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Home My WebLink AboutS-399904Sanitary Sewer Notes and Specifications 1. All work and work material shall be in conformance with the standards and specifications of the City of Renton Planning/Building/Public Works [icpartment and the latest edition of the WSDOT/APWA Standards and Specifications, as ()pproved 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 ovoid 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 ail Construction- Contractoris 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 attain 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. B. 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 on as --built drawing of the sanitary sewer system, which has been stamped and Signed by a licensed professional engineer or licensed professional surveyor. 10, Backfiil 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 some as described. 11. Open cut road crossings for utility trenches on existing traveled roadway shall be bockfilled with crushed rock, and mechanically compacted unless otherwise approved by Utility Specifications 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. Ail 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/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 I 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. 12 7' MiN. T f NOT TO SCALE SECTION 14, TOWNSHIP 23 NORTH, RANGE 5 EAST, W.M. CITY OF RENTON, STATE OF WASHINGTON MANtIOLE i RAME AN: SEE STD. PL-AN 401 AD.1lJSIMENT RINGS 12" MIN.) SEE NOTE 6 MORTAR JOtNT(S) (3/6" MIN.) SEE NOTE S CONE (ECCENTRIC) RUBBER GASKETED JOINTS IN ACCORDANCE WITH ASTM C-44.5 STEPS - POLYPROPYLENE STEPS SHALL RE INCLIJDED CONCRETE RISER BY PIPE INC., OR APPROW 0 r QUAL. LADDER-PCI.YPROPYI FNF SiIALL BE ATIACHLO TO 1AANH0L1 MAX_ PIPE Si,C - .F COIN(R* TL SHELF PRECAST BASE SECTION OR CAST IN SHELF r A, I B, C. D, .E.� 48" Mai 48" 6" MIN. 5"MIN 24" MIN. 21" I.D. 54" MH 54_- 8" A6;N 5.5" MIN _.. 24" MIN. 24" I.D. MIN. 6" MIN.1 42" LflN. .50" I.D. fU015- 1. STEPS TO BF POLYIPR0I'YLENE SAFETY STOPS, 2, STEPS ARE TO BE IN H ACE BEFORE MANHOLE SEC110NS ARE INSI'AI-LED. 3. CASTING SHALL BE P(i' STD. PLAN Af)1- 4. MANI,OLF SECTIONS To FIF OF REINFORCED PRECAST CONCRF..TF- 5. ALL JOINTS BETWEEN 11,E CONE, RISER RINGS. BRICKS AN1D, CASTING SHALL BE GROUTED. 6. ADJUSTMENT OF THE (TASTING TO GRADE SHALL BE ACCOMPLISHED WITH A COMBINATION OF ADJUSTMENT RINGS, HP!CKS AND MORTAR ONLY. 641O,KS SHALL BE STACGFRFD To CREATE A ROMN1NG BOND OR 1/2 BCND. IHE USE OF SHIMS IS PROMI8!fED. 7. SANITARY SEWER MANHOLES SHALL HAVE ALL INTERIOR SURFACES, INCLUDING CHANNELING, COATED (SEALED) MATH A HIGH SOLIDS URETHANE COATING, wASSFR VC- AROSHIELD OR APPROVLD EQUAL. COLOR Of' COATING SHALL BE w iiTE. B. RUBBER GASKETED JOINTS SHALL BF 1N CONFORMANCE WITH ASTM C-443, 9 CHANNEL HEIGHT SHALL BE A MINIMUM OF .5/4 OF THE INSIDE DIAMETER OE THE LARGEST PPE. 113. CONNECTIONS TO MANHOLE SHALL BE MADE USING GPK ADAPTOR, KOR-N-SEAL BOOTS OR APPROVED EQUAL. 