Specifications include, but are not limited to: ➢The Contractor shall perform an HVAC load calculation and evaluate existing equipment andverify equipment is properly sized on unit 1, 6, and 7. This is not to include split unit 2, 4, aswell as RTU 1 and 2 as they will remain the same capacity.➢Unit 3 and 5 shall be removed and not replaced. All ducting, piping, and wiring for these unitsshall be removed as part of this bid.➢The Contractor shall provide and install high efficiency natural gas split package units inproposal that are a minimum of two stage heat with 95% Annual Fuel Utilization Efficiency,referred to as AFUE going forward. The air handler shall have a variable speed blower andthe compressor shall be a minimum SEER 14 rating.➢The Contractor shall elect the option of Economizer Comparative Enthalpy 0-100% withbarometric relief on package unit options. The Contractor shall install a sensor to monitorreturn air and outside air with an enthalpy controller.➢The Contractor shall install unit so that the outside air intake is pulling fresh air into facilityand is installed at a safe distance away from carbon monoxide exhaust vents and other roofexhaust vents located on roof.➢The Contractor shall provide package units that have hinged access panels.➢The Contractor shall provide equipment that has local parts and support available.➢The Contractor is to remove and dispose of all existing rooftop and split unit equipment that isbeing replaced.