A commonly used foundation drainage system consists of
A)a perforated drain pipe.
B)a perforated drain pipe wrapped with filter fabric and set within a layer of crushed stone or gravel.
C)a perforated drain pipe set within a layer of crushed stone or gravel.
D)a perforated drain pipe set within a layer of crushed stone or gravel, the layer wrapped with a filter fabric.
E)any one of the above.

Question

Quizplus · Accepted Answer

The most effective foundation drainage system includes a perforated drain pipe set within a layer of crushed stone or gravel, with the entire layer wrapped in filter fabric to prevent soil clogging.

A Commonly Used Foundation Drainage System Consists of