To replace/refurbish Air Handler Units (AHUs) 4, 5, 7, 11, and 14 per the project requirements provided below: a. Contractor to price each Air Handler Units (AHUs) (4, 5, 7, 11, and 14) separately. b. Replace any portions of rusted outside air (OSA) metal ductwork and reinsulate. Change Orders will be created to address repairs that are not visible. c. Provide and install HVAC New Life, or PBC approved equal, which includes environmentally cleaning of five (5) AHUs. Environmentally clean the coils and blowers utilizing the Cursory PURE-Steam, or PBC approved equal, the GREEN (no chemicals) Sterilization Steam Cleaning Process (Green Clean Institute Certified Coil Cleaning Process), or PBC approved equal. Environmentally clean the drain pan and apply PURELiner 2.0, or PBC approved equal. Environmentally clean the interior housing, then prime and apply PURE-Coat paint, or PBC approved equal. Environmentally remove and properly dispose of fiberglass insulation liner and replace with white closed cell zero porosity insulation liner. Demolish existing blower assembly and replace with fan arrays. All of these remedial actions must be completed under strict containment specifications which includes applications to address OSHA (Labor) 29 C.F.R. regulations. 1) Respiratory Protection Program: 1910.134 2) Confined Space Program: 1910.146 3) Hazard Communication Program: 1910.1200 4) Lock Out-Tag Out Program: 1910.147