| 摘要 |
A safety framework and a safety system are typically positioned in an excavation, the safety framework defining a work space within which a worker can work in the excavation in relative safety. The safety framework has a first substantially rectangular framework portion made from first elongate support members in the form of square hollow steel sections and second elongate support members in the form of square hollow steel sections secured to the first support members. A second substantially rectangular framework portion is secured to the first framework portion by means of spacer members in the form of square hollow steel sections. The spacer members are supported on mounting portions in the form of eight mounting blocks which project from the first support members and third support members respectively. The safety system comprises a safety framework and a plurality of panel members that are placed in a vertical arrangement around the framework. The panel members are positioned side by side abutting against the support members of the framework to form a wall around the framework. In this way soil or debris is prevented from entering the work space.
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