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CHECK DAM (TYP.)
IAL
1. CONDITIONS OF USE
1.1. WHERE THERE IS CONCENTRATED RUNOFF FROM DISTURBED AREAS TO AND FROM SEDIMENT PONDS OR TRAPS.
1.2. TO CONVEY RUNOFF INTERCEPTED FROM UNDISTURBED AREAS AROUND THE SITE TO A NON -EROSIVE DISCHARGE POINT.
2. MAINTENANCE STANDARDS
2.1. ANY SEDIMENT DEPOSITION OF MORE THAN 6 INCHES SHALL BE REMOVED SO THAT THE CHANNEL IS RESTORED TO ITS ORIGINAL DESIGN CAPACITY.
2.2. THE CHECK DAMS SHALL BE EXAMINED FOR SIGNS OF SCOURING AND EROSION OF THE BED AND BANKS. IF SCOURING AND EROSION HAS OCCURRED,
AFFECTED AREAS SHALL BE PROTECTED BY RIPRAP OR AN EROSION CONTROL BLANKET OR NET.
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
STD. PLAN - 217.40
VI
DPUBLIC WORKS DITCH CHECK DAMS PPR D. 9/28/2018 I
DEPARTMENT GAZ
Public Works Administrator DATE
CHECK DAMS
INSTALL DRIVE'
IF THERE IS A F;
DITCH FRESEN'
ROAD STANDAF
61ATCC.
CONSTRUCTION ENTRANCE NOTES:
1. DRIVEWAYS SHALL BE PAVED TO
THE EDGE OF THE RIGHT-OF-WAY
PRIOR TO INSTALLATION OF THE
CONSTRUCTION ENTRANCE TO
AVOID DAMAGING OF THE
ROADWAY.
2. IT IS RECOMMENDED THAT THE
ENTRANCE BE CROWNED SO THAT
RUNOFF DRAINS OFF THE PAD
I
15' MIN.
PROVIDE FULL WIDTH OF
INGRESS/EGRESS AREA
1. CONDITION OF USE
1.1. CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVELING ON PAVED ROADS OR OTHER
PAVED AREAS WITHIN 1,000 FEET OF THE SITE.
1.2. FOR RESIDENTIAL CONSTRUCTION PROVIDE STABILIZED CONSTRUCTION ENTRANCES FOR EACH RESIDENCE IN ADDITION TO THE MAIN SUBDIVISION
ENTRANCE. STABILIZED SURFACES SHALL BE OF SUFFICIENT LENGTH/WIDTH TO PROVIDE VEHICLE ACCESS/PARKING. BASED ON LOT SIZE/CONFIGURATION.
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. A SEPARATION GEOTEXTILE SHALL BE PLACED UNDER THE SPALLS TO PREVENT FINE SEDIMENT FROM PUMPING UP INTO THE ROCK PAD. THE GEOTEXTILE
SHALL MEET THE FOLLOWING STANDARDS:
GRAB TENSILE STRENGTH (ASTM D4632)
200 LBS. MIN.
GRAB TENSILE ELONGATION (ASTM D4632)
30% MAX. (WOVEN)
CBR PUNCTURE STRENGTH (ASTM D6241)
495 LBS. MIN.
AOS (ASTM D4751)
20-45 (U.S. STANDARD SIEVE SIZE)
2.2. DO NOT USE CRUSHED CONCRETE, CEMENT, OR CALCIUM CHLORIDE FOR CONSTRUCTION ENTRANCE STABILIZATION BECAUSE THESE PRODUCTS RAISE pH
LEVELS IN STORMWATER AND CONCRETE DISCHARGE TO SURFACE WATERS OF THE STATE IS PROHIBITED.
2.3. HOG FUEL (WOOD BASED MULCH) MAY BE SUBSTITUTED FOR OR COMBINED WITH QUARRY SPALLS IN AREAS THAT WILL NOT BE USED FOR PERMANENT ROADS.
HOG FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION IN URBAN AREAS. THE INSPECTOR MAY AT ANY TIME REQUIRE THE USE OF QUARRY SPALLS
IF THE HOG FUEL IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT OR IF THE HOG FUEL IS BEING CARRIED ONTO PAVEMENT.
