 The commandos in the power station discovered that the Germans had left the control room and only a Norwegian engineer was on duty.Sergeant Smith and Private Fairclough were detailed to plant their explosives amongst the machinery in the power house and the other commandos located the area where the Norwegian work force worked and slept.The workers were gathered up and ordered to leave the station via an access tunnel over long, which was the only land route between the station and the villages in the fjord.