Western Transmission Main Phase 4C

Public Water Supply District No. 2 of St. Charles County, Missouri is soliciting sealed bids for the Western Transmission Main Phase 4C project, with bids due November 19, 2026 at 10:00 a.m. CST at the Owner's office at 100 Water Drive, O'Fallon, Missouri. The scope is construction of approximately 12,180 linear feet of 30-inch ductile iron water main, including approximately 160 linear feet of 48-inch steel casing installed by jack-and-bore beneath Highway T and Highway OO. No set-aside or preference program is named.

Contractors must comply with prevailing wage requirements set by the Missouri Department of Labor and Industrial Relations for St. Charles and Warren Counties, comply with Missouri immigration laws, and submit a Work Authorization Affidavit with the bid. Each bid requires bid security equal to 5% of the bid amount. Contractors must also provide a ten-hour OSHA construction safety program for employees working on the project.

Supporting work includes butterfly valves, gate valves, fire hydrants, air relief valves, fittings, connections to the existing water system, restoration, and all associated appurtenances and incidental work needed for complete installation. The award goes to the most responsive and responsible bidder submitting the lowest bid. The Owner reserves the right to reject any and all bids and to waive informalities not involving price, time, or changes in the work.

A pre-bid meeting was scheduled for October 20, 2026 at 10:00 a.m. at the Owner's office. Bidding documents are available from the Drexel Technologies Plan Room at www.planroom.drexeltech.com. Inquiries go to David Herberger, P.E., at dherberger@colestl.com.