PERMFILE63423

• Permit No: C1981071
• IBM Index Class Name: Permit File
• Doc Name: SEDIMENTATION POND A HYDROLOGY AND HYDRAULICS
• Section_Exhibit Name: EXHIBIT 13 PLATE 3
• Media Type: M
• Archive: No

:>v
30
U
x 20
a
x
U
N
rel
0
6925 6930 6935 6940
ELEVATION (ft)
PM P ASSUMPTION A
THUNDERSTORM
Volume = 824 of
2 3 4 5 6
TIME (hrs.)
RISER PIPE RATING CURVE I
7 8 9 1
800
700
600
500
N
w
W
a
400
x
U
N
O
300
200
100
0
10 12 14 16 18 20 22 24 26 28
TIME (hrs.)
3500
3000
2500
N
AREA-CAPACITY CURVES
300
U
W
2000
/
x
50
a
W
1000
x
U
N
I
a
0
1500
1000
500
IU
0
0 1
:>v
30
U
x 20
a
x
U
N
rel
0
6925 6930 6935 6940
ELEVATION (ft)
PM P ASSUMPTION A
THUNDERSTORM
Volume = 824 of
2 3 4 5 6
TIME (hrs.)
RISER PIPE RATING CURVE I
7 8 9 1
800
700
600
500
N
w
W
a
400
x
U
N
O
300
200
100
0
10 12 14 16 18 20 22 24 26 28
TIME (hrs.)
400 Peak, 382 cfs
10-YEAR 24 HOUR
360 PRECIPITATION FLOOD
Volume = 192 of
Theoretical Detention Time = 40.3 hours
320
280
240
0
Inflow
W
0
a 200
U
m
0
160
120
80
Peak, 36.5 cfs
40
Outflow _
0
12 14 16 18 20 22 24 26 28 30
TIME (hrs.)
400
PRIMARY AND EMERGENCY
SPILLWAY RATING CURVE
AREA-CAPACITY CURVES
300
/
50
I
W
1000
cv
I
a
200
IU
/
�
/
800
I0
m
I
Top of Dam ±
I
100
I
u
/
I
Invert of
Emergency
I
I
Spillway
I
0
I
I
6938
6940
6942 6944 6946 6948 6950 6952 6954 6956
/
ELEVATION (ft)
400 Peak, 382 cfs
10-YEAR 24 HOUR
360 PRECIPITATION FLOOD
Volume = 192 of
Theoretical Detention Time = 40.3 hours
320
280
240
0
Inflow
W
0
a 200
U
m
0
160
120
80
Peak, 36.5 cfs
40
Outflow _
0
12 14 16 18 20 22 24 26 28 30
TIME (hrs.)
SUMMARY OF BASIN
AND HYDROLOGIC PARAMETERS
Drainage Basin Area 5.1 mi.
Basin Length 4.3 mi.
Channel Slope 6%
AMC- III Curve No. 86
Rainfall
PMP - Assumption A 4.1° in Ihr.
Thunderstorm
100 -Yr. 2.711 in I hr.
10 -Yr. 1.8° in I hr.
60 DESIGNED
TRACED_-_
Leonard Rice Consulting Water Engineers. Inc CHECKED-
Denver
Joe No 307 /EFC /01 I SHEET 1111111111111111111111111111111111111111
n.m.nn maim] 11111 VIII 11111 fill loll
005395
60
AREA-CAPACITY CURVES
/
50
1000
/
40
/
800
Surface
m
area /
u
/
0
V
a
/
x
a
30
600
~
W
/
U
a
a
LL
x
7
/
U
N
20
/
400
Capacity
/
10
200
O
6920
6930 6940 6950
6960
ELEVATION (ft)
SUMMARY OF BASIN
AND HYDROLOGIC PARAMETERS
Drainage Basin Area 5.1 mi.
Basin Length 4.3 mi.
Channel Slope 6%
AMC- III Curve No. 86
Rainfall
PMP - Assumption A 4.1° in Ihr.
Thunderstorm
100 -Yr. 2.711 in I hr.
10 -Yr. 1.8° in I hr.
60 DESIGNED
TRACED_-_
Leonard Rice Consulting Water Engineers. Inc CHECKED-
Denver
Joe No 307 /EFC /01 I SHEET 1111111111111111111111111111111111111111
n.m.nn maim] 11111 VIII 11111 fill loll
005395