Remove and replace existing air handling units and condensing units, existing Pneumatic VAV boxes with new VAV boxes with DDC controls, all existing fire smoke & fire dampers to re…
Relocate/replace refrigerant supply and return piping. Install three (3) new evaporator/condensers split systems two (2) new thermostats.
Q181_Reconstruct main entrance vestibule slab structure. Perform exterior masonry work. Remove and replace foundation wall waterproofing, main/low/bulkhead roofing systems, exhaust…
Install VPHPs and associated ductwork and install VRFs, replacement of all existing gas and fuel fired heating and ventilation appliances in the school building with new electric p…
HVAC Removals and HVAC New work associated with SCA PS 41Q
Replacing Gooseneck in kind.
Herewith filing Mechanical and OT-Lighting for new school building
Q041- Roof, Parapet, & Exterior Masonry Replacement Mechanical Work
Sub-Slab Depressurization System for New School Building
Remove: existing trap, ductwork, air registers & pneumatic control assembly. Install: heat recovery unit ventilator/thermostat, exhaust fans, ductwork & registers. PAA description…
Replace steam heating piping, ventilation ductwork and fans, provide dampers for roof level hoods, and replace condenser for existing split system