HomeMy WebLinkAboutR-385102EROS/ON CONTROL NOTES
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD #97H THE
CITY OF REN TON PUBLIC WORKS DES/GN ENGINEER.
2. ALL LIMITS OF CLEARING AND AREAS OF VEGETA TION PRESERVA TION AS PRESCRIBED ON THE PLAN(5) SHALL BE CLEARL Y
FLAGGED IN THE FIELD AND OBSERVED DUR/NG CONSTRUCTION.
3. ALL REQUIRED SEDIMENTA TION/EROSION CONTROL FACIL177E5 MUST BE CONSTRUCTED ANO IN OPERA TION PRIOR TO LAND
CLEARING AN%R CONSTRUCTION TO ENSURE TNA T SEDIMENT LADEN WA TER DOES NOT EN MR THE NA TIRAL DRAINA GE
SYSTEM. ALL EROSION AND SEDIMENT FACIL177ES SHALL BE MAINTAINED IN A SA 775FACTORY C0ND1 flCW UNTIL SUCH TIME
THAT CLEARING AND/OR CONSIRUC77ON lS COMPLETE AND POTENTIAL FOR ON-SITE EROSION HAS PASSED. THE
IMPLEMENTA TION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION/SEDIMENTA 77ON CONTROL SYSTEM SHALL BE THE
RESPONSIBILITY OF 171E PERMITEE.
4. THE EROSION AND SEDIMENT CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS
TO MEET ANTICIPATED SITE CONDITIONS AS CONSIRUC7701V PROGRESSES AND UNEXPECTE OR ZFASONAL CONDI77ONS
DICTA TE THE PERMITEE SHALL AN77CIPA TE INA T MORE EROSION AND SEDIMENTA 77O CONTROL FACIL I77ES WILL BE
NECESSARY TO ENSURE COMPLETE SIL TA TION CONTROL ON THE PROPOSED SITE DURING INE COURSE OF CONSTRUC170N, /T
SHALL BE THE OBLIGA TION AND RESPONSIB/LIT r OF THE PERMITEE TO ADDRESS ANY NEW CCYVD177ONS INAT MA r BE
CREA TED BY THE ACTT W77ES AND TO PROVIDE ADDI77ONAL FACILITIES, OVER AND ABOVE MIN/MUM REQUIREMENTS, AS MA Y
BE NEEDED, TO PROTECT ADJACENT PROPER 77ES AND WA TER QUALITY OF THE RECEIVING DRAINAGE SYSTEM
5. APPROVAL OF THIS PLAN lS FOR EROSION/SEDIMENTA 77ON CONTROL ONL Y. IT DOES NOT CONS777ZITE AN APPROVAL OF
STORM DRAINA GE DESIGN, SIZE NOR LOCA TON OF PIPES, RESTRIC TORS, CHANNELS, O? REIFN77OV FACILITIES.
6. DURING THE 77ME PERIOD OF OCTOBER IST THROUGH APRIL 30Th, ALL PROJECT DISTRIBUTED SOIL AREAS GREATER THAN
5 000 SQUARE FEET, INA T ARE TO BE LEFT ON- WORKED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH,
SODDING OR PLAS77C COVERING.
7. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETA TION AND WERE NO FURTHER #VRK lS AN77aPA TED FOR A PERIOD
30 DA YS OR MORE, ALL DISTURBED AREA5 MUST BE IMMEDIA TEL Y STABILIZED #9TH MUL CHING, GRA 55 PLAN77NG OR 07NER
APPROVED EROSION CONTROL 7REA TMENT APPLICABLE TO THE 7N OF YEAR. GRASS SEEDING ALOWE ILL BE ACCEPTABLE
ONL Y DURING THE MONTHS OF APRIL THROUGH SEPTEMBER, INCLUSIVE SEEDING MA Y PROCEED, HOIIEPER, Wt1ENEVFR IT IS
IN THE INTEREST OF THE PERMI TEE, BUT MUST SE AUGMENTED NTif MULCHING, NET7ING 0? OTHER IREA TMENT APPROVED
BY THE CITY OF RENTON, OUISYOE THE SPECIE/EO 17ME PERI00.
8. FOR ALL EROSION/SEDIMENTA 77ON CONTROL PONOS DERE THE DEAD STORAGE DEPTH EXCEE05 6 INCHES, A FENCE /S
REQUIRED WITH A MIN/MUM HEIGHT OF THREE (3) FEET, 3.• 1 SIDE SLOPES.
