Storm Drain Gunite Repair

Frederick County, Maryland, through the Department of Highway Operations, is soliciting bids for an as-need contract to provide shotcrete and gunite materials for the repair of deteriorated storm drains. The contract is for an initial one-year term starting approximately February 15, 2027, with the County holding the sole discretion to renew the agreement for up to four additional one-year increments. Award will be made to the lowest bidding responsive and responsible contractors who possess at least five years of experience in laying shotcrete materials within deteriorated storm drains. Bidders must submit their proposals electronically via the OpenGov portal by October 5, 2026. 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 by the Project Manager. Technical specifications mandate that gunite must conform to ACI-506.22-77 with a minimum strength of 5000 PSI and a specific mix design involving sand, type one cement, and polypropylene fiber. Sediment and erosion control must adhere to 1983 Maryland Standards and Specifications. The contractor is responsible for procuring all necessary licenses and insurance, and a performance bond is required for individual jobs exceeding 100,000 dollars. Payment is processed monthly, with invoices submitted by the first working day of the month for payment by the last working day.