The contractor shall provide all labor, materials, equipment, and services necessary to remove and replace the existing roofing system on the designated lower office roofs. Work includes the installation of temporary fencing for staging and material storage. The existing roof system shall be removed down to the wood deck, with deck repairs performed as needed. A new 60-mil TPA single-ply roofing system with ½” cover board, appropriate flashings, and crickets to divert water shall be installed. All wood blocks shall be replaced with adjustable rubber supports (Durablok or equivalent). TPA-coated edge metal with a 4-inch face and continuous cleats shall be installed, along with 120 linear feet of TPA walkway roll. Galvanized skirt metal shall be installed at HVAC units, and counterflashing provided at roof-to-wall junctions. Proper drainage must be ensured, including drain snaking, cleaning and painting of clamping rings and domes, replacement of broken components, and use of drain plugs during demolition.