9. A TEMPORARY GRA VEL CONSIRUC7701V ENTRANCE, 24 FEET X 50 FEET X 8 INCHES OF 4 TO 6 /NCH QUARRY SPALLS SHALL
BE LOCATED IN ALL POINTS OF VEHICULAR INGRESS AND EGRESS TO THE CON57RUC77ON SITE.
10. ALL WORK AND MA TER/ALS SHALL BE IN ACCORDANCE wTH CITY OF REHTON STANDARDS AND SPECIFICA TIONS
AND APWA/W5'D0T 2012 STANDARD SPECIFICA 770S FOR ROAD, BRIDGE, AND MUNICIPAL CCWS7RUC776W
A COPY OF THE CITY OF REHTON STANDARD SPECIFICA 770WS AND DETAILS SHALL BE OW -SITE A T ALL 77ME5.
11. ALL LOCA 77ONS OF EXIS77NG U77L177ES SHOW HEREON HA VE BEEN ESTABLISHED BY FIELD SUR WY OR 0BTA/NED
FROM A VA/LABLE RECORDS AND SHOULD THEREFORE BE CONSIDERED APPROX/MA TF AND NOT NECESSARIL Y
COMPLETE IT /S THE SOLE RESPONSIBILITY OF THE CONTACTOR TO INDEPENOENTL Y VERIFY THE ACCURACY
OF ALL U77L/TY LOCATIONS SHOW AND TO FURTHER DISCOVER AND AVOID ANY OTHER UTILITIES NOT SHOWN
HEREON W ICH MA Y BE AFFECTED BY THE IMPLEMENTA 77ON OF THIS PLAN. THE CONTRACTOR SHALL CONTACT
THE UNDERGROUND U77LI77ES L OCA TON SERVICE (1-800-424-5555) AT LEAST 48 HOURS PRIOR TO
CONS IRUC77ON. THE 0WWER OR HIS REPRESENTA 77VE AND THE ENGINEER SHALL BE CONTACTED IMMEOIA TEL Y
IF A CONFLICT EXISTS.
12. THE CONTRACTOR SHALL COOROINA 7F WITH THE APPROPRIATE U77L/TY COMPANIES FOR CAPPING, ABANDONING
AND/OR REL 0CA77NG AFFECTED WATER, SANITARY SEWR, GAS, PO#fR, TFLEPHOWE, AND CABLE T. V PRIM
TO GRADING AC77Vl77ES.
13. A COPY OF THESE APPROVED PLANS AND CITY OF RENTON STANDARD SPECIFICA 77OVS AND DETAILS MUST BE
ON THE JOB SITE W9IENEVER CONSTRUCTION IS IN PROGRESS.
14. ALL GROUND COVER OUTSIDE CLEAR/NG LIMITS SHALL REMAIN UNO157URBED. SPECIAL PROTFCT7VE FENCING MAY
BE REQUIRED /N CERTAIN AREAS. PRIOR TO MASS CLEAR/NG OF THE SITE CLEAR/NG LIMITS AND INITIAL EROSION
CONTROL MEASURES SHALL SE INSPECTED BY THE CITY.
15. WERE POSSIBLE, NA TZRAL VEGETA 77ON SHALL BE MAINTAINED FOR SIL T CONTROL AND TO MINIMIZE
EROSION.
16. ALL AREAS TO BE SEEDED SHALL BE CUL 77 VA TED TO THE SA 775FACPON OF THE ENGINEER. THIS MA Y BE
ACCOMPLISHED BY DISCING RAKING, HARRONNG OR OTHER ACCEPTABLE MEANS. IMMEDIA TEL Y FOLLOWING
FIN/SH GRADING, PERMANENT VEGETA 77ON (CONSIS7TNG OF RAPID, PERS/S7FNT AND LEGUME) SHALL BE
APPLIED A T A MINIMUM RA 7F OF 120 POUNDS PER ACRE THE SEED SHALL CONFORM TO THE STANDARDS
FOR %fR77FIED
0
GRADE SEED OR BETTER, AS OUTLINED BY THf- STA IF OF WASHINGTON O_PARTMfNT OF
AGRICUL 7RE RULES FOR SEED CER77FICA TION, " LA TEST E0I77OV. THE MIX SHALL CONFORM#91N CITY OF
RENTON STANDARDS AND SPECIFICA TIONS.
