1 In general, the work consists of: The removal of approximately 37,539 sq.ft. of the existing coal tar pitch 2 built-up roof system, related flashings, and related sheet metal components on Roof Areas 1, 4, 9-11 and 3 approximately 4,667 sq.ft. of the existing asphalt built-up roof system, related flashings, and related sheet 4 metal components on Roof Areas 5 and 6. A new vapor barrier shall be installed atop the prepared 5 concrete roof deck and a new tapered insulation system shall be installed atop the prepared steel roof deck 6 and atop the new vapor barrier at areas with a concrete roof deck. A new fully-adhered EPDM membrane 7 and related flashings shall then be installed. New roof-related sheet metal components shall be installed on 8 all roof areas within scope. The louver adjacent to Roof Area 4 shall be modified to accommodate new 9 roofing insulation thickness by removing existing louver section, installing a non-combustible knee wall 10 assembly to support remaining louver sections, installation of new louver flashing and sheet metal, and 11 installation of EPDM roof flashing as required.
