Earth Retention Systems

Metra Flyover Bridge

Metra Flyover Bridge

Scope

Michels Construction, Inc. completed a deep foundations package for a rail bridge to carry the Rock Island Metra tracks over tracks used by Amtrak and freight trains, eliminating at grade crossings. Michels installed 220 rock-socketed drilled shafts with full-length permanent casing. The shaft diameter ranged from 3 to 5 feet with an average depth of 60 to 65 feet below grade and 1- to 3-foot rock sockets. For the second phase, Michels installed 70 rock socketed drilled shafts with full length permanent casing. Michels installed a variety of earth retention depending on site logistics and soil conditions. Michels designed the systems from 10- to 30-foot cuts with live railroad loading to traffic loading. Michels installed 1,100 feet of permanent steel sheeting with steel sheet pile lengths up to 50 feet long to support the new rail tracks on existing grade and 150 permanent grout anchors/tiebacks.

  • Michels Corporation completed a deep foundations package for a rail bridge to carry the Rock Island Metra tracks over tracks used by Amtrak and freight trains, eliminating at grade crossings.

Projects

Michels designed and installed an Earth Retention System (ERS) for a new pedestrian tunnel that was bored under three live Metra and Union Pacific rail lines.

Earth Retention Systems

Metra Lombard Station

Illinois

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Metra Lombard Station

Michels performed inbound and outbound structure construction.

Earth Retention Systems

Lake Shore Drive

Illinois

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Lake Shore Drive

Michels installed various forms of earth retention systems using steel sheet pile, secant shafts and drilled shafts. The customer required deep foundations in an area with a high water table. The earth retention systems Michels installed allowed crews to pour the foundations in a dry working area.

Earth Retention Systems

Matalco

Wisconsin

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Matalco

Michels was selected as the foundation contractor to design and build the earth retention system for a 20-foot wide fish passage structure for the Cle Elum Dam.

Earth Retention Systems

Cle Elum Dam

Washington

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Cle Elum Dam

Michels designed and installed a 500-linear-foot sheet pile wall with three levels of tieback anchors for a permanent earth retention system.

Earth Retention Systems

Children's Hospital Parking Lot

Minnesota

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Children's Hospital Parking Lot

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