Hong Kong Regulations

EDUCATION REGULATIONS - REGULATION 8

Minimum height of parapets and window openings

The height of all parapets and window openings shall, unless such parapet or
window opening is satisfactorily guarded by bars, be at least 1.1 m measured
from the level of the floor immediately adjoining and where such bars are
installed in openings giving access to areas to be occupied by teachers or
pupils the bars shall be so installed as to be readily removable by the Fire
Services in emergency. (L.N. 62 of 1977)