Robert Allan Gives Update to Ulupinar ASD Tug Design (Canada)

Robert Allan Gives Update to Ulupinar ASD Tug Design (Canada)

The Ulupinar Series of compact ASD tugs has proven to be a very successful part of Sanmar’s portfolio, with 14 vessels in service; the first one delivered in 2007. After five years, the Sanmar board decided that some updates were needed and Robert Allan Ltd. was contracted to provide an updated design that would keep this compact tug at the forefront of the modern tug world.

Minor cosmetic changes brought the look to a more modern standard, and improved outfit materials and method have increased crew comfort and livability, but the real changes were “under the hood”. Upgrades to the drive and propulsion system will ensure that this model has a long future ahead of it. The first vessel has been completed and has entered service with the Sanmar fleet.

The upgraded main propulsion package comprises a pair of Caterpillar 3512C high speed marine diesel engines, each rated 1500 kW at 1800rpm, and each driving a Rolls Royce US 205 drive unit, with 2.2m fixed pitch propellers.

The vessel has been outfitted to the highest standards for a crew of up to 6 people, with particular attention paid to the reduction of noise and vibrations levels. This has been accomplished by resiliently mounting the main equipment and judicious use of insulation.

The wheelhouse is designed for maximum all-round visibility with forward and aft control stations providing maximum visibility to both fore and aft deck working areas.

Deck machinery is comprised of a forward split drum ship handling winch, an aft towing winch, a quick release tow hook and retractable tow pins. Also featured are Palfinger deck crane and a 600m3 / hr Skum fire monitor.

The electrical plant comprises 2 identical Perkins Sabre 4.4TWGM diesel gen-sets, each with power output of 74kW.

Ship-handling fenders are comprised of a single row of “W” block fenders at the bow, with hollow “D” fender providing protection at the main deck sheer line.

The vessel is classed by RINA for towing and firefighting operations.

[mappress]
Robert Allan Ltd., November 8, 2012

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