2018-09-11_PERMIT FILE - C1981008A ‎(12)‎

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 9/11/2018
• Doc Name: Pond 016 As-Built
• Section_Exhibit Name: Section 2.05.3‎(3)‎-36 Attachment 2.05.3‎(3)‎-36
• Media Type: D
• Archive: Yes

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1.1
Structure #5 (Riprap Channel
Tailwater Ditch 10+30 to 14+90
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Stability Stability
Class D w/o Class D w/
Freeboard Freeboard
Capacity Capacity
Class B w/o Class B w/
Freeboard Freeboard
Velocity:
0.45 fps
0.11 fps
X -Section Area:
0.42 sq ft
1.70 sq ft
Hydraulic Radius:
0.149 ft
0.312 ft
Froude Number:
0.21
0.04
Roughness Coefficient:
0.1329
0.8803
Structure #5 (Riprap Channel
Tailwater Ditch 10+30 to 14+90
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Width (ft)
2.86 cfs
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
1.00 3.0:1 3.0:1 8.2
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #4 (Vegetated Channel
Tailwater Ditch 0+00 to 10+30
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Filename: NH2 Pond 016 As -Built 10-24 7.9.18.sc4 Printed 07-10-2018
Attachment 2.05.3(3)-36 Page 14 July 2018 (TR -84)
w/o Freeboard w/ Freeboard
Design Discharge:
2.86 cfs
Depth:
0.34 ft 0.64 ft
Top Width:
3.04 ft 4.84 ft
Velocity:
4.17 fps
X -Section Area:
0.69 sq ft
Hydraulic Radius:
0.218 ft
Froude Number:
1.55
Manning's n:
0.0370
Dmin:
1.00 in
D50:
1.50 in
Dmax:
3.00 in
Structure #4 (Vegetated Channel
Tailwater Ditch 0+00 to 10+30
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Filename: NH2 Pond 016 As -Built 10-24 7.9.18.sc4 Printed 07-10-2018
Attachment 2.05.3(3)-36 Page 14 July 2018 (TR -84)