Z--B23NH HVAC Repairs

DESCRIPTION OF WORK Existing HVAC system in the Central Sterilization Room and adjacent Decontamination Room is to be revised to better control temperature, humidity, and pressurization by removing them from the main HVAC system and providing their own AHU. • Existing AHU-4/5 are to be replaced. AHU-4 is located within the attic space of the exterior ambulance port/canopy. AHU-5 is located within a second floor Mechanical Room. • Existing baseboard radiators throughout B23 require replacement (approximately 1,000 LF). • Two existing ceiling-mounted split DX units in Laboratory are to be replaced with in-kind units. 2.B. SCOPE OF WORK: In addition, the following items are included in scope as bid options and are numbered as such in the contract documents: 1. Bid Option #1: Existing isolation valves serving chilled/heating water systems as well as domestic hot/cold water systems are to be replaced. 2. Bid Option #2: Existing supply/return fan motors on AHU-1/2/3 within the Penthouse of B23 are to be replaced. 3. Bid Option #3: Three existing precast decorative concrete fascia panels around the base of the cooling tower have shifted and require restoration to their original location. The contractor will be limited to work on Sundays or overnight and be required to move furniture and equipment as well as ensure the work area is returned to service the next morning. The contractor will be allowed to shut down the Central Sterilization Room and Decontamination Room for four continuous days after scheduling the shutdown with the building users. A Dust Control and Infection Control Program will also be required of the contractor. (Drawing and door schedule are attached for reference).