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HomeMy WebLinkAbout1974.9F�EV1510r15 ',�n'15ED QLL 1075 5 - IZ - b'7 LEL DRAINAGE & GRADING NOTES 1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH CITY OF RENTON SPECIFICATIONS. 2. EXISTING UTILITIES SHOWN ON THE PLANS HAVE BEEN PLOTTED FROM THE BEST INFORMATION AVAILABLE TO THE ENGINEER. IT SHALL BE THE CONTRACTOR'S I:ESPONSIBILITY TO LOCATE ANY EXISTING UTILITIES WHICH MAY CONFLICT WITH THE CONTRACTOR'S OPERATION, WHETHER SHOWN ON THE PLANS OR NOT. 3. THE CONTRACTOR SHALL NOTIFY EACH UTILITY AND COORDINATE HIS WORK SCHEDULE WITH THE CONSTRUCTION OF UNDERGROUND POWER, TELEPHONE, AND GAS FACILITIES. 4. ALL DISTURBED AREAS SHALL BE SEEDED OR STABILIZED BY OTHER SURFACE WATER MANAGEMENT METHODS FOR THE PREVENTION OF ONSITE EROSION AFTER THE COMPLETION OF CONSTRUCTION. 5. GRASS SEEDING WILL BE DONE USING AN APPROVED TYPE HYDRO -SEEDER, OR AS OTHERWISE APPROVED BY CITY OF RENTON DEPT. OF PUBLIC WORKS. THE PERFORMANCE BOND WILL NOT BE RELEASED UNTIL THE GRASS HAS BEEN ESTABLISHED, UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON DEPT. OF PUBLIC WORKS. 6. THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE IN THE DEPT. OF PUBLIC WORKS CENTRAL RECORDS. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE PROPER AGENCY, CURRENTLY THE CITY OF RENTON DEPT. OF PUBLIC WORKS. 7. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. S. PRIOR TO ANY CONSTRUCTION/DEVELOPMENT ACTIVITY THE CITY OF RENTON DEPT. OF PUBLIC WORKS DEVELOPMENT INSPECTION SELECTION MUST BE CONTACTED (PHONE NO. 235-2540) FOR A PRE -CONSTRUCTION MEETING. 9. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS OTHERWISE APPROVED BY THE DEPT. OF PUBLIC WORKS. 10. ALL PIPE SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION ACCOR- DING TO WASH. STATE SPEC. 7-02.30). THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OI: THE TOP OF THE FOUINDA I IO% ;MATERIAL AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL TO UNIFORM GRADE SO THAT TI11: ENTIRE LENGTH OFTHE PIPE WILL 13E SUPPORTED ON A UNIFORMLY DENSE UNYIELDING BASE. IF THE NATIVE MATERIAL IN THE BOTTOM OF THE TRENCH MEETS THE REQUIREMENTS FOR "GRAVEL BACKFILL FOR PIPE BEDDING", THE FIRST LIFT OF PIPE BEDDING MAY BE OMITTED PROVIDED THE MATERIAL IN THE BOTTOM OF THE TRENCH IS LOOSENED, REGRADED AND COMPACTED TO FORM A DENSE UNYIELDING BASE. 11. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL. 12. STORM DRAINAGE PIPE SHALL CONFORM TO THE FOLLOWING: A. GALVANIZED CORRUGATED STEEL PIPE (SEC. 60-3.011 APWA); .064" MIN. THICK NES$=TREATMENT PROTECTION (SEC. 60-3.011 APWA. B. CORRUGATED ALUMINUM ALLOY PIPE (SEC. 60-3.01J APWA) MIN. 16 GA. DETENTION FACILITY WILL REQUIRE HEAVIER GAUGE PIPE. 13. GALVANIZED STEEL PIPE UTILIZED AS DETENTION FACILITIES SHALL HAVE ASPHALT TREATMENT #I OR BETTER INSIDE AND OUTSIDE. 