Wastewater Treatment Plant Control Building Ventilation Improvements

2026-11-03

The City is seeking proposals from qualified firms to provide and perform the scope of services identified below . Contractor shall provide all equipment and supplies necessary to complete this scope of work . In addition , the Contractor shall be solely responsible for construction site safety and compliance with all applicable site safety rules and regulations . 1 . Demolish two existing roof mounted exhaust fans serving Office and Toilet Room and associated ductwork and appurtenances . 2 . Demolish portable air conditioning unit and associated ductwork and appurtenances . 3 . Provide new ductless split system heat pump and all associated piping , wiring , and appurtenances as required for a complete system . a . Outdoor unit with corrosion resistant fin coating . Provide with 24 " stand and mount on roof above . Equal to Mitsubishi MUZ - FX12NLHZ b . Wall mounted indoor unit located on northeast wall of Office . Equal to Mitsubishi MSZ - FX12NL . 4 . Provide new curb cap on each of the two roof curbs associated with the demolished exhaust fans with 10 " goosenecks with 1 / 2 " mesh bird screens . a . The goosenecks will be directed away from each other to ensure a 10 ' separation between the intake and exhaust openings . 5 . Provide new energy recovery ventilator with electronically commutated motors , MERV 13 filters . 225 cfm supply , 120 cfm exhaust . Equal to Renewaire HE05IN . 6 . Provide hydronic preheating coil and associated transitions as required to mount in outside air supply ductwork between air intake and ERV . Equal to USA Coil 225 cfm , 2 row , 6 fins per inch , 11 . 0 MBH , 1 . 1 gpm . 7 . Provide 3 / 4 " piping with 1 - 1 / 2 " thick fiberglass insulation with all service jacket , connecting hydronic preheating coil to existing 1 - 1 / 4 " hot water supply and 2 - 1 / 2 " hot water return mains in corridor .

Vermont

2026-04-28