The project involves exterior waterproofing of the Wade Hampton Building basement and the underground pedestrian tunnel. The current subsurface waterproofing material has deteriorated, leading to water infiltration in the basement and tunnel. The project aims to repair and replace the waterproofing material to prevent further water damage. • Exterior waterproofing of the Wade Hampton Building basement • Exterior waterproofing of the underground pedestrian tunnel • Repair and replacement of deteriorated subsurface waterproofing material • Prevention of water infiltration in the basement and tunnel