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United States, Rhode Island - us/37

Combined Sewer Overflow

Bidding alert for construction of Woonasquatucket CSO Interceptor that will connect to existing 5 km-long storage tunnel. Works include approximately 5.25 km of 1.27 m to 1.9 m-diameter near surface sewers in soil and rock; several connection and control structures; a 70 m-deep, 8.6 m-diameter work shaft; and a 70 m-deep, 573 m-long, 2.55 m-diameter tunnel in rock. Bidding scheduled for September, 2010. For project history since 1999, visit tunnelbuilder archive us/37. For background, visit www.narrabay.com/AboutUs/Facilities/MajorInitiatives/CSO.aspx. 37/10.



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