Specifications include, but are not limited to: Plaza 17 is a six-story masonry/brick building and there will be a total of 78 hydronic heaters that will require new control values. The Contractor will be replacing, installing, testing, and commissioning (including but not limited to) the following items: New circuit setters New T stats Replace/Add new thermostatic radiator valves/ heater circuit setter at lobbies and offices Replace thermostatic radiator valves/ heater circuit setter in living units Clean strainer Add acid neutralization trap to each boiler condensate drain discharge lines Rebalance flow control valves Clean, test, and commission two existing boilers Rebalance flow control valves Replace boiler loop pumps Rebuild two pumps with new bearings and seals Relocate pressure sensor Install new PT ports Relocate outside air sensor Flush and balance the entire loop piping system and provide a report Chemically treat and refill piping system Insulate missing pipe insulation Flushing out the entire Hydronic loop system and chemically treating water after refilling Recommission and reset parameters and schedules for the boiler control panel and hydronic loop pump VFD’s