GSA Ketchikan Federal Building Roof Replacement

The General Services Administration, PBS R10, awarded a design-build contract to Silver Bow Construction, Corp. for the roof replacement of the Ketchikan Federal Building located at 648 Mission Street in Ketchikan, Alaska. The contract, identified by solicitation number GS-10-P-16-XJ-C-7006 and NAICS code 238160, was awarded in the amount of 495,700.00 dollars following the receipt of three offers. The project scope involves the replacement of seven leaking roof areas, requiring the contractor to perform field verification, preliminary and final design, and the removal of existing roofing down to the structural deck. The work includes the installation of new membranes such as TPO, EPDM, or PVC, along with new insulation, flashing, and drains, while adhering to GSA, NRCA, IBC, and historic building standards. The project is governed by a comprehensive set of technical specifications, including as-built drawings, demolition plans, and a Division 1 project manual covering quality control, safety, and environmental protection. Labor is subject to the Davis-Bacon Act, specifically following the Alaska statewide building and heavy construction wage determinations. The contract incorporates several amendments to the original solicitation, including updates to the construction wage rates and site visit schedules. Performance is managed through a design-build agreement that includes specific requirements for project management planning, submittal procedures, and the application of liquidated damages.