Specifications include, but are not limited to: a. Where indicated, remove existing built up roof down to the structural deck and dispose per local requirements. b. Remove and replace all existing metal flashing, including but not limited to roof edge flashing, copings, base flashing, counterflashing, roof-penetration flashing, and parapet scuppers unless noted otherwise. c. Remove all wood and PVC blocks supporting ductwork and piping/conduit. All ductwork and piping/conduit on roof shall be supported using factory fabricated assemblies of solid base polycarbonate, high density polypropylene plastic, recycled tire rubber, galvanized, or stainless steel. d. Remove existing pitch pockets; provide liquid flashing at all pipe/conduit penetrations unless noted otherwise. e. Where indicated, provide and install roof insulation, mechanically attached to structural deck per specifications, and cover board, adhered to roof insulation. f. Where indicated, provide and install cover board, adhered to properly prepared substrates.