AL Drainage Irrigation Practice Questions - Alabama Drainage, Irrigation And Flood Control Contractor Examination Exam

In grading for surface drainage, what is the primary purpose of establishing a positive grade away from structures?

To increase soil compaction density near foundations To direct stormwater runoff away from buildings and prevent ponding To reduce the need for underground utilities To maximize infiltration under the building footprint

Correct Answer:

To direct stormwater runoff away from buildings and prevent ponding

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