2016-08-08_PERMIT FILE - C1981019A ‎(117)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 8/8/2016
• Doc Name: Collom Post Mine Channel Design
• Section_Exhibit Name: Volume 18 Exhibit 7 Item 25
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Structure Detail:
Structure #6 (Riprap Channel
Little Collom Reconstructed Reach 1
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom a Sideslo a Slope Width (ft) Sideslo p p pe ( ) Depth (ft) % of Depth Mult. x
Ratio Ratio (VxD)
12.00 3.0:1 3.0:1 5.5 2.00
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Filename: PR04 LCRC Reach1 10024 rev1.sc4 Printed 07-30-2015
Exh. 7-25-15 Revision Date: 7/31/2015
Revision No.: PR -04
w/o Freeboard w/ Freeboard
Design Discharge:
172.11 cfs
Depth:
1.07 ft 3.07 ft
Top Width:
18.40 ft 30.40 ft
Velocity*:
X -Section Area:
16.21 sq ft
Hydraulic Radius:
0.865 ft
Froude Number*:
Manning's n*:
Dmin:
4.00 in
D50:
12.00 in
Dmax:
15.00 in
Velocity and Manning's n calculations may not apply for this method.
Filename: PR04 LCRC Reach1 10024 rev1.sc4 Printed 07-30-2015
Exh. 7-25-15 Revision Date: 7/31/2015
Revision No.: PR -04