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420
415
co
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410
m
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m
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400
395
CELL "
POND EXCAVATION
3:1 SIDE SLOPES
(TYP)
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POND OUTLET
W/DEBRIS BARRIER
STA 0+0(Y—
N 185222.53
E 1312726.70
SEE RENTON STD
DETAIL 223.00
AND DETAIL 5/C-4
18" S 1
TOP OF DETENTION
VOLUME,
EL 411.5 -
SEE PROF
CB #1 TYPE
STA 0+37
N 185222.80
E 1312690.58
SEE RENTON STD
DETAIL 201.00
CELL 2
BERM W/3:1 SIDE SLOPES
TOP OF BERM EL 404.76
SEE NOTE 2 - - - -
v
0+00 0+50
ECTION
_LZ`i = w H _
1"=5'V
BHC Consultants, LLC
1601 Fifth Avenue, Suite 500
Seattle, Washington 98101
206.505.3400
www.bhccon (fax)
www.bhcconsultants.com
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1.0
46352
'VS/GIST
NAL
E(26�2a
BOTTOM OF EXISTING
POND/ TOP OF WATER
QUALITY TREATMENT
VOLUME,
EL 405.76 (APPROX)
BOTTOM OF POND
WATER QUALITY
TREATMENT VOLUME,
EL 398.0
1+00
O'V w
420
415
410
405
400
395
ROAD
AIL 4/C-4
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FLOW CONTROL STRUCTURE, a, Y `� z W z
''1� I I I I I �� -.j 11 I I
SEE NOTE 4 '� C
STA 2+11 (APPROX)
420
415
4`1
Co
Z405
w
a�
0 400
W
395
390
385
TOP OF DETENTION
VOLUME,
EL 411.5
17 -
1
3:1 SLOPE, �-
TYP
CELL 2
BOTTOM OF POND
WATER QUALITY
TREATMENT VOLUME,
EL 398.0
TOP OF BERM EL 40446 -
4-04.50
EL 400
0 20 40
Scale in Feet
CONTOUR INTERVAL IS 1 FOOT.
NOTES
1. POND AND BERM SIDE SLOPES SHALL BE 3:1 MAXIMUM.
2. BERM SHALJ_ BE CONSTRUCTED OF EXISTING NATIVE MATER�---- ' U; 1 ]-q PLACE.
3. EXISTING POND SLOPES REMAIN INTACT AND SHALL NOT BE MODIFG-Iri .,
4. CONTRACTOR SHALL PROTECT EXISTING FLOW CONTROL STRUCTURE,
INCLUDING ALL INTERNAL PIPING AND APPURTENANCES.
WATER QUALITY VOLUME
L_'_ ` 14531 16890 CF
2 214.19 26:788 CF
BOTTOM OF EXISTING POND/ TOP OF
WATER QUALITY TREATMENT VOLUME,
EL 405.76 (APPROX)
EL 399
1' SEDIMENT
STORAGE
INSTALL QUARRY
SPALLS 18" DEEP IN
BOTTOM 2' OF CELL 1
CELL 1
D 364505
0+50 1 +00 1 +50 2+00 2+50
SECTION B
SCALE: 1" = 20' H _
AS —BUILT ill =5'V
420
415
410
405
400
RECOMMENDED
FOR APPROVAL A
BY
BY --
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r - CH2M HILL (1997)
AS SHOWN mmzwrAiwb ilmiaal ;► CITY OF N.E. 10TH STREET AND ANACORTES AVLE I �.
P. MINNINCHAM '— DETENTION POND RETROFIT
DPAW
SIMON — F ! N TO N PROJECT
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5- I INFO F W TE D CITY a�a�
DATUM A Q U t.T O A D N O s h OE D $Y Y o F RtT1T q G Q 2112 14 AT FUl scuF
J. KRESHEL ,,� o Planning/Building/Public Works Dept. GRADING
NO. REVISION BY DATE APPR A. QUYNN SCAZ
NO. �� ] AND S; CTIONS
W1TE:
JUNE 2013
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