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HomeMy WebLinkAboutSWP2702704.1L�j L_ my Z m �, •- a O p'E o 3-o O o a �m ,E c o, OE n- x x i 0 i rn 0 0 0 0 a i 0 0 a i Y Z 0 ti C w Q 0 z 0 w of 0 z `4 60" WATER PIPELINE LEGEND POWER/UTILITY POLE �- �' ' WETLAND BOUNDARY lk�.......... ..................... ::: GUY ANCHOR ® STORM DRAIN MANHOLE - CENTERLINE RIP RAP - - PROPERTY LINE ogz��F .r-,-- - RIGHT-OF-WAY LINE EXISTING CONTOUR �`.::.:......... POWER ....OVERHEAD ..................... ...,.. FIBER OPTICS ........... z . �._..W..... .� . w l PETROLEUM PIPELINE - ............................... << .{.......... .............LIMITS OF CONSTRUCTION ........................... 46 1-T t Almo m-rito DOPs LY swp �_:� OLYMPIC PIPELINE (PARCEL #3023059084) 4ti PLAN' SCALE: 1 "=2 sApte SLorQ its ciftdit-r PROFILE 10'x4' ,BOX CULVERT SCALE: 1 "=10' N 11051 93 f E 1296g 46 CENTERLINE MONUME T EL 21.32 (PIN INSIDE MONUMENT .,„.......-------- q......... a. .,. ai........ f ♦ yet j f 3 .............. ...... .:........, ............ ....... E t y.: s ! i iE x 9` MIGH CUL ` ........................9..... ............... e.......................»... ..-....... d-.......... ...........................:...............i........................i _..f.... . ....Y........ <3 :.....................I........................;....... '.....:... t ..................... r :... y............. i------- ............. ......e...a...:.............. \ 1NG 14'' VNDE HIGH ;CULVERT >_ j f } { f f � 3 f` i f 2 B ' f r } E • 4 70, omm 014M r 0 f <f f N. 167,986.57 1,296,484.76 ENTERLINE MONUMEN- 20.00 EXPIRES: 12-04-98 GRAPHIC SCALE: 20 0 20 40 1"=20' 10 0 10 20 1"=10' GENERAL NOTES: 1. UNLESS OTHERWISE SPECIFIED HEREIN, ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE 1996 EDITION OF THE "STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION" PREPARED BY WSDOT, AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON. 2. ALL WORK SHALL COMPLY WITH THE EASEMENT AND UTILITY RELOCATION AGREEMENT BETWEEN THE CITY OF RENTON AND OLYMPIC PIPE LINE COMPANY, DATED APRIL 1, 1998. IN ACCORDANCE WITH THIS AGREEMENT, THE CONTRACTOR MUST COMPLY WITH ALL APPLICABLE REGULATORY PERMIT REQUIREMENTS, INCLUDING BUT NOT LIMITED TO THE SEATTLE PUBLIC UTILITIES, WASHINGTON STATE DEPARTMENT OF FISH AND WILDLIFE HYDR AULIC PROJECT APPROVAL (HPA), AND THE CORPS OF ENGINEERS NATIONWIDE PERMIT NO. 3. COPIES OF THESE PERMITS ARE AVAILABLE AT THE CITY OF RENTON. OLYMPIC PIPE LINE COMPANY SHALL OBTAIN APPROVAL FROM SEATTLE PUBLIC UTILITIES PRIOR TO CONSTRUCTION. 3. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD WITH THE OLYMPIC PIPE LINE COMPANY AND THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION, PLAN REVIEW PROJECT MANAGER. 4. THE PROJECT SHAD_ BE CONSTRUCTED IN ACCORDANCE WITH THIS PLAN. