2002-07-05_PERMIT FILE - C1996084A ‎(4)‎

• Permit No: C1996084A
• IBM Index Class Name: Permit File
• Doc Date: 7/5/2002
• Section_Exhibit Name: Exhibit 15-10 Fill 8 Sediment Control Pond 008
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Civil Software Design
•
Structure #14 (Pond)
PADER Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 51.16 cfs
Depth: 0.71 ft 1.01 ft
lop Wid[h: 10.28 ft 12.08 ft
Velocity: 8.81 fps
X-Section Area: 5.81 sq ft
Hydraulic Radius: 0.553
Froude Number: 2.06
Manning's n: 0.0550
Dmin: 3.00 in
D50: 6.00 in
Dmax: 9.00 in
Pond 008; E Pond and Pond SW and W Pond
Pond Inputs:
•
Initial Pool Elev: 6,748.50
Initia! Pool: 1.04 ac-ft
*Sediment Storage: 3.20 ac-ft
Dead Space: 20.00 %
*Sediment capacity was entered 6y user
Perforated Riser
Riser Riser Height Barrel Barrel Barrel Slope Number of
'
Diameter (ft) Diameter Length (ft) (%) Manning
s n Spillway Elev Holes per
(in) (in) Elev
12.00 13.00 12.00 100.00 3.00 0.0240 6,755.00 3
Emergency Spillway
Pond Results:
•
Spillway Elev Crest Length Left Righ[ Bottom
(R) Sideslope Sideslope Width (ft)
6,757.90 24.00 2.50:1 2.00:1 16.00
Peak Elevation: 6,757.75
H'graph Detention Tme: 8.55 hrs
Pond Model: CSTRS
Dewater Time: 4.53 days
Trap Efficiency: 81.75
20
Filename: RevPond008new.scA Printed 02-27-2002