Key Rd Drainage Replacement Project

The City of Keene is seeking proposed bids from qualified contractors for the construction of the Key Road culvert replacement project and box culvert installation. The project consists of the construction of precast concrete box culverts, headwalls, and wing walls, as well as incidental site drainage improvements and site restoration. The project includes the construction of 690 feet of a 10’ x 4’ precast concrete box culvert and a precast headwall and wing walls at the culvert inlet, and 370 feet of a 6’ x 3’ precast concrete box culvert and a precast headwall and wingwalls at the culvert outlet. • Construction of precast concrete box culverts and headwalls • Incidental site drainage improvements, including new catch basins, storm manholes, and connection of existing site drainage pipes • Site restoration, including trench pavement repair and restoration of existing landscape islands • Construction of precast headwalls and wing walls • Installation of precast concrete box culverts