14. EXCESS WATER - SHOULD WATER BE ENCOUNTERED DURING CONSTRUC- TION, IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO DEWATER BEFORE CONSTRUCTION CONTINUES. 15. WHERE MATERIAL EXCAVATED. FROM THE TRENCH IS UNSUITABLE FOR BACKFILL, THE CONTRACTOR SHALL PROVIDE SUITABLE BACKFILL. 16. ALL TRENCH BACKFILL, STRUCTURAL FILL, AND EARTHWORK IN GENERAL SHALL BE COMPACTED TO 90% OF MAXIMUM DENSITY AS TESTED IN ACCORDANCE WITH ASTM D-1557, EXCEPT IN PAVED AREAS WHERE BACKFILL SHALL BE COMPACTED TO 90% OF MAXIMUM DENSITY UP TO 6" BELOW SUBGRADE. THE 6" BELOW SUBGRADE IN PAVED AREAS SHALL BE COMPACTED TO 95% OF MAXIMUM DENSITY AS TESTED IN ACCORDANCE WITH ASTM D-1557. 17. ALL PARKING AREA SUBGRADE CONSTRUCTION SHALL CONFORM TO SECTION (5-02) OF THE APWA STANDARD SPECIFICATIONS. 18. CRUSHED ROCK USED FOR BASE AND/OR TOP COARSE MATERIAL SHALL CONFORM TO SECTION (9-03.9) OF THE APWA STANDARD SPECIFICATIONS. 19. ALL PARKING AREAS SHALL BE PAVED WITH CLASS B ASPHALT CONCRETE CONFORMING TO SECTION (5-04) OF THE APWA STANDARD SPECS. TEMPORARY EROSION NOTES 1. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN SHALL BE CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING CONSTRUCTION. 2. ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND/OR OTHER CONSTRUCTION TO ENSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER THE NATURAL DRAINAGE SYSTEM. ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND/OR CONSTRUCTION 1S COMPLETED AND POTENTIAL FOI1 ONSITL EROSION HAS PASSED. THE IMPLEML=NTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION/SEDIMENTATION CONTROL SYSTEMS SHALL BE TFIE RESPONSIBILITY OF THE PERMITTEE. 3. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED IN THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE PERMITTL-E SHOULD ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE PERMITTEE TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY HIS ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED TO PROTECT ADJACENT PROPERTIES AND WATL'-R QUALITY OF THE RECEIVING DRAINAGE SYSTEM. 4. APPROVAL OF TI-115 PLAN IS FOR EROSION/SLDLMENTATION CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS OR DETENTION FACILITIES. 5. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WFILRL NO FURTHER WORK IS ANTICIPATED FOR A PERIOD OF 30 DAYS OR MORE, ALL DISTURBED AREAS MUST BL IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR OTHER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE TIME OF YEALZ IN QUESTION. GRASS SEEDING ALONE .MAY BL ACCEPTABLE ONLY DURING THE MONTHS OF APP.IL THRU SEPTEMBER. INCLUSIVE. SEEDING MAY PROCEED WHENEVER 1T IS IN THE INTEREST OF THE PER:MITTEE, BUT .MUST BE AUGMENTED WITH MULCHING, NETTING, OR OTHEIZ TREATMENT APPROVED BY CITY OF RENTON PUBLIC WORKS DEPARTMENT OUTSIDE THE SPECIFIED TIME PERIOD. 