Main entrance and common areas of the ground floor and means of access to buildings if the domestic parts of which do not exceed 4 storeys.

如建筑物的住用部分不多于4层，建筑物的主要入口、建筑物地面的公 用地方及进出建筑物的途径。

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

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

Every opening placed on an external wall above the ground floor of any building shall be protected by a barrier which shall be not less than 1100 mm high and the lowermost 150 mm of such barrier shall be built solid.

每个设于任何建筑物地面层之上外墙的开口，须以栏障防护，栏障高度不得少于1100毫 米，而最低的150毫米须为实心。

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

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