Douglass Library Air Conditioner Conversion

Scope of Work: 1. Contractor to remove and legally dispose of three (3) evaporative air coolers. Two (2) cooler penetrations may be reused. One (1) cooler penetration shall be sealed watertight. 2. Contractor to install two (2) new six (6) ton refrigeration units (LuxAire product or equal) with economizers to ensure outside air requirements. New units shall include equipment stands permanently secured to roof deck structural members, flashing, manufacturer’s vibration isolators, and weather deflectors. Installation shall separate dissimilar metals with protective coatings or pre-formed separators to prevent contact and corrosion. 3. New installation shall connect to existing ductwork. Existing ductwork shall be cleaned inside and out. Exterior ductwork shall be wrapped in new foil faced fiberglass insulation, R12 minimum, with new metallic foil duct tape to hold insulation in place. 4. New installation shall include connection to an existing Energy Management Controls (EMCS) system, programmable thermostats for manual override when necessary, adjustable air registers and a Testing and Balance report to ensure cooling efficiency and consistent air pressure. 5. Contractor shall provide new dedicated circuits connected to existing electrical and EMCS panels located approximately 100 l.f. from subject area. All electrical work to be performed by a certified licensed electrician. 6. Completed installation shall be watertight and remain free from rattles, deflections, wind whistles and noise due to thermal expansion and wind pressure.

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Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Central HVAC Equipment.