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Home My WebLink AboutWWP2703817.2r C d Q 0) 1211-011 Lii (n .j L Q V) LLJ C) W L W V L V!'' 7d L N k ck 14- Y � � p� 4 Y W 3 C. U N a I O Z Z O (n W O Z Utility Specifications Sanitary Sewer dotes 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 pians 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 iocation 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. 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 cornpletior 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 s0 that the entire length of the pipe will be supported or 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 L B, I PORTI1.DN OF THE NE 1 /4 OF THE NW 1 4 SECTION 14, TOWNSHIP 2:3 NORTH, RANGE � EAST, .Ms CITY OF RENTON, STATE OF WASHINGTON 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-4-43 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' 'E' 48" 6" MIN. 5"MIN 24" MIN. 21" 1.0. a 54" 8" MIN. 5.5" MIN. 24" MIN. 24" I.D. 60" 8" MIN. 1 6" MIN. 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 ONLY, 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. *, g PUBLIC WORKS STANDARD SANITARY MANHOLE SM. PLAN - 400.1 DEPARTMENT SEPTEMBER 2011 I LANE LINE MARKING i STANDARD VEHICLE WHEEL PATH 3' _T 4.5' 3' 'I MIN. MIN. > MIN. j Ll' 1 ACP CLASS* MiN. MIN. / \ 6" CRUSHED i 2" CLASS 'B' SURFACING TOP i COURSE 2" SAWCUT AND REMOVE EDGE OF PAVEMENT, ' OR GRIND, SEAL WITH EDGE OF CURB & GUTTER, AR4000W OR CENTER OF LANE LINE L2__ I MIN. -- CRUSHED ROCK, PLOWABLE FILL. OR AS REQUIRED BY ENGINEER *MINIMUM ACP CLASS 'E' or 'B' SHALL BE: PRINCIPAL/MINOR/COLLECTOR ARTERIAL STREETS & INDUSTRIAL. i ACCESS STREETS -- 6" ACP CLASS 'E' or 'B'. iRESIDENTIAL ACCESS STREETS - 2" ACP CLASS 'E' or 'B'. NOTE: UPON REQUEST OF ENGINEER, NEW ROADWAY PAVEMENT I SECTION MAY BE DESIGNED USING AN APPROVED METHOD FOR TYPICAL LONGITUDINAL, PATCH AND OVERLAY 1 DETERMINING PAVEMENT THICKNESS. FOR FLFDUBLE PAVEMENT ADOPTED C ff OF RRMN ., oLSY DATE: 02/05 't MODRED er�ahs -_ 0cv ue� o� Mmr�D ratEs HATE I DMACIfNu DC I ^z I DW('. NAUF• WI)A9 co aar_r• ur<zh 6" BUILDING SEWER PIPE TEE WITH 6" SIDE OUTLET 1:3:5 MIX CONCRETE BLOCKING PROPERl`! LINE 3' 4.. C _�FU 1711RE BUILDING SEWER w z 2"x 4" STUD MARKING POST PAINTED _J 6 X6 X6" WYE WHITE WITH THE WORD "SEWER' STENCILED SURFACE CLEANOUT WITH IN 3'" HIGH BLACK LETTERS AND /6 WIRECAST IRON RING & COVER w WRAPPED AROUND THE STUD AND o- (EAST JORDAN IRON WORKS EXTENDED TO THE TOP OF THE: STJO. 2 2975 OR APPROVED EQUAL; a SPECIFY 'SEWER' ON LID, 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 RIGID COUPUNGS. D. DUCTILE. IRON MAIN - CORE -DRILLED WITH A ROMAC SADDLE (OR APPROVED EQUAL) E. MANHOLE CONNECTION - ALL CONNEGgONS 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. `- 6" SIDE OUTLET TEE SEWER MIN. MAIN CONCRETE BLOCKING ANGLE OF TEE AT MAIN OVER 25 ELEVATION SEWER MAIN 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. oU� /MPS HORIZONTAL III EiJLOWFO I " • c1 I STANDARD SIDE SEWER PUBLIC WORKS INSTALLATION DEPARTMENT i �n;T (SEWER MAIN TO PROPERTY LINE) SEPTEMBER 20" i i RECOMMENDED FOR APPROVAL 10S 9P, �B ATE �7_0 BY DATE BY ____ DATE BY DATE BY DATE S=38 1702 SEV�E� a L = Z = y Z C �o M i M Z Z z M D I D n 0 0 0 c e � cn c m rn m � z Z m O D "0 $ � N CD 1 CL O� 3 l � N �' N 1 tZI n I