SW6081003_APPROVED PLANS_20081020

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW �lJgl�3
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
L7�1/o
YYYYMMDD
B

't
c
1 I
I
I
I
I
I
( r
I ,
I
I I
le
I I
I I
I ,
I I
I
N
J
--- \ \ --- BASINP✓� ----'
�BkRETENTION) 1 i
AVO
\
_WATER OUALWKSWALE2 --- op,\ `\ `\ I I
VICINITY MAP
_ _ I NTS
��-------r- , -, A
IRCL
ESPER CE
At
'DEED �
\
>�
Av
—-- — ii r ------
(--�'----- Q L--------�
_
SITE
2fi,2006 REVISED JAN 5, 2008
GRAPHIC SCALE V= 100'
i
0 100 1 of 4
c
4
v
a

\\ �\—` ---� \ice
\ / \ 8" GRAVEL 8 FIRMS STRIP
FLOW CAPPED CLEANOUT PORT
\ \ TOP OF BASIN 111.11 TOP
— — — — \ — UNDER DRAMI CLEAN OUT 1.00,
0 BYPASS 416.50 By[
3:1 SIDE SLOPES .75' 415.75
VEG/iTIVE BYPASS WEIR \ � ' \ \ \ \ \ � - CENTIPEDE SOD
/ / \ --�CTE: SEE DETAIL THIS SHEET FOR \ \ \
ELEVATIONS
I
GRAPHIC SCALE 1"= 50'
0 50
4" PERF PVC DRAINPIPE
%nBng Soil Specifications
saruEew
� #57 STONE - INV 41275
BIO-RETENTION BASIN CROSS SECTION
NTS
sand BS-88 percent
day less than 5 percent
compost 3.5%
Phosphorus Index 10 min- 30 max
2V
INV
NON -WOVEN FILTER
FABRIC OVER STONE FILTER LAYER
37 g
3.1
LINE SPILLWAY WI I 12
NAG SC250
SPILLWAY SECTION
NITS
lH Ida
��FSSr
'S89S
. oh,f�✓CINF.��,��Ee,'
�p8n5er 26, 2008
REAK0 JAN 5, 2008
2of4

STORMW4TERINlf7
NOIYz/SEEAILTHI,S'SHEETFO)R'/ /
\ \ I CLASS I�RIPRAP APROrI, \ \ LEVATIQ S
\ \ \ \ 5'k9'x18' \ \ 1 / / / Ap E ` vEG TE ATIVE
\\ \\ \\ \ //
EMERGENCY
\ \ \ \
SPILLW d_5 ill
o \
\ \ FQ�EB3N
-425---�/
GRAPHIC SCALE 1"= 50'
re
WATER LEVEL AT I'OF RUNOFF
4213
41
g
NORMAL POOL
421.00
TOP OF BERM
`
4 m
V G
ggg
8ED6MEM STORAGE
•�
d
d
416.5o
•y
P
U Ly
_o
RIP RAP APRON
DEWATERING 42422.
OPoFlCE
G
Y
? m
3
42210
4
?
v
24' HDPE
O
Q 51
r ='
6ERM
FOREBAYINVOUT07.e0
�Mmr/A0EEPCOI:PA
t O
O 0
d
44. W..
'
LL
SECTION THOROUGH BASIN
NTS
RISER (SEE- DETAI)
NOTE:
BASIN SHALL BE STABILIZEDWITHIN 14 DAYS AFTER COMPLETION. USE
ERNMX-128 MIXTURE AS SUPPLIED BY ERNST SEED COMPANY.
TRASH RACK h
/ I p C N
/ y TOP OF RISER ELEV 421.80 \ O tV ?
VEGSH� rF 115"PVC ORIFICE C S
I1' INV421.00 c y y0•
44'PRECAST TLAND CEMENT 7 N
CONCRETE RISER \ (TYR) P. 0
O
8'BOTTOM DRAIN 2"HDPE _
SHOWN HERE FOR CLARITY / '/�
INV ELEV 417.50
31 8
3.1
LINE SPILLWAY WI 12
NAG SC250
SPILLWAY SECTION
NTS
3" MIN. CLEAR, TYP.-/
p5 REBAR 8'$" LONG @ 8- O.C. EACH WAY
3,000 PSI CONIC. 9' X 9' X 12"THI
SPILLWAY RISER DETAILS
Vegetation for Stormwater Wetland/Pond
Aquatic Plants (areas of deep inundation)
Scientific Name Common Name
Nymphaeo odoratai fragrant water lily
\ Sagittarla lotlfolia duck potato
Scirpus validus softstem bulrush
6" MIN.
RETE M.H. BLOCKS
Spacing Notes
24" O.C. deep part of shelf, at least 6" water
24" O.C.
18" O.C.
Emergent Plants (areas of inundation to saturation)
Juncus effusus soft rush 12" O.C.
Care,, strict. upright sedge 12"O.C.
Soururus cemuus lizard's tail 10% of mix (max)
Hibiscus moscheutos rose mallow lo% of mix
Scirpus cyperinus wool gross 2% of mix
Carex lurid. shallow sedge 30% of mix
Bidens aristos. Showy tick seed 20%
Ponicum vlrgatum switch grass 10%
Carex tribulaides brlstlebract sedge 213%
Shrub
Cephalanthus occidentallsbutton bush 4' O.C. Middle of shelf
SS j
"n .l0o'
September 26, 2W8
REVISED JAN 5,2008
3of4

