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RAL ADAPTS TUG DESIGN FOR US NAVY

Thursday, December 19, 2019 

Canadian ship designer and tug specialist Robert Allan Ltd (RAL) has been awarded a contract to design a new version of its RAscal 1900-Z tug for the United States Navy.

RAL was awarded the design contract by Modutech Marine of Tacoma, Washington. This new design builds on RAL's previous naval expeirnce, as the US Navy currently operates six TY 802 class vessels, based on the RAL Z-Tech 4500, and has six more, the YT 808 class, under construction.

The new tug, to be known as the YT 815 class, will be built by Modutech. The Naval order is for one vessel, with an option for a second. The YT 815 will be very similar to 10 RAscal 1800-Z tugs (as picture) which have been built by Sanmar Shipyards in Turkey and delivered to commercial clients in UAE, Turkey, Spain, and New Zealand. The upgrades for the Navy include new EPA Tier 4 engines, each of 1300bhp, and associated systems, with extensive fendering above and below the waterline to handle US Navy surface ships, submarines and barges. The 19.2m tugs will develop around 30t bollard pull.

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