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Old Posted Jan 12, 2018, 8:06 PM
ClaytonA ClaytonA is offline
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Join Date: Dec 2009
Posts: 480
Re above;

If tunnel bored, keep in mind that generally stations are cut and cover and remain open air during construction. Cut and cover can speed the entire project up by allowing a contractor to hit more of the project at once (as well as generally being cheaper to construct, operate/maintain). Cut and cover, while disruptive, if communicated to property owners and businesses early (i.e. in 4 years this will happen for x years) can be negotiated into leases, property values for sale, etc. Cut and cover is politically harder, and under-rated/used as a result. TBMs keep getting better and better though.
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