REBID: 12" Precast Concrete Curbing for Bicycle Lanes

The City of Cambridge Department of Transportation is soliciting bids for an on-call, as-needed contract to furnish and install 12-inch Cambridge Type 1 precast concrete curbing for bicycle lanes. The estimated project value is 622,500.00 dollars, which includes an initial one-year term and two optional one-year renewal periods. The scope of work encompasses the delivery and installation of approximately 250 curbing units, as well as the removal and resetting of existing curbing. Award decisions will be based solely on the Year One Total. Technical specifications require the concrete to have a minimum compressive strength of 5,000 psi at 28 days, a maximum water-cementitious ratio of 0.40, and an air content between 5.5% and 8.0%. Qualified bidders must demonstrate at least five years of municipal experience and provide a minimum of two government references. Submissions must be made via the e-Procurement Portal by September 24, 2026, and must include a bid deposit of at least five percent of the bid value. The successful contractor is required to provide performance and payment bonds and ensure all site employees have completed a 10-hour OSHA-approved safety course. Compliance with the Cambridge Employment Plan, prevailing wage laws under M.G.L. c.149 and G.L. c30 section 39M, and the Americans with Disabilities Act is mandatory. Contract administration will be managed through the City's Engineer, who will oversee inspections and certify itemized payment applications.