Waterproofing Services, On-Call, Term Contract

Baltimore County Government is soliciting bids for an on-call, term contract for waterproofing services at various county-owned and operated facilities within Baltimore County, Maryland. The selected contractor will provide all labor, materials, tools, equipment, and supervision to install waterproofing systems on a time and materials basis. Key technical requirements include the installation of a continuous watertight barrier and vertical wall waterproofing using a .064 inch thick combination polyethylene and rubberized asphalt sheet. All work must adhere to the Baltimore County Standard Specifications for Construction and Materials and manufacturer recommendations, with a strict prohibition on installation during wet weather or when temperatures fall below 40 degrees Fahrenheit. The contract is scheduled to become effective on May 17, 2027, for an initial one-year term, with the county reserving the right to four additional one-year renewal options. Award will be granted to the lowest responsive and responsible bidder, with evaluation factors including price, responsiveness, and past performance. Bidders must provide three references from the last 18 months and meet a 25 percent MBE/WBE participation requirement. Mandatory insurance includes general liability and workers compensation with a minimum of 1 million dollars per occurrence. Bids must be submitted electronically via the OpenGov procurement portal by November 10, 2026.