16.2. For the purposes of section 16.1,“business occupancy” means the occupancy or use of a building or part of a building for the transaction of business or for the provision of professional or personal services;
“dwelling unit” means a building or part of a building that provides sleeping accommodation for persons but is not used for the housing or detention of persons who require medical care or who are involuntarily detained;
“gross area” means the total area of all floors above grade measured between the outside surfaces of exterior walls;
“industrial occupancy” means the occupancy or use of a building or part of a building for assembling, fabricating, manufacturing, processing, repairing or storing products, goods or materials, but does not include medium hazard or high hazard industrial establishment occupancies, as defined in a regulation under the Building Act (chapter B‐1.1); “mercantile occupancy” means the occupancy or use of a building or part of a building for displaying or selling retail goods, wares or merchandise.