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Home My WebLink AboutR-405408Lo 0 w W 0 z 17 -17 Lu 17 Wa rr Q 0 w U 74. Ld Ld Z Ll LEVEL BOTTOM 2 2 MAX Mom. 1 r 12" MIN. �\\�//\�/\\�//\%/��%/��%/i�%//�%�\��... . ///\ 2' MIN. SWALE SPACING DEPENDS ON SLOPE GRADIENT 1. CONDITIONS OF USE 1.1. REQUIRED AT: 1.1.1. THE TOP OF ALL SLOPES IN EXCESS OF 3H:1V AND WITH MORE THAN 20 FEET OF VERTICAL RELIEF. 1.1.2. AT INTERVALS ON ANY SLOPES THAT EXCEEDS THE DIMENSIONS SPECIFIED BELOW. AVERAGE SLOPE SLOPE PERCENT FLOW PATH LENGTH 20HA V (OR LESS) 3-5 % 300 FEET (10 TO 20)H:1V 5-10 % 200 FEET (4 TO 10)H:1V 10-25% 100 FEET (2 TO 4)H:1V 25-50 % 50 FEET 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1. FOR SLOPES STEEPER THAN 2HAV WITH MORE THAN 10 FEET OF VERTICAL RELIEF, BENCHES MAY BE CONSTRUCTED OR CLOSER SPACED INTERCEPTOR SWALES MAY BE USED. THE DESIRED MEASURE MUST BE DESIGNED BY AN ENGINEER TO EFFECTIVELY INTERCEPT THE HIGH VELOCITY RUNOFF TO A SEDIMENT POND OR TRAP. 2.2. CONSTRUCTION TRAFFIC OVER TEMPORARY SWALES SHALL BE MINIMIZED. 3. MAINTENANCE STANDARDS 3.1. DAMAGE RESULTING FROM RUNOFF OR CONSTRUCTION ACTIVITY SHALL BE REPAIRED IMMEDIATELY. 3.2. IF THE FACILITIES DO NOT REGULARLY RETAIN STORM RUNOFF, THE CAPACITY AND/OR FREQUENCY OF THE SWALES SHALL BE INCREASED. UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS) Aowlu STD. PLAN - 217.10 ® PWORKS INTERCEPTOR SWALE PPR D 9/28/2018 [UBLIC �1� DEPARTMENT GAZ Public W orks Administrator DATE Call 2 Working Days Before You Dig 811 Utilities Underground Location Center (ID,MT,ND,OR,WA) ti. PIEj)/ or waSil/ ' C 53232ISTFV �SSI�NAL b�p•lg W o"), N�sj El :45 AN D.R. STRONG CONSUL TING ENGINEERS ENGINEERS PLANNERS SURVEYORS 620 - 7th AVENUE KIRKLAND, WA 98033 O 425.827.3063 F 425.827.2423 SE 1/4 SECTION 14, TOWNSHIP 23 N, RANGE 5 E, W.M. CEDARS A T THE HIGHLANDS �oOOoU FLOW �y OO� 0 0 (), -0-(- 0 00 0�0 0�0 0�0 � 0 ' PLAN \_ DITCH CHECK DAM (TYP.) NOTES: 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 URIPUBLIC WORKS DITCH CHECK DAMS PPR D 9/28/2018 1 DEPARTMENT GAZ Pubic Works Admen t-,, DATE 1 CITY COMMENTS 02.19.19 1 CITY COMMENTS 05.03.19 N0. REVISION :45 AN DRD 04.11.19 YLP SURVEYED: JGR SCALE: AS NOTED CYW 06.20.19 YLP DESIGNED: YLP DRAWN: GLB ONE INCH CHECKED: AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY BY DATE APPR APPROVED: EROSION AND SEDIMENT CONTROL (ESC) STANDARD PLAN NOTE& THE FOLLOWING IS A LIS71NG OF GENERAL NOTES THAT SHALL BE INCORPORATED IN THE ERDSICIN AND SEDIM ENT -ODNTRCIL {ESCJ PLA14 SET ALL THE NOTES IDN THE LIST WAY NOT PERTAiKK TO EMERY PROJECT THE APPLICANT OR OWNER, HEREBY REFERRED TOAS APPLICANT. MAY SrRIKE OUT IRRELEVANT NOTES IF NOT APPLICABLE TO THE PFDCJECT. HOWr=VFR, THE APPLICANT SHAU NOT AiF=h , MKFt NOR EDIT THE REMNNiNO NOTF$ IF ADOrT*ONAL NOTES ARE NEMEC FOR !;KVFIC ASPECTS, THEY SHALL BE ADDED AFTER THE ESC STANDARD PLAN NOTES. I BEV-ORE ANY N5TKLtlDON OR DEVELOPMENT AIGTIVItYO URS. A PRL-GCiN5TRU CTaUN MEI=TW6- SHALL IBE HELD AMONG tHt (;17Y OF RENTON. HEF�EOY P EFr=RRED TQ AS THE CITY THE APPLICANT, AJ4D THE APPLICANTS CONTRACTOR. 