Historical
NFPA 90A-1999
NFPA 90A: Standard for the Installation of Air Conditioning and Ventilating Systems, 1999 Edition
Covers all systems for the movement of environmental air in structures, which (a) serve spaces of over 25,000 cubic feet in volume, or (b) serve buildings of Types III, IV and V construction over three stories in height, regardless of volume, or (c) serve buildings and spaces not covered by other applicable NFPA standards (d) serve occupants or processes not covered by other applicable NFPA standards.
CONTENT PROVIDER
National Fire Protection Association [nfpa]
National Fire Protection Association [nfpa]