PERMFILE105841

• Permit No: C1981048
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT V-3
• Media Type: D
• Archive: No

• CULVF.E~' DESI(39
Culvert No: C-2
Description: Small catch drainage in Pit 1
Peak Discharge: 10 (1.12)(1.03) = 11.54
Design:
5= 10 percent
n= .017 roughness coefficient
D2 F= x D
Ar 4
Ede .25 D
~(1.49/n) (A) (RH) 2/3 g .5
~(1.45/n) (.25) (3.14) D~ (.25D) 2/3 5 .5
X0.47 D 2.6750.5
• n
2.6 4 n
D = 0.4750.5
2.67 11.54 (.017)
D =
.47 (,1).5
D = 1.32
D = 1.1 feet =
Use 18" Culvert
n
u