11746-015.1 Lower Meramec Tunnel


Accepting Bids

Bid Date7/8/20 2:00 pm

Company & Contacts

Metropolitan St Louis Sewer District

Lisa Treat, ltreat@stlmsd.com  

“The Work to be performed under these Contract Documents consists of:
the mining of approximately 35,849 feet of minimum 11-foot excavated diameter Lower Meramec Tunnel through rock utilizing a rock tunnel boring machine; providing 35,961 feet of an 8-foot inside diameter tunnel carrier pipe; construction of the Fenton Construction Shaft; final lining of the existing Baumgartner Construction Shaft; construction of six drop structures including near surface structures, drop shafts, vent shafts, deaeration chambers, and adits; connection to existing Baumgartner Tunnel; installation of bulkhead at Fenton Construction Shaft; demolition of existing pump stations; and near surface
sewer connections to drop structures.. The project is within the Metropolitan St. Louis Sewer District Boundaries, inside the city(ies) of unincorporated St. Louis County, Sunset Hills and Fenton in the State of Missouri. The work will be performed in various quantities at various sites. “