2.4. FENCING SHALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE.
2.5. WHENEVER POSSIBLE, THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM, COMPACTED SUBGRADE. THIS CAN SUBSTANTIALLY INCREASE THE
EFFECTIVENESS OF THE PAD AND REDUCE THE NEED FOR MAINTENANCE.
3. MAINTENANCE STANDARDS
3.1. QUARRY SPALLS SHALL BE ADDED IF THE PAD IS NO LONGER IN ACCORDANCE WITH THE SPECIFICATIONS.
3.2. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT, THEN ALTERNATIVE MEASURES TO KEEP THE STREETS FREE OF
SEDIMENT SHALL BE USED. THIS MAY INCLUDE STREET SWEEPING, AN INCREASE IN THE DIMENSIONS OF THE ENTRANCE, OR THE INSTALLATION OF A WHEEL
WASH. IF WASHING IS USED, IT SHALL BE DONE ON AN AREA COVERED WITH CRUSHED ROCK, AND WASH WATER SHALL DRAIN TO A SEDIMENT TRAP OR POND.
3.3. ANY SEDIMENT THAT IS TRACKED ONTO PAVEMENT SHALL BE REMOVED IMMEDIATELY BY SWEEPING. THE SEDIMENT COLLECTED BY SWEEPING SHALL BE
REMOVED OR STABILIZED ON SITE. THE PAVEMENT SHALL NOT BE CLEANED BY WASHING DOWN THE STREET, EXCEPT WHEN SWEEPING IS INEFFECTIVE AND
THERE IS A THREAT TO PUBLIC SAFETY. IF IT IS NECESSARY TO WASH THE STREETS, A SMALL SUMP MUST BE CONSTRUCTED. THE SEDIMENT WOULD THEN BE
WASHED INTO THE SUMP WHERE IT CAN BE CONTROLLED AND DISCHARGED APPROPRIATELY. WASH WATER MUST BE PUMPED BACK ONTO THE SITE AND
CANNOT DISCHARGE TO SYSTEMS TRIBUTARY TO SURFACE WATERS.
3.4. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UP ON THE ROADWAY SHALL BE REMOVED IMMEDIATELY.
3.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCE(S), FENCING SHALL BE INSTALLED TO CONTROL
TRAFFIC.
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
STD. PLAN - 215.10
o PUBLIC WORKS APPROVED:
PII DEPARTMENT STABILIZED CONSTRUCTION ENTRANCE GAZ 9/28/2018
Public Works Administrator DATE
CONSTRUCTION ENTRANCE
NOT TO SCALE \ L / NOT TO SCALE
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Q Q T A C O M A S E A T T L E DESIGN t / RI
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97, w�SPOKANE TRI-CITIES 2 REVISED PER CITY COMMENTS DATED 04/02/24 RI 9/6/24
0 ��GISTERE9 l�1 REVISED PER CITY COMMENTS DATED 10 25 23 JMT 2 16 24 ONE INCH
�s 2215 North 30th Street, Suite 300 Tacoma, WA 98403 / / / / GHEGK AT FULL SCALE
Know what's below. sIONAL E� 253.383.2422 TEL 253.383.2572 FAX www.ahbl.com WEB/ MW SCALE ACCORDINGLY
Call before you dig. 09/10/2024 NO. REVISION BY DATE APPR APPROVED:
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DATU M
EROSION AND SEDIMENT CONTROL (ESC) STANDARD PLAN NOTES;
THE FOLLOWING IS A LI-STING OF 13ENERAL NOTES THAT SHALL BE INC:ORPORJATI L) IN THE ERU]RION AND SEDIMENT CONTROL CESC) PLAN SET. ALL THE NCTfES ON THE
LIST MAY NOT PERTAIN TO EVERY FROJECT. THE APPLIC"T OR OWNER. HEREBY REFERRED TO AS APPLICANT, MAY STRIKE OUT IRRELEVANT NOTES IF NOT
APPUC:ABLE TO THE PROJECT. HOWEVER_ THE APPLICANT SHALL NOT RENLrMMR NOR EDIT THE REMAINING NOTES IF ADDITIONAL NOTES ARE NEEDED FOR SPEC0C
ASPECTS, THEY SHALL BE ADDED AFTER THE ESC -STA N DATtD PLAN NOTE&
1 BEFORE ANN CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE•CCMTRUlI MEETING SHALL HE HELD AMONG, THE CITY OF R EWDN. HEREBY
REFERRED TO AS THE CITY, THE kPPLICANT, AND THE AtiPPLII CONTRACTOR.
