PERMFILE56184

• Permit No: C1981041
• IBM Index Class Name: Permit File
• Doc Date: 5/13/2002
• Doc Name: A-1 Roadway Drainage & Cross-Drainage Culvert Calculations
• Section_Exhibit Name: TAB 13 Appendix 13-1
• Media Type: D
• Archive: No

Limiting Variable: Velocity = 5.500 fps
Sediment-laden Water
Design Bottom Manning's
• Discharge Width ZLeft ZRight Slope n
(cfs) (ft) (°s)
-------------------------------------------------
-------------------------------------------------
502.62 40.0 2.0:1 2.0:1 0.2 0.030
Top Hydraulic Froude
Depth Velocity Width Radius Number
(ft) (fps) (ft)
-----------------------------------------------
-----------------------------------------------
2.77 3.99 51.1 2.406 0.45
w/ Freeboard: 3.07 52.3
Runoff Peak
Volume Discharge
(ac-ft) (cfs)
-----------------------------
-----------------------------
IN/OUT 125.74 502.62
+++tt~,t+,r*+++*,t+++*,t*+~**+t+t+*+**,t++r++*t,t,tt~,t+++++,t ,t*,t++**t,tt+t~*++~r~+*~~~++
J3, B1, S3
RSN Dip Section
Drainage Area from J3, B1, S3, SWS(s)1: 97.6 acres
Total Co ntributing Drainage Area: 7880.9 acres
• MATER
Tra
ezoidal IAL: Concrete
Nbnerodible Channel
p
Design Bottom Manning's
Discharge Width ZLeft ZRight Slope n
(cfs) (ft) (°s)
---------
503.79 ----------
25.0 ---------------------
2.0:1 4.0:1 4.0 ---------
0.015
Top Hydraulic Froude
Depth Velocity Width Radius Number
(ft) (fps) (ft)
-------
0.99 ----------
18.28 ---------------------
30.9 0.882 ---------
3.41
w/ Freeboard: 1.29 32.7
Runoff Peak
Volume Discharge
(ac-ft) (cfs)
-----------------------------
-----------------------------
IN/OUT 126.17 503.79
•***+++*++**+*+*+**++~,t++~*r*+*+++~****,t+*,t+**,t**t+tt,t,t+**t,t*r***,t ~,t+*,r#+*,r++**
J3, B1, S4
UTL Dip Section
. Drainage Area from J3, B1, S4, SWS(s)1: 0.0 acres
Total Contributing Drainage Area; 7880.9 acres
MATERIAL: Concrete
Trapezoidal Nonerodible Channel
13-1-15a (New 12/16/96)