HYDRO28970

• Permit No: M1984041
• IBM Index Class Name: Hydrology
• Doc Date: 1/23/2001
• Doc Name: CENTEX EAGLE GYPSUM CO LLC 1645A 100 YEAR 24 HOUR
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
CopydpM 1898 Perrole J. SrJeveb
Ci~.il SoMxue Deep
Peak Elevation: 16.85
H'graph Detention Time: 0.92 hrs
Pond Model: CSTRS
Dewa[er Time: 1.15 days
Trap Efficiency: 38.30 "/o
Elevation-Capacity-Discharge Table
Dewatering time is ca/culated from peak stage to lowest spillway

Elevation Area

(ac) Capadty

(ac-R) Discharge

(~) Dewater
T~~
(hrs)
0.00 0.000 0.000 0.000 Top of Sed. Storage
0.50 0.000 0.000 0.000
1.00 0.000 0.000 0.000
1.50 0.000 0.000 0.000 Low hde SPW A2
2.00 0.001 0.001 0.019 0.30
2.50 0.001 0.001 0.026 0.30
3.00 0.002 0.002 0.051 0.25
3.50 0.003 0.003 0.063 0.25
4.00 0.003 0.005 0.092 0.25
4.50 0.004 0.007 0.109 0.20
5.00 0.005 0.009 0.141 0.25
5.50 0.007 0.012 0.161 0.25
6.00 0.009 O.Olb 0.179 0.30
6.50 0.011 0.021 0.194 0.30
7.00 0.013 0.027 0.208 0.35
7.50 0.015 0.034 0.221 0.40
8.00 0.018 0.042 0.233 0.45
8.50 0.021 0.052 0.245 0.50
9.00 0.024 0.063 0.256 0.55
9.50 0.027 0.076 0.267 0.60
10.00 0.031 0.091 0.277 0.65
10.50 0.034 0.107 0.287 0.70
11.00 0.037 0.125 0.296 0.70
11.50 0.041 0.144 0.306 0.80
12.00 0.045 0.165 0.315 0.85
12.50 0.048 0.189 0.323 0.85
13.00 0.052 0.214 0.332 0.95
13.50 0.057 0.241 0.340 1.00
14.00 0.061 0.270 0.348 1.00
14.50 0.065 0.302 0.356 1.10
Spillway # 1
15.00 0.070 0.336 0.363 1.20
Spillway #2
15.50 0.076 0.372 3.315 7.85
10
Filename: 1645A P4-t00R-24.srA Printed 07-19-2001