2. THE APPLICANT US RE SPONSIF?ILE FOR OBTAINING THE WA $HINGTON IaTAT7< DEPARTMENT OF ECOLOGY (ECOLOGY) C0NSTRUf_TI0N 5TQRKfWAsTER UFNERi4L
PERMIT. IF IT 15 REWLIRED FOR TIME PROJECT THE APPLICANT SHALL PROYIRE THE CITY COPIES OF ALL LKNITORIM3 REPORTS PROVIDED TO ECOLOGY
ASSOC IAtiTEi} VATH THE CONSTRUCTION STORMWATER GENERAL RERMiT
3. THE ESC PLAN SET SHALL IWCLUDE AN ESC CONSTRUCTION SEQUENCE DETAdUNG THE COVERED STEPS T14,AT SHALL BE FOLLOVIrEDFROM CONSTFlUC1IC)N
COMMEW-EMENT TO POST -PROJECT CLEANUP IN ORDER 70 FULMLL PRO.IECT ESC REQuiREMENTS_
4 THE BOUHDAR6ES OF THE C:LEARFING LIMITS, SENSITIVE AREAS AND TWJR SUFFERS, AwbD AREAS OF VESETATTON PRESERVATION AND THEE RETENTION AS
F3RESCRIBED ON THE PLAN(S) SHALL 13E CLEARLY DELrNEATED BY FENCFNG AND FROTECTED IN THE FIELD IN ACCORDANCE WITH APPENDI}f D OF THE CFTY OF
RENTON SURFACE WATER DESIGN MANUAL (RENTON SYAW) PRIOR TO THE START OF CONSTRUCTION. DURING THE CON;STRtJCTION PERIOD. NO DISTURBANCE
$EYOND THE GLEARI'NG LJPAIT$ SHALL BE PERMITTED THE CLEARING LIMITS SHALL BE IuIAL14TAINED BY THE APPWC 1TA�SC SUPERVISOR FOR THE DURATION OF
CONSTRUCTION
6. STABILIZED CONSTRUCTION ENTRANCES SHALL OE INSTALLED AT THE BEGINNING OF GONSTRUCTiON AND MAINTAIt+1ED FOR THE DURATMN CIF THE PROJECT
ADDITIONAL MEASURES. SUCH AS CONSTRUCTED WHEEL WASH SYSTEW 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 S140I
!3E CLEANEFI THOR01-raHLY AT THE ENO OF EACH 0AY, OR MORE FREOUF-NTLY DURING WET WEATHER, AS NECESSARY TO PR;EVE NT 5 EDI"r=x1r FROM ENTERING
'HATERS OF *HE STATE.
6. WASHOUT FROM CONCRETE TRUCKS SHALL BE PEW ORMED OFF SITE OR IN DEStIGNATED CONCRETE WASHOUT AREAS ONLY. DO NOT WASH r CONCRETE
TRUCKS ONTO THE GROUND, OR TO STORM DRAINS CNT OPEN DITCHES. ON -SITE DUMPING OF EXCESS CONCRETE SHALL ONLY OCCUaR IN DESIGNATED CONCRETE
WASHOUT A &AS
F ALL REOUIRED ESC BMPS SHALL BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AN15Ji0R COMTRUCTION TQ PREVENT TRANSPORTATION OF
SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS ,AND ADJACENT PROPERTIES. ALL ESC BVII'S SHALL BE MANTAINEO IN A SATISFACTORY CONDITION UNTIL
SUCH TIME THAT CLEA ONG ANMR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSiON HAS PASSED. ALL ESC BAWP5 SHALL BE REMOVED AFTPIt
CONSTRUCTLOw! IS GOMPLET€D AND THE SITE HAS BEEN STAIM UZED TO ENSURE PCITENI IAL FOR ON -SITE EROSION DOE$ NOT EMST. THE IMPLELOEMATION,
