Specifications include, but are not limited to: 1. Provide new polypropylene vents for new boiler rooted through existing airway with terminations above roof; 2. Provide new galvanized steel duct for sealed boiler combustion air with fresh air intakes routed to existing roof; 3. Provide new 540 carbon steel heating system piping connected to existing main supply and return pipes in boiler room; 4. Provide fiberglass thermal insulation on all piping within boiler room as required by energy code; 5. Provide insulated metal panel for existing wall louver: opening to seal off boiler room; 6. Provide integration of new equipment to existing automatic temperature control (ATC) system by SNE building system; Phase 1: 1. Provide design services to replace existing mechanical equipment (2) 2,500 MBTUH capacity space heating boilers; 2. (2) 450 GPM flow system pumps with 10HP variable frequency drives; 3. (2) Expansion tanks; 4. (1) Air separator conversion to sealed combustion air intank for new boiler. Conversion to direct venting for new boilers and associated revisions to boiler room hydronic piping as required to suit new boiler; Phase 2: 1. Demolition removal and disposal of existing boilers, pump, tanks, valves, and piping as required; 2. (2) new 2.500 MBTUH gas fired condensing boiler rated at 96% combustion and thermal efficiency; 3. (2) new 450 GPM flow heating water system circulation pumps with new 10HP variable frequency drives; 4. (2) new floor mounted ASME construction expansion tanks; 5. Provide new hot water unit heater in boiler room with thermostat; 6. Provide electrical line voltage power wiring by CT licensed electrical contractor; 7. Provide one year warranty against defects in materials and workmanship; 8. Provide application for Town of Winchester Plan Department and permit fees associated with work; 9. Provide certified payroll reports to document payment of CT Prevailing wages as required; 10. Provide peer-reviewed scientific evidence of boiler and project specifications that align with the CT DAS HVAC Air Quality Grant requirements. 11. Any other project needs based on the walkthrough of the site on Friday, May 10, 2024.