St Charles County Civicplus #26-080

Intersection and Path Improvements at Route N and Hopewell-Duello (St. Charles County, MO)

St. Charles County Government and the Missouri Department of Transportation (MoDOT) are seeking bids for a major intersection and path improvement project at Route N and Hopewell-Duello. - Government Buyer: - St. Charles County Government, Transportation Planning, Finance Department - Missouri Department of Transportation (MoDOT), St. Charles County - Project Scope: - Intersection and path improvements including road widening, new traffic signals, intersection lighting, and ADA-compliant pedestrian facilities - Construction of sidewalks (4 in. and 7 in. thick), curb ramps, truncated domes, and retaining walls - Installation of bituminous and concrete pavement, aggregate base, and median strips - Drainage improvements with pipes, flared end sections, and rock ditch liners/blankets - Traffic control measures, signage, and pavement markings - Installation of fiber optic cable, power supply and controllers, LED luminaires, and signal equipment - Products/Services Requested: - Over 60 distinct construction and electrical line items, including: - Bituminous Pavement Mixture PG70-22 (BP-1): 126.3 tons (combined) - Type 5 Aggregate for Base (4 in. thick): 1,128.3 tons (combined) - Concrete Sidewalk, 4 in.: 497.6 SY; 7 in.: 46.5 SY - Truncated Domes (ADA): 203 SF - Traffic signal heads (Type 3S, 3B, 4B), controller assemblies (NEMA TS2, ATC), LED-A luminaires, and pedestrian pushbuttons - Fiber Optic Cable, 24 Strand, Single Mode: 80 LF - Guardrail: 94 LF; Fire Hydrant: 2 units - Silt Fence: 894 LF; Sediment Removal: 14 CY - Multiple types of conduit, cable, and pull boxes - Unique/Notable Requirements: - Strict compliance with MoDOT and ADA standards - Buy America provisions and federal/state wage rates - Coordination with numerous utility providers - 90-day price guarantee on bids - Liquidated damages for late completion - DBE participation goal set at 0% - No specific OEMs or proprietary part numbers are named; most materials are standard DOT-specified construction and electrical items.

Description

This project involves improvements at the intersection of Rt. N and Hopewell in the Duello area, under the jurisdiction of St Charles County. The solicitation is for formal bids to perform intersection and path improvements. Bidders must guarantee quoted prices for 90 days and submit bids by September 8, 2026, at 2:00 PM. The project includes construction, traffic control, erosion control, and compliance with ADA standards. The work will be publicly opened and read aloud at the St. Charles County Administrative Building.

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