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In its current form, The standard is in two parts:
BS EN 1004-1: 2020 and BS EN 1004-2: 2021.
The standard defines a number of characteristics of towers such as modes of access and sets minimum performance levels for things like platform or guardrail deflection under load, sizes of components or gaps between elements such as guardrails. It also specifies a load rating derived from a pre existing scaffolding standard.
A tower can be either class two or class three. Everyone claims to be a class three tower - and indeed, most if not all have a test certificate that says they have been tested to class three.
Unfortunately for users, most current brands of tower - other than Alto - that we have checked restricts their double width tower platform loading to substantially less than a class three load. The same applies to longer length platforms.
To ensure that you have a tower that is safe and compliant you need to be sure that a tower is externally certified as meeting both parts of the standard and with product surveillance to make sure they continue to comply .
Meeting these minimum standards costs manufacturers money There is only one reason why people sell towers that aren�t properly certified. That is to save themselves money.
For more information on What is EN 1004? talk to Alto Access Products