Access and Exploratory Shafts


Ford Parkway Shaft Project

Description: Tri-State’s ability to maintain a small footprint came into play during the installation of this 60 foot deep tunnel access shaft, where construction was limited to two closed lanes of a busy parkway in St. Paul. Date Published: 12/03/2016 Categories: Access and Exploratory Shafts Client: Engineering and Construction Innovations, Inc., for the City of St. Paul.

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