Specifications include, but are not limited to: A. Provide and install four (4) ductless minisplit systems for backup air conditioning in SCADA C1053 per the floor plan and schedule below. Two indoor units (SSIU-#) shall be placed on each side of the SCADA room, and all four condensing units (SSCU-#) shall be placed high on the wall in the indoor parking garage as shown on the partial floor plan below. Coordinate exact locations with Owner prior to installation and install units per manufacturer’s instructions. B. Route condensate piping above ceilings from SSIU units in SCADA room to floor sink in Ice Room. Condensate piping shall be Schedule 40 PVC pipe with 3/4" flexible elastomeric insulation. C. Route refrigerant line sets above ceilings following same path as condensate piping below to from SSIU units in SCADA room to SSCU units in interior parking garage. D. In existing panel NL2SC1 located on the Mechanical Mezzanine, remove (8) existing 20 amp single pole spare breakers and turn over to owner to make room for (4) new 30 amp two pole breakers. Utilize circuits 35 through 42. Provide 2-#10 AWG, #10 GND in ¾” conduit from each of four split system outdoor units to new breakers. Provide 30 amp, 240 volt, 2 pole, NEMA 1, non-fused disconnect on new feeder at each outdoor unit. Provide 2-#12 AWG, #12 GND in ¾” conduit from each outdoor unit to the corresponding indoor unit. E. Remove and reinstall ceiling tiles as required for piping and conduit installation and coordinate exact route with existing conditions. Replace any ceiling tiles damaged during construction.
