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Home My WebLink AboutR-431601STEVENS AVE NW STORM SYSTEM PROJECT Ell GENERAL NOTES 1. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH APPLICABLE LOCAL, STATE AND FEDERAL LAWS. SEE THE "STANDARD DETAILS" SECTION OF THE PROJECT SPECIFICATIONS FOR REFERENCED CITY OF RENTON (COR) STANDARD DETAILS AND ANY REFERENCED WASHINGTON STATE DEPARTMENT OF TRANSPORTATION (WSDOT) STANDARD DETAILS. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH THE CITY OF RENTON STANDARDS AND THE CONTRACT SPECIAL PROVISIONS 2. ALL WORK SHALL BE SUBJECT TO INSPECTION BY THE CITY ENGINEER OR DESIGNATED REPRESENTATIVE. GENERAL ESC NOTES 1. THE TEMPORARY EROSION AND SEDIMENT CONTROL (TESC) PLAN OUTLINED HEREIN IS CONCEPTUAL. THE CONTRACTOR IS REQUIRED TO SUBMIT A FINAL TEMPORARY WATER POLLUTION AND EROSION CONTROL PLAN IN ACCORDANCE WITH SPECIAL PROVISIONS SECTION 1-07.15. 2. THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE, REPLACEMENT, AND UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF THE APPLICANT/ESC SUPERVISOR UNTIL ALL CONSTRUCTION IS APPROVED. 3. THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO OR IN CONJUNCTION WITH ALL CLEARING AND GRADING SO AS TO ENSURE THAT THE TRANSPORT OF SEDIMENT TO SURFACE WATERS, DRAINAGE SYSTEMS, AND ADJACENT PROPERTIES IS MINIMIZED. 4. THE ESC FACILITIES SHOWN ON THESE PLANS OR SPECIFIED HEREIN ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THE 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.). 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). 3. PRIOR TO BEGINNING CONSTRUCTION, THE CONTRACTOR SHALL MEET WITH THE CITY 6. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO Z N W ENGINEER FOR A PRECONSTRUCTION CONFERENCE. DAYS DURING THE WET SEASON OR SEVEN DAYS DURING THE DRY SEASON SHALL BE IMMEDIATELY STABILIZED _ Lu WITH THE APPROVED ESC METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.). W o - 4. A COPY OF THESE APPROVED PLANS AND PROJECT SPECIFICATIONS MUST BE ON THE SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 7. ANY AREA NEEDING ESC MEASURES NOT REQUIRING IMMEDIATE ATTENTION SHALL BE ADDRESSED WITHIN KING COUNTY m FIFTEEN (15) DAYS. (CITY OF RENTON f i 5. THE CITY OF RENTON ASSUMES NO LIABILITY FOR THE ACCURACY OF THE RECORD INFORMATION. CONTRACTOR SHALL FIELD LOCATE ALL UTILITIES WITHIN PROPOSED a�! m 8. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR N EXCAVATION LIMITS. CONTACT UNDERGROUND UTILITY LOCATE SERVICE (1-800-454-5555) A WITHIN FORTY-EIGHT (48) HOURS FOLLOWING A STORM EVENT. - MINIMUM OF 48 HOURS PRIOR TO ANY EXCAVATION TO OBTAIN ON -SITE UTILITY LOCATIONS. -- P R 0 J E C T CONTRACTOR SHALL POTHOLE ALL UNDERGROUND GAS, WATER, SERVICE CONNECTIONS, g AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A CATCH _ AVE s_ AND ALL OTHER UNDERGROUND UTILITIES PRIOR TO THE START OF CONSTRUCTION AND BASIN. