A basketball court below the garage Architect: Bickford & Company Engineer: Apex Engineers, Inc. Click Here to download PDF diagram In order to create a basketball court below the garage at a local residence, Apex designed a 21-foot foundation wall – more than twice as tall as the average foundation wall. The wall is 16 inches thick and has two steel mats, whereas most foundation walls are only 8 inches with one steel mat.                                Back to Residential Single-Family Back to Projects