For example, the work must be notified in advance, there must be a clear work plan, and it must be demonstrated that the work cannot be reached by stairs, elevator, scaffolding, aerial work platform, or any other means. Also, the work should be incidental and there should not be too much wind.
To replace the LED lighting in the four dials of the church tower clock in Mijdrecht, there was only one solution: working from a “hoist box. Van Schie deployed a 120-ton telecrane for this. With jib for extra mast length!
