Tunneling

Mary Hill Bypass

Mary Hill Bypass

Scope

Michels used microtunneling to build a 485-foot-long, 6-foot diameter tunnel under the Mary Hill Bypass, a major four-lane highway, to house a 5-foot-diameter water main. This was one of the first microtunneling projects in the City of Vancouver.

Learn more about this project at https://trenchlesstechnology.com/microtunnelling-mary-hill-bypass/

Projects

Michels constructed secant compression ring launch and receiving shafts for a microtunneling project. The launch shaft was comprised of 46 intersecting 1-meter-diameter secant piles drilled to a depth of 54 feet. The receiving shaft was comprised of 38 intersecting 1-meter-diameter piles drilled to a depth of 52 feet.

Tunneling

Conduit 16 launch and receiving shafts

Colorado

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Conduit 16 launch and receiving shafts

Michels was part of an integrated joint venture responsible for executive management field supervision and engineering on the Central Puget Sound Regional Transit Authority's University Link Light Rail Extension Project.

Tunneling

University Link Light Rail U230

Washington

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University Link Light Rail U230

Michels was construction manager for a project which included construction of the 38th Street ventilation facility, trail track tunnels and cross passages, Grand Central Terminal interlocking caverns, portions of the Grand Central Terminal main station caverns, escalator shaft interfaces and access tunnels.

Tunneling

Manhattan South Structures

New York

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Manhattan South Structures

Michels was part of a joint adventure that constructed a 5-mile long, 15-foot diameter tunnel under San Francisco Bay.

Tunneling

Bay Tunnel

California

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Bay Tunnel

Michels is part of an integrated joint venture, responsible for the executive management, areas of field supervision, and heading engineer positions on the Central Puget Sound Regional Transit Authority's Northgate Link Extension Project.

Tunneling

North Gate Extension Light Rail N125

Washington

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North Gate Extension Light Rail N125

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