MAINTENANCE, REPLACEMENT. ENHANCEMENT, AND REMOVAL ❑F ESC BMPS SMALL HE THE RESPONSIBILITY OF THE APPLICANT
8. ANY HAZARDOU3 MATERIALS OR LIQUID PRQ0U(;T$ THAT HAVE THE PQT!EWIAL TUB POLLUTE RUNOFF SHALL BE OMPQS$O OF PRQftqI Y.
9. THE ESC BMPS DEPICTED ON T141S DRAWINf ARE INTENQE7 Q TO BE MINII1,1+M REQUIREMENTS TO MEET ANTICIPATED SfrE CONDITIONS. AS CONSTRUCTION
PROGRESSES AND UNEXPECTED OR SEASONAL C:ONCIITIONS DICTATE, THE APPLICANT SHALL ANTICIPATE THAT MORE ESC BYPS WILL RE NECESSARY TO ENSURE
COMPLETE SILTAtiT104 CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF C:ONSTRUCTM IT SHALL BE THE OBUGATION AND RESPONSi91LITY Of THE:
APPI_f'CANT 70 ADORES3 ANY NEW CONDITIONS THAT MAY RE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL ESC BMPS, OVER AND ABOVE M041mum
RQIJIRIEAAENTS. AS MAY BE NEI=DIED. TO PROTECTP0JAwCENT PROPERTIES AND WATER OLIALI?Y OF THE RECEIVrNG DRAINAGE SYSTEM.
1D. APPROVAL OF THIS PLAN IS FOR PSC 4 }NLY IT DOES NOT CONST'nUM AN APPROVAL OF STORPA DRAINAGE DESIGN. SIZE NOR LOCATION OF PIPE$, F STRICTOPS,
CHANNELS, OR STORMWATER FACILITIES.
11 ANY DEL4ATE.RIN15 SYSTEM NECE-9-SA+RY FOR THE COT'1$TRUGT ION OF STORMWATER FACILITIES SHIALL [�E -SUjBUI1TEA TO THE CITY FOR REVIEW AKD APPROVAL.
12 ANY AREAS OF EXPOSED -SOILS, INCLUDING ROADWAY UMBAN1{II THAT WILL NOT BE DISTURBED FOR TWO DAYS DU RINC3 THE WET SEASON IOCTOBER 1ST
THROUQH APRIL 30TH) OR SEVEN DAYS OURNG THE DRY SEASON (MAY tST TNRDUGH SEFTEM13ER 3CTM SHALL BE JMAIEDIATELY STABILIZED WTH THE APPROVED
ESC COVER METHDD9 (E G., SEEDING. MULCHING, PLASTIC COVERING_ ETC.) IN CDNFORMANCE WffH APPENDIX D OF THE RENTON SWDM
13. VI SEASON ESC RECUIRFkENTS APPLY TO ALL CONSTRUCTION SITES BETWEEN OCTOSER 1ST AND AMIL 3OTH. UNLESS 07HERWISE APPROVED RY THE CITY,
101 ANY AREA NEEDING ADDITIONAL SSC MEASURES, NOT REOUIRING IMMEDIATE ATTEKTION. SHALL BE ADORE85EO WITHIN 51`VEN I7) DAYS.
1S. THE ESC BMPS t INACTIVE 5ItE0 SHALL BE INSPECTM AND MAINTAIN'N' D AT A MINIMUM IMF Ch1OE A MONTH CAR WITHIN 24 HOURS FOLLC'dWIW-, AI Si0'RM EVENT_
.INSPECTION AND MAIKT5NANCE:$Rk L QCGUR MOVE FREQUENTLY AS REQUIRED BY rHIE: CITY
16 BEFORE COMMFNCEI.tENT OF ANY C:ONSTRUCTIOAI ACTNITY, CATCH BASIN LNSERTS PER THE CITY -STANDARD PLAN 2116.30 SHALL M PROVIMD FOR ALL STORM
DRAIN INLETS VOWNSI OPE AND WITHIN 500 FEET OF A DL:�TUIRBEO OR CONSTRUCTION AREA, uwFLES3 THE FIUNOFF THAT ENTERS THE INLET WILL RE CONVEYED
TO A SEONMENT POND OR TRAP. P.LL CATCH BASIN INSERTS SHALL BE PERIODK:ALLY INSPE.( fED AND REPLACED AS NECESSARY TO ENSURE FULLY FUNCTIONING
CONDITION.
17. AT NO 71ME SHALL SEDIMENT ACCUMULATION EXCEED 21,3 OF THE CAPACITY OF THE CATCH BASIN SUMP_ ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE
CLEANED PIFIIOR TO Pi INC. THE CLEMING OPERATION SKAL.L NOT FLUSH SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM.
