A. The scope of work for the project will include the following, as illustrated, and described within the Contract Documents issued by Aestimo, Inc. and as outlined in the Bid Form: 1. Base Bid 1: a. Remove and properly dispose of existing surfacing (gravel), roof membrane and flashings, insulation board, etc. to prepare for the installation of a new roof membrane system. b. If necessary to perform roof replacement, remove and properly store the metal risewall panels. Re-install metal panels after completion of roofing operations. c. Repair/replace any damaged/deteriorated lightweight insulating concrete deck. d. Raise existing exhaust fan curbs to allow for a minimum of 8 inches in base flashing height at each location. e. Extend existing plumbing vents to allow for a minimum of 8 inches in flashing height at each location. f. Install ¼”/ft. tapered polyisocyanurate insulation board, mechanically fasten through the lightweight insulating concrete to existing steel deck. g. Install ½” flat-stock recovery board (4’x4’ boards) over tapered polyisocyanurate insulation board, set in low-rise foam urethane adhesive. h. Install SBS modified bitumen base sheet membrane, torch applied. i. Install a fire-rated, granule-surfaced SBS modified bitumen cool roof cap sheet membrane, torch applied. j. Install fire-rated, granule-surfaced SBS modified bitumen base membrane, torch applied. k. Install new 16 oz. copper edge flashing on Roof Area A. Existing two-piece copper fascia flashing to remain in place. l. Install new 16 oz. copper edge flashing on Roof Area B. Existing copper gutters and downspouts to remain in place. m. Install new copper expansion joint flashing and expansion joint cover at the south perimeter of Roof Area B. n. Install new counter-flashings, penetration flashings, and other sheet metal components. o. Remove corrosion from, properly prepare and apply new paint to all roof-top appurtenances and conduits.
