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HomeMy WebLinkAbout2017_08_04-Design for SubmittalUTILITY SPECIFICATION SURFACE WATER DRAINAGE NOTES AND SPECIFICATIONS 1.BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE-CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON PLAN REVIEWER. 2.ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE CURRENT STANDARD SPECIFICATION FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY WSDOT AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON PUBLIC WORKS DEPARTMENT. 3.THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS, WHICH ARE ON FILE IN THE PUBLIC WORKS DEPARTMENT 4.A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 5.DATUM FOR VERTICAL CONTROL SHALL BE NORTH AMERICAN VERTICAL DATUM 1988 METERS, AND FOR HORIZONTAL CONTROL SHALL BE NORTH AMERICAN DATUM 1983/1991 METERS UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON PUBLIC WORKS DEPARTMENT. REFERENCE BENCHMARK AND ELEVATIONS ARE NOTED ON THE PLANS. 6.ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON-SITE EROSION HAS PASSED. 7.ALL RETENTION/DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION. 8.GRASS SEED MAY 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 PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION. 9.ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7-02.3(1) OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL, TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS "C", THE THE EXCEPTION OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 96% FOR PAVEMENT AND STRUCTURAL FILL AND 90% OTHERWISE PER ASTM D-1557-70. PEA GRAVEL BEDDING SHALL BE 6 INCHES OVER AND UNDER PVC PIPE. 10.GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE. 11.STRUCTURES SHALL NOT BE PERMITTED WITHIN 10 FEET OF THE SPRING LINE OF ANY STORM DRAINAGE PIPE, OR 15 FEET FROM THE TOP OF ANY CHANNEL BANK. 12.ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL. 13.OPEN CUT ROAD CROSSINGS THROUGH EXISTING PUBLIC RIGHT OF WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLY APPROVED BY THE CITY OF RENTON PLANNING/BUILDING/PUBLIC WORKS ADMINISTRATOR. 14.ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A DEPTH OF ONE (1) FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4 - 8 INCH ROCK / 40 - 70% PASSING; 2 - 4 INCH ROCK / 30 - 40% PASSING; AND LESS THAN 2 INCH ROCK / 10 - 20% PASSING. 15.ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS APPROVED BY THE CITY PLAN REVIEWER OR SURFACE WATER UTILITY SECTION. AN ACCURATELY DIMENSIONED, CERTIFIED AS-BUILT DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY UPON COMPLETION. 16.ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE CONTINUING LEGAL OBLIGATION AND/OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY OF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE SYSTEM PROVIDED DURING CONSTRUCTION. 17.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 O PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACT. ANY WORK WITHIN THE TRAVELED RIGHT OF WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN APPROVED BY THE PUBLIC WORKS DEPARTMENT, TRANSPORTATION SYSTEM DIVISION. ALL SECTIONS OF THE WSDOT STANDARD SPECIFICATIONS 1-07-23 TRAFFIC CONTROL SHALL APPLY. 