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LEVEL BOTTOM MAX.1 1
/
12" MIN. \ \\ \\
//i/
f 2' MIN.
SWALE SPACING DEPENDS ON SLOPE GRADIENT
NOTES:
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.
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. FOR SLOPES STEEPER THAN 2H:1 V 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)
STD. PLAN - 217.10
PRI DEPARTMENT PUBLIC WORKS INTERCEPTOR SWALE PFR D GAZ 9/28/2018 1
Public W.,ks Administrator DATE
I
Call 2 Working Days Before You Dig
811
Utilities Underground Location Center
(ID,MT,ND,OR,WA)
AVERAGE SLOPE
SLOPE PERCENT
FLOW PATH LENGTH
20H:1 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
1
: 4 5
NE 9/4 SECTION 14, TOWNSHIP 23 N.,RANGE 5 E, W.M.
MAPLE HIGHLANDS
D
O o°O O o°O
B oO00oO0 FLOW \iy oO00oO0
oo��o oo�oo
0
' PLAN
DITCH CHECK DAM (TYP.)
ROCK MUST COMPLETELY COVER THE BOTTOM AND SIDES OF THE DITCH
6" MIN. ///AArVAr`
24" MIN.
18" MINIQ \\rr
SECTION A
2"-4" ROCK
2
1�QQ� a 2
L
L =THE DISTANCE SUCH THAT POINTS B 18" MIN.
//�//i/�• j///// // / A AND B ARE OF EQUAL ELEVATION
/
BOTTOM OF DITCH
SECTION B
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
,} PUBLIC WORKS DITCH CHECK DAMS PPR D. 9/28/2018 1
DEPARTMENT GAZ
Public Works Administrator DATE
:45
EROSION AND SEDIMENT CONTROL (ESC) STANDARD PLAN MOTES:
THE FOLLOWING IS LISTING OF GENERAL NOTES THAT SHALL BE INCORPORATED IN THE ERSISIONA�ND SEDIM€NT-ODNTROL {ESC�PLA14 SET. ALL THE NOTES ON THE
LIST MAY NOT PERTAIN TO EMERY PROJECT THE WPLICANT OR OWNER, HEREBY REFERRED TO A� APPLICANT. MAYSrRIIr,E OUT IRRELEVANT NOTES IF NOT
APP41CA�E TO THE PI�JECT. HO+ r=VFR, THE APPLrCAI*T:;HALE NOT AiF=N MKFt KH FR EDIT THS REMNNiNO NOTF$ IF ADOrT*ONAL NOTES ARE NEEDDO FCM SPEVFIC
ASPECTS, THEY SHALL BE ADDED AFTER THE ESC STANDARD FAN NOTES.
1 9ff ANY VjN5Tl%L5CMN Oil DEVELOPMENT ,d,CTWItY O JRS. A PRIa-GUNO�'R�tlUN WI=11ING SHr R,
+�LL OE HI`LQ AMONG tHt C17Y OF RENTON. HEDY
RtEFr=RRED TO AS THE CITY, THE APPLICANT, AhC THE APPLICANT'S fiONiTFU%C•TOR.
2 THE APPLICANT IS RESPONSIBLE FOR 08TAWING THE WA5RIhwGTON STATE DEPARTMENT OF ECOLOGY (ECOL4�rY} CaONSTRuCTIOM STORIVINATER GENERALPERMIT, IF IT tS REQuj tGD FOR THE PROJECT THE APPLC,ANT SHALL PRrCYVG THE CITY COPdES OF AL M0NI7OFuh* REPORTS PW)MOED TO ECOLOGY
ASSOCL,LTED WITH THE COP6TRIJCTIOR STGRr�fWATER G€TIERAL PERMIT.
3. THE E5O PLAN SET SHALL INCLUDE AN ESC GON9TRWTION 5EOUENOE OETAIUNf3 THE ORDERED 57EF5 THAT SHALL BE F0110'/ED FROMtGNSTRuc-nON
COMMEK?DEMCNT TO POST-PR0w0CTOLEAHuP IN ORDER TO FLrLFILL PROJECT ESC Rr=CmA 2EMEWIFS.
d. THE BOUNDARIES OF THE CLEARING LIMTS, SENSJTTVF-AREAS ANO THEIR BUFFERS. AND AREAS OF VEGETATION PRESERVATION AND TREE RETENTION AS
PRE&CRMI=Q Cdq THE PLANkS) SH�L BE CLEA-RILY MVNEATEO Bw Ftr��ING AND MO IE-CfiED IN YHE P*LO IN AOWHDANIsE WITH APPENdIX D IOF THE tfrY OF
RENTON SURFJ4CE WATER DEIGN MANUAL rREWIFON SWDM) PRIOR TO THE START OF CONSTRUCTION DLti21NG THE CONSTRUCTION PERIOD, NO DISTURBANCE
BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLIC kNrlF_5C SUPERVISDR FOR THE 0UR1lTION OF
GONSTRUCTION.
