NHCC CC AHU-4, AHU-5 and Fan R-3

A new replacement air handling unit for existing indoor supply unit S-4 and accessories, as specified and scheduled in this document. A new replacement air handling unit for existing indoor supply unit S-5 and accessories, as specified and scheduled in this document. A new replacement air handling unit for existing indoor return-relief fan R-3 and accessories, as specified and scheduled in this document. The apparent low bidder will be required to submit preliminary shop drawings of the equipment which is their basis for the bid to the Owner and A/E for confirmation that it meets the specifications prior to award of Contract. The supplier of the equipment under this contract will be expected to work closely with the Prime Contractor and subcontractors to coordinate delivery, acceptance, installation, startup, advisement, and warranty work.