2013-04-08_PERMIT FILE - C1981019A ‎(2)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 4/8/2013
• Doc Name: East Pit Recl Sequencing & Ditch Designs for Prospect Ditch, N Tribut E Pit Ditch & Final E Pit Ditc
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14R
• Media Type: D
• Archive: Yes

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Structure Detail;
Structure #19 LNull
Collection point Subwshd Q2
Structure #10 (Null
Hdwtrs Final E Pit Ditch where Subwshd U enters
Structure #11 (Riprap Channel)
Upper Reach 3 E Pit Ditch
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope ( %)
Ratio Ratio
Depth ft
p () % of Depth Mult. x (VxD)
12.00 2.0:1 2.0:1 3.6
1.00
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #12 (Null
Border sub wsheds V and P
Structure #13 (Ripr p Channel,
Lower Reach 3 E Pit Ditch to tank EP2
Trapezoidal Riprap Channel Inputs:
Filename: NTEP and Final East Pit Ditches 1024 2017 REV 1.sc4 Printed 03 -26 -2013
Exh. 7- 14R -25 Revision Date: 3/27/2013
Revision No.: TR -97
w/o Freeboard wl Freeboard
Design Discharge:
5.91 cfs
Depth:
0.11 ft 1.11 ft
Top Width:
12.42 ft 16.42 ft
Velocity*:
X- Section Area:
1.29 sq ft
Hydraulic Radius:
0.104 ft
Froude Number *:
Manning's n *:
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 #12 (Null
Border sub wsheds V and P
Structure #13 (Ripr p Channel,
Lower Reach 3 E Pit Ditch to tank EP2
Trapezoidal Riprap Channel Inputs:
Filename: NTEP and Final East Pit Ditches 1024 2017 REV 1.sc4 Printed 03 -26 -2013
Exh. 7- 14R -25 Revision Date: 3/27/2013
Revision No.: TR -97