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HomeMy WebLinkAboutD-397603GENERAL NOTES G0.03 3O:\proj\Y2018\18-06779-000\CAD\Dwg\record\Legend_notes-rcd.dwg | 12/5/2022 9:55 AM | Eric MarshallAT FULL SIZE, IF NOT ONEINCH SCALE ACCORDINGLYDRAWN: CHECKED: APPROVED: DATE: PROJECT NO:ONE INCH© 2022 Herrera Environmental Consultants, Inc. All rights reserved.DESIGNED: DESIGNED: DESIGNED: SCALE: DRAWN: DRAWING NO: SHEET NO: OFNo.REVISION BY APP'D DATE CALL 811 BEFORE YOU DIG PROF ESSIONAL E N G IN EERR EGIST E R E DSTATE O F WASHIN G TON29434 M A R K E WBA N KRECORD DRAWINGS NOVEMBER 2022 18-06779-001 MADSEN CREEK FLOOD RISK REDUCTION PROJECT 15 J. WAGGONER R. GLEASON C. WEST AS NOTED E. MARSHALL R. GLEASON M. EWBANK M. EWBANK GENERAL CONSTRUCTION NOTES: 1.ALL WORK SHALL CONFORM TO THE CURRENT VERSION OF THE WASHINGTON STATE DEPARTMENT OF TRANSPORTATION (WSDOT) STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION, CITY OF RENTON CIVIL CONSTRUCTION STANDARDS, AND ALL OTHER APPLICABLE CODES AND STANDARDS UNLESS SPECIFICALLY INDICATED OTHERWISE BY THESE PLANS 2.IN CASE OF A CONFLICT BETWEEN THE REGULATORY STANDARDS OR SPECIFICATIONS, THE MORE STRINGENT REQUIREMENT SHALL PREVAIL. 3.A COPY OF THE APPROVED PLANS SHALL BE ONSITE DURING CONSTRUCTION AT ALL TIMES. 4.CONTRACTOR SHALL NOT COMMENCE WORK UNTIL WRITTEN AUTHORIZATION TO PROCEED HAS BEEN PROVIDED BY OWNER. 5.A PRE CONSTRUCTION MEETING AND A 24-HOUR NOTICE IS REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. IT IS THE CONTRACTOR'S RESPONSIBILITY TO ARRANGE THE PRE CONSTRUCTION MEETING WITH ALL CONCERNED PARTIES (OWNER AND ENGINEER). 6.THE CONTRACTOR SHALL RETAIN, REPLACE OR RESTORE ALL VEGETATION IN RIGHTS-OF-WAY, EASEMENTS, AND ACCESS TRACTS THAT IS DISTURBED DURING CONSTRUCTION BEYOND THE CLEARING LIMITS SHOWN ON THESE PLANS AT NO COST TO THE OWNER. 7.PROTECT EXISTING CURB, GUTTER, SIDEWALK, TRAIL, DRIVEWAYS, AND ROAD SHOULDERS (PAVED OR GRAVEL) FROM DAMAGE DURING CONSTRUCTION. DEMOLISH ONLY THOSE FACILITIES INDICATED ON THE PLANS. CONTRACTOR SHALL REPLACE AT THEIR COST ANY FACILITY TO REMAIN THAT IS DAMAGED AS A RESULT OF CONTRACTOR'S OPERATIONS. 8.VERTICAL DATUM SHALL BE NAVD 88 AND HORIZONTAL DATUM SHALL BE NAD 83 (WA STATE PLANE, NORTH), UNLESS OTHERWISE APPROVED BY THE CITY. REFERENCE BENCHMARK, DATUM, AND ELEVATIONS SHALL BE NOTED ON THE PLANS. 9.CRITICAL AREAS ARE ADJACENT TO AND WITHIN THE PROJECT LIMITS. CONTRACTOR SHALL IDENTIFY AND MARK ALL WETLANDS AND OTHER SENSITIVE AREAS PRIOR TO CONSTRUCTION. SITE PREPARATION NOTES: 1.THE CONTRACTOR SHALL PREPARE AND IMPLEMENT A SPILL PREVENTION, CONTROL, AND COUNTERMEASURE PLAN (SPCC PLAN) FOR ALL FUELS, PETROLEUM PRODUCTS, AND HAZARDOUS MATERIALS, AS DEFINED IN ACCORDANCE WITH SECTION 1-07.15(1) OF THE STANDARD SPECIFICATIONS, INCLUDING THE WSDOT REPORT TEMPLATE REFERENCED IN THAT SECTION. 