47161 HVAC – Provide Energy Efficient Upgrades

This solicitation seeks contractors to deliver a comprehensive building‑energy‑efficiency retrofit at the DEC Region 5 Headquarters in Ray Brook, NY. The work covers full demolition of existing HVAC, electrical, and mechanical systems, installation of new high‑efficiency equipment, geothermal heat‑pump loops, solar photovoltaic arrays, and associated civil site work (excavation, erosion‑control, utility upgrades). All design documents are compliant with the 2020 New York Energy and Uniform Codes, and the project includes strict indoor‑environment and safety requirements. • Replace existing split‑system, PTAC, boiler, and condenser units with water‑source heat‑pump HVAC equipment and associated duct/piping removal. • Install new electrical panels, lighting upgrades, and a solar PV system (inverters, stringing, mounting, grounding). • Perform civil site work: asphalt removal, soil stockpiling, erosion‑ & sediment‑control structures, geothermal bore‑field drilling, and utility installations (propane, underground electric). • Provide temporary construction barriers, maintain building occupancy, and meet indoor climate limits (68‑75 °F, ≤ 60 % RH) throughout construction. • All work must adhere to detailed phasing schedules, registration expirations, and warranty requirements outlined in the bid documents.