This document is the French Drain Detail (AdvenEdge). A diagram of the French drain with notes provided.

The detail shows the playing surface, sod laid over coarse sand layer, 4” coarse sand layer, washed pea gravel and AdvenEdge pipe.

Notes state that trench must be no less than 4” wide. Minimum cover shall be no less than 4”. Minimum slope to vary as required to provide positive drainage.