HomeMy WebLinkAboutR-397305EROSION CONTROL NOTES
1. ALL WORK AND MATERIALS SHALL BE /N ACCORDANCE WITH CITY OF RENTON STANDARDS AND SPECIFICATIONS
AND APWA/WSDOT 2012 STANDARD SPEC/F/CAT/ONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCT/ON
A COPY OF THE CITY OF RENTON STANDARD SPECIFICATIONS AND DETAILS SHALL BE ON -SITE AT ALL TIMES.
2. ALL LOCATIONS OF EX/STING UT/L/TIES SHOWN HEREON HAVE- BEEN ESTABL/SHED BY FIELD SURI/EY OR OBTAINED
FROM A VAILABLE RECORDS AND SHOULD THEREFORE BE CONSIDERED APPROX/MATE AND NOT NECESSARI Y
COMPLETE. IT /S THE SOLE RESPONSIBILITY OF THE CONTRACTOR TO /NDEPENDENTL Y VfR/FY THE ACCURACY
OF ALL UTILITY LOCATIONS SHOWN AND TO FURTHER DISCOVER AND AVOID ANY OTHER UTILITIES NOT SHOWN
HEREON WHICH MA Y BE AFFECTED BY THE IMPLEMENTATION OF THIS PLAN. THE CONTRACTOR SHALL CONTACT
THE UNDERGROUND UTILITIES LOCATION SERVICE (1-800-424-5555) AT LEAST 48 HOURS PRIOR TO
CONSTRUCT/ON. THE OWNER OR HIS REPRESENTATIVE AND THE ENGINEER SHALL BE CONTACTED IMMEDIATELY
IF A CONFL/CT EXISTS.
3. THE CONTRACTOR SHALL COORDINATE WITH THE APPROPRIATE UTILITY COMPANIES FOR CAPPING, ABANDONING,
AND/OR RELOCATING AFFECTED WATER, SAN/TARP SEWER, GAS, POWER, TELEPHONE, AND CABLE T. V. PR/OR
TO GRADING ACTIVITIES.
4. A COPY OF THESE APPROVED PLANS AND CITY OF RENTON STANDARD SPECIFICATIONS AND DETAILS MUST BE
ON THE JOB SITE WHENEVER CONSTRUCTION /S /N PROGRESS.
5. APPROVAL OF TH/S PLAN /S FOR THE EROS/ON/SED/MENTAT/ON CONTROL FAC/L/TIES ONL Y. IT DOES NOT
CONSTITUTE AN APPROVAL OF THE STORM DRAINAGE DESIGN, NOR SIZE OR LOCATION OF PIPES,
RESTR/CTORS, CHANNELS OR DETENTION FACILITIES
6. ALL GROUND COVER OUTS/DE CLEARING LIMITS SHALL REMAIN UNDISTURBED. SPEC/AL PROTEC77W- FENCING MAY
BE REQU/RED /N CERTAIN AREAS. PR/OR TO MASS CLEARING OF THE SITE, CLEARING LIMITS AND INITIAL EROS/ON
CONTROL MEASURES SHALL BE INSPECTED BY THE CITY.
7. ALL REQUIRED EROS/ON/SED/MENTATION CONTROL FACILITIES MUST BE CONSTRUCTED AND /N OPERATION PR/OR
TO ANY LAND CLEARING AND/OR OTHER CONSTRUCT/ON TO INSURE THAT SED/MENT-LADEN WATER DOES NOT
ENTER THE NA TURAL DRAINAGE SYSTEM OR DAMAGE DOWNSTREAM PROPERTIES. ALL EROS/ON/SED/MENTA TION
CONTROL FACILITIES SHALL BE MAINTAINED /N A SATISFACTORY COND/7ON UNTIL SUCH TIME THAT CLEARING
AND/OR CONSTRUCTION /S COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED.
IMPLEMENTATION, UAINTENANCE, REPLACEMENT AND ADD/T/ONS TO THE EROS/ON/SED/MENTAT/ON CONTROL
FACILITIES SHALL BE THE RESPONSIBILITY OF THE PERMITTEE. REFER TO THE CONSTRUCTION SEQUENCE,
FOR ADDITIONAL DETAILS.
