305 ISLAND WAYScale I )) =20"
9
Draw awn Calculations:
Rctention Area
REAM,
Darcy's Low
for flow
though porous
Materials
K - Value
= 0.0422 CM/SEC
r-rTY.T114 S T U CTURES:
Ld Lt- M
Elevation
Total
Total L-Average
Hydraulic
Area of Flow
Avg
Incr
Total
<
ITS G--Nj
Head
Volume
Gradient
Filter
Flow
Time
Ti M 0
5.35
1.35
1824
1.50
0.900
29 134
0
0.00
0.00
5.10
1.10
1052
1.50
0.733
17 63
99
8.43
8.43
4.85
0.85
286
1.50
0.557
4 13
38
19.68
28.11
Total length • underdrain is 510 feet, invert of 4.0 and a total drawdown time of 28 hours.
Overflow level 5.35
5.31
Max 45%
rn Fr- ANny. n;: cnons En-n. N/A -- Discharge Pipe
X '01 nnvrur- 7172 sf 28%
4!'
Inv El 4.00
REAM,
N/A
N/A
N/A
F-4
r-rTY.T114 S T U CTURES:
Ld Lt- M
IL ZD �s,
LLJ 0
vv
�>
12'
20% 25.24'
F=�
<
ITS G--Nj
C/D
ch F,
IL
0
.N.
DATE D
MAP.:
N/A
JOB N®
5
—
�8 M E 0
SIM
N/A
H/A
30'+ 10'
N/A
37'
11 SIONS (IF APPLICAULU:
V, M I C VX. P 0 V1
PAVED VOL=LAn A!. �A' C' Q. Fr. AND % OF S=:
N/A
t 23%
N /A
12, 177 sf
7573 sf.
,
CM ; -.PAC!:
ToTA.L rcnnIZ LOT (5 SQ. FT. AND % CF SrM.
N/A
da,
2, 500 sf.
1,555 sf.
r R n1C MUT YARD (I.Q. Fr. AND OF
N/A
80%
MUL–JU-1.
- —T
MU MW tIVIT YARD:
CLUJI SPA= VIATEnF1,101tr rnCrEj1TY1•
N/A
20% 25.24'
20% 25.24'
N/A
so
5
4!'
Inv El 4.00
LL-
F-4
PL4
Ld Lt- M
IL ZD �s,
LLJ 0
�>
M Lj
F=�
<
ITS G--Nj
C/D
ch F,
IL
0
.N.
—1
of
JOB N®
9-0693
p� � _: