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HomeMy WebLinkAboutD-357047GENERAL NOTES GENERAL EROSION AND SEDIMENT CONTROL NOTES GENERAL RESTORATION NOTES 0 1. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH APPLICABLE LOCAL, STATE, AND FEDERAL LAWS. 1. THESE GENERAL EROSION AND SEDIMENT CONTROL NOTES, TOGETHER WITH DETAIL 1, THIS DWG, CONSTITUTE A CONCEPTUAL TEMPORARY � EROSION AND SEDIMENT CONTROL (TESC) PLAN. THE CONTRACTOR IS REQUIRED TO SUBMIT A DETAILED STORMWATER POLLUTION AND tJ 2. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH THE CITY OF RENTON STANDARDS AND SPECIFICATIONS AND WASHINGTON STATE PREVENTION PLAN (SWPPP) MEETING STATE REQUIREMENTS IN ACCORDANCE WITH THE NPDES GENERAL CONSTRUCTION PERMIT. THE TESC DEPARTMENT OF TRANSPORTATION "STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION", 2012 AND AS AMENDED BY MEASURES SHALL THEN BE IMPLEMENTED CONSISTENT WITH THE CONTRACTOR -PREPARED SWPPP. N THE CITY OF RENTON SUPPLEMENTAL SPECIFICATIONS AND THE CONTRACT SPECIAL PROVISIONS. d 2. THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE, REPLACEMENT, AND UPGRADING OF THESE ESC 3. ALL WORK SHALL BE SUBJECT TO THE INSPECTION OF THE CITY ENGINEER OR DESIGNATED REPRESENTATIVE. FACILITIES IS THE RESPONSIBILITY OF THE APPLICANT/ESC SUPERVISOR UNTIL ALL CONSTRUCTION IS APPROVED. 4. PRIOR TO BEGINNING CONSTRUCTION, THE CONTRACTOR SHALL MEET WITH THE CITY ENGINEER FOR A PRE -CONSTRUCTION CONFERENCE. 3. THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO OR IN CONJUNCTION WITH ALL CLEARING AND GRADING SO 5. A COPY OF THESE APPROVED PLANS AND PROJECT SPECIFICATIONS MUST BE ON THE SITE WHENEVER CONSTRUCTION IS IN PROGRESS. AS TO ENSURE THAT THE TRANSPORT OF SEDIMENT TO SURFACE WATERS, DRAINAGE SYSTEMS, AND ADJACENT PROPERTIES IS MINIMIZED. 6. PRIOR TO ANY SITE CONSTRUCTION THAT INCLUDES CLEARING OR GRADING, THE SITE CONSTRUCTION LIMITS SHALL BE LOCATED AND IDENTIFIED 4. THE ESC FACILITIES SHOWN ON THESE PLANS ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THE BY THE CONTRACTOR'S PROJECT SURVEYOR AND APPROVED BY THE CITY. CONSTRUCTION PERIOD, THESE ESC FACILITIES SHALL BE UPGRADED AS NEEDED FOR UNEXPECTED STORM EVENTS AND MODIFIED TO ACCOUNT FOR CHANGING SITE CONDITIONS (E.G., ADDITIONAL SUMP PUMPS, RELOCATION OF DITCHES AND SILT FENCES, ETC.). 