18.SPECIAL DRAINAGE MEASURES WILL BE REQUIRED IF THE PROJECT LOCATION IS WITHIN THE AQUIFER PROTECTION AREA (APA). UTILITY SPECIFICATION EROSION CONTROL NOTES 1.BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE-CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON, PUBLIC WORKS DESIGN ENGINEER. 2.ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING CONSTRUCTION. 3.ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND/OR 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 IS COMPLETED AND POTENTIAL FOR ON-SITE EROSION HAS PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION/SEDIMENTATION CONTROL SYSTEM SHALL BE THE RESPONSIBILITY OF THE PERMITEE. 4.THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE PERMITEE SHALL 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 PERMITEE TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM. 5.APPROVAL OF THIS PLAN IS FOR EROSION/SEDIMENTATION CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES. 6.DURING THE TIME PERIOD OF OCTOBER 1ST THROUGH APRIL 30TH, ALL PROJECT DISTRIBUTED SOIL AREAS GREATER THAN 5,000 SQUARE FEET, THAT ARE TO BE LEFT UN-WORKED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING OR PLASTIC COVERING. 7.IN AN AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NOT FURTHER WORK IS ANTICIPATED FOR A PERIOD 30 DAYS OR MORE, ALL DISTURBED AREAS MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR OTHER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE TIME OF YEAR. BRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APRIL THROUGH SEPTEMBER, INCLUSIVE. SEEDING MAY PROCEED, HOWEVER, WHENEVER IT IS IN THE INTEREST OF THE PERMITEE, BUT MUST BE AUGMENTED WITH MULCHING, NETTING OR OTHER TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE THE SPECIFIED TIME PERIOD. 8.FOR ALL EROSION/SEDIMENTATIN CONTROL PONDS WHERE THE DEAD STORAGE DEPTH EXCEEDS 6 INCHES, A FENCE IS REQUIRED WITH A MINIMUM HEIGHT OF THREE (3) FEET, 3:1 SIDE SLOPE. 9.A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE, 24 FEET x 50 FEET x 8 INCHES OF 4 TO 6 INCH QUARRY SPALLS SHALL BE LOCATED AT ALL POINTS OF VEHICULAR INGRESS AND EGRESS TO THE CONSTRUCTION SITE.HIGHWAY 167108TH AVE SE176TH STREET S CA R R R O A D VICINITY MAP SITE PROJECT LOCATION CONTACTS DEVELOPER KING COUNTY HOUSING AUTHORITY HUGH WATKINSON CAPITAL CONSTRUCTION PROJECT MANAGER 600 ANDOVER PARK WEST SEATTLE, WA 98188 SURVEYOR TRIAD GREGORY T. JUNEAU, PLS 20300 WOODINVILLE SNOHOMISH ROAD NE, SUITE A WOODINVILLE, WA 98072 PH 425-415-2041 CIVIL ENGINEER INNOVA ARCHITECTS PAUL MCCORMIK, PE 950 PACIFIC AVENUE, SUITE 450 TACOMA, WA 98402 PH 253-572-4903 UTILITIES WATER - CITY OF RENTON SEWER - CITY OF RENTON STORM - CITY OF RENTON TELEPHONE - QWEST / CENTURY LINK POWER - PUGET SOUND ENERGY NAT GAS - PUGET SOUND ENERGY A PORTION OF THE SW 1/4 OF THE NE 1/4 OF SECTION 32, TOWNSHIP 23, RANGE 5 E., W.M. CITY OF RENTON, KING COUNTY, WASHINGTON KING COUNTY HOUSING AUTHORITY-VANTAGE GLEN MOBILE HOME PARK Know what's R SITE DETAILS ADDRESS:18102 107TH PL SE, RENTON, WA PARCEL:322305-9361 ZONING:RESIDENTIAL MANUFACTURED HOMES GROSS SITE AREA:“6) “$&5(6 PROJECT SITE AREA:“6) “$&5(6 AUTOCAD FILE AUTOCAD DRAWING FILES ARE AVAILABLE FOR SITE LAYOUT UPON REQUEST. GENERAL NOTES TAKEN FROM SURVEY 1.) BOUNDARY LINES SHOWN ARE BASED ON RENTON SHORT PLAT #LUA-08-137-SHPL RECORDED IN VOLUME 268 OF SURVEYS, PAGES 168-170, IN KING COUNTY, WASHINGTON. 