Regulatory Compliance

Two principles for air-conditioning operating rooms are that air should be supplied at the ceiling, in a unidirectional or laminar air pattern, and that higher air change rates result in lower bacte­rial counts within the room. However, these principles are applied along a wide spectrum, and…
Certain rooms within a health care building should be positively or negatively pressurized with respect to surrounding areas.
A building’s HVAC system is designed to perform several tasks: filter, cool, heat, humidify, dehumidify, pressurize, and/or exhaust. Each of these tasks affects indoor air quality. For example, if incom­ing air is not properly filtered, excessive dust from the outdoors is drawn into the building.…
Appropriate air filters should be used and maintained within HVAC systems, biological safety cabinets, horizontal laminar flow benches, and pathology workstations.
The Facility Guidelines Institute (FGI) is a nonprofit organization that works to develop guidelines for designing and building hospitals and other health care facilities.