But that is where the regulators need to re look at these temporary structures.
They are harder to see than solid buildings with lit up rooms.
Their spindly structures tower way above the skyscraper type buildings often in colors which blend in with grey skies and mist.
oh i agree with you pace.
not just in grey skies and mist, depending on the surrounding environment and viewing angle, they can be extremely difficult to see in good viz too.
regulations are always subject to evolution and this is one such matter which would dictate that perhaps evolution is in order. I really fail to see the resistance to adding obstruction lighting to a potential hazard, in terms of cost to the industry.. probably nothing. in terms of the cost to a multi-million pound development, negligible if anything, to the crane owner operator.. negligible.