PERMFILE103162

• Permit No: C1982055
• IBM Index Class Name: Permit File
• Doc Date: 3/7/2003
• Section_Exhibit Name: Addendum D Drainage and Sediment Control Information
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Cmm~inF110PR P~mnlo l CrFumF
Structure Detai/;
Structure #1 (Pond1
Raton
Pond Inputs:
Initial Pool Elev: 6,342.10
Initial Pool: 0.10 ac-ft
*Sedimen[ S[orage: 0.92 ac-ft
Dead Space: 20.00
*Sediment capacity based on Average Annual R of 86.7 for 2 year(s)
Droo Inlet
Riser Height Barrel Barrel Slope
am ~
Diameter
(ft) Di
eter
Length (ft) (%) Mannin s n S illwa Elev
9
P Y
(in) (in)
4.00 2.00 4.00 100.00 2.00 0.0160 6,342.10
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslppe Sideslope Width (ft)
6,350.50 40.00 3.00:1 3.00:1 10.00
Pond Results:
Peak Elevation: 6,349.68
H'graph Detention Time: 16.31 hrs
Pond Model: CSTRS
Dewater Tme: 4.13 days
Trap Effciency: 95.14
Dewatering time is ca/cu/ated from peak stage to lowest spi//way
Elevation-Capacity-Discharge Table
Area Capacity Discharge Dewater
Elevation Time
(ac) (ac-ft) (cfs) (ham)
6,341.79 0.324 0.000 0.000 Top of Sed. Storage
6,342.00 0.330 0.067 0.000
6,342.10 0.332 0.100 0.000 Spillway #1
6,342.50 0.342 0.235 0.266 6.14*
6,343.00 0.355 0.410 0.323 6.62*
Filename: Ratonpond.sc4 Printed t0-07-2002