8. THE EROSION/SEDIMENTATION CONTROL FACILITIES DEPICTED ON THIS DRAWING ARE INTENDED TO BE
MIN/MUM REQUIRE MENTS TO MEET ANTIC/PA TED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND
UNEXPECTED OR SEASONAL CONDITIONS D/CTATE, THE PERMITTEE SHOULD ANTIC/PATE THAT MORE
EROS/ON/SED/MENTA T/ON CONTROL FACILITIES MA Y BE NECESSARY TO INSURE COMPLETE S/L TA T/ON CONTROL
ON THE SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY
OF THE PERMITTEE TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY HIS ACTIVITIES AND TO
PROVIDE ADDITIONAL FACILITIES, OVER AND A80Vf- MIN/MUM REQU/REMENTS SHOWN, AS MAY BE NEEDED TO
PROTECT ADJACENT PROPERTIES AND THE WATER QUALITY OF THE RECEIVNG DRAINAGE SYSTEM. THE CITY
OF RENTON INSPECTOR MA Y DETERM/NE THE NEED FOR AND EXTENT OF ANY ADD/T/ONAL FAC/L/T/ES.
9. WHERE POSS/BLE, NA TURAL VEGETA T/ON SHALL BE MAINTAINED FOR S/L T CONTROL AND TO MINIMIZE
EROS/ON.
10. ALL EXPOSED SO/L SHALL BE STABIZ /ZED BY SU/TABLE APPL/CAT/ON OF BEST MANAGEMENT PRACTICES
(BMPS), INCLUDING BUT NOT LIMITED TO SOD OR OTHER VEGETATION, PLASTIC COVERING, MULCHING, OR
APPL/CATION OF GRA VfZ BASE ON AREAS TO BE PA VED. ALL BMPS SHALL BE SELECTED, DE -SIGNED AND
MAINTAINED /N ACCORDANCE WITH THE APPROVED MANUAL. CONSTRUCTION ACTII7ES MAY BE SUSPENDED
DURING THE RA/NY SEASON (OCT. 1 THROUGH APR. 30). FROM MA Y 1 THROUGH SEPTEMBER 30, NO
UNWORKED SOIL SHALL REMAIN EXPOSED FOR MORE THAN 7 DA YS. RAIN SEASON WORK GU/DEL/NES MA Y
ALSO APPL Y.
11. ALL AREAS TO BE SEEDED SHALL BE CUL T/VA TED TO THE SA 7SFAC7ON OF THE ENGINEER. THIS MA Y BE
ACCOMPL/SHED BY D/SC/NG, RAKING, HARROWING OR OTHER ACCEPTABLE MEANS. IMMED/ATEL Y FOLLOWING
FINISH GRADING, PERMANENT Vf'GETA 7ON (CONS/STING OF RAPID, PERSISTENT AND LEGUME) SHALL BE
APPL/ED AT A MIN/MUM RATE OF 120 POUNDS PER ACRE. THE SEED SHALL CONFORM TO THE STANDARDS
FOR "CERTIFIED" GRADE SEED OR BETTER, AS OUTLINED BY THE STATE OF WASH/NGTON DEPARTMENT OF
AGR/CUL TURF 'RULES FOR SEED CER7F/CA T/ON, " LA TEST ED/7ON. THE M/X SHALL CONFORM W/TH C/TY OF
RENTON STANDARDS AND SPECIFICA TONS.
12. A MIN/MUM 3 FOOT HIGH TEMPORARY FENCE SHALL BE CONSTRUCTED AROUND ANY POND USED FOR EROSION/
SED/MENTATION CONTROL WHERE IT CAN BE EXPECTED THAT THE WATER DEPTH WILL EXCEED ONE FOOT.
13. IMPERVIOUS SURFACES (ROOFS, STREETS, DRIVE -WAYS, ETC.) SHALL BE DIRECTED INTO THE COMPLETED
STORM DRAINAGE SYSTEM AS SOON AS POSS/BLE.
14. S/L TA T/ON CONTROL AREAS SHALL BE RETURNED TO ORIGINAL GROUND COND/TONS OR BROUGHT TO FINISH
GRADE AT THE PROJECTS COMPLETION. ANY PERMANENT STORM DRAINAGE FACILITES USED FOR EROSION/
SED/MENTAT/ON CONTROL SHALL BE CLEANED PR/OR TO PROJECT ACCEPTANCE. SEDIMENT SHALL NOT SE
FLUSHED DOWNSTREAM INTO EX/STING CLEAN STORM SYSTEM.
15. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARDS, SAFETY DEVICES,
PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTY,
AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY /N CONNECTION WITH THE PERFORMANCE OF
WORK COVERED BY THE CONTRACT. ANY WORK WITHIN THE TRA VfZED RIGHT -OF -WA Y W/LL REQUIRE C/TY OF
RENTON APPROVED TRAFFIC CONTROL PLAN.
