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Erosion and Sediment Pollution Control Program Manual.pdf

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USDA Forest Service<br />

STANDARD CONSTRUCTION DETAIL # 3-7<br />

Broad-based Dip for High Gradient (5% - 10%) Roadways<br />

MINIMUM DEPTH = 12”<br />

Broad-based dips shall be constructed to the dimensions shown <strong>and</strong> at the locations shown on<br />

the plan drawings.<br />

Dips shall be oriented so as to discharge to the low side of the roadway.<br />

Dips shall be inspected daily. Damaged or non-functioning dips shall be repaired by the end of<br />

the workday.<br />

Maximum spacing of broad-based dips shall be as shown in Table 3.2.<br />

363-2134-008 / March 31, 2012 / Page 25

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