For all fabricated structural steelwork delivered to site after exit day, there is a legal requirement that it is UKCA or CE~1 Marked. In order to achieve this, the client or main contractor should appoint a steelwork contractor with an Execution Class equal to that required for the project. It should be noted that steelwork contractors with EXC3 capability can be used for EXC1, 2 & 3; and a steelwork contractor with EXC2 capability can only be used for EXC1 & 2.
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