Specifications include, but are not limited to: complete removal of existing roof membrane and rock ballast down to existing insulation and the complete installation of a 90 mil non-reinforced EPDM roof membrane over existing polyisocyanurate insulation, salvaged rock ballast, new roof pavers, and new sheet metal flashing and trim. The Work shall include coordination with existing rooftop mechanical units, natural gas piping, and all existing penetrations. Certain areas of the roof will require the removal and salvage of 8’-0” x 8’-0” areas of existing polyisocyanurate insulation, the repair, patch, or seal of all ripped, torn, or missing vapor barrier, in kind, and the reinstallation of the salvaged insulation. Please see the drawings and proposal package for more information.