Bulkhead 02 : (1) A partitioned enclosure at the top of a stairway fitted with a door to provide access from the stairway to the roof. (2) An entrance door to a basement from the outside of a structure
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}