Condition of ladder or staircase and handrail (including crown handrails).

梯子或楼梯及扶手(包括顶扶手〕的状况。

http://www.legislation.gov.hk/eng/index.htm 18.07.2011

http://www.legislation.gov.hk/eng/index.htm 18.07.2011

(in the case of internal staircases) not less than 225 mm in width measured from the face of one riser to the face of the next riser; or

(就室内楼梯而言)从一个竖板面量度至下一个竖板面，阔度不得少于225毫米；或

http://www.legislation.gov.hk/eng/index.htm 11.11.2011

http://www.legislation.gov.hk/eng/index.htm 11.11.2011