17. A MIN/MUM 3 FOOT HIGH TEMPORARY FENCE SHALL BE COWS7RUCTFO AROUND ANY POND USED FOR ERO5I01V/
SEDIMENTA TION CONTROL WERE I T CAN BE EXPECTED THA T THE WA TER DEPTH WILL EXCEED ONE FOOT.
18. IMPERVIOUS SURFACES (ROOFS, STREETS, DRIVEWAYS, ETC.) SHALL BE DIRECTED INTO THE COMPLETED
STORM DRAINAGE SYSTEM AS SOON AS POSSIBLE.
19. SIL TA TION CONTROL AREAS SHALL BE RETURNED TO ORIGINAL GROUND CONDI TIONS OR BROUGHT TO FINISH
GRADE AT THE PROJECT'S COd1PLE770N. ANY PERMANENT STORM DRAINAGE FACILITIES USED FOR EROSION/
SEDIMENTA 77ON CONTROL SHALL BE CLEANED PRIOR TO PROXCT ACCEPTANCE. SEDIMENT SHALL NOT BE
FLUSHED DOWNSTREAM INTO EXIS77NG CLEAN STORM SYS7F'M.
20. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUA IF SAFEGUARDS, SAFETY DEVICES,
PRO TEC 77VE EQUIPMENT, FLAGGERS, AND ANY 0THER NEEDED ACTONS TO PROTECT THE LIFE, HEAL 7h;
AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNEC77ON WITH THE PERFORMANCE OF
VRK COVERED BY THE CONTRACT. ANY WORK WITHIN THE TRA VEL ED RIGHT -OF -WA Y WILL REQUIRE CITY OF
RENTON APPROVED TRAFFIC CONTROL PLAN.
21. ALL DETEN77ON AND OUTFALL WORK WILL BE COMPLETED AND FUNC77ONAL BEFORE ANY PA WNG.
22. SEDIMENT CONTROL FACILITIES SHALL BE INSPECTED WEEKL Y OR AFTER A RUNOFF -PRODUCING STORM EVENT
DURING THE DRY SEASON AND DAIL Y DURING THE WET SEASON. THE INSPEC77ON FREQUENCY FOR STABILIZED,
INA CTI VE SI TES SHALL BE DETERMINED BY THE Cl TY OF RENTON INSPECTOR BASED G/V THE LEVEL OF 560L
5TAB1LI TY AND POTENTIAL FOR AD FRSE ENVIRONMENTAL IMPACTS:
23. MAX/MUM OPEN TRENCH LENGTH SHALL BE 300'
S rORM WA TER P01w to i / r/OIV PREVENT/ON NOTES
1. NO LIQUIDS INCLUDING PETROLEUM PRODUCTS FZEL, SOL VENTS, DETFRCENTS PAINT, PESTICIDES, CONCRETE ADMIXTURES,
FOAI OILS, ETC. SHALL BE STORED ON SITE
2 ALL POLLUTANTS, INCLUDING WASTE MATERIALS AND DEMOLITION DEBRIS, THAT OCCUR ON -517F DURING CONSTRUCTION
SHALL BE HANDLED AND DISPOSED OF IN A MANNER TNA T DOES NOT CAUSE CONTAM/NA TION OF STORMWA TER.
J. ALL FUELING SHALL BE PROVIDED BY A FUELING TRUCK NO FUEL SHALL BE STORED ON SITE
4 ALL VEHICLE MAINTENANCE AND REPAIRS SHALL BE DONE OFFSITE
5. CONCRETE WASTE SHALL BF HANDLED AS LISTED. -
A. UNUSED CONCRETE REMAINING /N THE 7RUCK AND PUMP SHALL BE REIURNEO TO ORIGINA TING BA TCH PLANT FOR
RECrCLING.
B. CONCRETE TRUCK CHUTES, PUMPS INTERNALS, HANG TOOLS INCLUDING BUT NOT LIMITED TO, SCREEDS, SHOVELS,
RAKES, FL OA TS, AND TROi0FLS SHALL BE WASHED OFF ONL Y INTO FORMED AREAS AWAITING INS TALLA TION OF
CONCRETF OR ASTRAL T.