1S. ANY PERMA34ENT STC4UA WATER FACILAY LOCATION USED ASA TEMPCWMY $EITLING BASIN SHALL BE Mi IED WITH THE M EC ESSA kY ESC HUPS AND SHALL
PROVLDE ADEQUATE STORAGE CAPAOF Y. IF THE TEMPORARY FACILfrY IS TO UI_TIMATELY FUJNCT10N AS AN INF ILTRATIDN SYSTEM IN ITS PERMANENT STATE, THL
TF-MPDRARY FACILITY SHALL BE ROUGH GRADED SO THAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANF-NT
FAC ILGTY
19 AREAS DESIGNATED ON THE PLANIS) CONTAINING EXISTIW. STORMWATER FACILITIES OR ON-SFfE 8UPS (AMENDED SOILS, 81C7RETENTIQN. PERMEABLE PAVEMENT.
ETC.) SHALL BE CLEARLY FENCED AND PROTECTED US;NG ESC BMPS TO ,OVOID SEDIMENTA71ON AND COMPACTION DURING CCHSTIRUCTION.
20. PPJOR TO THE BEGINNING OF THE WET -SEASON {DCTOBER 16Tj, ALL DISTURBED AREAS SHALL BE INSPECTED TO IDENTIFY WHCH ONES SMALL BE SODDED OR
SEEDD� rN P PARATroN FOR THE VYI R RAINS. DISTU IMBED AREAS $HALL GE SUDDEN OIL SEE:bEO "HIN ON E WOK OF TFI E REG9NH IwiG OF ThS wET SEASON_
AN EXHIBIT OF THOSEE AREAS TO OE rt)ODED QR SEEDED AND THOSE AREAS TO REMAIN UNCDVtRED SHALL DE 5URMITMO TO the CITY rOp Rr;VIFW
21 FRJOR TO FINAL CONSTRUCTION ACCEPTANCE. TFFE PROJECT SITE $HALL HE 9TASIL12ED TO PREVENT SEDIMENT -LADEN 'HATER FROM LEAVING THE PROJECT 91TE,
ALL ESC 13MPS SHALL BE RIFIACNED. AND STORMWATER CONIVEYANICE SYSTEMS, FACiLITrES, AND ON -SITE BMPS SHAD BE RE$TQREDTO THEIR FULLY
FUNC:T1IONING CONDITION. ALL DISTURBED AREAS OF THE PROJECT SITE SHALL BE VEGETATED OR OTHERWISE PERMANENTLY STAW-I.I.MD. AT A MINIMUM.
DISTURSEDAREAS SHALL K SODDED OR SEEDED AND MULC 4ED TO ENSURE THAT SUFFICIENT COVER WILL DEVELC?P SHCRTLY AFTER FIB APPROVAL MULCH
wuIT3i0tJ ` SEEDING IS ADEQUATE FOR AREAS TO BE LANDSCAPED BEFORE OC+TOBER 1ST
22 ROCgERIES ARE C ONSIDERED TO BE A MET"M OF DANK STABIUZATM AND EROSION CQNTT ROCKERIES SHALL NOT BE CONSTRUCTED TO SERVE AS
RVAIININC)WA,LLS. ALL A KEFIIE9IN Crt-Y ROAD RiGHTSiOF-AWAY SHALL BE CONSTI ud-,TED INACI;QRDANC8 y 7,HCrTY STANDARDS_ ROCKEME$ OUTSiDEt7F
ROAD A101-IT OF -'NAY S ALL BE CONSTRUMD IN ACC ORDANIM WITH THE INTERNATIONAL BUILDING Cd:)M
UNLESS OTHt-AWiSE VOTED_ DR. WIM 15 NOT TO W-AU tP I
ST0. PLAN - 268.00
PUBLIC WORKS EROSION AND SEDIMENT CONTROL. P
9K DEPARTMENT GAZ 9/28/ 018 11
STANDARD PL�#fV (VOTES
ei.nlr wrw,ranrm.crc WkT6
EROSION AND SEDIMENT CONTROL NOTES
NOT TO SCALE
Aoxftlk
CITY OF
RENTON
Planning/Building/Public Works Dept.
R-427805
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
MAPLE HIGHLANDS
AHBL JOB #2221005.10
TESC NOTES & DETAILS
DATE:
9/6/2024
FIELDBOOK:
PAGE:
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