Manhole Lining

The City of Independence, Missouri, is seeking to award a contract for the installation of a monolithic multi-layer/component manhole lining system to provide infiltration and corrosion protection. The contract involves the lining of 24 manholes with a combined vertical footage of approximately 228 ft. The product requested is the Obic Armor Multilayer Liner System. The contract is expected to be awarded to Midwest Infrastructure Coatings LLC. Key aspects of the contract include: • The installation of a multi-layer protective lining system consisting of a polyurea adhesion coating, a polymer surface layer, and a final polyurea armor layer. • The removal of steps, cleaning, and possible light patching and grouting of the manholes. • The lining of the manholes from the exposed invert to and including the cover frame, just under the manhole lid. • The contract is for the provision of a specific product, the Obic Armor Multilayer Liner System. • The contract is expected to be awarded to a single vendor, Midwest Infrastructure Coatings LLC.