An occupier is not in breach of duty for failing to remove or mark an obvious obstacle on premises where the entrant was aware of the obstacle and had successfully navigated around it multiple times. Taking no precautions whatsoever may be a reasonable response to a risk where it can reasonably be assumed that adults will take reasonable care for their own safety. An employer cannot be found to have breached its duty of care in respect of a hazard of which it neither knew nor ought to have known.
The full text is available to signed-in members, including the 7 later cases that cite this judgment.
2 of the 7 citing cases carry a classified treatment. How each court treated it is available to signed-in members.