AHU Replacements ~ S / P + A PROJECT # 24 . 217

2026-11-03

A . The Work of the Project is defined by the Contract Documents and consists of the removal and replacement of two ( 2 ) air handling units at an existing building . B . The Work of Project is defined by the Contract Documents and includes , but is not limited to , the following : 1 . Removal of existing air handling unit , return fan , and associated ductwork , insulation , and hangers in the fan room . 2 . Disconnection and removal of the existing steam , steam condensate piping , and steam specialties connected to the steam coil in air handling unit . 3 . Capping of existing remaining steam and steam condensate piping including provision and installation of steam valve , steam condensate trap , and vent at the end of the piping . 4 . Removal of existing air - cooled condensing unit , existing dunnage , and associated refrigerant piping and insulation . 5 . Provision and installation of new packaged gas fired rooftop unit . 6 . Provision and installation of new outdoor duct system and ductwork support from packaged gas fired rooftop unit to fan room . 7 . Provision and installation of new sheet metal ductwork , ductwork insulation , and hangers connecting the existing to new outdoor duct system . 8 . Checking of existing fire damper operation and replacement of the fusible link . 9 . Provision and installation of duct mounted access door at fire damper locations . 10 . Relocation of existing VAV box serving the classroom in the fan room . 11 . Blanking - off of existing louver to remain . 12 . Removal of existing louver where new ductwork is routed and infilling of unused opening . 13 . Provision and installation of new gas piping , pipe support , gas valves , gas pressure gages , and gas pressure regulators . 14 . Upgrade of existing controls software management system . Provision and installation of all devices , low and line voltage wiring , transformers , conduits , relays , and additional programming to perform the sequences of operation and to interface with existing controller . 15 . Modification of existing sprinkler head located below existing duct exceeding 48 inches wide . 16 . Provision and installation of new sprinkler head below new duct exceeding 48 inches wide . 17 . Removal of electrical branch circuit feeds , duct smoke detectors , and convenience outlets for demolished mechanical equipment . 18 . Provision and installation of new electrical branch circuit feeds , new duct smoke detectors , and new convenience outlets for new mechanical equipment . 19 . Removal and reinstallation of existing ceiling tiles affected by dunnage installation . 20 . Provision of new roof top unit dunnage , including repair of roof .

Connecticut

2026-05-05