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Standards are recognised rules of engineering and contain specifications for manufacturing and testing products. European standard EN 1004 relates to mobile access and working towers. A new version will come into force on February 1st 2021. After an implementation period lasting until 30.11.2021, manufacturers may only bring into circulation mobile towers which comply with the new version and bear notification of compliance to the new standard.
Whereas the previous version of EN 1004 only covered mobile towers and scaffolds from a standing height of 2.5 metres upwards, the new version has no restriction on minimum standing height. Smaller mobile scaffolds are also included in the standard.
EN 1004 covers mobile towers and mobile scaffolds from a standing height of 0 meters.
According to the new version of EN 1004, mobile towers must be designed so that they do not require the use of personal fall protection equipment during assembly, conversion or dismantling. This means that side protection must be continuously ensured in every phase of assembly or dismantling. Guard rails and bracings for the next level must therefore be installable using one of the following methods:
Safe assembly, conversion and dismantling with continuous side protection must be ensured.
To reduce the risk of falling during assembly, dismantling and access to the mobile tower, the height between two platforms must be maximum 2.25 metres in future.
The lowest platform may have a maximum height of 2.40 metres.
Platform distance max. 2.25 metres. First platform at max. height of 3.40 metres.
To increase the stability of mobile towers and mobile scaffolds, EN 1004 stipulates new regulations for calculating the structural design. This may result in changes to the ballasting requirements of manufacturers.
Changes to the manufacturer’s ballasting requirements for mobile towers must be complied with for their use.