6. FOR ALL EROSION/SEDIMENTATION CONTROL PONDS WHERE THE DEAD STORAGE DEPTH EXCEEDS 6 INCHES, A FENCE AT A MINIMUM OF 3 FEET HIGH IS REQUIRED. 7. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK TO A DEPTH OF 1 FOOT. ROCK AGGREGATE TO BE AS FOLLOWS: 1/2" - 2" 10�� - 20`;0 2" - 4" 20% - 40% 4"-8"400/0-700/6 SANITARY SEWER NOTES 1. ALL WORK AND MATERIALS SHALL CONFORM TO APWA/WSDOT 1984 STANDARD SPECFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION. 2. TEST OBSERVATION AND INSPECTION BY CITY OF RENTON. 3. PRIOR TO BEGINNING WORK, ARRANGEMENTS SHALL BE MADE WITH CITY OF RENTON FOR A PRE -CONSTRUCTION CONFERENCE TO BE ATTENDED BY THE CONTRACTOR, DISTRICT REPRESENTATIVES AND OTHER REPRESENTATIVES OF INTERESTED UTILITIES. 4. LOCATION SHOWN OF EXISTING UTILITIES ARE APPROXIMATE ONLY AND IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO CERTIFY THE CORRECT LOCATIONS SO AS TO AVOID DAMAGE OR DISTURBANCE. 5. SIDE SEWER LOCATIONS TO BE VERIFIED IN THE FIELD PRIOR TO CONSTRUCTION. 6. PRIOR TO CONSTRUCTING SEWER LINES, THE NECESSARY LOT CORNERS MUST BE SET. 7. SIDE SEWERS TO BE IN ACCORDANCE WITH THE REQUIREMENTS OF CITY OF RENTON. ALL SIDE SEWER SHALL BE A MINIMUM 6" DIAMETER PIPE AT A MINIMUM SLOPE OF 2%. S. ALL MANHOLES NOT IN PAVED R/W TO HAVE LOCKING LIDS. 9. SANITARY SEWER PIPE TO BE P.V.C. CONFORMING WITH ASTM D-3034 OR SDR 35. PIPE BEDDING SHALL CONSIST OF COMPACTED GRANULAR MATERIAL (PEA GRAVEL) A MINIMUM OF 6" BELOW THE BOTTOM OF THE PIPE BELL AND A MINIMUM OF 6" ABOVE THE TOP OF THE PIPE BELL. 10. P.V.C. SEWER PIPES SHALL BE TESTED FOR DEFLECTION AS SPECIFIED IN SECTION (7-17.3(4)H). PACIFIC WATER NOTES I. 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 APWA STANDARDS AND 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 BF LIMITED TO 8:30 AM TO 3:30 PM ON WEEKDAYS ONLY UNLESS OTHERWISE APPROVED IN WRITING BY THE DESIGN ENGINEER AT 235- 2635. ALL STREET CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED BY THE STREET SUPERINTENDENT 24 HOURS IN ADVANCE. THE POLICE DEPARTMENT, FIRE DEPARTMENT, AND 911 SHALL BF NOTIFIED 24 HOURS IN ADVANCE. 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 AVOID DAMAGE OR DISTURBANCE. FOR UTILITY LOCATE CALL 48-HOUR LOCATORS, 1- 800-424-5555. 4. ALL WATER MAIN PIPE TO BE CEMENT LINED DUCTILE IRON PIPE CONFORMING TO AWWA CI10 AND C111 OR LATEST REVISION, THICKNESS CLASS 52. CEMENT MORTAR LINING AND SEAL COATING SHALL CONFORM TO AWWA C104 OR LATEST REVISION. PIPE JOINTS TO BE PUSH -ON OR MECHANICAL JOINT. BEDDING TO BE CLASS C. ALL DUCTILE IRON PIPE INSTALLED SOUTH OF SUNSET BOULEVARD (EMPIRE WAY, SR 900) AND WEST OF SR 167 (EAST VALLEY FREEWAY) OR IN SOILS OF HIGH RESISTIVITY SHALL BE POLYETHYLENE WRAPPED PER ANSI/AW\VA C105-77 STANDARDS. 