3892.1SCOPE
Provide Material for temporary slope pipe drains to intercept, direct, and convey surface runoff or ground water down an embankment to control erosion.
3892.2REQUIREMENTS
A General Provide temporary slope drains consisting of the following: Provide non perforated CP pipe Provide each slope drain with the same diameter pipe over the entire length of the drain. Size temporary slope drains in accordance with Table 3892.2-1.
Table 3892.2-1 Slope Drain Sizing Drainage Area, acres Pipe Diameter, inch 0–0.5 12 > 0.5–1.5 18 > 1.5–2.5 21 > 2.5–3.5 24
Place slope drain in conjunction with diversion mounds or dykes. B Joints Use watertight connecting bands or joint to connect pipe sections. C Anchors Anchor the slope drain with stakes in accordance with the following characteristics and requirements:
3892.3SAMPLING AND TESTING
The Engineer will visually inspect temporary slope drains.
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