一、BTP CMEB 9.5-1 C.5(5)規定:Door openings in fire barriers should be protected with equivalently rated doors, frames, and hardware that have been tested and approved by a nationally recognized laboratory。
BTP CMEB 9.5-1 B.4規定:Fire Barrier – those components of construction (walls, floor, and their), including beams, joists, columns, penetration seals or closures, fire doors, and fire dampers that are rated by approving laboratories in hours of resistance to fire and are used to prevent the spread of fire.