The new roof system proposed for the Nash County Administration Building and DSS Annex must meet all Local, State and National Building Code Requirements for the geographic location of the project. The contractor will be responsible for preparing the existing roof system for reroofing with the new specified roof system; removing the existing single-ply roof membrane, insulation and all associated roof components; examining the condition of the existing deck; and notifying the owner of any existing deck deficiencies for possible repair (not within this scope of work). Furthermore, over the existing metal deck, the contractor will be responsible for installing a new mechanically attached TPO roof membrane over new polyisocyanurate insulation per the attached specification, to include new membrane, insulation, flashings, wood blocking and roof edge metal. All roof components are to be installed per manufacturers technical specifications. As part of the work, the contractor will be responsible for wrapping walls with new TPO membrane flashing, removing and in-fill with like roof components any unused penetrations and unused curbs; location confirmed during pre-bid meeting; removing and replacing all drain sleeves; removing and replacing all gutters and downspouts; removing and replacing existing metal coping cap system; removing and replacing all roof edge metal, removing and replacing the large roof hatch; cleaning, priming, and painting all gas lines; and providing a manufacturer’s 20-year, 55 mph, NDL material and labor warranty.