7. LOCATIONS OF EXISTING UTILITIES ARE APPROXIMATE. UTILITIES ARE BASED ON A COMBINATION OF ONE OR MORE OF THE FOLLOWING: OBSERVATION OF SURFACE FEATURES, PAINT MARKS APPLIED BY AN UNDERGROUND UTILITY LOCATING SERVICE, POTHOLING OF SOME UTILITIES, AND RECORD SCHEMATIC DRAWINGS. UTILITIES SHOWN IN THESE DRAWINGS ARE FOR THE PURPOSES OF ASSISTING THE CONTRACTOR WITH LOCATING UTILITIES. CONTRACTOR SHALL FIELD LOCATE AND POTHOLE ALL UTILITIES WITHIN PROPOSED EXCAVATION LIMITS UNLESS OTHERWISE DIRECTED BY CITY. CONTACT UNDERGROUND UTILITY LOCATE SERVICE (1-800-424-5555) A MINIMUM OF 48 HOURS PRIOR TO ANY EXCAVATION TO OBTAIN ON -SITE UTILITY LOCATIONS. POTHOLING SHOULD BE DONE AT LEAST TEN (10) WORKING DAYS IN ADVANCE OF WORK IN THE AREA. TAKE PRECAUTIONS AND REMEDIAL MEASURES THAT MAY BE REQUIRED TO PROTECT PERSONS AND PROPERTY AND TO AVOID DISRUPTION OF SERVICE. UNLESS OTHERWISE NOTED, PROTECT ALL UTILITIES FROM DAMAGE WHICH SHALL INCLUDE PROVIDING TEMPORARY SUPPORT SYSTEMS AND SHORING AROUND UTILITIES DURING EXCAVATION. IF AN EXISTING PRIVATE UTILITY CONFLICTS WITH PROPOSED IMPROVEMENTS, COORDINATE THE RELOCATION OF THE PRIVATE UTILITY WITH THE UTILITY OWNER UNLESS NOTED OTHERWISE. 8. THE CONTRACTOR SHALL COMPLY WITH ALL PERMITS AND ALL OTHER REQUIREMENTS BY THE CITY OF RENTON. SEE APPROVED PERMITS AND PERMIT REQUIREMENTS IN THE PROJECT SPECIFICATIONS. 9. EXISTING UNDERGROUND WATER LINE BENDS AND BLOCKING ARE NOT SHOWN. 5. THE ESC FACILITIES SHALL BE INSPECTED DAILY BY THE APPLICANT/ESC SUPERVISOR AND MAINTAINED TO ENSURE CONTINUED PROPER FUNCTIONING. WRITTEN RECORDS SHALL BE KEPT OF WEEKLY REVIEWS OF THE ESC FACILITIES DURING THE WET SEASON (OCT. 1 TO APRIL 30) AND OF MONTHLY REVIEWS DURING THE DRY SEASON (MAY 1 TO SEPT. 30). 1. UNLESS NOTED OTHERWISE, RESTORE AND ADJUST ALL UTILITY CASTINGS TO FINAL GRADE. RESTORE PAVEMENT MARKINGS WITHIN AREAS DISTURBED BY CONSTRUCTION. 2. RESTORE SURVEY MONUMENTS. SEE SPECIAL PROVISIONS SECTION 1-11 AND THE SECTIONS ON SURVEY CONTROL AND MONUMENTS AND SURVEY MONUMENT REMOVAL OR DESTRUCTION. 3. THE CONTRACT DRAWINGS SHOW THE ANTICIPATED LIMITS OF HMA RESTORATION WORK. THESE LIMITS MAY BE ADJUSTED IN THE FIELD BY THE ENGINEER. SEE DWG C15 FOR ROADWAY RESTORATION DETAILS. TRENCH AND PAVEMENT RESTORATION SHALL ALSO COMPLY WITH CITY OF RENTON STANDARD DETAILS B063, B077, H032, AND H032.1. 4. WHERE EXISTING CONCRETE CURBS, GUTTERS, SIDEWALKS, DRIVEWAYS, AND RAMPS ARE REMOVED OR DAMAGED DURING EXCAVATION, THEY SHALL BE REPLACED. CONTRACTOR SHALL REPLACE CONCRETE SIDEWALK, CURB AND GUTTER TO THE NEAREST FULL DEPTH EXPANSION JOINT, OR IF ALLOWED BY ENGINEER, TO THE NEAREST CONTROL JOINT WHERE CONCRETE MUST BE SAWCUT. REPLACEMENT CURB, GUTTER, SIDEWALK, RAMPS, AND DRIVEWAYS SHALL MATCH EXISTING DIMENSIONS. CONTRACTOR SHALL TAKE SUFFICIENT MEASUREMENTS OF LOCATIONS AND THICKNESSES TO REPLACE IN KIND. A MINIMUM 4" THICK COMPACTED BASE OF CSBC IS REQUIRED UNDER ALL REPLACED CURB, GUTTER, SIDEWALKS, AND RAMPS UNLESS DIRECTED OTHERWISE BY THE ENGINEER. 6. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET 5. SEASON OR SEVEN DAYS DURING THE DRY SEASON SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED ESC METHODS (E.G., SEEDING, TRAFFIC LOOPS AND ASSOCIATED POWER THAT HAS BEEN DAMAGED ARE TO BE REPLACED IN MULCHING, PLASTIC COVERING, ETC.). KIND. EXACT LOCATION OF SAWCUTS FOR REPLACEMENT LOOPS ARE TO BE COORDINATED WITH THE ENGINEER. 7. ANY AREA NEEDING ESC MEASURES NOT REQUIRING IMMEDIATE ATTENTION SHALL BE ADDRESSED WITHIN FIFTEEN (15) DAYS. 6. EXISTING PAVEMENT MARKINGS FOR STOP BARS, RAILROAD CROSSING SYMBOLS, AND CROSSWALKS THAT ARE DISTURBED ARE TO BE REPLACED WITH THERMOPLASTIC MATERIALS. 8. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN FORTY-EIGHT (48) OTHER PAVEMENT MARKS SHALL BE REPLACED. IN KIND AS PER THE CONTRACT DOCUMENTS. HOURS FOLLOWING A STORM EVENT. GRATE RETRIEVAL SYSTEM 10. CONTRACTOR SHALL BE RESPONSIBLE FOR PREPARATION OF TRAFFIC CONTROL PLANS. CONTRACTOR SHALL SUBMIT PLANS TO THE ENGINEER 9• AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS FOR APPROVAL PRIOR TO IMPLEMENTATION. SEE TRAFFIC CONTROL REQUIREMENTS IN SECTION 1-10 IN THE SPECIAL PROVISIONS. EXCEPT FOR AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT -LADEN WATER INTO AS SPECIFICALLY NOTED IN SECTION 1-10, CONTRACTOR SHALL MAINTAIN A MINIMUM OF ONE LANE OPEN IN EACH DIRECTION AT ALL TIMES THE DOWNSTREAM SYSTEM. ON ALL ROADS WITHIN THE PROJECT AREA. 11. SEE THE "STANDARD DETAILS" SECTION OF THE PROJECT SPECIFICATIONS FOR REFERENCED CITY OF RENTON (COR) STANDARD DETAILS AND REFERENCED WASHINGTON STATE DEPARTMENT OF TRANSPORTATION (WSDOT) STANDARD DETAILS. 12. STORM SEWER LENGTHS ARE MEASURED BETWEEN CENTERS OF MANHOLES AND CATCH BASINS UNLESS OTHERWISE NOTED. 10. WHERE STRAW MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED, IT SHALL BE APPLIED AT A MINIMUM THICKNESS OF 2 TO 3 INCHES. 11. NO STOCKPILING/STAGING WILL BE CONDUCTED WITHIN THE RIGHT OF WAY OR CITY OWNED SITE. CONTRACTOR IS RESPONSIBLE FOR OBTAINING ITS OWN STOCKPILE/STAGING AREAS. 13. EXCEPT AS OTHERWISE NOTED, CATCH BASIN AND MANHOLE RIM ELEVATIONS GIVEN WITHIN PAVED AREAS ARE APPROXIMATE. FINAL ELEVATIONS 12. PUBLIC STREETS SHALL BE CLEANED ONCE PER DAY OR AS DIRECTED BY THE CITY. FLUSHING OF STREETS WITH WATER WILL NOT BE SHALL MATCH FINAL GRADE. ALLOWED. 