| 摘要 |
A safety device (10;1 10) for a manhole on board a vessel or an installation is described, comprising a body (12;1 12) arranged to be placed over the manhole, where the body (12;1 12) is internally open and has an internal shape which, in the main, corresponds to the opening of the manhole, and that the body (12;1 12) is formed as a closable unit equipped with a lid (14). The wall of the body (12a;1 12a) provided with passages (30) for insertion of lines (31 ), such as for gas, electricity, water and the like, to be used during work in a room under the manhole. |