2.TRAFFIC CONTROL MEASURES SHALL BE EMPLOYED IN ACCORDANCE WITH CITY OF RENTON TEMPORARY TRAFFIC CONTROL REQUIREMENTS. 3.THE CONTRACTOR SHALL BE RESPONSBILE FOR THE VERIFICATION OF EXISTING UTILITY LOCATIONS WHETHER OR NOT THESE UTILITIES ARE SHOWN ON THE PLANS. THE CONTRACTOR SHALL EXERCISE CARE TO AVOID DAMAGE TO ANY UTILITY. IF CONFLICTS WITH EXISTING UTILITIES ARISE DURING CONSTRUCTION, THE CONTRACTOR SHALL NOTIFY THE ENGINEER. 4.THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL EROSION AND SEDIMENT CONTROL, INCLUDING PROTECTION OF ALL ADJACENT PROPERTIES FROM SEDIMENT DEPOSITION. 5.THE CONTRACTOR SHALL CLEAR, GRUB, AND REMOVE ALL UNSUITABLE MATERIAL FROM THE SITE AS DESCRIBED IN THE CONTRACT DOCUMENTS. TRAFFIC CONTROL NOTES: 1.THE CONTRACTOR SHALL BE RESPONSIBLE FOR TEMPORARY TRAFFIC CONTROL DURING CONSTRUCTION ON OR ALONG TRAVELED CITY ROADS PER SECTION 1-10 OF THE STANDARD SPECIFICATIONS. 2.TRAFFIC CONTROL SHALL BE MAINTAINED BY THE CONTRACTOR FOR THE DURATION OF CONSTRUCTION. INTERRUPTION OF NORMAL TRAFFIC FLOW SHALL REQUIRE TRAFFIC CONTROL. 3.THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARDS, 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 CONTRACTOR. 4.ALL BARRICADES, SIGNS AND FLAGGING SHALL CONFORM TO THE REQUIREMENTS OF THE MUTCD. SIGNS MUST BE LEGIBLE AND VISIBLE AND SHALL BE REMOVED AT THE END OF EACH WORK DAY IF NOT APPLICABLE AFTER CONSTRUCTION HOURS. 5.CONTRACTOR SHALL PREPARE A TRAFFIC CONTROL PLAN FOR THE CITY'S APPROVAL PRIOR TO CONSTRUCTION. 6.CONTRACTOR SHALL ERECT SIGNAGE ALONG STATE ROUTE 169 TO NOTIFY MOTORISTS ABOUT TRUCKS ENTERING AND LEAVING THE HIGHWAY THROUGH THE EXISTING MAINTENANCE ACCESS ROAD ON THE WEST SIDE OF THE HIGH FLOW BYPASS CHANNEL. TEMPORARY EROSION AND SEDIMENT CONTROL NOTES: SEE DWGS C2.10-C2.30 FOR TESC PLAN FOR EACH WORK SITE. 1.BEFORE ANY CONSTRUCTION OCCURS, A PRE-CONSTRUCTION MEETING SHALL BE HELD AMONG THE CITY OF RENTON AND THE CONTRACTOR. 4.THE BOUNDARIES OF THE CLEARING LIMITS, SENSITIVE AREAS AND THEIR BUFFERS, AND AREAS OF VEGETATION PRESERVATION AND TREE RETENTION AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY DELINEATED BY FENCING AND PROTECTED IN THE FIELD IN ACCORDANCE WITH APPENDIX D OF THE CITY OF RENTON SURFACE WATER DESIGN MANUAL (RENTON SWDM) PRIOR TO THE START OF CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE CONTRACTOR'S ESC SUPERVISOR FOR THE DURATION OF CONSTRUCTION. 