16. ISSUANCE OF THIS BUILDING PERMIT BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF HIS
CONTINUING LEGAL OBLIGATION AND/OR LIABILITY CONNECTED WITH STORM AND SURFACE WATER DISPOSITION
AND FURTHER, THE CITY OF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING
AND MAINTENANCE OF THE SYSTEM PROVIDED.
17. ALL DETENTION AND OUTFALL WORK W/LL SE COMPLETED AND FUNCTIONAL BEFORE ANY PAVING.
18. SED/MENT CONTROL FAC/L/T/ES SHALL BE INSPECTED WEEKL Y OR AFTER A RUNOFF -PRODUCING STORM EVENT
DURING THE DRY SEASON AND DAIL Y DURING THE WET SEASON. THE INSPECTION FREQUENCY FOR STABILIZED,
INACTIVE SITES SHALL BE DETERMINED BY THE CITY OF RENTON INSPECTOR BASED ON THE LEVfZ OF SOIL
STABILITY AND POTENTIAL FOR ADVERSE ENVIRONMENTAL IMPACTS.
19. FIL TER FABRIC FENCE TO BE INSTALLED AS DIRECTED BY C/TY OF RENTON INSPECTION.
20. MAX/MUM OPEN TRENCH LENGTH SHALL BE 300'
CORE JOB NO. 16114T
21. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRECONSTRUCTION MEETING MUST BE HELD WITH THE
CITY OF RENTON, PUBLIC WORKS DESIGN ENGINEER.
22. ALL LIMITS OF CLEARING AND AREAS OF Vf-GETAT/ON PRESERVAT/ON AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY
FLAGGED /N THE FIELD AND OBSERVED DURING CONSTRUCT/ON.
23. DURING THE TIME PER/OD OF OCTOBER 1ST THROUGH APR/L 30TH, ALL PRO✓ECT DISTRIBUTED SO/L AREAS GREA TER THAN
5, 000 SQUARE FEET, THAT ARE TO BE LEFT UN -WORKED FOR MORE THAN 12 HOURS, SHALL BE COVE -RED BY MULCH,
SODDING OR PLASTIC COVERING.
24. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETA T/ON AND WHERE NO FURTHER WORK /S ANT/C/PA TED FOR A PER/OD
30 DA YS OR MORE, ALL DISTURBED AREAS MUST BE /MMED/ATEL Y STABILIZED W/TH MULCHING, GRASS PLANTING OR OTHER
APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE T/ME OF YEAR. GRASS SEED/NG ALONE WILL BE ACCEPTABLE
ONL Y DURING THE MONTHS OF APR/L THROUGH SEPTEMBER, INCLUSIVE. SEEDING MA Y PROCEED, HOWEVER, WHENEVER /T /S
IN THE INTEREST OF THE PERM/TEE, BUT MUST BE AUGMENTED W/TH MULCHING, NE -TT/NG OR OTHER TREATMENT APPROVED
BY THE C/TY OF RENTON, OUTS/DE THE SPEC/FYD TIME PER/OD.
25 FOR ALL EROS/ON/SED/MENTA TION CONTROL PONDS WHERE THE DEAD STORAGE DEPTH EXCEEDS 6 INCHES, A FENCE /S
REQUIRED WITH A MIN/MUM HEIGHT OF THREE (3) FEET, 3 1 SIDE SLOPES.
26. 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.
STORMWA TER POLL UT/ON PREVENT/ON NOTES
1. NO LIQUIDS INCLUDING PETROLEUM PRODUCTS, FUEL, SOLVENTS, DETERGENTS, PAINT, PESPC/DES, CONCRETE ADMIXTURES,
FORM OILS, ETC. SHALL BE STORED ON SITE.
2. ALL POLLUTANTS, INCLUDING WASTE MATERIALS AND DEMOLITION DEBRIS, THAT OCCUR ON -SITE DURING CONSTRUCTION
SHALL BE HANDLED AND DISPOSED OF /N A MANNER THAT DOES NOT CAUSE CONTAMINATION OF STORMWATER.
3 ALL FUELING SHALL BE PROVIDED BY A FUELING TRUCK. NO FUEL SHALL BE STORED ON SITE.
4. ALL VfRICLE MAINTENANCE AND REPAIRS SHALL BE DONE OFFS/TE.
5. CONCRETE WASTE SHALL BE HANDLED AS LISTED.-
A. UNUSED CONCRETE REMAINING /N THE TRUCK AND PUMP SHALL BE RETURNED TO OR/G/NA TING BA TCH PLANT FOR
RECYCLING.
