEE AT MAIN OM _2,5 ELEVATION TYPICAL SIDE SEWER ELEVATION NOTE: UNLESS OTHERWISE SHOWN ON PLAN, SIDE SEWER SHALL HAVE A MINIMUM 2.5' COVER AT PROPERTY LINE OR 3-5' LOWER THAN THE LOWEST HOUSE ELEVATION, WHICHEVER IS LOWER. PUBLIC WORKS c, rY ` STANDARD SIDE SEWER STD. PLAN - �•1 e( �. INSTALLATION - \\ DEPARTMENT I (SEINER MAIN TO PROPERTY LINE) SEPTEMBER 2011 EST - _.-._ W (SEE NOTE 4) LIMITS OF PIPE ZONE BEDDING MATERIAL FOR SANITARY SEWER PIPE (SEE NOTE 6) O.D. OF PIPE i FOUNDATION LEVEL BEDDING FOR SANITARY SEWER PIPE NOTES 1. PROVIDE UNIFORM SUPPORT UNDER BARREL. 2. HAND TAMP UNDER HAUNCHES. 3. COMPACT BEDDING MATERIAL TO 95% MAX. DENSITY EXCEPT DIRECTLY OVER PIPE. HAND TAMP ONLY. 4. SEE "EXCAVATION AND PREPARATION OF TRENCH" IN THE SANITARY SEWER SECTION OF THE STANDARD SPECIFICATIONS FOR TRENCH WIDTH "W" AND TRENCHING OPTIONS. THE PIPE ZONE WILL BE THE ACTUAL TRENCH WIDTH. 5. TRENCH BACKFILL SHALL CONFORM TO "BACKFILLING" IN THE SANITARY SEWER SECTION OF THE STANDARD SPECIFICATIONS, EXCEPT THAT ROCKS OR LUMPS LARGER THAN 1" PER FOOT OF PIPE DIAMETER SHALL NOT BE USED IN THE BACKFILL MATERIAL. 6. PIPE ZONE MATERIAL SHALL BE "GRAVEL BACKFILL FOR DRAINS" AS SPECIFIED IN THE AGGREGATES SECTION OF THE STANDARD SPECIFICATIONS. 7. PIPE MUST BE ANCHORED IN SUCH A MANNER AS TO ENSURE FLOW LINE IS MAINTAINED. � Y ° J? PUBLIC WORKS PIPE BEDDING SM. PLAN - 406 To DEPARTMENT FOR SANITARY S WERS MARCH 2O08 BOLTHOLES - 3 PLCS EQUALLY SPACED 120' APART ON 23 1/16' (586nn) DIA B.C. (SEE DETAIL) RENTi� N SEWER �MI� M IM COVER & FRAME PLAN VIEW 25' DIA. (635mml 1' 3/4' �25nr7] L19MMI 8 3/4' 2 1/2' 1222MI [64"n] TYP COVER SECTION VIEW 26 1/2' DIA I673mml 25 1/4' DIA L641mml 1 1/16' t223 ' TI)A C27mml 6'g4 5/8'DIA CL OPENC16mml94mm) /16' DIA L694mm) 34 1/8' DIA COVER BOTTOM VIEW BLT SOC. (ALLEN HEAD) 5/8'-11 X 1.5 SS RUBBER WASHER EON BOLTING DETAIL 1 1 1/16' C6AM C27rn] 13MMI1/8' nlCR3 GASKET GROOVE DETAIL Lt3t) I MM] N xii: FRAME 9FC I VIEW 1. ALL COVERS SHALL BE LOCKING UD PER EAST JORDAN IRON WORKS INC. No. 3717C1 OR EQUAL. 2. USE FRAME AND COVER FOR STORM (SPECIFY "DRAIN" ON COVER), SANITARY (SPECIFY "SEWER"), OR WATER (SPECIFY "WATER"). C-UAIR)- PUB` '"" WORKSMANI°I CIE AND COVER DF '.T"MEN'1' STD. PLAN - 401 DECEMBER 2008 LUA 07-140-SHP 7 M P Z O CV V) v all Cr v v v 0 3 a� U � Y «0 < 0 cn Z Z 0 BY DATE BY DATE 1114 BY DATECD BY DATE ,r m BY DATE w 'Q /fig` S-3GG3 03