Storm Drain Gunite Repair

Frederick County, Maryland, Department of Highway Operations is soliciting bids under IFB 27-209 for the as-need provision of shotcrete materials to repair deteriorated storm drains. The contract is for an initial one-year term commencing approximately February 15, 2027, with the County holding the sole discretion to renew for four additional one-year increments. Award will be made to the lowest bidding responsive and responsible contractors who possess at least five years of active experience in laying shotcrete within storm drains. Bidders must submit their proposals electronically via the OpenGov portal by October 5, 2026, including a completed price page, contractor references, and a signed affidavit regarding price fixing and discriminatory practices. The scope of work requires the contractor to provide all necessary barricades, traffic controls, and no-parking signage, ensuring at least one lane remains open unless otherwise approved. Technical specifications mandate that gunite must conform to ACI-506.22-77 with a minimum strength of 5000 PSI, utilizing a specific mix design of sand, type one cement, and polypropylene fiber. Performance is subject to strict material storage requirements for cement, polypropylene, and aggregate to prevent moisture and contamination. The contractor is responsible for all permits, licenses, and insurance, with a performance bond required for any individual job exceeding 100,000 dollars. Payment will be processed monthly based on approved invoices submitted by the first working day of the month.