2020-06-16_REVISION - C1981010 ‎(17)‎

• Permit No: C1981010
• IBM Index Class Name: Revision
• Doc Date: 6/16/2020
• Doc Name Note: Application Cover letter & Revised Pages
• Doc Name: Proposed Revision Materials
• From: Trapper Mining Inc
• To: DRMS
• Type & Sequence: PR10
• Email Name: RAR
• Email Name: JLE
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
r' n.Ai hf loos AR1l1 D.r 1. 1
10
Combined
Elevation Drop Inlet Emergency Total
(ft) (cfs) Spillway(cfs) Discharge
(cfs)
11.19 0.000 0.000 0.000
11.50 0.000 0.000 0.000
12.00 0.000 0.000 0.000
12.50 0.000 0.000 0.000
13.00 0.000 0.000 0.000
13.50 0.000 0.000 0.000
14.00 0.000 0.000 0.000
14.50 0.000 0.000 0.000
15.00 10.330 0.000 10.330
15.50 29.217 0.000 29.217
15.60 33.707 0.000 33.707
16.00 41.684 13.562 55.247
16.50 48.133 30.515 78.648
17.00 53.631 70.593 124.224
Structure #3 (Pond)
No-Name #5
Pond Inputs:
Initial Pool Elev: 6.00 ft
Initial Pool: 0.41 ac-ft
*Sediment Storage: 0.62 ac-ft
Dead Space: 20.00%
*Sediment capacity was entered by user
V-notch Weir
Notch Angle Spillway Elev
(deg) (ft)
126.00 6.00
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
8.00 25.00 3.00:1 3.00:1 15.00
Pond Results:
Peak Elevation: 8.20 ft
H'graph Detention Time: 0.53 hrs
Pond Model: CSTRS
Filename:No Name 25-year evenl.sc4 Printed 04-01-2020