September 28, 2017: Africa based Imperial Logistics has added two new gas tankers to its fleet. The energy-efficient tankers will join the fleet that operates from the German city of Duisburg, which is the world’s biggest inland port. These tankers will be used to transport liquefied petroleum gas (LPG) and pressurised gaseous products, among other things.

Imperial Logistics chief strategy officer, Cobus Rossouw says that the new tankers will set new standards in terms of energy efficiency and load carrying capacity. “When in operation, the new gas tankers will consume significantly less fuel than their predecessors.”

The christening of the new tankers took place in a grand ceremony, which has been dubbed ‘Imperial Gas 92’ and ‘Imperial Gas 93’. The vessels are 110 metres long and 11.45 metres wide, and they each have a capacity of 2 856 cubic metres.

“They are each powered by two engines, and each tanker has six load tanks. Because the gas tankers are suitable for operations on canals and secondary inland waterways, they can be used in the complete river Rhine area, including its tributaries. The new units will replace two older gas tankers from the fleet that will now be decommissioned,” Rossouw added.

He reveals that the new vessels’ fuel efficiency has been made possible by their sophisticated ‘dual Z-drive’ rudder propellers, developed by global propulsion specialist Veth, which is based in the Netherlands. “In the Veth system, the rudders and propellers form a single unit. Compared to older drive systems, this system requires less fuel and maintenance. Operating data from the main engines - such as fuel consumption, position, speed, exhaust temperature, load and speed - will be sent online to the control centre.”

Another exceptional feature of these new tankers, Rossouw says, is that the ships’ hulls are reinforced with increased protection against collision in the cargo areas, using a special design feature called ‘Schelde skin reinforcement’. The hull of Imperial Gas 92 was built in Plock, Poland, and that of Imperial Gas 93 at MD Constructions in Rotterdam in the Netherlands. The Veka Group in Lemmer in the Netherlands was responsible for further fitting out of the tankers. Each vessel has an onboard sewage treatment plant to purify sanitary wastewater.

Imperial Logistics currently operates 17 gas tankers and has over forty years of experience in the gas tanker shipping sector - one of the few providers in Europe that ships gases liquefied under pressure via inland tankers. Imperial Logistics is also the only European inland shipping company that meets Tanker Management Self-Assessment (TMSA) on level 2.

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