Specifications include, but are not limited to: supply of all labor, materials, equipment and supervision to remove and replace the built up roof (BUR) systems, per manufacturer’s specifications/instructions, on Building 16 and Building 17 at the Dos Rios Sewer Treatment Plant at 3495 Valley Rd, San Antonio, Texas, 78221, including new wall caps on existing walls that do not currently have them, to provide sheet metal cover for exiting HVAC units and fans that may be eliminated during project, and coordinate installing the roofing systems so all components of the roofing systems are not subjected to precipitation or left uncovered at the end of the workday or when rain is imminent for the Dos Rios Building 16 & 17 Roof Replacement Project, SAWS Job No. 17-0119. The roofing components and assemblies shall be from a single manufacturer.