Z2DA--623-23-121 Reroof portions of various Bldgs (53.24.1E) Construction (VA-26-00004686)

Re-Roof Portions of Various BLDGs (53, 24, 1-E) Pt 4; 623-23-121, at the VA Medical Center. reroofing construction on buildings 24, a portion of Building 1-E Wing that connects to Building 24 and Building 1-C Wing, two lower roofs on Building 53 and Building 24 stairwell. This degradation has led to unwanted water leaking into the facility. This project will require the removal and replacement of existing roof systems which shall include: re-roof with new TPO roof system; replace all perimeter and penetration flashings; remove all unnecessary penetrations; replace all roof drain hardware, rings, gutters, and downspouts; lightening protection system on building 53, 24, and 1E shall have the aggregate, roofing membrane, and insulation removed down to the roofing deck. New insulation of R-33, high-density coverboard, and TPO membrane will be installed in all locations. The concrete roof decks will receive a vapor barrier bellow the insulation, and the metal decks will have a substrate board to cover the fluted deck. Building 24 and 1E shall have multiple opening in the concrete roof patched. Multiple vent fans and exhaust fans shall be replaced. The contractor shall store all material offsite and only bring in up to 3 days worth of material on site. A crane shall NOT be allowed on bldgs. 24, 1E, and 53 due to being 24-hour operations and not being able to shut down. Approximate areas: BLDG 24 - 3340 ft2 BLDG 24 Corridor - 1350 ft2 BLDG 52 Outdoor Pavilion - 1750 ft2 BLDG 53 Above ER - 1400 ft2 Building 54 has been pulled out of the construction and is not part of the project.