5. STABILLZED CONSTRUCTION EWrPj% GES S#1ALL 9E INSTALLED AT THE BEGINNIP413 OF CONSTRICTION AND MIAINTAMED FOR THE DURATION OF THE PROJECT.
AD04TnNAL MEASURES, SUCH AS. CONSTRUCTEJD YYHEE� Wk&l SYSTEMS Off WASH PADS, MAY BE RECAJWJED TO ENSURE THAT A.tL PAVED AREAS ARE KEPT
CLEAN �10 1 RACK- T TO FWAO RI(51+1 OF WAY DOES No r OCCuA :rOR rF* L vRAt 101y OF rHE PnOjECT. IF SECIMEN1 L5 YRACKED OFFSk r�. PL►�LIIS OS SHAI
OE CUANED rHOROUGHLY AT THE END OF EACH DAY, OR MORr= FREQUENTLY DURING WET Wr=ATHER AS NKr=&& RYTO PAEI�EI+IT SEDIMENT FROM ENTEPjNG
WATERS OF THE STATE.
C. WA$HOIPT FROM COKRE7E TRXKS SHALL DE P,ERI'OWE D OFF -SITE OFF IN CECICNATEO COWRET� �'1�5+'1O T AUs ONLY. CIO NOT ViASH OUT COHCRET�
TR"S ONTO THE A GROUND, OR TD STORM DRNG OR OPEN DrFGHES. ON -SITE DUMPING OF EXCESS CONCRETE SHALL ONLY OCCUR IN DESIGhIL4TEG GRF-TE
WASHOUT AREAS.
F ALL REOLIIREiEG
x C OMI S SHALL COW-MOCTED ANO IN OK FIATION PRIOR TO LANE) OLF-ARING �.h WOR COh�STFxLki:;'MN TO PR:EVEIiT MAND TATION OF
SEDIMENT TO SURFACE WATER, DRAMAGE SYSTEMS ANDADJCENT PROPERTIES. ALL ESC RMPS SHALL BE UAINTAJNED IN A SATISFACTORY CONDITION UNTNL
SUCH TIME THAT CLEARING ANDrOR{ONSTRUCTIOR ISCOAPLETE AND POrENTIAL FOR OWSITE EROSIOCJ HAS PASSED. ALL ESC BMRS SHALL BE REMOVED AFTER
CONGTRur,PON IS MPLET'ED AKO THE SITE Fo4 :BEEm STAOUZED TO EhISuRE POTENTIAL FOA Om-VTE EROSION DOES NOT EXIST TIE IMPLEMENTAL'TIOhI.
MAINTENANCE REPLICEMENT, GNHANCEMEhTf, AND REMC'VAL OF EEC BIAPS SF[ALL 9E THE RESPONSIBILITY OF THE APPLICANT.
-5 ANY HAZAROC'U� MATERIALS OR LIQUID PRO'DUCF5 THAT HAvE rHE POTENTIAL TO 'POLLUTE RUNOFF 5�HALL BE DISR45ED OF PROPERLY.
43. THE IESC 9MPS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MIRIMLIM REOLnREMENTS TO MEET ANTICAPATEUSITE CONEnTIQNS, AS CONSTRUCTION
PROGRESSES AND'UNEXP€OTED OR SEASONAL GAh11DWTIONS DICTATE. THE. APPUC:AWr SHI�Lt AMTKNPATE THAT MORE ESC BMPS WILL BE NECESSARY TO ENSURE
COMPLEtE SILTArIoN CONTROL ON'tHE FWPOSEO FIFE DLaRiNc} rHE f;fYJRSE OK DOr+61quovIo 1. It SHALL BE tHt 0811TION AND RE5FONSIBILIIY OF THE
APPLICANT 70ADDRE9SANY NEW CQNCiTIONS THAT MAV BE CRr=ATED BY THE ACTIVITIES AND TO PROVIDF ADDITIONAL ESC BMPS, I)Vr= t AND ABOVE MINIMUM
REQUIREMENTS. AS MAY BE NEEDED. TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE REC€IVANG DRAINAGE SYSTEM.