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION. 5. A COPY OF THIS PLAN MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. DATUM IS BASED ON NAVD 1988. 6. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACT. 7. CONTRACTOR SHALL OBSERVE WEIGHT LIMIT RESTRICTIONS ON OLYMPIC PIPE LINE ACCESS ROAD. GROSS AXLE WEIGHT SHALL NOT EXCEED 32,000 LBS. (HS 20-44). 8. ALL SUBMITTALS TO OLYMPIC PIPE LINE SHALL BE COPIED TO THE CITY OF RENTON FOR REVIEW. EXCEPT AS NOTED HEREIN, ALLOW 2 WORKING DAYS FOR REVIEW PRIOR TO BEGINNING WORK ASSOCIATED WITH THE SUBMITTAL. 9. CONTRACTOR IS RESPONSIBLE FOR NOTIFYING ALL UTILITY PURVEYORS AT LEAST 48 HOURS IN ADVANCE OF ALL WORK IN VICINITY OF UTILITY. U11UTY LOCATIONS SHOWN ON THE PLANS ARE APPROXIMATE AND WERE DEVELOPED FROM RECORD DRAWINGS AND SUPPLEMENTED WITH APPROXIMATE FIELD MEASUREMENT OF SURFACE FEATURES. CONTRACTOR SHALL CONTACT UTILITY LOCATION CENTER (1-800-424-5555) TO LOCATE AND MARK ALL UTILITIES AT LEAST 2 WORKING DAYS PRIOR TO COMMENCEMENT OF ANY WORK. 10. NOTE THERE ARE OVERHEAD 115 KV POWER LINES IN THE WORK AREA. THE CONTRACTOR IS REQUIRED TO MAINTAIN A 15-FOOT MINIMUM CLEARANCE FROM THESE POWER LINES AT ALL TIMES. CONTRACTOR MAY, AT ITS EXPENSE, COORDINATE WITH PUGET SOUND ENERGY TO HAVE PHONE LINES TEMPORARILY SHUTDOWN. 11. CONTRACTOR SHALL OBTAIN AND REVIEW THE FOLLOWING SUBSURFACE INFORMATION FROM THE CITY- GEOTECHNICAL STUDY CONDUCTED BY HWA GEOSCIENCES, INC., DATED APRIL 1988. SEDIMENT AND SOIL CHARACTERIZATION STUDY PREPARED BY HERRERA ENVIRONMENTAL CONSULTANTS, INC., DATED APRIL 13, 1988. AVAILABLE GROUNDWATER MONITORING DATA. GROUNDWATER MONITORING DATA IS RELATIVE TO NATIONAL GEODETIC VERTICAL DATUM (NGVD) OF 1929 WHICH IS THEORETICALLY 3.58 FEET LOWER THAN NAVD. 12. AT LEAST 15 DAYS PRIOR TO COMMENCEMENT OF WORK CONTRACTOR SHALL SUBMIT PLAN FOR INSTALLATION OF BOX CULVERT IN ACCORDANCE WITH MANUFACTURERS INSTRUCTIONS AND IN ACCORDANCE WITH THE GEOTECHNICAL REPORT AND THESE NOTES. THE PLAN SHALL CLEARLY DESCRIBE THE FOLLOWING: (1) METHODS FOR DEWATERING, (2) THE PLAN FOR PROVIDING A FIRM FOUNDATION FOR THE BOX CULVERT IN ACCORDANCE WITH THE RECOMMENDATIONS IN THE GEOTECHNICAL REPORT, (3) METHOD OF PROTECTION AND TEMPORARY SUPPORT OF EXISTING UTILITIES, AND (4) MONITORING THE EXISTING SEATTLE WATER DEPARTMENT FACILITIES IN ACCORDANCE WITH APPROVED PERMITS. THE PLAN SHALL BE PREPARED BY AND STAMPED BY A PROFESSIONAL ENGINEER REGISTERED IN THE STATE OF WASHINGTON. 