Historic Retaining Wall Repair & Tuckpointing

St. Charles County Government is requesting sealed bids on historic retaining wall repair and tuckpointing services under IFB 26-097, with bids due September 3, 2026 at 11:00 a.m. and a mandatory bidders meeting on July 31, 2026 at 9:00 a.m. at the project site (100 N 3rd Street, St. Charles, Missouri). Missouri prevailing wage rates apply to this project, which exceeds $75,000.

The scope addresses approximately 333 linear feet of historic limestone retaining wall on the Historic Courthouse (Executive Building) Grounds, including repairing deteriorated mortar joints, replacing damaged or missing stone to match existing conditions, and resetting clay drain tile behind the wall cap to restore proper drainage while preserving historic appearance. The prime contractor must perform at least 40% of the work with its own organization.

The contract term is six months from execution. A 100% Performance and Payment Bond is required if the project cost exceeds $50,000. Contractors must carry Worker's Compensation coverage at statutory limits, General Liability ($1 million per person / $3 million per occurrence), and Automobile coverage ($1 million / $3 million), with St. Charles County named as additional insured. Bids must exclude city, county, state, and federal sales taxes and include all delivery costs on an F.O.B. destination basis; bid prices are guaranteed for 90 days. All contractors must comply with Missouri's E-Verify program and demonstrate compliance with the Missouri Domestic Products Procurement Act for bids exceeding $25,000. Written questions are due by 2:00 p.m. on August 14, 2026.