5. CAST IRON AND DUCTILE IRON FITTINGS SHALL BE CEMENT LINED, PRESSURE RATED AS NOTED ON PLANS, AND IN ACCORDANCE WITH ANSI/AWWA CI10/A21.10-82. CEMENT LINING SHALL BE IN ACCORDANCE WITH ANSI/AWWA C104/A21.4-85. IF FITTINGS ARE 3 INCHES TO 12 INCHES IN DIAMETER AND HAVE MECHANICAL JOINTS, THE FITTINGS SHALL BE IN ACCORDANCE WITH EITHER ANSI/AWWA CI10/A21.10-S2 OR ANSI/AWWA C153/A21.53-84. 3 INCH TO 12 INCH DIAMETER FITTINGS WHICH HAVE MECHANICAL JOINTS AND/OR FLANGED JOINTS SHALL BE IN ACCORDANCE WITH ANSI/AWWA C110/A21.10.S2 OR A COMBINATION OF ANSI/AWWA CI10/A21.10.82 AND ANSI/AWWA C153/A21.53-84 SUCH THAT THE PORTION OF THE FITTING WITH A MECHANICAL JO1NT(S), MAY BE IN ACCORDANCE WITH ANSI/AW\VA C153/A21.53-84 AND THAT PORTION OF THE FITTING WITH FLANGED JOINT(S) SHALL BE IN ACCORDANCE WITH ANSI/AWWA CI10/A21.10-82. ACCEPTANCE TESTING 1N ACCORDANCE WITH SECTION 53-5.3 OF ANSI/AWWA C153/A21.53-84 OR WITH SECTION 10-4.3 OF ANSI/AWWA CI10/A21.10-82 SHALL BE OBTAINED BY THL CONTRACTOR AND TRANSMITTED TO THE OWNER. 6. GATE VALVES SHALL CONFORM TO AWWA C500 AND SHALL BE IRON BODY, BRONZED -MOUNTED, DOUBLE DISC WITH BRONZE WEDGING DEVICE AND O-RIGHT STUFFING BOX. VALVES SHALL BE DESIGNED FOR A MINIMUM WATER OPERATING PRESSURE OF 200 PSI. GATE VALVES SHALL BE CLOW LIST 14, MUELLER COMPANY NO. A2380, OR M 3c H. ALL VALVES 12" IN DIAMETER AND LARGER, SHALL BE INSTALLED IN A VAULT. SEE WATER STANDARD DETAIL FOR 12" GATL VALVE ASSEMBLY VAULT AND 1" BYPASS INSTALLATION. 7. FIRE HYDRANTS SHALL BE COREY TYPE (OPENING WITH THL PRESSURE) CONFORMING TO AWWA C-504-80 WITH A 6 INCH INLET AND A M.V.O. OF 5 INCHES, TWO 2-112 INCH HOSE NOZZLES WITH NATIONAL STANDARD 7 INCH, 60 DEGREES V. THREADS, O.D. THREAD 4.875 AND ROOT DIAMETER 4-6263, 1-1/4" PENTAGON OPERATING NUT OPENED Bl' TURNING COUNTER CLOCKWISE (LEFT). S. ALL WATER MAIN 10 INCHES AND SMALLER TO MAINTAIN A MINIMUM. COVER OF 36 INCHES BELOW FINISH GRADE. ALL WATER. MAIN 12 INCHES AND LARGER SHALL BE AT A MINIMUM OF 48 INCHES BELOW FINISH GRADE. WHERE UTILITY CONFLICTS OCCUR, WATER MAINS ARE TO BE LOWERED TO CLEAR. 9. ALL WATER MAINS SHALL BE PRESSURE TESTED AND DISINFECTED IN ACCORDANCE WITH THE SPECIFICATIONS OF THE CITY OF RENTON AND THE WASHINGTON STATE HEALTH DEPARTMENT. ALL PRESSURE TESTING SHALL BE DONE IN THE PRESENCE OF A REPRESENTATIVE OF THE CITY OF RENTON. 10. A PRECONSTRUCTION CONFERENCE IS REQUIRED PRIOR TO ANY CONSTRUCTION. A MINIMUM OF 3 (THREE) WORKING DAYS NOTICE IS REQUIRED FOR SCHEDULING. PRIOR TO SCHEDULING THE PRECONSTRUCTION CONFERENCE A PERMIT INFORMATION SHEET MUST BE SUPPLIED TO THE UTILITY ENGINEER'S OFFICE. TWENTY- FOUR HOUR NOTICE WILL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. 11. 1T SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO STARTING CONSTRUCTION. 