2017-03-20_PERMIT FILE - C1981019A ‎(47)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 3/20/2017
• Doc Name: Sediment Control System for the Initial Facilities Disturbance Area
• Section_Exhibit Name: Volume 18 Exhibit 7 Item 23 Part J
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Structure #35 (Vegetated Channel
Draw below Sec 36 Pond
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom Retardance
Freeboard Freeboard Freeboard
Limiting
Width (ft) Sideslope Sideslope Slope (%) Ratio Ratio Classes
Depth (ft) % of Depth Mult. x
Velocity
(fps)
Depth:
(VXD)
0.54 ft
12.00 3.0:1 3.0:1 8.5 D, B
13.75 ft
6.0
Vegetated Channel Results:
Structure #34 (Pond
Middle Pond
Pond Inputs:
Initial Pool Elev:
Stability Stability
Class D w/o Class D w/
Freeboard Freeboard
Capacity Capacity
Class B w/o Class B w/
Freeboard Freeboard
Design Discharge:
10.90 cfs
10.90 cfs
Depth:
0.29 ft
0.54 ft
Top Width:
13.75 ft
15.27 ft
Velocity:
2.90 fps
1.47 fps
X -Section Area:
3.76 sq ft
7.43 sq ft
Hydraulic Radius:
0.272 ft
0.481 ft
Froude Number:
0.98
0.37
Roughness Coefficient:
0.0627
0.1817
Structure #34 (Pond
Middle Pond
Pond Inputs:
Initial Pool Elev:
7,057.00 ft
Initial Pool:
0.74 ac -ft
*Sediment Storage:
0.00 ac -ft
Dead Space:
0.00%
*No sediment capacity defined
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
7,066.00 43.00 2.50:1 2.50:1 20.00
Perforated Riser
17
Filename. Eastside Initial Disturb 1024 022317.sc4 Printed 02-24-2017
Exh. 7-23J-22 Revision Date: 02/26/2017
Revision No.: TR -108