2.) INSTRUMENTATION FOR THIS SURVEY WAS A TRIMBLE VX SPATIAL STATION. PROCEDURES USED IN THIS SURVEY WERE FIELD TRAVERSE, MEETING OR EXCEEDING STANDARDS SET BY WAC 332-130-090. 3.) THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF A SURVEY MADE IN MAY 2017 AND CAN ONLY BE CONSIDERED AS INDICATING THE GENERAL CONDITION EXISTING AT THAT TIME. 4.) SANITARY SEWER AND STORM DRAINAGE FACILITIES HAVE BEEN ASBUILT THROUGH FIELD MEASUREMENTS OF THE LOCATION OF THE ACCESS STRUCTURES, THE TOP ELEVATION OF THE STRUCTURES, AND THE INVERT ELEVATIONS OF ANY PIPES ENTERING OR LEAVING THE STRUCTURES. IT IS STANDARD PRACTICE TO SHOW THE PIPES CONNECTING THESE STRUCTURES AS STRAIGHT LINES. THIS IS ONLY AN ASSUMPTION AND THE ACTUAL LOCATION OF THE PIPING MUST BE VERIFIED IN THE FIELD BY THE CONTRACTOR PRIOR TO ANY CONSTRUCTION. 5.) NO EASEMENTS, RESTRICTIONS OR RESERVATION OF RECORD WHICH WOULD BE DISCLOSED BY TITLE REPORT ARE SHOWN. 6.) PIPE ELEVATIONS SHOWN FOR INACCESSIBLE YARD DRAIN STRUCTURES ARE APPROXIMATE TO THE TENTH OF A FOOT AND SHOULD BE FIELD VERIFIED PRIOR TO ANY CONSTRUCTION ACTIVITY AS NECESSARY. BASIS OF BEARING RENTON SHORT PLAT #LUA-08-137-SHPL RECORDED IN VOLUME 268 OF SURVEYS, PAGES 168-170, IN KING COUNTY, WASHINGTON LEGAL DESCRIPTION LOT 2 AND TRACT C-2 OF RENTON SHORT PLAT #LUA-08-137-SHPL RECORDED IN VOLUME 268 OF SURVEYS, PAGES 168-170, IN KING COUNTY, WASHINGTON HORIZONTAL DATUM NAD83/91 - WASHINGTON NORTH ZONE BASED ON TIES TO CITY OF RENTON CONTROL POINTS NOS. 1866 AND 2110 VERTICAL DATUM NAVD 88 BENCH MARK ORIGINAL BENCHMARK: CITY OF RENTON BENCH MARK NO. 2139 TOP OF 3" BRASS DISC SET IN DRILL HOLE OF LUMINARY STAMPED "KING &2817<.&)$“ ($672)ȭ 108TH AVE NE AT THE INTERSECTION :,7+6(3(7529,76.<5'$1'“ :(672)%8,/',1* ELEVATION = 400.99 (NOT SHOWN HEREON) TBM "A" TOP OF CHISELED SQUARE AT THE NORTHWEST CORNER OF THE WEST END 2)&21&5(7(6,'(:$/.217+(6287+6,'(2)6(7+67%(,1*“ :(672)7+(,17(56(&7,212)6(7+67$1'7+$9(6($1'“ WEST OF CENTERLINE CROSSWALK TO FRED MEYER SHOPPING CENTER. ELEVATION = 384.73 (NOT SHOWN HEREON) TBM "B" TOP OF RAIL ROAD SPIKE SET IN WEST FACE POWER POLE 1.2' ABOVE GRADE ON THE EAST SIDE OF 105TH PL SE LOCATED AT THE APPROXIMATE EXTENSION OF THE NORTH PROPERTY LINE. ELEVATION = 380.33 (NOT SHOWN HEREON) CIVIL SHEET INDEX SHEET NO SHEET TITLE C1.0 COVER SHEET C1.1 DRAINAGE PLAN AND PROFILE C1.2 DETAILS CONSTRUCTION SEQUENCE 1.CONTRACTOR TO ARRANGE AND ATTEND PRE-CONSTRUCTION MEETING. 2.POST SIGN WITH NAME AND PHONE NUMBER OF CSWPP/ESC SUPERVISOR (MAY BE CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION SIGN. 3.FLAG OR FENCE CLEARING LIMITS. 4.INSTALL CATCH BASIN PROTECTION AND STORMWATER BMP AREA PROTECTION AS REQUIRED. 5.INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.) AS NEEDED. 