Z2DA--542-26-109 | Replace Flat Roof Building 57 | NCO 4 Construction East (VA-26-00053279)

26 109, Replace Flat Roof Building 57. The work includes the full replacement of the EPDM flat roof systems on Building 57, including the southern basement entrance/exit roof. Scope includes removal and replacement of the EPDM membrane, insulation, cants, flashing, and associated roof components; co

rrecting roof pitch to designated roof drains; repairing concrete decking; removing abandoned rooftop equipment; replacing the existing exhaust fan and damaged exhaust hood; and installing new lightning protection for affected equipment. Al