2011-06-29_PERMIT FILE - C1981019 ‎(15)‎

• Permit No: C1981019
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: Attachment 1 to Attachment 12
• Section_Exhibit Name: Exhibit 07 East Taylor Pond 010A
• Media Type: D
• Archive: No

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Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #2 ( Ve4etated Channel)
middle portion of e taylor ditch
Trapezoidal Vegetated Channel Inputs:
Material: Kentucky bluegrass
Left Right Freeboard Freeboard Freeboard Limiting
Bottom o Retardance Velocity
Width (ft) Sideslope Sideslope Slope (/o) Classes Depth (ft) % of Depth (Vx x (fps)
Ratio Ratio (xD)
20.00 3.0:1 3.0:1 1.5 D, B 1.00 7.0
Vegetated Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge:
3.50 cfs
Depth:
0.06 ft 1.06 ft
Top Width:
12.38 ft 18.38 ft
Velocity*:
X- Section Area:
0.77 sq ft
Hydraulic Radius:
0.062 ft
Froude Number *:
Top Width:
Manning's n *:
28.15 ft
Dmin:
1.00 in
D50;
3.00 in
Dmax:
3.75 in
Velocity and Manning's n calculations may not apply for this method.
Structure #2 ( Ve4etated Channel)
middle portion of e taylor ditch
Trapezoidal Vegetated Channel Inputs:
Material: Kentucky bluegrass
Left Right Freeboard Freeboard Freeboard Limiting
Bottom o Retardance Velocity
Width (ft) Sideslope Sideslope Slope (/o) Classes Depth (ft) % of Depth (Vx x (fps)
Ratio Ratio (xD)
20.00 3.0:1 3.0:1 1.5 D, B 1.00 7.0
Vegetated Channel Results:
Filename: E Taylor Sed Pond Active Mining Phase 10 24.sc4 -
Exh. 7 -ET -15
I
Printed 12 -12 -2010
Revision Date: 12/31/10
Revision No.: TR -81
Stability
Class D w/o
Freeboard
Stability
Class D w/
Freeboard
Capacity
Class B w/o
Freeboard
Capacity
Class B w/
Freeboard
Design Discharge:
8.61 cfs
8.61 cfs
Depth:
0.36 ft
1.36 ft
0.74 ft
1.74 ft
Top Width:
22.15 ft
28.15 ft
24.42 ft
30.42 ft
Velocity:
1.14 fps
0.53 fps
X- Section Area:
7.57 sq ft
16.34 sq ft
Hydraulic Radius:
0.340 ft
0.663 ft
Froude Number:
0.34
0.11
Roughness Coefficient:
0.0780
0.2631
Filename: E Taylor Sed Pond Active Mining Phase 10 24.sc4 -
Exh. 7 -ET -15
I
Printed 12 -12 -2010
Revision Date: 12/31/10
Revision No.: TR -81