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING LOCATION RENjON ,�_ �- NOTIFY THE ENGINEER OF ANY CONFLICTS. PRECAUTIONS AND REMEDIAL MEASURES SHALL OPERATION SHALL NOT FLUSH SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM. BE TAKEN AS REQUIRED TO PROTECT PERSONS AND PROPERTY AND TO AVOID DISRUPTION - OF SERVICE. UNLESS OTHERWISE NOTED, PROTECT ALL UTILITIES FROM DAMAGE WHICH 10. WHERE STRAW MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED, IT SHALL BE APPLIED AT A MINIMUM SHALL INCLUDE PROVIDING TEMPORARY SUPPORT SYSTEMS AND SHORING AROUND THICKNESS OF 2 TO 3 INCHES. - UTILITIES DURING EXCAVATION, IF AN EXISTING PRIVATE UTILITY CONFLICTS WITH PROPOSED IMPROVEMENTS COORDINATE THE RELOCATION OF THE PRIVATE UTILITY WITH THE UTILITY 11. PUBLIC STREETS SHALL BE CLEANED ONCE PER DAY OR AS DIRECTED BY THE CITY. FLUSHING OF STREETS WITH ,.,,. ,,: ;,,LY,,� • OWNER UNLESS NOTED OTHERWISE OR DIRECTED BY THE ENGINEER. WATER WILL NOT BE ALLOWED. VICINITY MAP NOT TO SCALE HORIZONTAL DATUM HORIZONTAL DATUM: CITY OF RENTON. BASED ON GPS MEASUREMENTS UTILIZING THE VIRTUAL REFERENCE NETWORK AND CONSTRAINED TO THE FOLLOWING CONTROL POINT: DESIGNATION: 1899 MONUMENT ID: PUNCH IN 2" BRASS DISK IN CONC MON IN CASE (DN-0.60') NORTH= 182,072.63 EAST= 1,297,108.45 VERTICAL DATUM VERTICAL DATUM: NAVD 88 BASED ON GPS MEASUREMENTS UTILIZING THE VIRTUAL REFERENCE Q NETWORK AND CONSTRAINED TO THE FOLLOWING VERTICAL BENCHMARK: b DESIGNATION: BM 106 MONUMENT ID: RAILROAD SPIKE (0.30' B.G.) ELEVATION = 203.92 FEET THE LOCATION AND DESCRIPTION OF ALL SURVEY MARKERS SHOWN HEREON ARE BASED ON FIELD OBSERVATIONS TAKEN IN JANUARY, 2025, UNLESS OTHERWISE INDICATED. WORK PERFORMED IN CONJUNCTION WITH THIS SURVEY UTILIZED THE FOLLOWING EQUIPMENT > AND PROCEDURES: (A) 1" TRIMBLE S7 SERIES ELECTRONIC TOTAL STATION, MAINTAINED TO THE Q MANUFACTURER'S SPECIFICATIONS PER W.A.C. 332-130-100. (B) FIELD TRAVERSE, EXCEEDING REQUIREMENTS SET FORTH IN W.A.C. 332-130-090. (C) LEAST SQUARES ADJUSTMENT USING StarNet VERSION 9.0 EXCEEDING REQUIREMENTS PER n W.A.C. 332-130-080. THIS SURVEY WAS PERFORMED WITHOUT THE BENEFIT OF A TITLE REPORT AND DOES NOT PURPORT TO SHOW ALL EASEMENTS. i THIS TOPOGRAPHIC SURVEY DRAWING ACCURATELY REPRESENTS SURFACE FEATURES LOCATED DURING THE COURSE OF THIS SURVEY. UNDERGROUND UTILITIES SHOWN HEREON ARE BASED / SOLELY UPON INFORMATION PROVIDED BY OTHERS AND PACE ENGINEERS, INC. DOES NOT z ACCEPT RESPONSIBILITY OR ASSUME LIABILITY FOR THEIR ACCURACY OR COMPLETENESS. Q CONTRACTOR/ENGINEERS SHALL VERIFY EXACT SIZE AND LOCATION PRIOR TO CONSTRUCTION. CALL FOR LOCATE: UTILITY LOCATION SERVICE: 811 Sp i i n / C 1 S �i Q z J NO. REVISION DESCRIPTION Sheet List Table Sheet Number Sheet Title C100 COVER C101 SITE PREPERATION PLAN C102 IMPROVEMENTS PLAN C103 DETAILS BY I DATE I APPR 6. CONTRACTOR SHALL BE RESPONSIBLE FOR PREPARATION OF TRAFFIC CONTROL PLANS. CONTRACTOR SHALL SUBMIT PLANS TO ENGINEER FOR REVIEW AND APPROVAL AT LEAST 10 WORKING DAYS PRIOR TO IMPLEMENTATION. 