12. INSTALLATION OF CORPORATE STOPS, WATER SERVICES, LINES AND METERS SHALL NOT BE DONE UNTIL ALL SERVICE AGREEMENTS, METER APPLICATIONS, CONSTRUCTION PERMITS, AND PAYMENT OF FEES HAVE BEEN MADE TO THE CITY OF RENTON. 13. ALL CONNECTION TO EXISTING MAINS TO BE ACCOMPLISHED BY THE. CITY OF RENTON, EXCEPT WET TAPS WHICH MAY BE ,MADE BY APPROVED WET TAP CONTRACTORS WITH PRIOR APPROVAL OF FROM THE CITY OF RENTON. ALL NECESSARY EXCAVATION AND MATERIALS TO 13E SUPPLIED BY THE CONTRACTOR AND BE ON -SITE PRIOR TO CITY NOTIFICATIONS. 14. INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY OF RENTON. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE UTILITY DEPARTMENT 24 HOURS IN ADVANCE OF BACKFILLING ALL CONSTRUCTION. THE CONTRACTOR AS WELL AS THE ENGINEERS SHALL KEEP AS -BUILT DRAWINGS. 15. CONTRACTOR TO PROVIDE PLUGS AND TEMPORARY BLOW -OFF ASSEMBLIES FOR TESTING AND PURITY ACCEPTANCE PRIOR TO FINAL TIE-IN. 16. ALL JOINT RESTRAINT SYSTEMS (SHACKLE RODS, NUTS, BOLTS, ETC.) SHALL BE AS MANUFACTURED BY THE STAR MANUFACTURING COMPANY OF COLUNIBUS OHIO OR EQUAL -APPROVED IN WRITING BY THE CITY OF RENTON. 17. ASPHALT AND CONCRETE STREET PAVING SHALL BE SAW'CUT TO A MINIMUM DEPTH OF TWO INCHES. OIL MAT STREETS MAY BE SPADE CUT. ALL SURFACE CONCRETE, PAVEMENT, SIDEWALKS, CURB, GUTTERS, AND DRIVEWAY APPROACHES SHALL BE SAWCUT TO A MINIMUM DEPTH OF TWO INCHES OR REMOVED TO AN EXISTING EXPANSION JOINT. 18. A TEMPORARY COLD MIX ASPHALT PATCH SHALL BE PLACED ON THE DAY OF INITIAL EXCAVATION WITH A PERMANENT, SEALED PATCH TO BE PLACED, TO CITY OF RENTON POLICY, WITHIN TEN DAYS. CALL FOR SUBGRADE INSPECTION PRIOR TO PLACEMENT OF FINAL PATCH. TRENCHES WILL NOT BE LEFT OPEN OVER NIGHT WITHOUT PRIOR WRITTEN APPROVAL OF THE INSPECTOR. 19. FOR CITY PROJECTS SUCH AS TELEMETRY CONDUIT, THE PVC PIPE USED SHALL BE SCHEDULE 40 1N UNIMPROVED AREAS AND SCHEDULE 80 UNDER IMPROVED AREAS. ALL CHEMICAL PROCESS LINES SHALL BE SCHEDULE 80 PVC PIPE. WATER SERVICE TABLE USE UPC CHARTS NO. 10-1 (PAGE 81) AND NO. 10-2 (PAGE 83) PRESSURE RANGE 60 + PSI HYDRAULIC GRADIENT = 565 PRESSURE RANGE FIXTURE UNITS METER & STREET SERVICE SIZE BLDG.SUPPLY SVC. LINE SIZE REC P.R. 57 F.U. 21 M do SSS 1" BSSLS 1" A B C D E F G H I 58-69 56-65 62-70 52-57 51-55 49-53 55-60 53-58 53-57 252 120 168 136 68 102 102 119 102 1-1/2" 1-1/2" 2" 2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" APPROVED 2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" CITY OF REMOM Pl MIC WfOR DIRECTOR ENGINEERING COMPANY z c rr�1 U W a A rj e •r" Z O Z w N u O C� 00 zcn W o z Z n410� _ 1� C3 N W ZW I�1 :) CO N 0) � � h N Z M W f' L) ca CC J N a .v LL O r Z p O LL N a PROJECT NO 86-70 DRAWN BY DGS ISSUE DATE I2_IG-5LQ LATEST REV 5-IZ-P-,7 0 0 r r N 0 N (wmclob) (s• is) CIVIL ENGINEERING AND PLANNING CONSULTANTS