DNV GL to Class ALP's Ocean-Going Tugs

By Joseph R. Fonseca
Thursday, August 07, 2014
“ALP Future Class” ocean-going tugs


DNV GL congratulates ALP Maritime Services on the development of its next-generation “ALP Future Class” ocean going tugs.

The vessels, developed by Ulstein Design & Solutions in close cooperation with ALP Maritime Services (ALP), are SX157 design with a 300-ton bollard pull, capable of operating at full loads for 45 days without refuelling.  ALP, which was recently acquired by Teekay Offshore, has contracted Niigata Shipbuilding & Repair yard to build four vessels. The first vessel is scheduled for delivery in the first quarter of 2016.

According to Bas Veerman, DNV GL Customer Service Manager (BeNeLux), the “ALP Future Class” vessels have a number of specialised notations. “It was clear from the beginning of the project that ALP was committed to developing a very unique, high-spec design,” he says.  “In terms of operational performance and flexibility, these vessels are ‘best in class’ but also include features to reduce emissions, enhance safety and robustness, and ensure crew comfort over long distances.”

Leo Leusink, Chief Operation Officer for ALP, says that the 4,250 dwt ocean going tugs have been designed to manage a growing number of ultra-large floating production units now on order. “The growing size of these new offshore floating production units has created a demand for increasingly large and powerful vessels to perform mooring leg survey, maintenance, repositioning, refurbishment and/or decommissioning services in increasingly remote locations,” he says. “Our goal is to provide the market with highly reliable, flexible and safe vessels that will minimise risk to crew and avoid damage to offshore installations.”

Leusink says that unlike many existing ocean-going tugs, “ALP Future Class” vessels are equipped with redundant systems to avoid the risk of engine failure or blackouts – a genuine risk when towing large units in rough seas. “We started from a scratch to develop a design that would meet – and exceed – the expectations of energy majors,” he says. “By working with technical experts like DNV GL, we are confident that these vessels will represent a genuine competitive advantage over traditional older tugs.”

For Veerman, the project is a good example of how an owner, designer and different suppliers can work together to create safer, green and smarter tonnage. “We are excited to be a part of this project and congratulate both ALP Maritime Services and Ulstein Design & Solutions on the development of these remarkable vessels,” he says.

The vessels will be classed by DNV GL with the following notations: DNV 1A1,ICE-1B, Offshore Service Vessel+, Anchor Handling, Towing, Fire Fighter II, SF, COMF-V(3), E0 DYNPOS-AUTR, NAUT-OSV(A), CLEAN DESIGN, Recyclable, BWM-T, BIS, TMON.

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