Experienced Geotechnical Contractors helitechccd.com 1-800-246-9721 EARTH SHORING GROUND IMPROVEMENT DEEP FOUNDATIONS VIBRATORY STONE COLUMNS MICROPILES GROUTING PROJECT CASE STUDY Sector: Hospital Description During the renovation of the emergency room entrance to the hospital it was discovered there were 3-4” voids around the piping that extended through the slab-on-grade to the sub-grade. After the General Contractor and Geotechnical Engineering company removed some sections of the slab-on-grade for further investigation, they found 4-5” voids between the bottom of the slab and sub- grade. It was determined water had entered this area and washed away some of the sub-grade and left the remaining un-compacted and loose. Requirements & Challenges Due to time line co

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