Government Case Study

Hoffman Courthouse USMS Space Renovation

The Walter E. Hoffman United States Courthouse, formerly known as the U.S. Post Office and Courthouse, is a courthouse of the United States District Court for the Eastern District of Virginia in Norfolk, Virginia. Built in 1932, it was listed on the National Register of Historic Places in 1984, reflecting Art Deco architecture. Historically it served as a courthouse and additionally as a post office.
 

Challenge

Providing an air cleaning system to directly influence airborne pathogens to occupants in the U.S. Marshals courthouse in Norfolk. Air Conditioning Equipment Sales (ACES) in Richmond, Virginia, provided design support for the selection of a highly effective air purification unit.

Solution

ACES proposed a built-to-order air handler manufactured by Bioclimatic Air Systems to provide a “belt and suspenders,” consistent with CDC recommendations for a layered approach, to substantially remove and destroy viruses and bacteria that would be drawing into the air-handling unit via the return air ductwork. This unit included ultraviolet lamps, proven to have high pathogen inactivation effectiveness, in combination with a HEPA (high efficiency particulate arrestance) filter that is capable of capturing over 99% of 0.3 micron size particles, which includes most of the airborne bio-aerosols that carry the coronavirus.

Results

Reduction in total cost of ownership of filtration system.

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