|
发表于 2007-11-23 21:19
|
显示全部楼层
来自: 中国上海
SOLAS, Ch II-1, Pt A-1, Reg 3-6
5 General technical specifications
5.2. For access through vertical openings, or manholes, in swash bulkheads, floors, girders and web frames providing passage through the length and breadth of the space, the minimum opening shall be not less than 600 mm x 800 mm at a height of not more than 600 mm from the bottom shell plating unless gratings or other foot holds are provided. |
|