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

Ameren-Central Substation

October 1, 2015

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 [...]

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Ameren-Dorsett Training Building

December 9, 2014

McGrath served as the Construction Manager and General Contractor for the construction of the $900,000, 3,990-square-foot expansion to the existing Training Building at Ameren’s Dorsett Road campus.  This facility provides classroom and workshop space for Ameren’s electrician's to receive additional training. The project consisted of a McGrath furnished Butler Brand Pre-Engineered Metal Building for the shell.  It included new personnel shower and restrooms, a first floor and second floor classroom, two emergency egress exterior stair [...]

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Ameren-Fenton Substation

The first phase consisted of a settlement control system installation due to the flood plain, approximately 12’ high stamped retaining walls on two sides due to the narrow site, and then backfilling of the substation yard area to allow for the piers to be drilled without interfering with the sand drain system.  The sand drain system required a 30 day settlement period prior to any further work taking place. The second phase consisted of site [...]

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Ameren-MLK Switching Station

October 1, 2015

McGrath completed two phases of construction on Ameren Missouri’s $8.5 million switching station on Martin Luther King (MLK) Drive in downtown St. Louis.  The combined site work performed by McGrath was $1.4 million. The 13.8kV Ameren MLK project, estimated at $42.5 million, is part of a larger Ameren Missouri investment to upgrade electric service in downtown St. Louis over the coming decades. The 10-week Phase 1 work was performed during one of the coldest and [...]

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Amtrak-Mobility First

March 11, 2015

This project was part of Amtrak’s Nationwide Mobility First ADA upgrades project.  McGrath installed new ADA walkways and ramps at two existing Amtrak stops, La Plata, MO and Poplar Bluff, MO.  At all three sites, McGrath installed owner furnished wheel chair lift enclosures.  The existing stops were on both Union Pacific and Burlington Northern rail lines.  McGrath had to facilitate all workers receiving e-rail safe training and Amtrak training.  Coordination of project wide OCIP and [...]

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