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

• CULVEErP DFSI(3~I
Culvert No: C-8
Description: Culvert under haulraad in Pit 2
Peak Discharge: 6.96 cfs
Design:
S= 10 peroent
n= .017 roughness coefficient
42 p= x D
1~ .25 D
~(1.49/n) (A) (RH) 2/3 g .5
~(1.49/n) (.25) (3.14) D2 (.25D) 2/3 5 .5
X0.47 D 2.6750.5
n
2.6 4 n
D = 0.4750.5
2.67 6.96 (.017)
D = .47 .32)
2.67
D = 0.8
D = .91 feet or 11 inches m;n;}rn an
culvert size use 12"
n
U