Industry: Oil & Gas

Location: Gulf Coast

Results: Infrastructure and Sustainable Environment

In-Situ Solidification and Stabilization (ISS) Solution for New Construction

ENTACT performed soil remediation and ground improvement to address low-pH soils because of a sulfuric acid spill at the refinery. The ground needed to be stabilized to support the construction of a new process unit at the site.

Subsurface soils consisted of saturated, soft, and sandy clay on top of very soft clay. ENTACT performed ISS on approximately 86,000 cubic yards from 22 to 24 feet below ground to strengthen this area. Using a combination of granulated ground blast furnace slag and Portland cement delivered by a vertical auger mixing rig, we achieved the necessary strength and permeability requirements to allow for the construction of the process unit.

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