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What category does a self-propelled boom with outriggers fall into?

April 26, 2017boom category fall outriggers propelled self self-propelled

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What category does a self-propelled boom with outriggers fall into?

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If a self-propelled boom with outriggers can only travel with its platform in the lowered, i.e. transport, position it is classed as a Static Boom (1b). However, if a self-propelled boom with outriggers can travel with the platform raised, then it is classed as a Mobile Boom (3b). [NOTE: If the outriggers/stabilisers have to be deployed before the platform can be raised beyond a specified height, but it can travel with the platform raised below this height, then it is still classed as a Mobile Boom (3b).