The National Park Service requires removal and installation of approximately 450 linear feet of chain link fence, including two 9-foot swinging gates and two 20-foot sliding gates. Work will be performed at Hopewell Furnace National Historic Site in Union Township, Berks County, Pennsylvania. The contract will be a firm-fixed price award under a competitive total small business set-aside, with an estimated magnitude between $25,000 and $100,000. The performance period is expected to be 30 calendar days from award.