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HomeMy WebLinkAboutWWP2703596.1NW 1/4 OF SEC. 13, TWP. 23N, RGE. 5E, W.M., KING COUNTY, WA GOVERNING AGENCIES I SEWER CITY OF RENTON I 1055 S. GRADY WAY RENTON, WA 98057 I I I CONTACT. ARNETA HENNINGER PHONE: (425) 430-7298 I, GRAPHIC SCALE o I� — `; I 30 0 25 30 100 200 EXISTING DRAINFIELD TO BE Id I -' DECOMMISSIONED DURING PHASE 2. CONTRACTOR TO OBTAIN SEPARATE PERMIT �1 IN FEET 1 FROM KING COUNTY HEALTH DEPT. 11WO ------ ----- dH per — w J I, U Z U W w W TERRAFORMA DESIGN GROUP, INC. CIVIL ENGINEERING & LANDSCAPE ARCHITECTURE _ 5027 51st Avenue SW Seattle WA 98136 phone 206.923.0590 41F webefte www.terraformadesigngroup.com 1 h U 35M TONAL 3/ 16/ 11 3•rk •' ( 1 TDG JOB# — 10006 NO. OVERALL SEWER PLAN REVISED PER CITY COMMENTS PERMIT SUBMITTAL REVISION SURVEYED: PAD DESIGNED: PAD PAD 3 16 11 PAD ': PAD PAD 1 25 11 PAD CHECKED: PAD BY DATET APPR APP: A7."_9° ,s�aslzvo -. [or f VERTICAL: NAVD 19BB 1 50' HORIZONTAL NAD 1983/1991 "= ONE INCH DATU M AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY SHEET INDEX - SEWER C6.1 SEWER COVER SHEET C6.2 SEWER PLAN C6.3 SEWER PROFILES C6.4 STANDARD SEWER DETAILS 359601 �s CITY OF RENTON Planning/Building/Public Works Dept. VICINITY MAP SCALE: N.T.S. PROJECT TEAM CIVIL ENGINEER TERRAFORMA DESIGN GROUP, INC. 5027 51ST AVENUE SW SEATTLE, WA 98136 CONTACT: PEDRO DEGUZMAN, PE PHONE: (206) 923-0590 EMAIL: pedro®nwlink.com APPLICANT / OWNER / DEVELOPER ISSAQUAH SCHOOL DISTRICT 565 NW HOLLY STREET ISSAQUAH, WA 98027 CONTACT: STEVE CRAWFORD, (425) 837-7041 CONTACT. MIKE ARCHER, (425) 837-7040 SEWER CONSTRUCTION GENERAL NOTES 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 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 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 THE CITY. 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/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 2" DIAMETER CONCRETE RING POURED AT GRADE. IN PAVED AREA, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING. DATE: BRIARWOOD ELEMENTARY SCHOOL 1/25/1 > for FIELDBOOK: ISSAQUAH SCHOOL DISTRICT DACE DRAwIND No: 17020 SE 134th Street, Renton, WA 98059 C6 • SEWER COVER SHEET SHEET: OF: A