All of the preparation steps on the checklist must be checked and completed by the Contractor entry Supervisor and any additional precautions are taken before entry into the confined space.

进入密闭空间前，作业主管必须检查和完成检查清单上的所有准备步骤并采取任何必要的附加措施。

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Levels and dimensions are to be checked on SITE by the CONTRACTOR before any WORK commences.

在任何工作开展之前，承包商要确认站点的高度及尺寸。

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Locog's Ms Brock-Doyle said the welding had broken "on one seat at Eton Dorney and on a couple of other seats at the hockey so Games organisers have checked all the seats provided by the contractor to temporary venues".

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