the 100 tonne crane , which has been positioned on the edge of the river avon in bath to dredge the water for abandoned items at the bottom .
divers had already located and harnessed the dumped items before the barge was used lift to the obstructions , including mopeds , on to the riverbank .
it came after the abandoned cars and other objects were identified by the environment agency during a recent survey of flood defences in bath .