5.STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL MEASURES, SUCH AS CONSTRUCTED WHEEL WASH SYSTEMS OR WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN AND TRACK-OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR THE DURATION OF THE PROJECT. IF SEDIMENT IS TRACKED OFFSITE, PUBLIC ROADS SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY, OR MORE FREQUENTLY DURING WET WEATHER, AS NECESSARY TO PREVENT SEDIMENT FROM ENTERING WATERS OF THE STATE. MAINTAIN ACCESS TO UTILITIES WITHIN STABILIZED CONSTRUCTION ENTRANCE THROUGHOUT CONSTRUCTION. REVERT ENTRANCE AND GRADES AROUND FACILITIES TO EXISTING CONDITIONS UPON COMPLETION OF PROJECT. 7.ALL REQUIRED ESC BMPS SHALL BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND/OR CONSTRUCTION TO PREVENT TRANSPORTATION OF SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS AND ADJACENT PROPERTIES. ALL ESC BMPS SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND/OR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON-SITE EROSION HAS PASSED. ALL ESC BMPS SHALL BE REMOVED AFTER CONSTRUCTION IS COMPLETED AND THE SITE HAS BEEN STABILIZED TO ENSURE POTENTIAL FOR ON-SITE EROSION DOES NOT EXIST. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT, ENHANCEMENT, AND REMOVAL OF ESC BMPS SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR. 8.ANY HAZARDOUS MATERIALS OR LIQUID PRODUCTS THAT HAVE THE POTENTIAL TO POLLUTE RUNOFF SHALL BE DISPOSED OF PROPERLY. 9.THE ESC BMPS DEPICTED ON DWGS C2.10-C2.30 ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE CONTRACTOR SHALL ANTICIPATE THAT MORE ESC BMPS 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 CONTRACTOR TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL ESC BMPS, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM. 10.APPROVAL OF THIS PLAN IS FOR ESC ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR STORMWATER FACILITIES. 12.ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER 1ST THROUGH APRIL 30TH) OR SEVEN DAYS DURING THE DRY SEASON (MAY 1ST THROUGH SEPTEMBER 30TH) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED ESC COVER METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.) IN CONFORMANCE WITH APPENDIX D OF THE RENTON SWDM. 13.WET SEASON ESC REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES BETWEEN OCTOBER 1ST AND APRIL 30TH, UNLESS OTHERWISE APPROVED BY THE CITY. 14.ANY AREA NEEDING ADDITIONAL ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN SEVEN (7) DAYS. 15.THE ESC BMPS ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED AT A MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS FOLLOWING A STORM EVENT. INSPECTION AND MAINTENANCE SHALL OCCUR MORE FREQUENTLY AS REQUIRED BY THE CITY. 16.BEFORE COMMENCEMENT OF ANY CONSTRUCTION ACTIVITY, CATCH BASIN INSERTS PER THE CITY STANDARD PLAN 216.30 SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN 500 FEET OF A DISTURBED OR CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE INLET WILL BE CONVEYED TO A SEDIMENT POND OR TRAP. ALL CATCH BASIN INSERTS SHALL BE PERIODICALLY INSPECTED AND REPLACED AS NECESSARY TO ENSURE FULLY FUNCTIONING CONDITION. 