PERMFILE114606

• Permit No: C1981041A
• IBM Index Class Name: Permit File
• Doc Date: 5/13/2002
• Doc Name: Final Reclamation Drainage Design
• Section_Exhibit Name: Tab 14 Appendix 14-6
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Civil Solnvare Design
Structure Detai/:
Pond Inputs:
Initial Pool Elev: 4,784.00
Initial Pool: 0.04 ac-ft
'sediment Storage: 0.31 ac-ft
Dead Space: 20.00
*Sediment capacity based on Average Annual R of Z0.0 for Z year(s)
Straight Pike
Barret Barrel Entrance Tailwater
Barrel Manning's Spillway
Diameter Length Loss Depth
Slope (%) n Elev
(in) (R) Coefficient (ft)
6.00 80.00 2.00 0.0140 4,784.00 0.90 0.00
Emergency Spillway
6
f11 II,
\J
Spillway Elev Crest Length LeR Right Bottom •
(R) sideslope Sideslope Width (ft)
4, 788.00 10.00 1.50:1 1.50:1 4.00
Pond Results:
Peak Elevation: 4,785.82
H'graph Detention Tme: 4.37 hrs
Pond Model: CSTRs
Dewater Time: 1.01 days
Trap Effciency: 77.04
Dewatering time is ca/cu/aced from peak stage to lowest spit/way
Elevation-Capaci -Discharge Table

Elevation Area

(ac) Capacity

(ac-ft) Discharge

(cfs) Dewater
Tme
(hrs)
4,783.80 0.165 0.000 0.000 Top of Sed. Storage
4,784.00 0.188 0.038 0.000 spillway :1
4,784.50 0.196 0.134 0.375 13.40
4,785.00 0.205 0.234 0.651 4.15
4,785.50 0.214 0.339 0.748 3.25
4,785.82 0.220 0.409 0.810 3.50 Peak Stage
Filename: PCC-RNSedPontl sc4
Printed 11-28-2000

14-6 -60 11/00