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Subsoil drainage

To effectively divert water away from a building foundation, the invert of a footing drain (choose 2)
A. should be above the elevation of the slab
B. should slop to drain toward a storm sewer, drywell or other outfall
C. must be 2 in minimum below top of footing
D. must be 2 in minimum above top of footing
AnswerB and C are correct. The invert of the perforated foundation drain should NOT be above the elevation of the slab to be effective.

ARE 4.0 exam prep: PPP

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