14. NEW STORM SEWER MANHOLES SHALL BE CHANNELED. SEE DETAILS 2, 3, AND 4 ON DWG C8. 15. FOR BEDDING AND BACKFILLING AROUND EXISTING OR NEW UTILITIES USE CDF WHERE STANDARD METHODS DO NOT PERMIT COMPACTION REQUIREMENTS TO BE MET, AS SHOWN ON THE DWGS, OR AS DIRECTED BY ENGINEER. 16. FIELD LOCATE AND POTHOLE ALL UTILITIES LOCATED WITHIN PROPOSED EXCAVATIONS. PROVIDE INFORMATION ON EXISTING UTILITY TO ENGINEER TWO WEEKS PRIOR TO ANY UNDERGROUND WORK NEAR THE UTILITY. 17. SITE CONSTRUCTION LIMITS (PRESERVATION LINES) COINCIDE WITH CITY RIGHT-OF-WAY UNLESS SHOWN OTHERWISE. 22. SEGMENTS OF THE WORK MAY BE PERFORMED UNDER ELECTRICAL OVERHEAD POWER LINES. IT IS THE CONTRACTOR'S RESPONSIBILITY TO PERFORM THE WORK IN A SAFE MANNER AND IN ACCORDANCE WITH ANY REQUIREMENTS SET FORTH BY THE UTILITY OWNER AND APPLICABLE LAWS AND REGULATIONS. EXISTING OVERHEAD LIGHTING AND TRAFFIC SIGNALS ARE SHOWN AS SYMBOLS. THE ACTUAL EXTENTS OF THESE FEATURES ARE NOT SHOWN TO SCALE ON DRAWINGS. w 23. NEW STORM SEWERS 30" IN DIAMETER OR GREATER ARE SHOWN IN PLANS WITH OUTSIDE DIAMETER. NEW MANHOLES FOR THE STORM SEWER SYSTEM ARE SHOWN WITH OUTSIDE DIAMETER IN PLAN AND PROFILE. 0 24. NO STAGING AREA IS PROVIDED TO THE CONTRACTOR. ALL STAGING AREAS SHALL BE ON A CONTRACTOR SECURED AREA. ALL TESC REQUIREMENTS APPLY TO THE CONTRACTOR'S OBTAINED STAGING AREA. 0 25. TEMPORARY SHORING IS REQUIRED FOR ALL 36-INCH AND 60-INCH DIA STORM DRAIN WORK AND ASSOCIATED MANHOLES. MINIMUM SHORING TECHNIQUE SHALL BE USE OF TRENCH BOX SPECIAL SHORING TECHNIQUES ARE REQUIRED WHERE WORKING IN CLOSE PROXIMITY TO UTILITIES 13. IN ACCORDANCE WITH THE DEPARTMENT OF ECOLOGY REQUIREMENTS, WASTEWATER FROM CEMENT CONCRETE MASONRY, OR ASPHALT CONCRETE CUTTING, OR POURING OPERATIONS SHALL NOT BE DISCHARGED INTO STORM DRAINAGE SYSTEMS OR SURFACE WATERS. IMPERVIOUS SURFACES CONTAMINATED WITH SEDIMENT FROM GRIT AND CUTTING, PLANING OR PULVERIZING OPERATIONS SHALL BE VACUUM -CLEANED TO PREVENT CONTAMINANTS FROM ENTERING THE STORM DRAINAGE SYSTEM OR SURFACE WATERS. 14. CATCH BASIN INSERTS SHALL BE PLACED AT ALL CATCH BASINS ALONG PIPE ALIGNMENT. SEE DETAIL 1, THIS SHEET. 15. INSTALL SILT FENCING AROUND ENTIRE STAGING/STOCKPILE AREAS PER CDR STANDARD PLAN 214. 16. TEMPORARY SEDIMENTATION POND MAY BE REQUIRED IN CONTRACTOR STAGING AREA IF THE SILT FENCING IS NOT ADEQUATE. 17. KEEP PUBLIC AND PRIVATE ROADWAYS/PARKING LOTS, SIDEWALKS, AND TRAILS FREE OF DEBRIS AND SEDIMENT. 