2018-01-03_PERMIT FILE - C1981010A ‎(5)‎

• Permit No: C1981010A
• IBM Index Class Name: Permit File
• Doc Date: 1/3/2018
• Doc Name: Deal Gulch #2 Hydrologic Model
• Section_Exhibit Name: Appendix Q Section XXXIX
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
r'-, nhr 1QoA _,nin D-1. 1 Crh,nroh
10
Structure #7 (Pond)
"Pond Z"
Pond Inputs:
Pond Results:
Initial Pool Elev: 6,810.00 ft
Initial Pool:
1.44 ac -ft
*Sediment Storage:
4.21 ac -ft
Dead Space:
0.00%
*Sediment capacity was entered by user
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,810.00 30.00 2.00:1 2.00:1 5.00
Peak Elevation:
6,811.55 ft
Kgraph Detention Time:
1.11 hrs
Pond Model:
CSTRS
Dewater Time:
0.91 days
Trap Efficiency:
0.00%
Dewatering time is calculated from peak stage to lowest spillway
Elevation -Capacity -Discharge Table
Elevation
Area
(ac)
Capacity
(ac -ft)
Discharge
(cfs)
Dewater
Time
(hrs)
6,808.81
1.109
0.000
0.000
Top of Sed. Storage
6,809.00
1.139
0.217
0.000
6,809.50
1.218
0.806
0.000
6,810.00
1.300
1.435
0.000
Spillway #1
6,810.50
1.319
2.090
6.318
16.55
6,811.00
1.339
2.755
12.635
3.55
6,811.50
1.359
3.429
29.878
1.55
6,811.55
1.360
3.491
31.858
0.20
Peak Stage
6,812.00
1.378
4.113
51.567
6,812.50
6,813.00
1.398
1.418
4.807
5.511
81.563
120.832
6,813.50
1.439
6.226
168.795
6,814.00
1.459
6.950
225.946
6,814.50
1.479
7.684
292.755
Filename: Deacon25yr24hr 2.sc4 Printed 08-15-2017