The National Park Service, Northeast Region, New England Major Acquisition Buying Office, intends to issue a Request for Proposal (RFP) for a construction requirement at Lowell National Historical Park, Lowell, Massachusetts. The project involves the removal and replacement of a roof membrane and underlying insulation, providing approximately 235 linear feet of new aluminum fascia edge, and redoing all vent pipe flashings and mechanical unit curb flashings. The contractor must utilize perimeter safety edge protection for the duration of the replacement and provide flexible walkways to access the building’s cooling towers. Key aspects of the project include: • Removal and replacement of the existing roof membrane and underlying insulation • Installation of new 60 mils thermoplastic polyolefin (TPO) roofing membrane • Provision of approximately 235 linear feet of new aluminum fascia edge • Redoing all vent pipe flashings and mechanical unit curb flashings • Utilization of perimeter safety edge protection for the duration of the replacement • Provision of flexible walkways to access the building’s cooling towers