Specifications include, but are not limited to: The work shall include, but not limited to removal of all existing defective or damaged roofing materials, all preparation work alay-out needed/required for installation of new roofing materials and other roofing related work required to make the building weather tight. All materials used for repairs shall be compatible with the existing roofing systems involved, ranging from, but limited to, built-up asphalt and gravel, PVC, EPDM, TPO, HYPALON, modified bitumen and metal roofing panels. Any repair the substrate and/or building interior due to water damage may be included. Asbestos/mold testing and removal may be covered All work shall be installed in strict compliance with the manufacturer’s requirements and roofing industry standards, by worker trained and certified by the applicable roofing materials manufacturer.