JUBJ 24-3073 Replace Boiler Ph1 Sect Bldg 1143 Dwgs.pdf

This is a set of mechanical and electrical drawings for replacing a boiler in Building 1143 at Maxwell AFB/Gunter Annex in Montgomery, Alabama (Project JUBJ 24-3073). The drawings detail the installation of a new natural gas fired boiler (B-1) rated at 1500 MBH input/1427 MBH output, along with associated hot water equipment including pumps, expansion tanks, and piping systems.

The drawings include site plans, mechanical general notes, equipment schedules, installation details for hot water pumps and expansion tanks, boiler room layout plans, hot water piping diagrams, control diagrams, and electrical plans. Key specifications include a variable primary pump (HWP-1) rated at 110 GPM, a 40-gallon expansion tank, carbon monoxide detection requirements, and Building Automation System (BAS) integration. The electrical drawings indicate requirements for new NEMA 3R disconnects, control panels, and fire alarm system modifications. The contractor must coordinate with factory representatives for boiler startup and commissioning, and provide a 21-day operational period before final acceptance.