Rouse, thanks for your help on my project. Never before have I had a subcontractor who operated as well as you did. Professional, safety conscious, and so willing to get the job done. If you’re ever near Richmond VA call me. I have nothing but good things to say about GSI. Thanks, Henry
A variation of karst sinkhole grouting is the grouting of mined coal seams and workings located below existing infrastructure that exhibit the potential to propagate to the surface and cause sinkholes and/or subsidence.