11 IN UN'MPROSFD AREAS. MANHOLES SHALI EXTEND A MINIMUM OF 6" AND A MAXiMUM OF 12" ABOVE FiNISPED GRADE CR MUST HAVE A MiNIM17M 2' DIAMETER CONCRETE RINGS P(?LIRED AT GLADE, IN PA'XD AREAS, COVFP. MUST LOPC •N As L. DIRECTIONS -0 MATi;H PAViNC. t PUBLIC WORKS DEPARTMENT PIe' STANDARD SANITARY MANHOLE PATCHED AREA u SEAL WITH AR 4000 OR APPROVED EQUAL AND ORY SAND AFTER PLAN PATCHING N TS SM. PLAN - 4001 SEP'rF;MBFR 20, : OUTSIDE DIAMETER OF (SEE NOTE 9) ADJUSTMENT RING AND X SEE NOTE 2 X I BOTTOM OF FRAME MORTAR JOINT(S) (3/8" MIN.-2" MAX.) `- ADJUSTMENT RING (I" MIN.). SEE SEE NOTE 3 AND SPECIAL PROVISION NOTE 6. 7-OS 3(111. SECTION A -A NOTES 1. REMOVE PAVEMENT AND BASE MATERIALS FOR A DISTANCE 5. CONSTRUCTION AND ADJUSTMENT SWILL BE PERFORMED WHICH IS EQUAL TO THE DIAMETER OF THE FRAME PLUS ONE ONLY BY A JOURNEYMAN MASON. FOOT (k".), ADJUST CASTING FRAME TO PAVEMENT SURFACE USING RISER RINGS AND MORTAR 6. ADJUSTMENT OF THE FRAME TO GRADE SHALL BE ACCOMPLISHED WiTH ADJUSTMENT RINGS AND MORTAR ONLY. 2- REPLACE EXCAVATED MATERIAL WITH A MINIMUM OF 9" OF THE USE OF SHMS iS PROfMBRED- HMA CLASS }" PG 64-22 (OR TO A DEPTH THAT IS r BELOW THE 8Cr TOM OF THE UPPER ADJUSTMENT RING V"CfEVER 7. FRAME SHALL BE ADJUSTED TO PAVEMENT GRADE BY IS GREATER) OR AS APPROVED BY THE ENGINEER. TAPPING UNTIL FRAME 13 FLUSH WrTH PAVEMENT AS DETERMtWD WITH A STRA#Off EDGE OF SUFFICIENT LENGTH. 3- ADJUSTMENT RW3$ AND FRAME SHALL BE FULLY BEDDED IN MORTAR. MORTAR SHALL BE ASTM C270 FOR TYPE S. 8. ALL MORTAR "W S SHALL BE TRIMMED FLUSH AND REMAIN VISIBLE UPON COMPLETION.4. MORTAR SHALL BE MIXED AND APPLIED PER MANUFACTURERS DIRECTIONS. 9. X- T-T MIN. TO Z•6' MAX. - PER ENGINEER'S INSTRUCTION STD. PLAN - 106 TYPICAL CONSTRUCTION RoVEO: PUBLIC WORKS DEPARTMENT AND ADJUSTMENT OF U, r,� 1�1 MANHOL E RISERS auo d DA "ffTOUMA ENGINEERS AND LAND SURVEYORS,PLLC 255 SW 41st STREET N RENTON, WA 98057 PHONE (425) 251-0665 FAX (425) 251-0625 NO. REVISION VARIES' 4.5' MIN. ^- SAWCUT AFTER BACKFILL DEPTH OF EXISTING PAVEMENT 2" - 6" HMA EDGE OF PAVEMENT, EDGE (SEE NOTE 2) 1' 1' OF CURB & GUTTER, OR MIN. MIN. CENTER or LANE MARKING Z2- LIMA (SEE NOTE 2) 6" CRUSHED SURFACING TOP COURSE (CSTC) (9-03.9(3)) PER WSDOT STANDARD 2" SAWCUT AND REMOVE SPECIFCATiONS, COMPACTED TO 95% OR PLANE, SEAL WITH MODIFIED PROCTOR AR-4000W CSTC, BANK RUN GRAVEL FOR TRENCH BACKFILL (9-0.3.19). GRAVEL BORROW (9-0.3.14(1)) PER ---- WSDOT STANDARD SPECIFICATIONS OR NATIVE MATERIAL IF APPROVED IN WRITING BY ENGINEER BASED ON GEOT'-CH REPORT, COMPACTED TO WIDTH of TRENCHAS REQUIRED BY SIZE OF 95% MODIFIED PROCTOR. PROPOSED IMPROVEMENT (SEE WSDOT STANDARD SPECtFICAT10N 2-09.4) PLUS AN PIPE ZONE BEDDING MATERIAL AND COMPACTION AS ALLOWANCE FOR ANY SHORING SHORING, IF REQUIRED BY THE WSDOT STANDARD SPECIFICATIONS NEEDED, SHALL MEET THE REQUIREMENTS OF FOR THE TYPE OF IMPROVEMENT INSTALLED, EXCEPT: WSDOT STANDARD SPECIFICATION 7-08.3(1)B * FOR STORM AND WATER PIPE, PER STD PLAN 220,0 * FOR SANITARY SEWER, PER STD PLAN 405 TRENCH WIDTH * FOR JOINT UTILITY TRENCH, SAND WITH 95% PASSING A #4 SIEVE AND LESS THAN 5% PASSING A #200 SIEVE NOTES: 1 WHEN FXISTING PAVEMENT IN A LANE REQUIRING A FULL WIDTH REPLACEMENT IS BP.OKE14 OR DETERIORATED TO A PAVEMENT CONDITION INDEX RATING OF 70 OR LESS, THE EXISTING PAVEMENT IN THAT LANE, AND FOR THAT DISTANCE SO CLASSIFIED, SHALL BE REMOVED AND REPLACED WITH HMA MATCHING THE OEPTH USED IN THE EXISTING STREET OR THE DEPTH PER C11Y STANDARD, WHICHEVER IS GREATER. 