FCA Replace AHUs Buildings 52 & 53, Jefferson Barracks

Department of Veterans Affairs

VISN 15, St. Louis VA Medical Center-Jefferson Barracks

St. Louis, MO

Romanyk Consulting provided architectural and engineering services to replace nine obsolete roof-mounted and indoor air handling equipment for affecting 177,735-sq.-ft. of clinical and administrative space at the St. Louis VA Medical Center - Jefferson Barracks.

Romanyk Consulting Corp. (RCC) served as prime A/E to replace obsolete roof-mounted and indoor air handling equipment for Buildings 52 and 53, located at St. Louis VA Medical Center - Jefferson Barracks. Services included mechanical engineering, electrical engineering, architectural, roof replacement/repairs, structural oversight, and hazardous material abatement. SIZE 177,735 SF • COST $8.6 million

Building 52—The existing air handler unit (AHU) within RM GN39 provides primary air for several rooms in the basement. RCC’s design replaces the AHU with a new one adding 5% capacity. RM GS08A has a smaller AHU. It was recently abated, but the equipment is past it’s useful life. This system was also replaced with additional 5% capacity. Lastly, the AHU for RM 2S14 provides primary air for Level 02 south wing. This unit is also past it’s useful life and was replaced with additional 5% capacity.

Building 53—53-AH1 was a roof-mounted 7,900 CFM 100% outside air unit on steel supports. 53-AH2 was a roof-mounted 14,650 CFM AHU on steel supports. 53-AH3 was roof-mounted 14,300 CFM AHU on steel supports. 53-AH4 was a roof-mounted 2,400 CFM AHU on roof curb. Lastly, 53-AH5 was a roof-mounted 4,680 CFM 100% outside air unit on steel supports. RCC developed construction drawings to replace all five AHU’s with new ones which increased capacity by 5% on all AHUs. Additionally, Building 53 included the design of a 1,200 square feet of roofing replacement where curbs were replaced for AHU-4, EF-1 and EF-5.