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HomeMy WebLinkAboutS-224502SANI TAR Y SEWER NOTES & SPECIFICATIONS 1. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON UTILITY DEPARTMENT AND THE LATEST EDITION OF THE WSDT /APWA STANDARDS AND SPECIFICATIONS. 2. THE HOURS OF WORK IN THE STREET RIGHT —OF —WAY SHALL BE LIMITED TO 8:30 A.M. TO 3: 30 P.M. ON WEEKDAYS UNLESS OTHERWISE APPROVED IN WRITING BY THE DEPARTMENT OF PUBLIC WORKS AT 235 -2620. ALL STREET CLOSURES, PARTIAL, OR FULL, SHALL BE APPROVED BY THE DEPARTMENT OF PUBLIC WORKS 24 HOURS IN ADVANCE. THE POLICE DEPARTMENT, AND 911 SHALL BE NOTIFIED 24 HOURS IN ADVANCE. J. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH "STANDARD SPECIFICA7ONS FOR MUNICIPAL PUBLIC WORKS CONSTRUCTION" PREPARED BY WASHINGTON STATE CHAPTER AMERICAN PUBLIC WORKS ASSOCIATION, LATEST EDITION (APWA) AND CITY OF RENTON STANDARD SPECIFICATIONS. 4. 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. 5. A PRE— CONSTRUCTION CONFERENCE AND A 24 HOURS NOTICE SHALL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO STAR77NG CONSTRUCTION. (INSPECTION WILL BE ACCOMPLISHED BY A REPRESEN.TA77VE OF THE CITY OF RENTON). IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE UTILITY DEPARTMENT 24 HOURS IN ADVANCE OF BACKFILL ALL CONSTRUCTION. 6. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND SEQUENCES OF CONSTRUCTION AND FOR THE SAFETY OF WORKERS AND OTHERS ON THE CONSTRUCTION SITE. 7. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND ANY RELATED PERMITS PRIOR TO ANY CONSTRUCTION. 8. PLANS APPROVED BY THE CITY OF RENTON, PUBLIC WORKS DEPARTMENT SHALL TAKE PRECEDENCE OVER ALL OTHER PLANS. 9. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 10. 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 OF LICENSED PROFESSIONAL SURVEYOR. 11. 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. 12. OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING TRAVELED ROADWAY SHALL BE 13ACKFILLED WITH CRUSHED ROCK AND MECHANICALLY COMPACTED. CUTS INTO THE EXISTING ASPHALT SHALL BE NEATLINE CUT WITH A SAW IN A CONTINUOUS LINE. • TEMPORARY MIX PATCH MUST BE PLACED IMMEDIATLY AFTER BACKFILL AND COMPACTION. • PERMANENT HOT MIX PATCH SHALL BE PLACED WITHIN 10 DAYS AND SHALL BE PER CITY OF RENTON CURRENT STANDARDS. 13. DATUM SHALL BE CITY OF RENTON, U.S.C. AND G. S. 14. ALL DISTURBED AREAS SHALL BE SEEDED AND, OR MULCHED OR OTHERWISE STABILIZEDTO THE SATISFACT70N OF THE DEPARTMENT FOR THE PREVENTION OF ON —SITE EROSION AFTER THE COMPLETION OF CONSTRUCTION. 15. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7- 02.3(1) OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION. 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" ABOVE AND BELOW THE PIPE. 16. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35, OR DUCTILE IRON CLASS 50. 17. IN UN— IMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCH AND MAXIMUM 18 INCH ABOVE FINISHED GRADE. IN PAVED AREA, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING. WAMPAU i A( I j i i i i g 18 17 16 15 14 13 12 11 10' 9 8 `7 6 1 PROPERTY LINE SIDE SEWER MAIN TO �BUILDING SEWER T I- U I UffL 6" SEWER PIPE 6 ° I BLDG SEWER SIDE OUTLET TEE ?; 2 "X4"' STUD SERVICE 4ARKER PAINT UPPER PORTION WHITE a AND STENCIL ON SIDE WORD "SEWER" WITH 3" HIGH a BLACK LETTERS. 6" SIDE SEWER & BUILDING SEWER PLAN E4 "x 6" FRAME AND LIP PER DRAWING BR29. 6 SIDE SEWER 1:3.•5 MIX NOTE: CONCRETE 60' ALLOWABLE MAX SIDE SEWER SHALL HAVE A BLOCKING FOR CAST OR MINIMUM 5' COVER AT PROPERTY 42" MIN. T❑ 84" MAX, MAX DUCTILE IRON PIPE. LINE OR 3 -5' LOWER THAN THE VARIABLE 2' TO 5' 61MIN - - 45 LOWEST HOUSE ELEVATION, WHICH- ;' 1 25 1 EVER IS LOWER. 12' `MIN 4" 54" 61MIN - HORIZONTAL 6" SIDE OUTLET 7EE SEWER MAIN EXISTING SEWER MAIN • • CONC. BLOCKING ANGLE f6" SIDE SEWER OF TEE AT MAIN OVER 25' 6' ELEVATION 6 "TEST TEE TO BE INSTALLED AT AT CONNECTION J'( G�G NOTE' � �E �O MAKE TAP THROUGH CAST IRON 1. STEPS TO BE 3/4" 0 DEFORMED BAR GALVANIZED SAFTEY STEPS OR EQUAL SADDLE SECURED TO SEWER MAIN 2. STEPS ARE TO BE IN PLACE BEFORE MANHOLE SECTIONS ARE INSTALLED EcE WITH STAINLESS STEEL BANDS 3. CASTING TO BE OLYMPIC FOUNDRY MH30 WITH MH30 D/T OR EQUAL. PER DWG. BR29 Z25PSG% WHEN CONNEC77NG NEW SIDE 4. MANHOLE SECTIONS TO BE ❑F REINFORCED PRECAST CONCRETE " SEWERS TO EXISTING MAIN. 5. OPENING SHOULD BE ON DOWNSTREAM SIDE. 2 MIN SLOPE AL VITRIFIED CLAY, PLAIN & SANITARY SHALLOW MANHOLE TYPICAL SIDE SEWER REINFORCED CONCRETE, D1 & Cl PIPE SEWER MAINS ARE TO TYPE B ELEVA 77ON BE CORE DRILLED. SIDE SEWER SERVICE DETAIL �glg w Tp v� i47���fi SMEW 622 9T Rt �14ffl - 0 x 6 7 #__- RECOMMENDED FOR APPROVAL BY P &., ,,*T s- 6-9� BY BY_ s -22 '/s 8 9 10 11 12 13 14 15 16 17 18 19