PERMFILE137988

• Permit No: C1981014
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: pages 168 to 206a
• Section_Exhibit Name: EXHIBIT 19 LOADOUT AREA PONDS AND DRAINAGE STRUCTURES
• Media Type: D
• Archive: No

Ditch Design
• Length (L): 440 feet
Bottom Width (B): 2 feet
Sideslopes (Z): 2H:1V
Depth (D): 1.50 feet
Volume (V):
V = (BD + ZDZ)L
= 1/2 [2 ft + 2 ft + 2(2)(1.5 ft))1.50 ft
= 3,300 ft3
= 0.08 acre-feet (allows extra volume for freeboard)
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«,~s~ ~ 176R Revised - April 1993