14J Ap�0V�4L � THI25 PL M I� FOA G SC ONLY. IT DOES NOT CON85-TkTUTE AN PPPPOVAL OF STORM INAGE DIEMN. N� IEA
~OCATIOM OR "P, RU'rptIOTORLS.
CHANP-1ELS, OR STOF�KWATER FACILITIES.
11 AKY DEw4ATERWG OYgTEM NECESSARY FORD THE ONSTRUCTION OF STORIVIWATER FACILFTIIES SHALL BE SLII@MITTED TO THE CITY FOR RUAIEW AND APPROVAL
12. ANY APE-LkS OF EXPQLSED SOILS, OrCLL►. MG ROADWAY EMBANKMENTS, THokT WILL NOT BE DISTURBED FOR TWO DAYS DLt G THE Wr=T SEASON (OCTO9ER iST
THROUGH APRIL.3DTH7 OR SEVEN DAYS DURING THE DRY SEASON {MAY i ST TFNICYJGH SEPTEMBER 3DTH) SHALL BE IMMEDIATELYSTASILAZED WITH THE APPRGVEE'
ESC COVED METHS I.E.G . SEEDING#. UILILCHWG. F1LASTIC COVERING. ETC � IN NFOKWAWE VrlrHAJWENaI7L D OF 7� HE hf" SWDM
11 WET SEASON ESC REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES B€TWEENOCTOBER rSTAND APRIL �36TH. UNLEESS OTHERWISEAPPRGV:ED BY THE CITY
14 ANY AREA NEIEDINO AlUDINDNAL EE4 ME,�5URES. N07 REOUIFtINO IMMEDIATE ATtENTION, 5.HALL BE A0DRESSED WITHIN SEVEN 17) DAT5.
15. THE ESC BMPS OIN INACTIVE SYT'ES SHALL M INSPECTED AND MAINTAINEEtAT AMIN(MUM OF 0*CEAMONTH OR WITHIN 24 HOLFPS FOLLOWING A STOfIM EVENT.
INSPEGMN AND MA ITENANCE SHALL OCCUR MORE FREQUENTLY AS REQUIRED BY THE CITY
1C DEFORIE COMMEN,ICEMr=NT OF ANY CONSTRUCTION A10WITY CATCH BASIN INSERTS PER THE CrTY STAMOARD PLAN 21C.30 SHALL DE PFIOWIOEO FOR AJ L STORM
DRAIN INLETS DOWUNSLOPE AND WITHIN 5CD FEET OF A U SFUREED OR CONkSTFHJCTION AREA.. UNLESS THE RUNOFF THAT ENTERS TtiE INLET WILL B€ CONVEYED
TOA SEDIMENT P'ONU OR TRAP A L CJ%7CH BASPI+i INSERTS SHALL BE PERI00ICA11Y INSrPEOTEO AND REPLACED AS NECESSARY TO ENSURE FULLY FUNCTIONING
GGNI)ITION
17. AT NO TIME SHALL SEDIMENT AICCUMLRAT DN EXCEED 213OF THE CAPACITY OF THE CATCH BASIN SUMP. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BL
CLEANED PRIOR TU RAVIN6. THE CLEA�+IW5 OPERATIONSHA�Lt NOT FLUSH BEDIMENT 1' EN VYA7ER INTO THE N5�TREAM 9YSrEM.
1.9. AN PERMAhtENT STCCIVI 'ATER FACMJTY LOCATION USED AS A TEMPDRARY SEWTTLING BASIN SHALL BE MODIFIED fN THE NECESSARY ESC BMPS AND SHALL
PROVIDE ADEQUATE STORAGE CAPACITY. IF THE TEMPORARY FACILITY 1S TO LKTIMATELY FUNCTION AS AN INFILTRATION SYSTEM 11N ITS PERMANENT STATE, THE
1 EMPOik4RY PACIL17y $HALL �E SOUGH ORADEO �G 1 HA I TiHE 60'T706A AND $ICES AA� PLT LEA$t i'HREE � EVI ABOVE [HE � INAL GIBE OF THE PERMANENT
FACILITY'.
