A commercial contractor was performing a full gut renovation of a dollar store in a strip center. The building was approximately 30 years ago, and there were no signs of floor slab failure or settlement.
While cutting through the floor to install utilities, a 3″ void was discovered below the floor. Exploratory coring determined that voids ranged from 0.5 to 4″ throughout approximately 11,000 square feet of the space.
CJGeo mobilized two geotechnical polyurethane grouting crews to the site and filled the voids over a period of two days. Approximately 7,000 pounds of CJGrout 20SDB were placed through approximately 500, 5/8″ holes, with cross-hole communication cutoff criteria. The work was performed without disruption to the renovation activities.
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