6.MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH APPENDIX D OF THE CITY OF RENTON SURFACE WATER DESIGN MANUAL AND MANUFACTURE'S RECOMMENDATIONS. 7.RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT AS SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL AND POLLUTION PREVENTION IS ALWAYS IN ACCORDANCE WITH THE CITY'S EROSION AND SEDIMENT CONTROL STANDARDS. 8.COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS DURING THE DRY SEASON OR TWO DAYS DURING THE WET SEASON WITH STRAW, WOOD FIBER MULCH, COMPOST, OR EQUIVALENT. 9.STABILIZE ALL AREA THAT REACH FINAL GRADE WITHIN SEVEN DAYS. 10.SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS. 11.CONSTRUCT STORM LINE AS SHOWN ON PLAN. PROVIDE PAVEMENT PATCHING/RESTORATION AS SHOWN ON PLANS. 12.UPON COMPLETION OF THE PROJECT, ALL DISTURBER AREAS MUST BE STABILIZED AND BMP'S REMOVED IF APPROPRIATE. SD SD SD SD SD SD SD SD SD SD SD SD SD SD EXISTING SURFACE Know what's R A PORTION OF THE SW 1/4 OF THE NE 1/4 OF SECTION 32, TOWNSHIP 23, RANGE 5 E., W.M. CITY OF RENTON, KING COUNTY, WASHINGTON KING COUNTY HOUSING AUTHORITY-VANTAGE GLEN MOBILE HOME PARK KEY NOTES: 1 REMOVE DEBRIS FROM EXISTING CATCH BASIN OR YARD DRAIN. SEE GENERAL NOTES. 2 CLEAN EXISTING STORM DRAIN PIPE. SEE GENERAL NOTES. 3 PROVIDE NEAT LINE SAWCUT AND PAVEMENT PATCH HOT TAR AND SEAL JOINT. 4 RECONSTRUCT IN-KIND CONCRETE ROLLED CURB AND GUTTER. 5 CONNECT NEW 10" STORM DRAIN TO EXISTING CATCH BASIN. SEE GENERAL NOTES. 6 PROTECT EXISTING UTILITIES AND STRUCTURES. RESTORE ANY DISTURBED AREA IN-KIND. 7 CONNECT EXISTING YARD DRAINS TO NEW 10" STORM LINE WITH WYE CONNECTION. 8 POTHOLE AND LOCATE EXISTING 8" STORM LINE. CONNECT DOWNSPOUTS TO EXISTING 8" STORM. 9 CONNECT EXISTING ROOF DRAIN DOWN SPOUT TO NEW 8" ROOF DRAIN AND PROVIDE CLEANOUT. 10 PROVIDE INLET PROTECTION. SEE DETAIL 1 2 3 1 2 1 1 1 5 46 46 GENERAL NOTES: 1.CONNECT SELECTED ROOF DOWN SPOUTS AS SHOWN ON PLAN. 2.PROVIDE CB TYPE 1 PER WSDOT STD PLAN B-5.20. 3.PROVIDE ROOF DRAIN SCH 35 PIPING PER WSDOT STD SPEC 9-05.1(5). 4.PROVIDE 10" CPEP SMOOTH INTERIOUR PER WSDOT STD SPEC 9-05.1(6). 5.PROVIDE TOP SOIL AS REQURIED PER WSDOT STD SPEC 9-14. 6.PROVIDE ASPHALT PAVEMENT (HMA CL-1/2 PG 64-22) PER WEDOT STD SPEC 5-04. 7.PROVIDE CONCRETE ROLLED CURB IN-KIND CLASS 4000 PER WS DOT STD SPEC 5-05. 8.PROVIDE COMPACTION FOR ROCK BASE PER WSDOT STD SPEC 4-04.3(5). 9.PROVIDE VANED GRATE PER WSDOT STD PLAN B-30-30.01. 10.PROVIDE 8" STORM SEWER CLEAN OUT PER WSDOT STD PLAN B-85.40-00. 11.SEE SHEET C1.0 FOR EROSION CONTROL NOTES. 12.FIELD LOCATE DOWN SPOUTS (DS). CONNECT DOWN SPOUTS IDENTIFIED ON PLAN. PROVIDE CLEAN OUT AT DOWN SPOUT CONNECTION 8 8 8 7 7 9 9 9 9 10 10 Know what's R A PORTION OF THE SW 1/4 OF THE NE 1/4 OF SECTION 32, TOWNSHIP 23, RANGE 5 E., W.M. CITY OF RENTON, KING COUNTY, WASHINGTON KING COUNTY HOUSING AUTHORITY-VANTAGE GLEN MOBILE HOME PARK CATCH BASIN TYPE 11 CATCH BASIN INSTALLATION2 CATCH BASIN FILTER3 4 5 PIPE COMPACTION DESIGN AND BACKFILL ASPHALT PATCH AND INTERFACE DETAIL *SDR 35 PIPE SHALL BE USED IN PLACE OF CMP AND LCPE AS SHOWN ON DETAIL ABOVE.