/ / /
FOREBAY /
\ \ \ \11 1 a
\ \ CLAS BRIP OP APRON I
/ 1 \\
/ EXSIT24"RCP
/ I�V 419.50 V
/ I 1
I
I
r=E n 1
I
Z/ VE¢¢ETATIV�\
E� RGENCI, N�
SPILLWAY
I I
GRAPHIC SCALE/ 1"150' i
/
/
0/
I
I
Vo;
I / I
I
VEG SHELF
L < NOTE: SEE DE4 THIS SHEET FOR I
\ ELEVATIONS \
W
' U
W
/ I C/3
f Wf
FOREBAY
�s� — �r
A
d / /
n
/ L / 71
3� g+
} 3.1
LINE SPILLWAY WI 12'
NAG SC250
SPILLWAY SECTION
NTS
� J
WATER LEVEL AT I'OF RUNOFF
W ` x
NORMALPOOL 425.50
4 RP 0
425.00
lu th �tR 9
TOP OF BERM
SEDIMENT STORAGE
O W a
420.50
-
i, pd Ee�
DEWATERING 426A
PoPR4P l8R0N ORIFICE 1 425.50
R N na
24'HDPE
BERM
C C m
OUT 419.5D
!
O G haw
�INV
r i PC6EBAY ,A4➢SEEP COLLAR
'
MSs B MP FY
RISER (SEE DETAIL)
SECTION THOROUGH BASIN
NOTE:
NTS
BASIN SHALL BE STABILIZED WITHIN 14 DAYS AFTER
_ COMPLETION. USE ERNMX"128 MIXTURE AS SUPPLIED
TRASH RACK BY ERNST SEED COMPANY.
�. TOP OF RISER ELEV 425.50 \
eO�
y
G
\
pN
11" PVC ORIFICE
= C U
INV 4252
W ?
= in (or
44' PRECAST PORTLAND CEMENT
CA
= C It
CONCRETE RISER \ (TYP)
\
C H
B'BOTTOMDRAIN 24'HOPE
A N y
SHOWN HERE FOR CLARITY
t\
IN1V ELEV 419.50
=
3-MIN. CLEAR, TYP.
#5 REBAR 8'E' LONG @ 8' O.C. EACH WAY EMBED OPEN RISER IN CONC. 6' MIN.
3,000 PSI CONIC. 9' X 9' X 12"THICK SET RISER AND REBAR ON SOLID CONCRETE M.H. BLOCKS
N
G
0
SPILLWAY RISER DETAILS
u
a
�o
Y
� C
Vegetation for Stormwater Wetland/Pond
v, V
Aquatic Plants (areas of deep inundation)
m C
/ Scientific Name Common Name Spacing Notes
Nymphaea odoratal fragrant water lily 24" O.C. deep part of shelf, at least 6" water
0
Sagi:taria latifolia duck potato 24" O.C.
'r
Scirpus valclu. softetem bulrush 18" O.C. ,,.' "'^......
�N C�0/
t` '
M
Emergent Plants (areas of inundation to saturation)
C
soft rush 12 O.C. 2�
Q 'N
Care= strict. upright sedge 12'O.C.//JJ����/yip
CarexJumatricta
Ip
Sausou c lizard's tail 10% of mix (max) I ISB95 c
e
d m
Hibiscus . he utos rose mallow 10% of mix
Scirpus cyperinus wool 2% of mi. q�O,SN..L.......
v
yperc grass
Care. lurid. shallow sedge 30% of na. q,'K.`U
Elders oristosa Showy tick seed 20% u
EC
Ponicum virgotum switch grass 10%
Carer ;ribuloides brlstlebract sedge 20% Seplember26 2WB
0
Shrub REVISED JAN 5. 20008
Cepholon thus occiden:alis button bush 4' O.C. Middle of shelf
y
4of4