Z--FY26 MONO REPLACE VISITOR CENTER HVAC

The National Park Service at Monocacy National Battlefield in Frederick, MD is seeking an experienced HVAC contractor (minimum 10 years) to relocate and replace a 15‑ton York split system, a 230 kBTU Weil‑McLain boiler, a 12 kBTU Liebert mini‑split, and an 18 kBTU Liebert mini‑split in the Visitor Center. The scope includes removal of existing equipment, disposal of waste, installation of new units, new concrete pads, integration with existing Siemens controls, startup, balancing, commissioning, and optional provision of a temporary air‑conditioning unit with up to eight months rental. The contractor must provide all labor, materials, permits, safety plans, and a one‑year warranty, and must adhere to historic preservation, environmental, and safety regulations. The period of performance is eight months, with work limited to weekdays 6:30 am‑4:00 pm and subject to federal holidays. • Replace four HVAC systems and associated boiler. • Provide optional temporary cooling unit (up to 8 months). • Perform demolition, concrete work, electrical, refrigerant, and control integration. • Comply with historic preservation, OSHA, NPS, and environmental statutes. • Submit daily work logs, quality‑control plans, and close‑out documentation. • Must maintain a qualified on‑site supervisor (5 years HVAC experience, 2 years supervisory). • Work to be performed on‑site at Monocacy Visitor Center, Frederick, MD.