19. AREAS DESkGNATEEI ON THE PrLAN(SI CONTAJNrP4G ENLISTING SFORMIM1WATER FACILITIES 0R OK.SITE BMPS ?AKIENDECI SOILS. SIORETENTION, PERMEABLE PA,VEA1ENi
ETC.) SHALL DE CLEARLY FIEN,I p AND �OTVIwTDD uSING ESC IBNP8 TO AVOID S.EDIM.�ENI'ATION AND COMIIIPO,CTICIV DURING'COtCt TR'UCTI�I
20. PRIOR TO THE BEGINNING OF THE WET SEASON COCFOBER 13Tk ALL DiSTLWBED AREAS SHALL BE R48PECTEDTO IDENTIFY VMZCH ONES SHALL BE SODDED OR
SEEDED W PREPARATION FOR THE WIN IER RAINS. DISTUR13ED AREAS !S"LL BE SOOED 0R SEEDED WE WITHIN ONE WEEK OF THIS ISEGIN HPHG OF THE WET SEA5c1
AN DYMPIT OF TH)DSE ARlikS TOLE SODUD OA GFSDF;D AND THO&E AREAS TO REAu MN LINCOVGREO $HALL BE QUBMITTEO TO THE CITY FOR REvir= q.
21. PRIOR TO FINAL CONSTRUfGTtQN ACCEPTANCE, THE PROJECT SITE SHALL BE STAEOLIZED TO PREVENT SEDIMENTAADEN WATER FROM LEAVWG rHE PR0.1ECr SITE.
ALL E OMP� SHALL OE AE.MOVEO. AND S1ORMWAttli CUNYiLYA)VCk $Y$rEMS. rACILItIE�. AND ON-80I E 15 IPS "ALL BE RESTONIEG TO 1HEIR FULLY
FLPNCTION94G OONDITION..ALL DISTURBEDARr=AS OF THE MQJECT SITE SHALL OE WEGETATr=DOR OTHERWI&E P7= MANF-WrLYSTAWLIZED AT A MINIMUM
DISTURBED AREAS SHALL BE SODDED OR SEEDED AND MULCHED TO ENSURE THAT SUFFICIENT COMER WILL DEVELOP SHIDRTLYi4FTER FINAL APPPJDVAL. MULCH
WITHOUT SEEDING 19 ADEOUA7E FOR AREA5 TO BE LANDSCAFTED BEFORE OC70BER 1ST.
22. ROCKERIES ARE CONS41DERED TO BE A METHOD OF I NK STABILIZATION AND EROSIDN CONTROL. ROCKERIES SHALL NOT BE CQNSTRUCr ED TO SI=RVE AS
RETAINING WALLS. ALL ROCKERIES IN CITY MD RIGHTB'OF-WAY SHALL BE CONSTRUCTED IN ACCORDANT E wY rFHI CITY STANDARDS. ROCKERIES OLJTSRDE OF
ROAD NI��iT�F-WAY SHALL 15E CCN8TA4JCTEQ IN AOC�C�I�bIP�h+C� WItM tHE INTERNATONAL BUILDING GCDE
1 CITY COMMENTS 11>12>19 YLP 02.14.20 YLP SURVEYED: SCALE:
w`` VERTICAL: NAVD 1988
D.R. STRONG 2 INTAKE COMMENTS YLP 06>16>21 YLP DESIGNEDAS NOTED HORIZONTAL: NAD 1983/1991
Y�
CONSUL TING ENGINEERS 3 CITY COMMENTS 07>27<21 YLP 08>13>21 YLP
DRAWN:
ENGINEERS PLANNERS SURVEYORS GLB �TYI�
^- t'
ONE INCH I
620 - 7th AVENUE K/RKLAND, WA 98033 CHECKED:Y� AT FULL SCALE DATUM
IF NOT ONE INCH
O 425.827.3063 F 425.827.2423 N 0. REVISION BY DATE AP P R APPROVED: SCALE ACCORDINGLY
YLP
Ltt1ILVIS YMIl LWiSENMM,-bkAwdlu Is noT T-n SCALL4MI�]
STD. PLAN - 268.00
PUBLIC WORKS EROSION AND SEDI IEI T CONTROL m
DEPARTMENT STANDARD PLAN NOTE GAZ 9/28/2019 1
.. ... DATE
R-409109
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
SURFACE WATER UTILITY
krevans 10/01 /2021
DEVELOPMENT ENGINEERING
njanders 10/01 /2021
DATE:
' MAPLE HIGHLANDS 09.05.19
� O TY 0 � TESC NOTES AND DETAILS
FIELDBOOK:
RENTON PAGE:
• 7 DRAWING NO:
Planning/Building/Public Works Dept. 16210 SE 134TH STREET Cg
RENTON, WASHINGTON 98059 SHEET: 9 °F41
LJ
Q
J
DRS PROJECT NO. 17020