C. EQUIPMENT THA T CANNOT BE EA51L Y MOVED, SUCH A5 CONCRE7F PA VERS, SHALL ONL Y BE WASHED IN AREA5 THA T
DO NOT DIREC71 Y DRAIN TO NA 7IRAL OR CONS7RUC TED 5TORMW4 TER COV VEYANCES
D. #HfN NO FORMED AREAS ARE A VAILABLE, CONCRETE WASTE SHALL BE DISCHARGED TO A PA VED OR LINED SUMP.
SEE THESE PLANS FOR LOCA 7701'V OF THE SUMP. WASTE WA 7FR WITHIN THE SUMP SHALL EITHER BE NEUTRALIZED
PRIOR TO DISCHARGE TO THE SEDIMENTA 77O FACILITY OR DISPOSED OF IN A MANNER INA T DOES NOT VIOLA TE
GROUNDWA TER OR SURFACE WA 7FR QUALITY STANDARDS.
6. SLURRY, CUT77NGS, AND PROCESS WATER FROM SA #VUT7TNG AND SURFACING SHALL B£ DISCHARGED TO FORMED AREAS
A WAI77NG INS TALLA NOW OF CONCRETE O4 ASPHA L T OR TO PA VED OR LINED SUMP
7. WEEL WASH OR 77R BA TH W457FWA 7ER, SHALL BE DISCARDED TO THE SEDIMENTA 7701V FA CILI TY OR TO THE SANT TAR r
SEWER.
8. APPL ICA 7701V OF AG7PICUL JURAL CHEMICALS, INCL WING fER77LIZERS AND PES77CIDES, SHALL BE CONDUCTED IN A MANNER
AND A T APPL ICA 77ON RA TS TNA T KL NOT ffESOL T IN L 055 OF CHEMICAL TO STOR4MWA 7FR RUNOFF. MANUFACTURERS'
RECCWMENDA TIONS SHALL BE FOLL O#FD FOR APPLICA 7701V RAYS AND PROCEDURES.
9. THE CONTRACTOR SHALL DESIGNATE A PERSON AS THE RESPONSIBLE REPRESENTA 77VE IN CHARGE OF EROSION CONTROL
AND MAINTENANCE OF ALL EROSION CONTROL AND STORMWA TER POLLU77OV PRE6N7701V FACIL177ES
COREY WA T5 1V (425) 646-4139)
DUSTCONTROL
WHEN EXPOSED SAIL SURFACES ARE EXPOSED TO IHE PONT THAT iNNO TRANSPORT /S POSSIBLE, THE EXPOSED SOILS SHALL
BE SPRAYED UNAL IST, BUT RUNOFF SHALL NOT BE GENERA TED BY SPRA)7IVG.
DEWA TER/NG CONTROL
ANY RUNOFF GENERA TED BY O£W4IERlN6 SHALL BE TREATED BY DISCHARGE TO SED/MENTATION FACIL ITI: /F DEWAIE"R/NG
OCCURS FROM AREAS WERE THE WRIER HAS CAME /8 TO CONTACT NfJN NEW CONCREIE THE pH OF THE WA TER MUST BE
MOIYlTp7£D AND MUST BE NEUIRAUZED PRlO1P TO DISCHARGE: A D£WA7fRlNG PLAN MUST BE SUBMITTED AND APPROkfO BY THE
CITY OF REN TON PIP/AP TO D£WA1ERYNG AC1IN11ES
GENERAL S TOCKPIlm E NOTES
STOCKPILE AREAS TO BE COVERED WI7H WSQUEEN PLAS77C (MINIMUM 6 W.), WEN NOT IN USE. WSQUEEN IS TO SE HELD IN
PLACE BY A MINIMUM OF 10 LB. SAND BAGS PLACED EVERY 15 FEET ALONG THE EDGE AND ACROSS THE PILE. STOCKPILE
HEIGHT NOT TO EXCEED 8 FEET.
CONSTRUCT/ON SEQUENCE
I SCHEDULE AND A TTEND A PRE- CONS TRUC 17ON COWFERENCE WITH THE CITY OF REN TOYV.
2 FLAG THE LIMITS OF CLEAR/NG, INSTALL FIL TER FABRIC FENCE WIERE SHOWN ON PLANS. INSTALL EITHER 42" ORANGE
SAFETY FENCE OR FIL 7F FABRIC FENCE ALONG ALL OTHER LIMITS OF CLEARING #WERE FL TER FABRIC FENCE lS NOT
DEL INEA TED.