13. AS NOTED IN THE GEOTECHNICAL REPORT, BOX CULVERT FOUNDATION SUPPORT SHALL BE EITHER 12" DEPTH LEAN OR TREMIE CONCRETE SLAB OR 24" DEPTH CRUSHED ROCK PAD FOR CRUSHED ROCK OPTION, EXCAVATION SHALL BE ADEQUATELY DEWATERED AND DRY BEFORE PLACING. CRUSHED ROCK SHALL MEET THE REQUIREMENTS OF CRUSHED SURFACING BASE COURSE, SECTION 9-03.9(3) OF THE STANDARD SPECIFICATIONS. FOR LEAN CONCRETE OPTION, LEAN CONCRETE SHALL HAVE A MINIMUM 28 DAY COMPRESSION STRENGTH OF 2,000 PSI. TREMIE CONCRETE SHALL HAVE A MINIMUM 28 DAY COMPRESSION STRENGTH OF 3,000 PSI. 14. IF SOFT COMPRESSIBLE SOILS SUCH AS PEAT ARE ENCOUNTERED AT THE SUBGRADE ELEVATION FOR CONCRETE SLAB/CRUSHED ROCK PAD, UNSUITABLE SOILS SHALL BE OVER -EXCAVATED AND REPLACED. REPLACEMENT OF UNSUITABLE FOUNDATION MATERIAL SHALL BE WITH CRUSHED ROCK OR LEAN CONCRETE. OVER -EXCAVATION PROCESS SHALL BE OBSERVED BY A GEOTECHNICAL ENGINEER. A SOIL STABILIZATION GEOTEXTILE SHALL BE PLACED ON SUBGRADE IN THE AREA OF REMOVED COMPRESSIBLE SOILS PRIOR TO BACKFILLING. 15. EXCAVATION BACKFILL SHALL BE BANK RUN GRAVEL FOR TRENCH BACKFILL IN ACCORDANCE WITH 9-03.3.19 OF THE STANDARD SPECIFICATIONS. THE BACKFILL SHALL NOT BE BULLDOZED INTO THE EXCAVATION OR DROPPED DIRECTLY GENERAL NOTES: (CONT'D ON THE STRUCTURE. HEAVY VIBRATORY EQUIPMENT SHALL NOT BE USED OVER THE BOX CULVERT UNTIL A MINIMUM 3 FEET OF BACKFILL HAS BEEN PLACED. BACKFILL SHALL BE PLACED IN HORIZONTAL LIFTS NOT EXCEEDING 8 INCHES IN THICKNESS AND COMPACTED TO AT LEAST 95 PERCENT OF MODIFIED PROCTOR MAXIMUM DRY DENSITY AS DETERMINED BY ASTM D1557. WHEN SMALLER COMPACTION EQUIPMENT IS USED, SOIL SHALL BE PLACED IN LIFTS NOT EXCEEDING 4 INCHES. 16. MATERIAL EXCAVATED WITHIN THE EXISTING CHANNEL BOTTOM AT THE UPSTREAM SIDE OF THE BOX CULVERT SHALL BE EXCAVATED AND HAULED TO A LANDFILL FACILITY OPERATING UNDER A CURRENT PERMIT MEETING CURRENT WAC 173-51 (E.G., CEDAR HILLS). OTHER MATERIAL EXCAVATED WITHIN THE EXISTING BERM AND AT THE BOX CULVERT OUTLET SHALL BE DISPOSED OF IN A LEGAL MANNER TO BE DETERMINED BY THE CONTRACTOR. REFER TO THE SOIL SEDIMENT AND CHARACTERIZATION STUDY, BY HERRERA ENVIRONMENTAL CONSULTANTS. 17. CONTRACTOR SHALL SUPPLY AS -BUILT ELEVATION AND LOCATION INFORMATION TO THE CITY OF RENTON AND OLYMPIC PIPE LINE. 18. EXCAVATION PLAN SHALL BE DESIGNED BY THE CONTRACTOR. THE CONTRACTOR SHALL SUBMIT AN EXCAVATION/SHORING/PROTECTION OF EXISTING UTILITIES PLAN DESIGNED, SIGNED, AND STAMPED BY A LICENSED PROFESSIONAL ENGINEER IN THE STATE OF WASHINGTON. ALL CRIBBING, SHEETING, AND SHORING SHALL MEET THE REQUIREMENTS OF WAC 296-155. SURCHARGE LOADS FROM CONSTRUCTION EQUIPMENT, MATERIALS, SOILS, ETC., SHOULD ALSO BE CONSIDERED IN SHORING DESIGN. THE DESIGN WILL NOT BE REVIEWED FOR ITS STRUCTURAL ADEQUACY. THE DESIGN OF ANY CRIBBING, SHEETING, OR SHORING IS THE SOLE RESPONSIBILITY OF THE CONTRACTOR. THE PLAN SHALL INCLUDE SPECIFIC MEASURES FOR TEMPORARY SUPPORT AND PROTECTION OF EXISTING UTILITIES. IF CONTRACTOR OPTS FOR UNSUPPORTED SLOPra EXCAVATIONS, TEMPORARY CUTS IN EXCESS OF 4 FEET IN DEPTH SHOULD BE SLOPED IN ACCORDANCE WITH PART N OF WAC 296-155. 