What Constitutes Positive Drainage?

Positive drainage simply means that the soil adjacent to the perimeter grade beams is shaped so that water will for directly away from the foundation. 

Ponding water means there is no positive drainage

Note the ponding water in the photo above. There should never, ever be ponding water within 5 feet of the foundation.

Newly placed foundations

All foundations need good positive drainage starting from before setting the batterboards. 

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