Strata Design LLC

Sub-Slab Drainage Systems | Civil + Structural Engineer magazine Z.K. Boswell, P.E., B.P. Strohman, P.E., and A.R. Lewis, P.E. Many buildings have enclosed below-grade spaces, which can either be exposed to permanent, temporary, or perched groundwater conditions. Typically, these groundwater elevations fluctuate several feet, if not more, due to precipitatio ...