19. ROCK RIPRAP, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A DEPTH OF 18 INCHES AND MUST MEET THE FOLLOWING SPECIFICATIONS. 4"-8" ROCK/40%-70% PASSING, 2"-4" ROCK/30%-40% PASSING, AND 2" ROCK/10%-20% PASSING. 20. ROCK SURFACING SHALL INCLUDE 2-INCHES OF CRUSHED SURFACING TOP COURSE UNDERLAIN BY 4-INCHES OF CRUSHED SURFACING BASE COURSE. CONTRACTOR SHALL INSTALL A SEPARATION GEOTEXTILE (SECTION 9-33.1 OF THE STANDARD SPECIFICATIONS) FOR WEED BARRIER UNDER CRUSHED SURFACING FOR OLYMPIC PIPE LINE ACCESS ROAD. 21. ALL DISTURBED AREAS EXCEPT RIPRAP AND STREAMBED AREAS AND ACCESS ROADS SHALL BE SEEDED. GRASS SEED SHALL BE APPLIED BY HYDROSEEDING. THE GRASS SEED MIXTURE, OTHER THAN CITY OF RENTON APPROVED STANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ARCHITECT AND APPROVED BY THE DEVELOPMENT SERVICES DIVISION. 22. ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED. CONTRACTOR SHALL SUBMIT AN EROSION CONTROL PLAN WITH THE FLOW DIVERSION PLAN. DIVERSION AND CARE OF WATER: 1. CONTRACTOR SHALL SUBMIT A FLOW DIVERSION PLAN AT LEAST FIVE DAYS PRIOR TO COMMENCEMENT OF WORK. THE PLAN SHALL BE STAMPED BY A PROFESSIONAL ENGINEER REGISTERED IN THE STATE OF WASHINGTON. THE SW 23RD STREET DRAINAGE CHANNEL IS A YEAR-ROUND STREAM THAT CONVEYS RUNOFF FROM A LARGE AREA. FLOODING CAN OCCUR FROM HIGH FLOWS IN THE CHANNEL AS WELL AS FROM HIGH WATER LEVELS IN SPRINGBROOK CREEK BACKING UP INTO THE CHANNEL. THE ANTICIPATED PEAK WATER LEVEL AND FLOW FOR THE 2-YEAR FLOOD ARE APPROXIMATELY ELEVATION 13.5 (NAVD 88) AND 25 CFS RESPECTIVELY. AT A MINIMUM, THE CONTRACTOR SHALL PROVIDE THE FOLLOWING: TEMPORARY DIVERSION DAMS UPSTREAM AND DOWNSTREAM OF WORK AREA CAPABLE OF WITHSTANDING WATER LEVELS UP TO ELEVATION 13.5. TEMPORARY DIVERSION PIPING, TWO 18-INCH DIAMETER SMOOTH WALL PIPE MINIMUM. IN ADDITION TO THE TEMPORARY DIVERSION PIPING, HAVE EQUIPMENT PREPARED TO PUMP AND/OR DIVERT FLOWS UP TO A TOTAL OF 30 CFS ON STANDBY. BOX CULVERT STRUCTURAL NOTES: 1. PRECAST 4-SIDED BOX CULVERT CONSTRUCTED TO THE OVERALL DIMENSIONS SHOWN ON THE DRAWINGS SHALL MEET THE REQUIREMENTS OF ASTM C789 EXCEPT AS MODIFIED BY THESE PLANS AND NOTES. SHOP DRAWING SUBMITTALS FOR BOX CULVERT SHALL INCLUDE STRUCTURAL CALCULATIONS STAMPED AND SIGNED BY A REGISTERED PROFESSIONAL ENGINEER IN THE STATE OF WASHINGTON. 2. TONGUE AND GROOVE JOINTS SHALL BE SEALED WITH A ONE-PIECE ELASTOMERIC SEAL SPECIFICALLY DESIGNED FOR BOX CULVERTS. (OMNI-FLEX GASKETS OR EQUAL.) 3. ACCESS RISER SHALL BE LARGE ENOUGH TO ACCOMMODATE A 36 INCH OPENING FRAME AND GRATE. INCLUDE LADDER ASSEMBLY. CONTRACTOR SHALL SUBMIT SHOP DRAWINGS FOR REVIEW AND APPROVAL. 4. BOX CULVERT LOAD CRITERIA: AASHTO HS-20 LIVE LOAD 130 LBS./C.F. BACKFILL DENSITY AT REST LATERAL LOAD, 60 LBS./C.F. EQUIVALENT FLUID PRESSURE Y ' J ,. / /-du t / ISCAIINED NOV - 5 19c8