.-The following conditions shall be observed in self propelled barges transporting petroleum other than petroleum Class C, namely:-(a)the whole of the machinery shall be at the stern of the barge and shall be entirely separated from the cargo by a cofferdam consisting of two transverse petroleum-proof bulkheads separated by a space of atleast 15 centimetres;(b)each exhaust outlet from the machinery shall be fitted with an approved type of spark arrester;(c)no petrol-driven engine shall be used either as main engine or for the purpose of driving any auxiliary machinery or pumps;(d)a quick-action closing valve which can be operated from outside the machinery space, shall be fitted to each fuel feed pipe at its junctions with the fuel service tank;(e)the barge shall be provided with a heavy wood belting; and(f)suitable ventilators shall be fitted to the cargo space.
