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314-772-7600
1920 S. Kingshighway Blvd.
St. Louis, MO 63110

Ameren-Central Substation

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McGrath performed civil site work including excavation/backfill, foundations, concrete retaining walls, fencing and security on the three-and-a-half acre Ameren St. Louis Central Substation project in downtown St. Louis.

The project included installation of 338 concrete pier foundations for the substation, some of them 8’ in diameter and 60’ deep. General contractor services totaled $3.7 million.

McGrath managed a strict, sequenced schedule and coordinated the work of multiple trades. The tight and congested work site required careful staging of three work crews, materials, and equipment including cranes, concrete pumps and three drilling rigs.

Work Performed
Civil/Site Contractor

Testimonial

“We completed this project safely, on time and under budget thanks to our partnership with our contractors, including McGrath & Associates, the key civil/site contractor.”
— Ameren Missouri Project Manager Joe DeGreeff