Thanks to Aidan Lucas of Bovis Lend Lease for this picture from Hong Kong.
He says: “Nice to see he has a harness; shame he isn't using it, though. And his mate finds it all so funny!”
Email your “favourite” health and safety pictures to firstname.lastname@example.org. The sender of every picture published in the magazine receives a £25 drinks voucher.
To view our gallery of your health and safety blunder photographs, log on to www.building.co.uk/safetyblunders
Terms and conditions: First correct answer wins. No cash alternatives will be offered. No employees of CMPi may enter. Please make the pictures as big as possible.