Summary
The Work consists of the following: Roof Work to Grand Island Pump Station, lower north roof area includes removing of existing
roofing system in its entirety of ballast stone on EPDM membrane on insulation down to existing concrete deck. Removal of existing metal edge gravel stop. Remove and replace metal scuppers and downspouts. Provide new roofing system of a vapor barrier over existing concrete deck, rigid tapered insulation, cover board and SBS Modified Bituminous membrane. Including: Provide metal edge gravel stop at the top of perimeter walls. Provide SBS membrane flashing with termination bar at junction with existing wall and under louver sill. Remove and replace metal scuppers and downspouts.Roof Work to Generator building at Williams Road Treatment Plant to include new metal gutter and downspouts on east and west elevations with additional framing in soffit for gutter, new snow guard and gutter guard system with electrical connections for the new heated gutter system. Alternate #1: Replace expansion joints at two Doghouse wall connections to include removal of existing sealant and backer material. Provide new expansion joint material to joints.