A lone drilling rig hammered away on a muddy, puddle-laden construction site on an unseasonably cold April morning in King of Prussia, Pennsylvania. Future residents of the five-story, 248-unit suburban Philadelphia apartment complex would someday shuttle back and forth to the various amenities in this bustling community, but no structure could rise from the ground until Compaction Grouting Services (CGS) performed its namesake service to tame the poor subsurface conditions.
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