The required services to be provided are: At the request for the facility authorized representative, Contractor will perform any maintenance, repair, replacement, installation services on any identified fire rated door, door frame, rated glass view port and associated hardware and provide parts, materials and/or supplies as requested by the maintenance department to maintain building integrity. Contractor will perform any maintenance, repair, replacement, installation on any identified sliding, swing, rolling, or mechanically controlled doors to include all associated hardware, parts, materials, and or supplies as requested by the maintenance department. Work may include working in an asbestos environment. (This is an awareness issue only; the possibility exists that some insulated materials may contain asbestos. We do not expect this contractor to be a remover of asbestos. For known or suspected asbestos material, contract shall stop work and notify the contract manager.)