Specifications include, but are not limited to: In general, the work consists of, but is not limited to, removal, disposal and replacement of existing asphalt shingle roofing on 17 buildings (B254, B257, B272-278, B354, B356, B358, B450-B452, B267 and B271). Work includes necessary roof preparation and installation of new, 50 year warranty, architectural shingle roof assembly by Owens Corning and PVC roof system, or approved equal. Also included are the removal and replacement of metal flashing, roof gutters and downspout, repair of deteriorated roof decking, evaluation of the existing vent system and installation of additional roof vents, if necessary, and all miscellaneous work for a complete installation of new roof per manufacturer’s recommendations, plans and as specified herein.