17.AT NO TIME SHALL SEDIMENT ACCUMULATION EXCEED 2/3 OF THE CAPACITY OF THE CATCH BASIN SUMP. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT-LADEN WATER INTO THE DOWNSTREAM SYSTEM. 19.AREAS DESIGNATED ON THE PLAN(S) CONTAINING EXISTING STORMWATER FACILITIES OR ON-SITE BMPS (AMENDED SOILS, BIORETENTION, PERMEABLE PAVEMENT, ETC.) SHALL BE CLEARLY FENCED AND PROTECTED USING ESC BMPS TO AVOID SEDIMENTATION AND COMPACTION DURING CONSTRUCTION. 20.PRIOR TO THE BEGINNING OF THE WET SEASON (OCTOBER 1ST), ALL DISTURBED AREAS SHALL BE INSPECTED TO IDENTIFY WHICH ONES SHALL BE SODDED OR SEEDED IN PREPARATION FOR THE WINTER RAINS. DISTURBED AREAS SHALL BE SODDED OR SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON. AN EXHIBIT OF THOSE AREAS TO BE SODDED OR SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE CITY FOR REVIEW. 21.PRIOR TO FINAL CONSTRUCTION ACCEPTANCE, THE PROJECT SITE SHALL BE STABILIZED TO PREVENT SEDIMENT-LADEN WATER FROM LEAVING THE PROJECT SITE, ALL ESC BMPS SHALL BE REMOVED, AND STORMWATER CONVEYANCE SYSTEMS, FACILITIES, AND ON-SITE BMPS SHALL BE RESTORED TO THEIR FULLY FUNCTIONING CONDITION. ALL DISTURBED AREAS OF THE PROJECT SITE SHALL BE VEGETATED OR OTHERWISE PERMANENTLY STABILIZED. AT A MINIMUM, DISTURBED AREAS SHALL BE SODDED OR SEEDED AND MULCHED TO ENSURE THAT SUFFICIENT COVER WILL DEVELOP SHORTLY AFTER FINAL APPROVAL. MULCH WITHOUT SEEDING IS ADEQUATE FOR AREAS TO BE LANDSCAPED BEFORE OCTOBER 1ST. KING COUNTY WASTEWATER TREATMENT DIVISION NOTES: 1.THE LPA PROGRAM MUST BE CONTACTED AT 206-477-5414 OR LPA.team@kingcounty.gov AT LEAST FIVE (5) WORKING DAYS IN ADVANCE OF THE PRE-CONSTRUCTION CONFERENCE FOR THIS PROJECT. 2.THE LPA PROGRAM MUST BE CONTACTED AT 206-477-5414 OR LPA.team@kingcounty.gov AT LEAST THREE (3) WORKING DAYS PRIOR TO CONSTRUCTION ACTIVITY WITHIN 50 FEET OF THE KING COUNTY SEWER PIPE. 3.KING COUNTY MUST BE PROVIDED WITHE THE CONTRACTOR'S CONTACT INFORMATION PRIOR TO THE START OF CONSTRUCTION. 4.KING COUNTY SHALL REVIEW AND COMMENT ON THE CONTRACTOR'S ACCIDENT PREVENTION PROGRAM PER WASHINGTON ADMINISTRATIVE CODE (WAC) 296-800-140/296-155-110 AND SITE-SPECIFIC/PROJECT-SPECIFIC HEALTH AND SAFETY PLAN (HASP) PER WAC 296-155/WD 27.00. RECORD DRAWINGS: THE REVISIONS TO THESE CONTRACT DOCUMENTS REFLECT CHANGES IN THE WORK MADE DURING CONSTRUCTION BASED ON CHANGE ORDERS AND DATA FURNISHED BY THE CONTRACTOR. THESE RECORD DRAWINGS DO NOT IMPLY OR WARRANT THAT THE FACILITIES SHOWN ARE “AS-BUILT”. FUTURE WORK INVOLVING THESE FACILITIES SHOULD BE SUPPORTED BY ACTUAL FIELD LOCATIONS AND MEASUREMENTS. AS-BUILT D-397603