7. EXISTING WATERLINE BEND AND BLOCKING ARE NOT SHOWN. 8. STORM SEWER LENGTHS ARE MEASURED BETWEEN CENTERS OF MANHOLES AND CATCH BASINS UNLESS OTHERWISE NOTED. 9. EXCEPT AS OTHERWISE NOTED, CATCH BASIN AND MANHOLE RIM ELEVATIONS GIVEN ARE APPROXIMATE. FINAL ELEVATIONS SHALL MATCH FINAL GRADE. 10. SITE CONSTRUCTION LIMITS (PRESERVATION LINES) COINCIDE WITH CITY RIGHT-OF-WAY AND UTILITY EASEMENTS UNLESS SHOWN OTHERWISE. 11. FOR CLARITY OF DRAWINGS, OVERHEAD POWER AND TELECOM ARE NOT SHOWN ON THE DRAWINGS. CONTRACTOR IS ADVISED THAT THERE ARE OVERHEAD POWER AND TELECOM THROUGHOUT PROJECT AREA, INCLUDING DIRECTLY OVER PROPOSED PIPE IMPROVEMENTS. 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. 12. 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. 13. CONTRACTOR SHALL COORDINATE WITH CITY OF RENTON WATER UTILITY ABOUT ANY RELOCATION OR MODIFICATION TO SERVICE LINES. TEMPORARY WATER SERVICE RELOCATION INCLUDES SERVICE LINE AND CONNECTION FITTINGS AND SHALL BE INCIDENTAL TO OTHER PAYMENT ITEMS. 14. ALL STORM DRAINAGE PIPES SHALL HAVE WATERTIGHT JOINTS PER MANUFACTURER RECOMMENDATION. 15. CONTRACTOR SHALL REPLACE ANY SURVEY MONUMENTS DISTURBED IN ACCORDANCE WITH SECTION 1-05.4 OF THE SPECIAL PROVISIONS AND CITY OF RENTON SURVEY STANDARDS AT NO ADDITIONAL COST TO THE CITY OF RENTON. SURVEYED: SCALE: PACE DESIGNED: CJ ONE INCH DRAWN: ci AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY CHECKED: JF DATUM: VERTICAL: NAVD 1988 PROJMGR: Ci HORIZONTAL: NAD 1983/1991 CITY OF RENTON Public Works Department APPROVED FOR CONSTRUCTION BY: DATE: 12. 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. 13. CATCH BASIN INSERTS SHALL BE PLACED AT ALL CATCH BASINS ALONG PIPE ALIGNMENT. SEE CITY OF RENTON STANDARD PLAN 216.30. 14. INSTALL SILT FENCING AROUND ENTIRE STAGING/STOCKPILE AREAS PER COR STANDARD PLAN 214. 15. TEMPORARY SEDIMENTATION TANK MAYBE REQUIRED IN CONTRACTOR STAGING AREA IF THE SILT FENCING IS NOT ADEQUATE. 16. KEEP PUBLIC AND PRIVATE ROADWAYS/PARKING LOTS, SIDEWALKS, AND TRAILS FREE OF DEBRIS AND SEDIMENT. 17. 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. 18. 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 TO DOWNSTREAM SYSTEM IN ORDER TO MEET ALL APPLICABLE LOCAL, STATE AND FEDERAL WATER QUALITY REGULATIONS. CONTRACTOR MAY ALSO DISCHARGE TO THE SANITARY SEWER SYSTEM AFTER OBTAINING APPLICABLE PERMITS AND MEETING PRETREATMENT REQUIREMENTS. Call 48 Hours Before You Dig 1-800-424-5555 or 811 R-431601 UNDERGROUND SERVICE COR PROJECT NO: SW P-27-4316 STEVENS AVE NW STORM SYSTEM PROJECT DATE RECORD DEC2025 DRAWINGSDRAWING NO: COVER C100 SHEET NO: OF: 1 4