2 THE APPLICANT IS RESPONSIBLE FOR 08TAIING THE WASWNL5TON STATE DEPARTWNT OF ECOLOGY �ECQLUGY} OOMSTRU!CTION STORMWATER GENERAL PERMIT. IF IT IS REOLARGD FOR THE PROJECT. TINE ARPL4,ANT SHALL PRCIV" THE CITY COPtaES OF A.L.L MONFTOFI3HM$ REPNORTS PROMOEO TO ECOLOGY ASSOCLALTED VY17H THE CORSTRIJCTICM STGRViNAT•ER GENERAL PERMIT. 3 THE E5C PLAN SET SMALL INCLUDE AN ECG UON9TRMT40N 5EOUENCE QETAIUMO THE CMAERED 57EP5 THAT SHALL BE FO;LL0V ED FROMiiONSTRX-n0H COMkIENCEK4ENT TO POST -PROJECT CLEANUP IN ORDER TO FLrLFILL PROJECT E.SC REQUIRE MEK PTS. 4. THE BOUNDARIES OF THE CLEARMG LIKHTS, SENSIT VE AREAS ANO THEIR BUFFERS. AND AREAS OF VEGETATION PRESERVATION AND TREE RET€NTON AS PRtWRIVEO ON THE INKS) SHALL DI'_ CLEAT► Ly Of-LINEATI=O 6V FtN�INC3 AND "OJECILD IN f HE FIELD IN ACWR ANIl t WITH APRENOIX D OF THE isitY ()IF RENTON SURFACE WATER DESIGN MANUAL tAEIWTQN SWD11A) PRIOR TO THE START OF CONSTRUCTION DuAiNG THE CONSTRUCTION PERIGD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAIMAIraED BY THE APPLICANTlESC SURIERVI&OR FOR THE OURJk noN OF CONSTRUCT ION. 5. STABILLZED CONSTRUCTION ENTRANCES SKALL HE INSTALLED AT IMF- BEGINNING OF CONSTRUCTION AND MAINFAMED FOR THE DURATION OF THE PJcJECT. ADOTIONAL MEASLI4R.€S, SUCH AS CONSTRUCTED YYHEE:L Y4AStiSYSTEMS OR WASH PADS, MAY 84= REDUWEDTO E-N3URE THAT ALL PAVED AREAS ARE KEPT CLAN MO IRAC K-00 TO ROAO AIGHt OF wAY -DOES NOT OCCLIn;01% r"e OUptAtION OF r•"E Fookcr. If immoN1 49 TPACKED OMFPT!12. PUBLIC ROADS VALL OE -Q7LEAWD T14DROUGHLY AT TP4F_ END OF EACH DAY, OR MORE FREQUENTLY DURING WET WEATHER. AS NECEgl:,AR PTO PAEvENT SEDIMENT FROM ENTEAMQ WATERS OF THE STATE. C. WA$HiQIPT PROM CC REIE TRUCKS SOLL DE PIERFORME D OFF -SITE OR IN CIMONATE0 CObrAETE WAVIO+UT AFMAS ONLY. OO NOT V+ASH OUT OOHORETE TRUCIKS ONTO THE CROLIND, OR TO STOW DRAINS OR OPEN DITCHES. ON -SITE DUMPING OF EXCESS COW -REM SMALL ONLY GCCUR IN DESIGhL4TEG LCFxETE WASHOUTAREAS. F ALL REOUIRE'D U4 OMP$ $HALL K GE)N 1RUCTED AND IN OPE RATION PRIOR TO L AND CLEARM5 ArakDR CONSTRL1t1MN TO PR1=Vr=IiT TRAM$ TATICN C€ SEDWENT TO SURFACE WATER, DRAdNAGE SYSTEMS AND ADACENT PROPERTIES. ALL ESC 9MPS SHALL BE MAINTANEi) IN A SATISFACTORY CONDITION LffiTlL SUCH TIME THAT CLEARING ANDCR CONSTRUCTION IS CDI.IPLETE AND POTENTIAL FOR CN-511TE EROSICCN HAS PAWED. ALL ESC HMP3 SHALL BE REKNUVED AFTER CON STRUC 40N IS MM13LETED AK01HE $ITE I"DEEhI STAOIL1ZED TOENSuRE POfENfIAL F� ONI-SITE EROSION DOES NOT THE IMPLEMENTATION. MAINTENANCE RtEPMLkCEMENT, ENHANCEMENT, AND IRE MCN L OF EEC BIMPS SMLL BE THE RESPONSIBILITY OF THE APPLICANT. -11 ANY HAZAfWQU5 MATERIALS -OR LIQUID FRODUCT5 THAT RA E THE PQTENrIAL TOP LLUTE I UNOFF SHALL BE DOPO5£ID OF PiROPERLY. 