Marathon – Garyville Major Expansion Project

The Garyville Major Expansion project was one of the first Mega Projects in the US in recent years, starting construction in 2008.

This expansion of the existing Marathon Refinery utilized the latest design and materials to expand the refining capacity to handle many different grades of crude oil and made it one of the largest refineries in the country. Performance Contractors was the first contractor selected, and our scope of work included the Crude Unit, Coker Unit, Sats Gas Unit, Ground Flare System, multiple furnaces, OSLB racks, and all existing plant tie ins. Our manpower peaked just over 3,000 craft workers as we completed 13,900 tons of steel erection, installed 470 pieces of process equipment, and shop fabricated and erected 874,000 feet of process pipe.

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