18. CONSTRUCT TEMPORARY STORMWATER BYPASSES AS NEEDED DURING CONSTRUCTION TO DIVERT STORMWATER AROUND TRENCHING AND PIPE INSTALLATION ACTIVITIES AND MAINTAIN DRAINAGE OF UPSTREAM STORMWATER. CONTRACTOR IS RESPONSIBLE FOR DESIGN OF STORM DRAIN BYPASS PLAN. UNLESS OTHERWISE NOTED, BYPASSES ARE TO BE DESIGNED TO HANDLE THE VOLUME AND PEAK FLOWS OF THE 2-YEAR STORM EVENT AT A MINIMUM. SUBMIT AS PART OF WATER CONTROL PLAN. STORM DRAIN BYPASS PLAN SHALL ALSO ADDRESS THE DOWNSTREAM SYSTEM AND PREVENTION OF STORMWATER ENTERING THE WORK AREA BY BACKING UP FROM DOWNSTREAM. 19. NEW STORM DRAINAGE PIPES MAY ONLY BE PLACED INTO SERVICE FOLLOWING TESTING AND ACCEPTANCE BY THE CITY. SEE SPECIFICATION SECTION 7-08. 20. ALL DEWATERING WATER AND RUNOFF WITHIN CONSTRUCTION AREAS SHALL BE TREATED VIA SEDIMENTATION, FILTRATION THROUGH VEGETATION IN APPROVED AREAS, OR PORTABLE FILTRATION SYSTEMS (UTILIZING TANKS AND FILTERS), AS NEEDED, PRIOR TO DISCHARGE 26. CONTRACTOR SHALL INSTALL HIGH VISIBILITY CONSTRUCTION FENCING MEETING WSDOT SECTION 9-14.5(8) AND STANDARD PLAN 1-10.10-01 A TO DOWNSTREAM SYSTEM IN ORDER TO MEET ALL APPLICABLE LOCAL, STATE AND FEDERAL WATER QUALITY REGULATIONS. CONTRACTOR MAY MINIMUM OF 3 FT AROUND ALL TREES IN SW 7TH STREET RIGHT-OF-WAY, STA 8+50 TO 30+00. ALSO DISCHARGE TO THE SANITARY SEWER SYSTEM AFTER OBTAINING APPLICABLE PERMITS AND MEETING PRETREATMENT REQUIREMENTS. 27. THE PROJECT AREA POTENTIALLY CONTAINS ARCHEOLOGICAL OBJECTS OF SIGNIFICANCE THAT MAY BE ENCOUNTERED DURING EXCAVATION. A DEPARTMENT OF ARCHAEOLOGY & HISTORICAL PRESERVATION PERMIT HAS BEEN OBTAINED AND INSPECTION BY AN ARCHEOLOGIST WILL OCCUR DURING CONSTRUCTION. SEE SPECIFICATION SECTION 1-07.16(4). 1128. SEE DWG C9 FOR BNSF COORDINATION NOTES AND SCHEDULING NOTES. ,I29. WHEN SEPARATION OF NEW PIPE IS LESS THAN 6" FROM EXISTING UTILITY USE ETHAFOAM PAD PER 7-08.2(2)K. 30. CONTRACTOR SHALL PERFORM A PRECONSTRUCTION SURVEY OF THE SW 7TH STREET ROADWAY CENTERLINE AND BNSF RAIL CROSSINGS (THREE THAT CROSS SW 7TH STREET) AT MINIMUM 25 FT SPACING TO PROVIDE A PRECONSTRUCTION RECORD OF ELEVATIONS. SURVEY SHALL TIE INTO PROJECT SURVEY CONTROL POINTS AND USE PROJECT STATIONING. PROVIDE COPY OF SURVEY RESULTS TO CITY. THE SURVEY RESULTS SHALL BE SHOWN ON THE PLAN SET AND ALSO INCLUDE SEPARATE LIST OF POINTS WITH HORIZONTAL COORDINATES, STATIONING, AND ELEVATION. 31. CONTRACTOR SHALL ERECT TWO (2) PROJECT SIGNS. SEE DETAIL 1, DWG C8. 32. NIGHT WORK CONSTRUCTION IS REQUIRED AT THE LIND AVENUE SW INTERSECTION. SEE SECTION 1-08 OF THE SPECIAL Q� oFSWAhls� PROVISIONS. E � � za Louis Berger 1 a �A RPCI TCRV� esst°NAL G` 520 Pike St, Ste 1005, Seattle, WA 98101 -206.453.1043 NO. 4181 PRELIMINARY CONSTRUCTION SEQUENCE GEOTEXTILE DETAIL 1 CATCH BASIN INSERT - SCALE: NTS OVERFLOW BYPASS TRIM GEOTEXTILE OVERFLOW BYPASS NOTES: 1. PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION 31 2500. 