Summary
Proposals for City Hall Roof Replacement at our City Hall. Remove and properly dispose of existing metal edge, copings (excluding lower parapet walls), EPDM roofing and insulation down to wood decks to inspect condition of roofing substrate prior to the installation of new roofing system. Install a roofing manufactures self-adhering vapor barrier over roof decks. Mechanically fasten two layers of polyisocyanurate insulation in accordance with the Manufacture’s approved fastening pattern. The insulation system shall provide a minimum Rvalue of R25. Install tapered insulation in the direction of the drains and crickets in between the drains. ITP-2 The roofing system shall consist of a fully adhered 60-mil White TPO membrane including a temporary protective cover film to be removed at the completion of construction). Install new Drains and tie into existing piping. Reuse existing .040 aluminum copings at the lower parapet walls. On the two-story building and the connector corridor Fabricate and install new .040 aluminum metal edge that match color of existing coping. Install New wood blocking to match insulation height if necessary. Install approx. seventy (70) walk pads around the HVAC units and service areas.