The URL can be used to link to this page

Home My WebLink AboutS-393308Utility 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 & Specinca(Jons. 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 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 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 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 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 Specfications 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 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 T diameter concrete Ting poured at grade. In paved area, cover must slope in all directions to match paving. 7' L T_ PORTION OF THE NE 1/4 OF THE NW 1/4 SECTION 14, TOWNSHIP 23 NORTH, RANGE 5 EAST, W.M. CITY OF RENTON, STATE OF WASHINGTON NOT TO SCALE MANHOLE FRAIE Alp COVER SEE Sm. PLAN til ADaXSl]ENT RINGS (2" MIN.) SEE MOM 6 MORTAR JpNT(S) (3/6' MMI.) SEE NOTE 5 CONE (ECCENTRIC) MIBBER GASKETED MNTS IN ACCORDANCE WITH ASM C -N3 STEPS - POLYPROPYLENE STEPS SHALL K INCLUDED CONCRETE RISER BY PIPE INC., TRY APPFIOIiD EQUAL, LADDER-POIWROPULDNE SHALL BE ATTACHED TO MANHOLE MAX. PIPE SIS -'C CONCRETE SHELF PRECAST BASE SECTION OR CAST IN SHELF. 'A' IS. 'C' 'D'I E' 48" MH 46" 6' MIN. 5 -MIN 24' MIN. 21' LD. 54" MH 59' 8" MIN. $ 5 MIN 24" MIN 24` D 60' MH 60" 18" MIK 42" MIN 30 1.0. 1 NOTES, I. STEPS To BE POLYPROPYLENE SAFETY STEPS, 2. STEPS ARE TO BE IN PLACE BEFORE MANHOLE SECTIONS ARE INSTALLED. 3. CASING SHALL BE PER STD. PLAN 401. 4. MANHOLE YCIIONS TO BE OF REINFORCED PRECAST CONCRETE. 5. ALL JOINTS BETWEEN THE CONE, RISER RINGS, SPOKE AND CASING SHALL BE GROUTED. 6. ADJUSTMENT OF THE CASING To GRADE SHALL RE ACCOMPLISHED WITH A COMBINATION OF ADJUSTMENT RINGS. BRICKS AND MORTAR Q(LG BRIMS SHALL BE STAGGERED TO CREATE A RUNNING BOND OR 1/2 BOND. THE USE OF SHIMS IN PROHIBITED 7. SANITARY SEWER MANHOLES SHALL HAW ALL INTERIOR SURFACES, INCLUDING CHANNEUNG, COATED (SEALED) WITH A HIGH SOLIDS URETHANE COATING; WASBER MC-AROSHIELD OR APPROVED EQUAL', COLOR O COATING SHALL BE MIT. B. RUBBER GAWETED JOINTS SHALL BE IN CONFORMANCE 'MM ASTM C-443, 9, CHANNEL HEIGHT SHALL RE A MINIMUM OF 3/4 IY THE INSIDE DIAMETER OF THE LARGEST PIPE. 10. CONNECTONS TO MANHOLE SHALL BE MADE USING OPK ADAPTOR, KOR-N-SEAL BOOTS OR APPROVED EQUAL 11, IN UNIMPROVED AREAS, MANHOLES SHALL EXTEND A MINIMUM OF 6" AND A MAXIMUM of IY ABOVE FINISHED GRADE OR MUST HAW A MINIMUM T DIAMETER CONCRETE RINGS POURED AT GRADE. IN PAVED AREAS, CO ER MUST SLOPE IN ALL DIRECTIONS To MATCH PAYING. 4 jR PUBLIC WORKS @1D. PIJM - lOp] // DEPARTMENT STANDARD SANITARY MANHOLE sEPTEMeEa eou SEAL WIN AN 4000 OR APPROVED MAL AND CRY SAID AFTER PLAN PATCH NG NTS ]'-P ] PLL JOIMB BETWEEN TXECONE, I➢JO511%1lFMNG•v, WNVDE VA BRIMS AM FRAME SHALL LSIR 11® l'-P� CLASSDEPTH OF ASPHALT TOBE2 BBi 0 AOJOTMEMOF THE FRMIETONRPEF BNM3 BE HA.1. ACLOMI.IS,IEll WIRE ACIXARINTNHO AOp6TNEM RINGS. 9RICK4 AND Nomm 9_Y BIUM WALLED 3. RERACE EXCAVATED MATERIAL WIMAMINIMUM OF POF BOTOM OF THE UPPER CLASS W ASPHALT OR TO A DEPTH TUT IS T BKOW THE ORC OF WMRbFRONRRFHj. MOTION OF THE UPPER ADJUS11I RING WHICHEVER OREATFA ORAS AARTYED S V THE FNGIAEER MTNSLWNT FKU ON A MINIMUM Or 6" WHICHENR Is CHRATER MORTAR .p'NT(6) O/a' NN) YE ADJUST. NT NTNG (I- MN.) OR NOTE 3 AND SPECIN. PROMSo BRIMS SEE NOW 4 7 -Dain S`C-ON A -A 1. REMOVEPA%MEMAWAMEM MRI.LLBFORAOMTMCE ] PLL JOIMB BETWEEN TXECONE, I➢JO511%1lFMNG•v, WHICH IS EIXVI TO THE ONMETER OF THE FUME PUe FOUR BRIMS AM FRAME SHALL LSIR 11® FEET. ADlN8i G5TN6FUME TD PAT£MEM BIHLFK£ USING Mass RINGS ON CONCRETE BLCCNs PER TO RAN 0 AOJOTMEMOF THE FRMIETONRPEF BNM3 BE HA.1. ACLOMI.IS,IEll WIRE ACIXARINTNHO AOp6TNEM RINGS. 9RICK4 AND Nomm 9_Y BIUM WALLED 3. RERACE EXCAVATED MATERIAL WIMAMINIMUM OF POF STAGAMED TO CREATE A RUN NING p'ND OR 12 BCM THIS CLASS W ASPHALT OR TO A DEPTH TUT IS T BKOW THE ORC OF WMRbFRONRRFHj. MOTION OF THE UPPER ADJUS11I RING WHICHEVER OREATFA ORAS AARTYED S V THE FNGIAEER PUBLIC WORKS TYPICAL UTILITY COVER - - DEPARTMP.NT ADAYETMENT FOR PAVEMENT OR OVERLAY Y MINtI i "AS -BUILT" NOTE: "AS—BUILT" IS BASED ON A ACTUAL FIELD SURVEY BY TOUMA ENGINEERS AND INFORMATION SUPPLIED BY CONTRACTOR. C1 60068 2 =j�TOUMA ENGINEERS AND T00�"RAN SCALE I"�"NoISM"'r4m) CITY OF NE 2nd ST SEWER EXTENSION 1e FIRMS LSLAND SURVEYORS]PLLC Mw.E , RENTON SEWER DETAILS 255 SW 41st STREET � RENTON, WA 98057 MRu INHT a NAIL slard Plonning/Building/Public Works Dept. 9 PHONE (425) 251-0665 FAX (425) 251-0625 TAX LOT #142305-9092 NO. REVISION BY DATE APPR +^E*R'NONE S-393308