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HomeMy WebLinkAboutWWP2703663.331 Utility 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 an 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-cor0 „ ion conference and a 24 hour notice shall be required prior to starting new cony- 1, on. It shall be the contractors responsibility to secure all necessary permits p ; _3t 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. I 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. i 8. A copy of these approved plans must be on the job site whenever construction is in progress. I 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 Departrnent 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 bop 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 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' 'D' 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 QNLY, BRICKS SHALL BE STAGGERED TO CREATE A RUNNING BOND OR 1 /2 BOND. THE USE OF SHIMS IS pgoHIEMTEp, 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. � PUBLtc woRxs am. PLAN- 400•1 DEPARTMENT * ' STANDARD SANITARY MANHOLE SEPTEMBER 2011 PROPERTY LINE i FUTURE 6" BUILDING SEWER PIPE BUILDING SEWER W Z 2"x 4" STUD MARKING POST PAINTED TEE WITH 6" SIDE OUTLET 6"X6"X6' WYE WHITE WITH THE WORD 'SEWER" STENCILED SURFACE CLEANOUT WITH CAST IRON RING & COVER IN 3" HIGH BLACK LETTERS AND6 HARE WRAPPED AROUND THE STUD AND IL (EAST JORDAN IRON WORKS 0 2975 OR APPROVED EQUAL, EXTENDED TO THE TOP OF THE STUD. a_ SPECIFY 'SEWER" ON LID, 6" SIDE SEWER AND BUN+ nIN�g SEE STD. PLAN 403.1 FOR INSTALLATION) ACCEPTABLE PROCEDURES FOR SIDE SEWER CONNECTIONS TO MAIN LINES ARE AS FOLLOWS: A. VITRIFIED CLAY MAIN - CUT IN A NEW TEE USING FLEXIBLE COUPLINGS (FERNCO OR APPROVED EQUAL). B. CONCRETE MAIN - CORE -DRILLED WITH 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 MC40 COUPLINGS. 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 CONCRETE BLOCKING `- 6" SIDE OUTLET TEE SEWER 6" MIN. MAIN CONCRETE BLOCKING ANGLE OF TEE AT MAIN OVER 25 E FVAnOr,I 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. MAIN OG ot�G L✓� 2% MIN SLOPE HORIZONTAL ��� Y v PUBLIC WORKS STANDARD SIDE SEWER STD. PLAN - 406.1 * DEPARTMENT INSTALLATION `; ,j, o (SEWER MAIN TO PROPERTY LINE) SEPTEMBER 2011 BEDDING MATERIAL FOR SANITARY SEWER PIPE (SEE NOTE 6) -----\ FOUNDATION LEVEL a 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. SF- _-1VATION AND PREPARATION OF TRENCH" IN THE SANITARY :TION 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. ZY PUBLIC WORKS PIPE BEDDING STD. PLAN - 405 DEPARTMENT FOR SANITARY SEWERS MARCH 2O08 BOLTHOLES - 3 PLCS EQUALLY SPACED 120" APART (IN 23 1/16' (586nro) DIA B.C. (SEE DETAIL) _00� RENTON SEWER w� w ur COVER & FRAME PLAN VIEW 25' DIA. C635nn1 1' 3/4' r C25nM7 119nnl __.Ij.LL1LL 8 2 lf2' C222mm2NhnI 164nrtl TYP COVER SECTION VIEW 26 1/2' DIA C673nn1 25 1/4' DIA C641nn1 1 1/16' NEOPRENE (Erin) p 27r,n3 NEOPRENE GASKET C15j nn] 5/8' 23 3/8' DIA CL OPEN 116nnl 1594mml 27 5/16' DIA C694nn1 34 1/8' DIA roe -7 I _ COVER BOTTOM VIEW BL_T SOC. (ALLEN HEAD) 5/8'-11 X 1.5 SS RUBBER WASHER EON BOLTING DETAIL 1/4' I tail 1 1/16' [27nn1 13nnl 1/8, IR3nnl GASKET GROOVE DETAIL nn NOTES: FRAME SECTION VIEW 1. ALL COVERS SHALL BE LOCKING I..ID 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"). PUBLIC WORKSNTD. PLAN - 401 ��'�►1 DEPARTMENT MANHOLE FRAME AND COVER i DECEMBER�2O�� 4 LUA 07-140-SHPLI 1C. C v 0 V `8 a I 4-1 W� 3" rw� v 2j WU) Q 0 J � I 1�� �h L. N Q. S=366302J Q- CL FQ- or_ C, 947(3 � �.rsT�� � z SIONAL.�� < Q z ct Cn RECOMMENDED FOR APPROVAL BY DATE ,,5' B DATE N 0 BY DATE N BY DATE X M m 04 Sr- :2 C) BY DATE W0C irl rn z� Zm � m ww ,, �v z� rm > x W