Regulations for Passenger Ship Administration Article 69

Berths in cabins shall be secured, and the arrangement and size thereof shall be made in accordance with the following requirements:1. The number of tiers of the berth shall not be more than two;2. Two berths shall not lean together closely, and shall have a passage of at least 75cm in-between;3. The top of the lower berth of a double-tier berth shall be no less than 30cm above the floor; the distance between the tops of the upper and lower berths, and the overhead space above the top of the upper berth shall be no less than 76cm.4. At least one side of every berth shall face a passage accessing the entrance; and5. The length and width of the inner edge of a berth in an international passenger ship shall be no less than 182cm and 60cm respectively, or, in a domestic passenger ship, no less than 180cm and 56cm respectively.
中文原文 客船管理規則第69條
房艙內床位應固定,其配置與尺寸應符合下列規定:
一、床位不應超過兩層。
二、兩床位不得並排緊靠,其間應至少隔有七十五公分之通道。
三、雙層床之下層床頂面,距地面之距離不得少於三十公分;上層床頂面與下層床頂面之距離,或上層床頂面以上之空間,均不應少於七十六公分。
四、各床位至少有一側應面向通至出入口之通道。
五、床位內緣之長度及寬度,國際客船不得少於一百八十二公分及六十公分,國內客船不得少於一百八十公分及五十六公分。

English translation for reference only; the Chinese text prevails. Not legal advice.