Western Transmission Main Phase 3C Construction

Public Water Supply District No. 2 of St. Charles County is seeking sealed bids for construction of a 30-inch water transmission main, including ductile iron pipe, jack-and-bore steel casing, system connections, testing, disinfection, and restoration.

Public Water Supply District No. 2 of St. Charles County


General
Open
780
Oct 15, 2026 07:00 PM
Sep 08, 2026 10:00 AM
Invitation for/to Bid (IFB/ITB)
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Contact
rmcghay@colestl.com
+13143547364
102 Water Drive, O'Fallon, MO, USA
Description

Public Water Supply District No. 2 of St. Charles County, Missouri, is soliciting sealed bids for construction of approximately 14,741 linear feet of 30-inch Class 250 ductile iron water main, 337 linear feet of 30-inch restrained-joint ductile iron pipe, and approximately 50 linear feet of 42-inch steel casing installed using jack-and-bore methods. The work includes connection to the existing water transmission system and all associated appurtenances, including butterfly valves, fire hydrants, air-release valves, fittings, testing, disinfection, restoration, and incidental work required to provide a complete and operational system. Each bid must include bid security equal to 5% of the bid amount. The contractor must comply with Missouri prevailing-wage and immigration-law requirements, submit a Work Authorization Affidavit with the bid, and provide a 10-hour OSHA construction safety program for onsite employees. Award is intended for the lowest responsive, responsible bidder.

Classification Codes
NAICS237110Water and Sewer Line and Related Structures Construction
PSCY245Construction of Water Supply Facilities
Smart Codes
water main constructionductile iron pipe installationjack-and-bore construction
Specifications
Service Only
Timeline
Sep 08, 2026 03:00 PM-Pre-Bid Meeting (optional)
Meeting at the Owner's office.
Oct 15, 2026 07:00 PM-Bid Due Date
Requirements
Required
  • Bid Bond — 5%
Documents
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