Variance 03 : A deviation from a building code requirement that may be granted by the authority having jurisdiction, usually if the deviation does not conflict with the intent of the code or standard
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}