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_ — — WSDOT STD PLAN L- 30.10 -01 0
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DETAIL ON SHEET C3.21
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A PORTION OF THE SE 114 OF SECTION 14 TOWNSHIP 23 N. RANGE 5 Ey W.M.
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410
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CS01 w 406
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1 E
(24 4E) =4409
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ROCK OUTFALL 1 l \\ EMERGENCY OVERFLOW
12' DEPJH RIPRAP/ SPILLWAY PER DETAIL
/ / \ ON SHEET C3.21
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NOTES.,
1. THE HOA SHALL OWN AND MAINTAIN THE LANDSCAPING
WITHIN THE STORM TRACT. AN EASEMENT OVER THE
TRACT SHALL BE DEDICATED TO THE CITY OF RENTON FOR
RESPONSIBILITY OF MAINTENANCE OF THE DRAINAGE
FACIL177ES CONSTRUCTED THEREIN.
2 THE FINAL PLAT SHALL INCLUDE LANGUAGE ALLOWING THE
CITY ACCESS TO INSPECT THE FLOW CONTROL BMPS TO BE
CONSTRUCTED ON THE LOTS,
NEENEEMEN
CopvVt02034CPH Cnnsuftsnu. LLC. NI Righfs
CITY OF RENTON
by:
25LF 24" SD
by:
Date:
by:
Date:
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402
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S-TORI`I TRACT
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IE(24TNW) =402.F
(PUBLIC)
DETENTION/WETPOND
MAX. WS =411.0
12' POND ACCS
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WQ ELEV. =405.0
ROAD PER
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BOT. ELEV. =402.0
DETAIL ON
1 E
(24 4E) =4409
\ V A
---------------------
ROCK OUTFALL 1 l \\ EMERGENCY OVERFLOW
12' DEPJH RIPRAP/ SPILLWAY PER DETAIL
/ / \ ON SHEET C3.21
O i0�)
i \
Ap6
I \ I
I I
1 ; 1
I
NOTES.,
1. THE HOA SHALL OWN AND MAINTAIN THE LANDSCAPING
WITHIN THE STORM TRACT. AN EASEMENT OVER THE
TRACT SHALL BE DEDICATED TO THE CITY OF RENTON FOR
RESPONSIBILITY OF MAINTENANCE OF THE DRAINAGE
FACIL177ES CONSTRUCTED THEREIN.
2 THE FINAL PLAT SHALL INCLUDE LANGUAGE ALLOWING THE
CITY ACCESS TO INSPECT THE FLOW CONTROL BMPS TO BE
CONSTRUCTED ON THE LOTS,
NEENEEMEN
CopvVt02034CPH Cnnsuftsnu. LLC. NI Righfs
SHEET C3.21 \
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\
-------------------------------
CITY OF RENTON
by:
Date:
by:
Date:
by:
Date:
SHEET C3.21 \
I
\
-------------------------------
DETENTION VOLUME
PROVIDED (CF)
AS -BUILT VOLUME (CF)
115,400
117,778
AS -BUILT VOLUME (CF)
VOLUME (CF)
PROVIDED (CF)
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26,202
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REVISION
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1 CONE. TYPE 3 (6' HiG4 BLACK
/ VINYL COATED CHAIN LINK
/ FENCE, PER WSDOT STD. PLAN \
L- 20.10 -02, APPROX 742 LF
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DETEN770NIWETPOND VOLUMES
MINIMUM REQUIRED
DETENTION VOLUME (CF)
DETENTION VOLUME
PROVIDED (CF)
AS -BUILT VOLUME (CF)
115,400
117,778
AS -BUILT VOLUME (CF)
MINIMUM REQUIRED
WATER QUALITY
WATER QUALITY
VOLUME
AS -BUILT VOLUME (CF)
VOLUME (CF)
PROVIDED (CF)
24,992
26,202
91Hx31 GRATED OPENING, 112"
DIAM. VERT. BAR AT 4" O.C.
0�
18" DIAM. FLOW STRUCTURE
ASSEMBLY PER CDR STD. —
DWG 237000
POLY STEPS OR LADDER,
75
BOLT TO CATCH BASIN WALL
FINISH GRADE--,,,,
FROM WETPOND
i
78° SD
12" DIAM. SHEAR GATE
W/ LIFT ROD PER CDR
STD. DWG. 23230
CATCH BASIN
REMOVABLE PIPE SECTION
w /SOLID END PLATE=
CS 01— FLOW CONTROL STRUCTURE
NOT TO SCALE
FINISH
OVERFLOW ELEV. = 411.75
POLY STEPS OR LADDER,
BOLT TO CATCH BASIN WALL
CS 02 FROM CS 01
TYPE 2 -48" DIAM.
CATCH BASIN
LOCKING MANHOLE COVER AND FRAME
PER CDR STD. DEE 204.5
RIM EL. = 413.5
OPEN RISER END
TOP RISER =411.7
TO CS02
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1.42" DIAM. ORIFICE
CS 02 — EMERGENCY OVERFLOW STRUCTURE
DEBRIS CAGE PER
COR STD. PLAN 234.20
FLOW TO OUTFALL
IE= 405.00
IE= 404.74
R- 312321
C3.20 NOT TO SCALE
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Tyo Da: CONSULTANTS
Site Planning • CMI Engneedng
JAIM CALL BEFORE land Ilse COna0ldng• Project Management
.. _. YOU DIG 7337tMAwnua ,&tei0011uemae,waeeaca
7-800-4245555 Banx(425) 28523301 Fax (428) 2852389
^ - www. too consultants. Dom
WOMEN
IBS 05/01/1 JBS '"" 1 " =zo' ZR`�1a7 iIf LIBERTY GARDENS 02/21/1,
a ""'a"' "' CITY OF R BDtl:
JAMIE B. SCHROEDER, PE RENTON
ROADWAY GRADING, DRAINAGE AND SANITARY SEWER IMPROVEMENTS
o PETER EVANS Dcwwwc ND:
�� DATUM Planning /Building /Public Works Dept. STORM WATER POND DETAILS 03.20
JAMIE B. SCHROEDER, PE w xor x ua
BY DATE APPR "aa SNAUE
PROVED r 21 X40
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