2. SIZE THE CATCH BASIN INSERT FOR THE STORMWATER STRUCTURE IT WILL SERVICE. 3. THE CATCH BASIN INSERT SHALL HAVE A BUILT-IN HIGH -FLOW RELIEF SYSTEM (OVERFLOW BYPASS). 4. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE INLET DEVICE WITHOUT SPILLING THE COLLECTED MATERIAL. 1. SUBMIT TRAFFIC CONTROL PLAN, TESC PLAN, STAGING PLAN, UTILITY 10. PERFORM ANY ADVANCED POTHOLING REQUESTED BY THE CITY. AT MINIMUM MEASURES FOR THE EXISTING WATER LINE PARALLEL TO STORM, AND PROTECTION PLAN AND MATERIALS SUBMITTALS. THIS SHALL INCLUDE THE VERIZON LINE AT STA 25+72. IMPLEMENT RELOCATIONS FOR WATER LINE CROSSINGS AS REQUIRED BY 2. ATTEND PRECONSTRUCTION CONFERENCE. 11. INSTALL PIPE CONNECTION AT EX MANHOLE AT STA 9+11 (WEST OF THE DRAWINGS. ALSO, PROVIDE TEMPORARY SUPPORT FOR UTILITIES BEING POWELL AVE SW). CROSSED SO THAT SERVICE IS NOT INTERRUPTED. 3. CALL FOR UTILITY LOCATES. 12. PROCEED WITH THE REMAINING UPSTREAM CONSTRUCTION. AS WORK 15. BACKFILL TRENCH AND PROVIDE A PAVEMENT PATCH AS REQUIRED BY THE 4. PERFORM POTHOLING. 5. PERFORM PRECONSTRUCTION SURVEY. PROCEEDS UPSTREAM, IMPLEMENT STORM DRAIN BYPASSES AROUND ACTIVE WORK AREA AS WELL AS CHECK DAMS WITHIN THE DOWNSTREAM 16. DRAWINGS.AS BUILT RESTORE CHANNELIZATION AND AS-BUILT 6. INSTALL GENERAL CONSTRUCTION SIGNS AND TRAFFIC CONTROL DEVICES. CONSTRUCTED PORTION OF THE NEW 60-INCH PIPE TO ALLOW THAT PAVEMENT MARKINGS. 7. INSTALL TESC CONTROL MEASURES. OF THE CONSTRUCTED SYSTEM TO DRAIN WHILE NOT BACKING UP 17 FLOW INTO THE ACTIVE WORK AREA. EXCAVATE TRENCH FOR STORM DRAIN REMOVE EROSION CONTROL 8. IMPLEMENT DEWATERING SYSTEM. PIPE INSTALLATION AND PROVIDE SHORING FOR TRENCH. MEASURES AFTER CITY APPROVAL OF WORK. R APPROVAL 9. PERFORM VAULT INSPECTION AT STA 29+45. SEE CONSTRUCTION NOTE 4 13. COORDINATE WITH BNSF PRIOR TO RR CROSSING AT STA 13+13, SEE rECOMMENDED E)�ON DWG C5. THIS INFORMATION WILL BE USED TO CONFIRM 60" SDSCHEDULING AND COORDINATION REQUIREMENTS ON DWG C9. SLOPE. 14. AS WORK PROCEEDS UPSTREAM, IMPLEMENT WATER LINE PROTECTION m PACE °E40x EAS NOTED CITY OF SW 7th ST, POWELL AVE SW TO LIND AVE SW o9/25/201E JF/JE/RL STORM SYSTEM IMPROVEMENT PROJECT - PHASE 2 AS -BUILT REVISIONS BID SEf MSG MSG 9/22/2018 a/1a/2o1s MSG" MSG AEG DATUM RENTON GENERAL NOTES, TESC NOTES AND ., N. °" G3 REVISION BY DATE APPR ­sG �`" , A"°"°'"°" Planning/Building/Public Works Dept. CONSTRUCTION SEQUENSE Ems. 3 °F: 20 ,mmmmmmm