A Commonly Used Foundation Drainage System Consists of

Multiple Choice

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.