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0 LF 6"SO I
OUT IE = 3 .65)
CB TY E1
PER STD PLAN 20 .00
SOLID LID PER 20 .10
STA 51+31.61, 26.3 LT
RIM = 4 .32
IE (IN) 39.70 (6" W)
IE (OUT) = 39.70 (6 S)
CB TY E 1
PER STD PLAN 200 00
SOLID LID PER 204. 0
sn(ErSTA 51+31. I
RIM=4y
IE (IN) = 39.79IT
IE (OUT) = 39.79 (6" E
t � NOTES:
i O C
1. PARKING LOT, WALKWAYS, AND ALLEY GRADED TOWARD BIORETENTION.
2. CURB CUTS SIZED FOR 100 YEAR FLOW.
3. BIORETENTION SIZED TO MEET ENHANCED TREATMENTSTANDARD.
4. COR REQUIRES 6' SAND AND IMPERMEABLE LINER BELOW BIORETENTION FOR
BIORETENTION CONSTRUCTION IN AQUIFER PROTECTION ZONE 1.
T OPENING
NON -INFILTRATING INLET, 5. ALL CONNECTIONS MUST BE WATERTIGHT. SEE RMC 4-3-050 FOR PIPE
CDR STD 262 WITH PRE -SETTLING OUTLET COR 262 0 SPECIFICATIONS INCLUDING ACCEPTABLE JOINTS.
PER COR STD 262.30
: 808 SF (77' X 10.51) RIM = 40.40
SIX (6) IN TOTAL IE IN = 37.48 (6" N BIORETENTION ELEVATIONS:
TC = 41.65 IE OUT = 37.48 (6' W) TC = TOP OF CURB
6" PVC PERF.
BC = 41.48 = 42.15 BC = BOTTOM OF CURB
TM = 39.65 7AB
UNDERDRAIN B -41.87 TM = TOP OF BIORETENTION SOIL MEDIA
BG = 37.48 TM 39.65 BG = BOTTOM OF GRAVEL LAYER
BG .48
TC = 41.65 --- -
BC=41.15 TC-4215 9LF 6"DI
TM = 39.65 BC = 41.65
G=37.48 _- ---------------------------- TM=39.65
,❑ ❑ BG=37.48
SEE ENLARGEMENT FOR ELEV.
CB TYPE 1 t LF 6" DI PER STD PLAN 200.00 _ 3l3 3sa- 3 VAR SEE LARCH FOR PLANTINGS
26 LF 6" DI TO EX. CB TYPE 1
CB
STA 52+2128 (OUT IE=39.95) SOLID LID PER 204.10 VAR
IN IE = 365 (6" E) STA 52+26.87, 26.45 LT p
EX. CB IE - 35.77 (12" N) RIM = 41.73 ,.
i6 LF 6"DI IE OUT=40.60(6"N) _
IE IN=40.60(6"E, W)
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MPR�LLEvEMEABLE 6" PERF PVC
cT( rn - cn LINER, 40 MIL PVC UNDERDRAIN 6" SAND BELOW
CONCRETE
BIORETENTION ENLARGEMENT 8" GRAVEL
1"=10,
SEE ENLARGEMENT FOR ELEV.
VAR VAR
4
c °
IMPERMEABLE
LINER, 40 MIL PVC
SEE LARCH FOR
PLANTINGS
FLONGITUDINAL
SLOPE - 0.6
d ° °
INLET 18" BIORETENTION SOIL
COR STD 262.60 -
6" PERF PVC
UNDERDRAIN
8" GRAVEL J CONCRETE WALLS AND
BOTTOM PER STRUCTURAL
SEE COR STD 262.40
SET OPENING
0.75' ABOVE SOIL -
e 4 °
° e 0.75'
f 6" SOLID PVC
6" SAND BELOW
CONCRETE
BIORETENTION SECTION - LONGITUDINAL T
111 = 2' CC-8.12 CC-8.13
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N I I 'w`I 4218 Meridian Ave
a N ,d1a V B I 1 V Seahle, WA 98103
tony@dubinenv.Dom
Environmental (206) 898-0057
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SEE ENLARGEMENT FOR
� VAR
18" BIORETENTION SOIL
COR STD 262.60
CONCRETE WALLS AND
BOTTOM PER STRUCTURAL
BIORETENTION SECTION - NORTH
11 = 2,
SEE ENLARGEMENT FOR ELEV.
I- VAR
I VAR
SEE LARCH FOR
PLANTINGS
IMPERMEABLE 6" PERF PVC
LINER, 40 MIL PVC UNDERDRAIN
SEE CDR STD 262.40
SET OPENING 0.76 ABOVE SOIL
0.75,
6" SOLID PVC
L 6" SAND BELOW
CONCRETE
8" GRAVEL
BIORETENTION SECTION - SOUTH
11 = 2,
AS-NNONE 196*
OTED v�z°",k:'"'°'°"n", ; CITY Or
Nmro RENTON
ATME TD DATUM
�PHL Planning/Building/Public Works Dept.
N0. REVISION BY DATE APPR ''IX01°'NMY
13
18" BIORETENTION SOIL
COR STD 262.60
CONCRETE WALLS AND
BOTTOM PER STRUCTURAL
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R-411629
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IN COMPLIANCE WITH CITY OF RENTON STANDARDS
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DEVELOPMENT ENGINEERING
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CITC RENTON
1300 BRONSON WAY N
RENTON, WA 98057
BIORETENTION ENLARGEMENT
SFCTIONS
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