2020-02-28_REVISION - C1981035 ‎(2)‎

• Permit No: C1981035
• IBM Index Class Name: Revision
• Doc Date: 2/28/2020
• Doc Name: Proposed Revised Pages
• From: GCC Energy
• To: DRMS
• Type & Sequence: TR29
• Email Name: JHB
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
9
Structure Detail;
Structure #51 (R/prap Channe/�
Portals and Basin J to Drop to C-21
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope(%) Mult.x
Ratio Ratio Depth (ft) %of Depth (VxD)
1.5:1 2.0:1 7.5 0.30
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 3.11 cfs
Depth: 0.28 ft 0.58 ft
Top Width: 0.98 ft 2.03 ft
Velocity*:
X-Section Area: 0.14 sq ft
Hydraulic Radius: 0.121 ft
Froude Number*:
Manning's n*:
Dmin: 3.00 in
D50: 9.00 in
Dmax: 11.25 in
Velocity and Manning's n calculations may not apply for this method.
Structure #25
Basin E-I Flows Into Ditch 5
Structure #49(Cu/vertu
ID-5 into C-21
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope(%) Manning's n Headwater ( )ft Loss Coef.
(ft) (Ke)
40.00 2.00 0.0240 2.00 0.00 0.90
Culvert Results:
Design Discharge = 3.85 cfs
Filename: Disturbed Area Modified for King III Portals JR.sc4 Printed 02-04-2020