•Important Terms related to building and fire safety. (CLICK)Building norms as per NBC Access room: A room through which only thg escape route passes from an inner room. Accommodation stair: A stair, additional to that or those required for escape purposes, provided for the oonvmienoeoftie occupants. Ancillary accommodation: All parts of the building that are ancillary to the main use of the building, such as, rooms associated with engineering services, refuge rooms, covered car parks etc. Atria : A space within a building not necessarily vertically aligned, passing through one or more structural floors. Note: Enclosed lift wells and escalator wells, building service ducts, and stairway: are not classified as atria. Basement : A level of building or structure lying haif or more below ground level. Building : Any structure for whatsoever purpose and of whatsoever material constructed and every part thereof whether used as human habitation o...