Crowley Delivers Last Of Prevention Tug Series
Crowley Marine Services has delivered Aware — the third in a series of three 140-ft. (42.6 m), 10,000-hp Prevention and Response Tugs (PRTs), to Alyeska Pipeline Service Company in Valdez, Alaska.
Aware and her two sisterships — Attentive and Alert — have been specifically designed and developed for Alyeska Pipeline Service Company by Crowley for use in the Trans Alaska Pipeline System trade. Alert was delivered to Alyeska in February and Attentive was delivered in June.
The three PRTs are deployed in Circle 302 on Reader Service Card Alyeska's Ship Escort Response Vessel System (SERVS), serving as tanker escorts in Prince William Sound.
The mission of Alyeska/SERVS is to prevent oil spills by assisting tankers in safe navigation through Prince William Sound, and to protect the environment by providing rapid and effective response services to the Valdez Marine Terminal and Alaska crude oil shippers.
During sea trials, Aware generated a certified bollard pull of 305,000-lbs. and a free running speed in excess of 16 knots. The PRTs are powered by twin Caterpillar 3612B engines generating the combined 10,192-hp driving two Kamewa Aquamaster azimuthing thrusters. They are also equipped for firefighting, emergency response and oil spill recovery equipment.
The PRT trio was designed by Seattlebased Guido Perla and Associates and built at Dakota Creek Shipyard in Anacortes.
Wash., for Vessel Management Services, a Crowley Maritime subsidiary that owns and leases vessels. The vessels have oil spill recovery and storage capability for up to 43,000 gallons of recovered oil. Design features include accommodations for up to 16 personnel, Schuyler tendering, a Markey TDS-40 towing winch. Step Warmfloor (tm) heated decking. 3,000 ft. of oil recovery boom, and on-deck stowage for two oil spill recovery skiffs.
Circle 8 on Reader Service Card
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- PTC Launches New CAD/CAM Shipbuilding Solution page: 25
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