3 CONSTRUCT THE TEMPORARY ROCK LINED CONSTRUCTION ENTRANCE.
4 INSTALL FL 7FR FABRIC PROTEC77ON ON EXISTING CATCH BAS/NS AS DESIGNATED ON EROSION CONTROL PLAN SHEET.
5 BEGIN CLEAR/NG AND GRADING WHILE EXTENDING TEMPORARY INTERCEPTOR SWALES. BRING THE SITE TO SUBGRADE,
INSTALL URLl77ES. HYDROSEED AS SOON AS PRACTICAL.
6 STABILIZE ALL AREAS ONCE FINAL GRADES ARE ESTABLISHED BY SUITABLE ARFL ICA 77ON OF BMPs BY HYDROSEED, SOD,
OR SIMILAR METHOD
7 REMOVE EROSIOW CONTROL FACIL177ES EXCEPT INLET FIL TERS. (ONL Y WEN APPROVF-0 BY CITY INSPECTOR)
8 PA VE ROAD WA YS
9 REMOW INLET FIL TFRS WEN THE POTEN77AL FOR ON-SITE EROSION HAS PASSED.
10 CLEAN STORM SYSTEM PRIOR TO USE. DO NOT FLUSH CLEAN/NG WATER DOWNS7REAM..
M TEMPORARY BMP S CAN BE REMOVED ONL Y AF7FR PROJECT IS COMPLETE AND RISK OF SIL T LADEN WA TER LEA WNG THE
S/ TE HAS PASSED.
WET WEATHER CONSTRUCT/ON NOTE:
ALL PROXCTS #WKING UNDER A DRY SEASOW TFSC MANAGEMENT PLAN SHALL BE SUBS TANTTALL Y
CON/PLETE BY SEPTEMBER 30TH TO A VOID IMPLEMENTA 770W OF RAINY SEASON CCWSTRUC776W
REOUIREMEN7S PROXCTS TNA T WILL NOT BE SOBS TANITALL Y COMPLETED BY SEPTEMBER 30TH SHALL
SUBMIT A SEA SOWAL SUSPENSION PLAN AND/OR WFT WEA THER PLAN PREPARED /N ACOCRDANCE WITH
THE GENERAL STANDARDS FOR RAINY SEASON CLEAR/NG / GRADING FOR APPROVAL BY THE CITY OF
RENTON. AN APPROVED PLAN MUST BE A VAILABLE BY SEPTEMBER 1ST. ALLOW 7 #VRK/NG DA YS FOR
EACH REVIEW PERIOD THE APPROIED PLAN MUST BE IMPLEMENTED BY SEPTEMBER 157H. lF NO PLAN
HAS BEEN APPROkSD BY SEPTEMBER 1ST, THEN STOP #VRK AND SECURE THE SITE AGAINST EROSION,
NO FURTHER "K #!LL BE PERMITTED UNTIL MA Y 1ST WHEN THE DRY SEASON RETURNS.
THIS T,E.S,C. PLANAPPL IES
TO THE DRY SEASON ONLY.
SURVEYEc: KWS SCALE: „
HORIzo AL NADi IM
sem,
DESIGNED- P11 - 20
DRAWN:
PAL
ONE INCH DATU M
CHECKED: DEC AT FULL SCALE
IF NOT ONE INCH
NO. REVISION BY I DATE I APPR wPRmm:
DEC
SON1 /0C0R0muX
A CITY OF-
RENTON
Planning/Building/Public Works Dept.
t
R-385102
100
CORE
zw DESIGN
ENGINEERING
14711 NE 29th Place Suite 101
Bellevue, Washington 98007
425.885.7877 Fax 425.885.7963
PLANNING • SURVEYING
CITY OFRJET
Approved
J
10000
p7.
A rove h.-
Approved by:
ate Y
Date:gnF, 1,4 4 j
01 .
Date:
Date
REN TON IfIDDIE A CA DEM Y
EROS/ON CONTROL NOTES
JUNE 2015
PAGE:
DRAG NO:
C2.31
s omr- OF:
9
2
A
w
w
td d
CD
N >
CD
O
z WrTj
z m
m m
En
CD
aC
D
m
A
w
w
td d
CD
N >
CD
O
z WrTj
m
A
C C3
m
aC
n
Z
G