9L THE ESC EF/IPS DEPICTED OJH THIS DRAWING ARE INTENDED TO BE UMMUM REQUIREMENTS TO MEET ANTbGWA.T1`11)SITE CONDITIONS, AS CONSTRUCTION PROGRESSES AIg0 UNEXPECTED OR SE+ NAIL-GONOITIONS DICTATE, THE liPPUCAWr SHALL AWrXNPATE THAT MORE ESC BMPS WILL BE NECESSARY TO ENSURE OOMRLETE SILTATIUN Of.�NTROL ON THE FROPOSEO SITE I)UhtN5 tHE CO+,JI�SE OF OON:5TINUOTION. IT SHALL DE THt 081IGATION AND RE5RONSIBILITY OF THE APPLICANT TO ADDRESS ANY NEWCQNWi0Ns THAT MAN $E CREATED BY THE ACTIVITIES AND TO PROVIDE ADDaTICNAL ESC OMPS. OVER AND ABOVE MINIMUKA REQUIREMENTS, AS MAY BE #NEEDED. TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECJEIANIG DRAINAGE SYSTEik. i0 APPROVAL OF lmi5 PLAN 1 15 FCP E SC ONLY. 9T DOES NOT CONSTF rLl TE AN APPROVAL OF STORM D"H OE DESON. SIZE NOR I~UCAIIOX OF PIPES. PUTRICTOh�;. CHANNELS, OR STORKWAT£R FACILITIES. 11 AKY DE4'4ATERING SYSTEM NECESSARY FOR THE CONSTRWTICIN OF STORMWATER FACCIDTaES SHALL BE SUBMITTED TO THE CITY FOR REL9E41t AND AFPROVAL 12. ANY APEAS OF EXPOSED SOILS, WGLDD- MG ROADWAY EMBANKCMEHTS, TWAT WILL NOT BE DISTURBED FOR TWO DAYS; DLIR G THE WET SEASON (OCT-DUER IST THROUGH APRIL.3DTH) OR SEVEN DAYS DURING THE DRY SEASON WAY i ST THIROUGH SERTEMBER 30THI SHALL BE IMMEDLATELY STABILJZFD WITH THE APPRGVEE- ESC COVE19 METHODS rE.O . SEEDINO MLCHWG. PLASTIC COYERih*. Stir � IN CONFORWAWE VvIrHAFWENOIX 0 OF tHE AE ITOM $WPM 13, WET SEASON ESC REQUIREMEMTS APPLY TO ALL CONSTRUCTION SITES BETWEEN OCT-D ER rSTAND APRIL 36TH, UNLESS OTHERWISE APPRCAeED BYTHE CITY. 14 ANY AREA NEEDING AVOITNDNAL EW MEASURES. NOT REQUIRING IMMEDIATE ATtENTfON, 5HALL BE ADDRESSED WITHIN SEVEN 17) DAT5. 15. THE ESC BMPS Oita INACTIVE SITES SHALL M INSPECTED ANDUAINTAINEErAT AJAINIIMUM OF 014WEAIMCI JTH OR WITHIN 24 HOURS FOLLOWING A STOW EVENT IHSPECT+ON AND MAIL ITENAMCE SHALL OCCUR MORE FREQUENTLY AS REQUIRED BY THIE CITY 1C BEFORE CGIVIMENCWENT OF ANY CONSTRUCTION AOTLVITY. CATCH BASIN INSERTS PER THE CrIFY STANOARO PLAN 21� 30 SHALL BE PROWIOED FOR AJi STQRk' DRAIN INLETS DOYIJNSLOPEAND WITHIN 501) FEET OFADMSFURBED OR CONSTRUCTION AREA. UNLESS THE RUNGFF THAT ENTERS THE INLET WILL B€ CONVEYED TO A SEDIMENT PONO OR TRAP ALL CATCH BASIN INSERTS SHALL BE PERIODICALLY IN5PEO7EO AND RE"CED AS NECESSARY TO ENSURE FLILL'r F'i NCrI0.NI; 1C 1�i)NI)ITI1)N 17. AT NO TIME SHALL SEDIMENT ACCUMULATION EXCEED 2I3OF THE CAPACITY OF THE CATCH BASIN SUMP. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRfCFt TU PAYING. THE GLEAM OFERATIM SI-AUL NOT FLUSH 5EDIMENTA-AOEN VYATER INTO THE ClOWNSTREAM 9YSrEM. M ANY PERMANENT 9TORMINATER FACRUTY LOCATION USED AS A TEMPDFARY SETTLING BASIN SHALL BE MODIFIED VATH THE NECESSARY ESC BMPS AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE TEMPORARY FACILITY iS TO ULTIMATELY FUNCTION AS AN INFILTRATION SYSTEM M#J ITS PERMANENT STATE, THE I�WoRARY FAtiLI` y SHAILLOE CFI Ck9XIUO SO IHAT THE DOTAND $ICE$ ANE AT LEA$t THIREI` FEET ABOVE IHE FINAL GRAUE (F 1HE PLkMANj:Nr FACILn- . 19. ARE4A3 DESIGNATED ON THE PLAN(S) CONTAJNRIIG EXISTING STORMINATER FACILITIES OR 414�51TE BMPS MIENDEU SOILS. SICT TENTION, PERMEABLE PAVEMENT ETC,) SHALL DE CLEARLY FIENCIEDAND MOTEIwT-ED USING ESC $MPS TO AVOIQ $EDIMENTWTION AND COMpA.CTIC+V DUkINO aiOrcSmv$TIoja 213. PRIOR TO THE BEGINNING OF THE VVETSEA.SON COCTOBEIR 1STk ALL Di3TIMBED AREAS SHALL BE MSPECTE'DTO IDENTIFY Sh1 W-H ONES SHALL BE SODDED OR SEEDEQ NI PREPARATION FOR THE WIN L ER RNN5. D15TURBI`D AREAS SI ALL EWE $ODO€D QR OEEDEO VVITHIN ONE WEDK OF THE BEGIHIHPHG OF THE WET SEA5�m AN EXHIPIT OF THOSE ARAA TO OE 9012112IF0 OR SFEPFD AND THOK ARF-AS TO REMAJIN IUKOVEREU $'HALL BE $UDWTTEO TO THE CITY FOR REVIEW 21. PRIOR TO FINAL CONSTRLJ17T40N ACCEPTANCE, THE PROJECT SITE SHALL BESTABILIZED TO PREVENT SEDIMENT-LMEN WATER FROM L€AVtNG THE PRCLJEC` 5 TF. ALL ESL~ OMP:5 SHALL $E AEMOVEO. AND S'r4AmwArER CoNVEYAHCE 9"rEMS. rACIL I F MS. AP40 OI-WrE OMP5 SHALL DE RESYORIED t-0THEIR f4JLLY FLINCTICNddG1DONDTfION. ALL DI&TURB✓EDAREAS OF THE PROJECT SITE SHALL OE WEGETATr=DOR OTHERWI&E PERMANENTLYSTAWLIZED AT A MINIMUM DISTURBED AREAS SHALL SE SODDED OR SEEDED AND MULCHED TO ENSURE THAT SUFFICIENT COVER WILL DEVELOP SHORTLY AFTER FINAL APPROVAL. MULCH WITHOUT SEEDINGJ9 ADEQUATE FOR AREA7STO BE LANDSCAPED BEFORE OC70BER 1ST. 22. ROCKERIES ARE CONSIDERED TO BE A METHOD OF eMK STABILIVATION AND ERDSJON CONTROL. ROCKERIES SHALL NOT BE CON'+NSTRUCrED TO SERVE AS RETAINING WALLS. ALL ROCKERIES IN CITY R CIAD RIGHT&OF-WAY SHALL BE CONSTRUCTED IN ACCORDANCE Wn F CITY STANDARDS. ROCKERIES CLJTSRDE OF WOAD kI5"7&-OF-WAY SHALL BE C0l+N6rRU0TeCI IH ACCON ANCNE WItH tHE INTEMNATONAL BUILDING DUDE VERTICAL: NAVD 1988 HORIZONTAL: NAD 1983/1991 QATUM I-MLESS C7l+IEHWIA +4oFL:D,bHAYONG 15 noT T] SCALL4MIS) STD, PLAN - 268.00 PUBLIC WORKS EROSION AND SEDIMENT CONTROL P'p ta: DEPARTMENT STANDARD PLAN NOTES GAZ 9/28/2018 ' �Y•r •n YYfi �I� 1 oi C TY OF RENTON Planning/Building/Public Works Dept. R-405408_ IN COMPLIANCE WITH CITY OF RENTON STANDARDS DEVELOPMENT ENGINEERING W IL bbannwarth 07/01 /2019 %j CEDARS AT THE HIGHLANDS TESC NOTES AND DETAILS 14120160TH AVENUE SE RENTON, WASHINGTON 98059 01.29.19 PAGE: C8 SHEET: OF:28 DRS PROJECT NO. 16041 T T C) Cn 3% U m 00 T C) C) I T I J n LOX C) C) C) I T 0- V J 0 z a J Lu a cn w U