Bids Are Invited For Remove And Replace 2 Heating Boilers

Scope Of Work:1. Demo Existing Boilers. Replace With New, Matchingsuper-Hot Model. Alternates Not Allowed. C/W All Newsafety Components Including Low Water Cut Off,Flow Switches, High Limit Switches.2. Install Boilers With Flanged Water Connections,Instead Of Existing Unions.3. Demo Existing System Circulators. Replace With Newsmart Variable Speed Style. Grundfos Magna3 Orequivalent.4. Demo Existing Boiler Controller And Wirelessoutdoor Sensor. Replace With New Tekmar Smartboiler Control 294 (4-Stage) And Wired Outdoorsensor.5. Outdoor Sensor To Be Mounted At The Edge Ofcombustion Air Louver On Main Floor. Wired Back Toboiler Controller.6. Provide New Duct To Existing Unit Heater, Extendeddown Into Existing Cold Air Trap.7. Demo Existing Expansion Tank. Replace With Newbladder Style.8. Provide New Industrial Air Vent On Existing Airseparator.9. Provide New Strainers For Both Pumps.10. Replace Boiler Gate Valves With Butterfly Valves.Provide Spool To Match Length.11. Repair Pipe Insulation And Update Identificationmarkings Throughout Mechanical Room.12. Provide Heating Water Chemical Cleaning, Purge Andreplenish, And Water Treatment.10. Add Endotherm Heating System Additive To Hydronicsystem.