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260 main tanks and in the main fuel tank is oil-tight to the upper deck. At the side of the expansion trunk summer tanks are formed over each main tank, and each summer tank is provided with a hatch containing 3 per cent of the total capacity of the space to allow for expansion of the oil. Great care has been exercised with the boundaries of both the transverse and longitudinal bulkheads to ensure per- fect oil-tightness, and double bars have been fitted, one 3% in. by 3% in. and one 6% in. by 3% in. © Ample capacity is provided for oil fuel in a cross bunker immediately forward of the engine room and in a large, deep tank under the forward A WAND x K | THE MARINE REVIEW hold. The double bottom under the engines. is arranged for fresh water, while the peaks are arranged as bal- last tanks. ' An efficient installation of oil pip- ing capable of rapidly discharging the whole cargo has been fitted, con- sisting of a double 8-in. pipe line with a suction valve to each tank and master valves at each transverse bulk- head, and with cross-over connections and valve between each pair of tanks. All tank valves are operated from the upper deck, and there is also a connection from the 8-in. line to the cofferdams for filling and emptying these spaces. On the upper deck the pipes are so arranged that two kinds July, 1914 of oil can be discharged over each side at the same time, and these pipes can also be utilized for filling the oi| tanks. There is also a discharge over the stern, and in the pump rooms there are two pipes on each side of the vessel for loading from or dis. charging into barges. _ The two pump rooms are placed forward and aft of the bridge respect- ively, and each contains a 12-in. by 10-in. by 14-in. H. T. Duplex oil pump, These pumps have a capacity of 150 tons per hour. The connections. in the pump rooms are so arranged that the pumps can draw either from the sea or any tank and deliver into any other tank, and any tank can be ~ > Sa \ Ba Hoes x pr ae MaLEN HOP MAST een ee pas) bere \\SAr & WIRE j \ N at aA EST A OPO RUC ep OSM \-----| Ct I lek | | pepe Paner | : t ee at FIG. 1-INBOARD PROFILE AND DECK PLANS ae