SGS was originally hired by Potomac Crossing Consultants in 2004 during the replacement project. Initially, SGS completed epoxy injections into cracks in the precast structures being manufactured on-site. Later in the project, SGS injected voids around the anchor...
SGS filled all underground utility tunnels to the ceiling with approximately 2,500 cubic yards of grout due to aging and asbestos contamination in the tunnels.
SGS installed a waterproofing membrane to keep the reflection pool from leaking and added a decorative vinyl chip flooring system with moisture mitigation.
