Roof means a non-porous cover for a structure such as (by way of example and not limitation) Lexan barriers or shingles but not a shade trellis, ivy or other open or porous material that may also be used as a cover.
Building means any structure used or intended for supporting or sheltering any use or occupancy.
Lobby means a covered space in which all the adjoining rooms open;
Impact surface means an interior or exterior surface that is subject to damage by repeated sudden force such as certain parts of door frames.
Balcony means a cantilevered deck that projects from a wall of a building and which, except for a railing, is not enclosed; (Bylaw 5609)
Work area means a room or defined space in a workplace where hazardous chemicals are produced or used, and where employees are present.