2 PRINCIPAL/ MINOR/COLLE'CTOR, ARTERIAL, & INDUSTRIAL. ACCESS STREETS - MATERIAL AND THICKNESS SHALL BE HMA Ct. �" PG 64-22 AND MATCH EXISTING THICKNESS AND IN NO CASE LESS THAN 6". RESIDENTIAL ACCESS STREETS -- HMA CL 4" PG 64-27. THE THICKNESS SHALL BE THAT OF THE.- EXISTING PAVEMENT' SECTION AND iN NO CASE LESS THAN 4'. 3. WHEN THE "SAWCUT AFTER BACKFILL" ENCROACHES INTO AN ADJACENT LANE, CURB & GUTTER OR SHOULDER, THE AFFECTED LANE SHALL BE PLANED AND OVERLAID WITH HMA FULL WIDTH, THE CURB & GUTTER SHALL BE REMOVED AND REPLACED, OR THE `,BOULDER SHALL BE PLANED OR REMOVED AND OVERLAID WITH HMA. 4. IF TRENCH UNDERMINES EXISTING SIDEWALK AND/OR CURBS, )HEN THE SIDEWALK AND/OR CURB SHALL BE REPLACED FROM EXPANSION JOINT TO EXPANSION JOINT- 5. IF TRENCHING THROUGH EXISTING DRIVEWAY OR SIDEWALK RAMP. THE DRIVEWAY OR SIDEWALK RAMP SHALL BE REPLACED TO MEET ADA STANDARDS. TYPICAL LONGITUDINAL PATCH SM. PLO - 110.1 PUBLIC WORKS FOR FLEXIBLE PAVEMENT OR I')'R. ', l',11 DEPARTMENT RIGID PAVEMENT WITH OVERLAYAlk :r SPECIAL NOT IN THE EVENT TRANSVERSE PATCHES EXIST WITHIN THE AFFECTED STREET, THE LENGTH OF THE PATCH SHALL BE EXTENDED TO INCLUDE ANY EXISTING PATCH WITHIN 10 FEET OF THE EDGE OF THE PATCH REOUIRED FOR THE NEW CROSSING AND ANY SUBSEQUFNT PATCH EDGE WITHIN 10 FEET Of THE EDGE OF THE SECOND PATCH AND 50 ON UP TO A TOTAL OF 300 FEET 1' t' VARIES 1 1' MIN MIN MIN MIN i I 1RAFfIC FLOW / I 2- HMA - 2" TO B" HM 2' SAWCUL AND REMOVE - OR PLANE. SEAL. WITH AR - 4000 W (EACH SIDE) 2- HMA SAWCUT AFTER BACKFILL (EACH :IOE) I A {� i fit 1.--- 6.5' MIN. 2" DEPTH OF PLANING OR SAWCUT AND REMOVE VARIES. 6.5' MIN. 1 I V VARIES { 1 1 MIN MIN I I MIN MLN WIDTH OF TRENCH AS REQUIRED BY SIZE Of PROPOSED IMPROVEMENT (SEE WSDOT STANOARD SPECIFICATION 2-U9 4) PLUS AN ALLOWANCE FOR ANY SHORING. SHORING, IF NEEDED, SHALL MEET THE REQUIREMENTS OF WSDOT STANDARD SPECIFICATION"-08 3(1)8 TRENCH WID IN FACE OF GUTTER OR EDGE OF PAVEMENT CENTER LINE DR LANE LINE DEPTH OF EXISTING PAVEMENT \ __ 2" - 6" MIN. HMA (SEE NOTE 2) 6" CRUSHED SURFACING TOP COURSE (CSTC) (9-039(3)) PER WSDOT STANDARD SPECIFICATIONS. COMPACTED TO 95% MODIFIED PROCTOR- CSTC. BANK RUN GRAVEL FOR TRENCH BACKFILL (9-03.19), GRAVEL BORROW (9-03.14(t)) PER WSDOT STANDARD SPECIFICATIONS OR NATIVE MATERIAL IF APPROVED IN WRITING BY ENGINEER BASED ON GEOTECH REPORT, COMPACTED TO 95% MODIFIED PROCTOR. PIPE ZONE BEDDING. MATERIAL- SEE STANDARD PLAN 110.1. FOR NOTES, SFE STANDARD PLAN 110,1 0 TYPICAL. TRANSVERSE PATCH FOR STD. PLAN - 110 PUBLIC WORKS FLEXIBLE PAVEMENT OR RIGID I'1t F.17 DEPARTMENT I" J10 PAVEMENT VV TM OVERLAY )'AS -BUILT" NOTE: "AS --BUILT" IS BASED ON A ACTUAL FIELD SURVEY BY TOUMA ENGINEERS AND INFORMATION SUPPLIED BY CONTRACTOR. TOUMA 1 20' ffl Z01ITAL' W 19W/11f9T I Y CITY OF TOUMA RENTON CHECkW- HT f AT F„LLL SCALEPlanning/Building/Public Works Dept. F NOT ONE P CN BY DATE APPR Ammo- I SMI AG"" Y S-399904 APPROVED FOR CONSTRUCTION SUBJECT TO ERRORS AND OMISSIONS 156th AVE SE SEWER EXTENSION SEWER NOTES PERMIT NUMBER C 18000328 00 0 0 MO W NNE 0 O 0 0 0 00 r-- 0 W i< W GATE r"' 10/17/2016 FI: IMME. 917003B SLEET: 4 OP 7