The provisions of this code shall govern the
minimum standards for firesafety facilities and equipment. All structures
shall be constructed and maintained to prevent and avoid fire hazards
and in a manner conducive to firesafety.
Floors, walls, ceilings, and other elements
and components which are required by the applicable fire code to comply
with a fire-resistance rating shall be maintained so that the respective
fire-resistance rating of the enclosure, separation, or construction
is preserved.