B. CONCRETE TRUCK CHUTES, PUMPS, INTERNALS, HAND TOOLS INCLUDING, BUT NOT LIMITED TO, SCREEDS, SHOVELS,
RAKES, FLOATS, AND TROWELS SHALL BE WASHED OFF ONL YINTO FORMED AREAS AWAITING INSTALLATION OF
CONCRETE OR ASPHALT.
C. EQUIPMENT THA T CANNOT BE EASIL Y MOVED, SUCH AS CONCRETE PA VERS, SHALL ONL Y BE WASHED /N AREAS THA T
DO NOT D/RECTL Y DRAIN TO NATURAL OR CONSTRUCTED STORMWATER CONVEYANCES.
D. WHEN NO FORMED AREAS ARE A VA/LABLE, CONCRETE WASTE SHALL BE DISCHARGED TO A PA VED OR LINED SUMP.
SEE THESE PLANS FOR LOCATION OF THE SUMP. WASTE WATER WITHIN THE SUMP SHALL EITHER BE NEUTRAL/ZED
PR/OR TO DISCHARGE TO THE SED/MENTA TION FACILITY OR DISPOSED OF IN A MANNER THA T DOES NOT VIOLA TE
GROUNDWATER OR SURFACE WATER QUALITY STANDARDS.
6. SLURRY, CUTTINGS, AND PROCESS WATER FROM SAWCUTTING AND SURFACING SHALL BE DISCHARGED TO FORMED AREAS
AWAITING /NSTALLA TION OF CONCRETE OR ASPHALT OR TO PA VED OR LINED SUMP.
7. WHEEL WASH, OR TIRE BATH WASTEWATER, SHALL BE DISCARDED TO THE SED/MENTA7ON FACILITY OR TO THE SANITARY
SEWER.
8. APPLICATION OF AGR/CULTURAL CHEMICALS, INCLUDING FERTILIZERS AND PESTIC/DES, SHALL BE CONDUCTED /N A MANNER
AND AT APPL/CATION RATES THAT WILL NOT RESUL T IN LOSS OF CHEMICAL TO STORYWATER RUNOFF. MANUFACTURERS'
RECOMMENDATIONS SHALL BE FOLLOWED FOR APPLICATION RATES AND PROCEDURES.
9. THE CONTRACTOR SHALL DES/GNATS A PERSON AS THE RESPONS/BLE REPRESEN TA T' VE /N CHARGE OF EROSION CONTROL
AND MAINTENANCE OF ALL EROSION CONTROL AND STORMWATER POLLUTION PREVENTION FACILITIES.
(COREY WATSON (425) 646-4139)
DUST CONTROL
WHEN EXPOSED SOIL SURFACES ARE EXPOSED TO THE POINT THAT W/ND TRANSPORT /S POSS/BLE, THE EXPOSED SO/LS SHALL
BE SPRA YED UNTIL WET, BUT RUNOFF SHALL NOT BE GENERA TED BY SPRA Y/NG.
DEWA TER/NG CONTROL
ANY RUNOFF GENERATED BY DEWATERING SHALL BE TREATED BY DISCHARGE TO SEDIMENTATION FACILITY. IF DEWATERING
OCCURS FROM AREAS WHERE THE WATER HAS COME INTO CONTACT WITH NEW CONCRETE, THE pH OF THE WATER MUST BE
MONITORED AND MUST BE NEUTRALIZED PR/OR TO DISCHARGE. A DEWATERING PLAN MUST BE SUBMITTED AND APPROVED BY THE
CITY OF RENTON PRIOR TO DEWATERING ACTIITIES.
GENERAL STOC`(P/LE NOTES
STOCKPILE AREAS TO BE COVERED WITH V/SQUEEN PLASTIC (MIN/MUM 6 MIL.), WHEN NOT IN USE. V/SQUEEN /S TO BE HELD /N
PLACE BY A MIN/MUM OF 10 LB. SAND BAGS PLACED EVERY 15 FEET ALONG THE EDGE AND ACROSS THE P/LE. STOCKPILE
HEIGHT NOT TO EXCEED 8 FEET.
CONSTRUCT/ON SEQUENCE
10 SCHEDULE AND ATTEND A PRE -CONSTRUCTION CONFERENCE WITH THE CITY OF RENTON.
20 FLAG THE LIMITS OF CLEARING, INSTALL FIL TER FABRIC FENCE WHERE SHOWN ON PLANS. INSTALL EITHER 42" ORANGE
SAFETY FENCE OR FL TER FABRIC FENCE ALONG ALL OTHER LIMITS OF CLEARING WHERE FILTER FABRIC FENCE /5 NOT
DEL INEA TED.
30 CONSTRUCT THE TEMPORARY ROCK LINED CONSTRUCTION ENTRANCE.
40 CONSTRUCT THE DETENTION VAUL T, CONTROL STRUCTURE, OUTLET PIPE AND OUTFALL PROTECTION. SEE SHEETS C4.01 &
C4. 31 FOR DETAILS. INSTALL FL TER FABRIC PROTECTION ON NEWL Y CONSTRUCTED CA TCH BASINS AND EXISANG CA TCH
BASINS AS DES/GNA TED ON SHEET C2. 01.
50 BEGIN CLEARING AND GRADING WHILE EXTENDING TEMPORARY INTERCEPTOR SWALES. BRING THE SITE TO SUBGRADE,
INSTALL UTILITIES. HYDROSEED AS SOON AS PRACTICAL.
60 STABILIZE ALL AREAS ONCE FINAL GRADES ARE ESTABLISHED BY SUITABLE APPLICATION OF BMPs BY HYDROSEED, SOD,
OR SIMILAR METHOD.
70 REMOVE EROSION CONTROL FACILITIES EXCEPT INLET FIL TERS. (ONL Y WHEN APPROVED BY CITY INSPECTOR)
80 PA VE DRIVE AISLES.
90 REMOVE INLET FIL TERS WHEN THE POTENTIAL FOR ON -SITE EROSION HAS PASSED.
10 CLEAN STORM SYSTEM PR/OR TO USE. DO NOT FLUSH CLEAN/NG WATER DOWNSTREAM.
11 TEMPORARY BMP S CAN BE RE l/ED ONL Y AFTER PROJECT IS COMPLETE AND RISK OF SlL T LADEN WATER LEAVING THE
SITE HAS PASSED.
WET WEA THER CONSTRUCT/ON NOTE.-
ALL PROJECTS WORKING UNDER A DRY SEASON TESC MANAGEMENT PLAN SHALL BE SUSSTANT/ALZ Y COMPLETE BY SEPTEMBER
307H TO A VOID /MPLEMENTA T/ON OF RA/NY SEASON CONSTRUCTION REQUIREMENTS. PROJECTS THA T IMLL NOT BE
SUBSTANTIALL Y COMPLETED BY SEPTEMBER 30TH SHALL SUBMIT A SEASONAL SUSPENSION PLAN AND/OR WET WEATHER PLAN
PREPARED /N ACCORDANCE WITH THE GENERAL STANDARDS FOR RA/NY SEASON CLEARING / GRADING, FOR APPROVAL BY THE
CITY OF RENTON AN APPROVED PLAN MUST BE AVAILABLE BY SEPTEMBER 1ST. ALLOW 7 WORKING DAYS FOR EACH REVIEW
PER/OD. THE APPROVED PLAN MUST BE IMPLEMENTED BY SEPTEMBER 157h! IF NO PLAN HAS BEEN APPROVED BY SEPTEMBER
1ST, THEN STOP WORK AND SECURE THE SITE AGAINST EROSION, NO FURTHER WORK WILL BE PERMITTED UNTIL MAY 1ST WHEN
THE DRY SEASON RETURNS.
SURVEYED: DAP SCALE:
DESIGNED: WG,
DRAWN: SES
ONE INCH
CHECKED: MAY AT FULL SCALE
IF NOT ONE INCH
NO. REVISION BY DATE AP P R APPROVED: SHY SCALE ACCORDINGLY
THIS T. E.S. C. PLANAPPLIES
TO THE DRYSEA SON ONL Y.
CONSTRUCTION
RECORD DRAWING
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12100 NE 195th St, Suite 300 Bothell, Washington 98011 425.885.7877
-12 R-397305
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DATE:
VEffrICAL,
HOR ZO NAD 1963/1991 ' SEPT. 2017
0' 'R) CITY OF EROSION/SEWIMENTA TION FIELDBOOK:
RENTON
DATU M N4397 CONTROL NOTES DRAWING NO:
Planning/Building/Public Works Dept. C2. e31
SHEET: 5 OF: 22
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