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Shipyards boats will be operated by Hornblower NY for the new Citywide Ferry Service, which will add five new routes on the East River starting next summer. Last month, the hull of the Capt. Brian A. McAllister, the first of two 100 ft escort tugs for McAllister Towing & Transportation, was flipped and set on the shipbuilding ways at Horizon Shipbuilding. McAllister could build as many as four of the tugs. Prior to the flip, Horizon installed all

major pipe runs and manifolds, fabrication and installation of cable trays and bulkhead penetrations and fender installation. With the hull now set on the ways, Horizon will be able to set the pre-fabricated and outfitted superstructure. D e s i g n e d by Jen s en Ma r it ime , the 100 ft x 40 ft escort/rescue tugs are powered by two Caterpillar 3516E Tier 4 engines with Schottel SRP4000 FP azimuth thrusters. The package will produce a total of 6,770 hp and

80 metric tons of bollard pull. The tugs are classified ABS Maltese Cross A-1 Towing, Escort Service, FiFi 1 and Maltese Cross AMS. The Capt. Brian A. McAllister is scheduled for a spring 2017 delivery from the shipyard.

Chouest Orders 13 Escort Tugs This past July, The Alaska Journal reported that Edison Chouest Offshore (ECO) would add new vessels to its fleet when it takes over the oil tanker escort and spill response duties out of Valdez in July 2018. The newspaper quoted Linda Leary, President of Edison Chouest Alaska subsidiary Fairweather LLC as saying that ECO would take advantage of its in-house shipbuilding capabilities to execute its 10-year ship escortresponse vessel system, or SERVS, contract with Aleyska Pipeline Service Co. That came true in a big way last month, when ECO announced it would team with Damen Shipyards to build a total of 13 heavy duty mooring assistance and escort tugs. Based on proven Damen designs, the tugs would be deployed for two new contracts won by ECO.

ECO would take advantage of its in-house shipbuilding capabilities The first of these is a contract won by ECO earlier this year with a new Corpus Christi, TX, LNG export terminal. The agreement is for the supply of four escort tugs with a bollard pull of 80 tonnes, to operate at the terminal in Texas, which is currently under construction. The Damen tugs will be of the well proven escort/mooring ASD 3212 design. The other is for SERVS, which will require nine, high-powered escort tugs. Damen and ECO will work together to deliver four more ASD 3212 tugs with a bollard pull of 70 tonnes each and five of the most powerful ASD tugs ever built — the ASD 4517. With a bollard pull of more than 150 tonnes, the ASD 4517 is a joint Damen and ECO-developed escort tug specifically designed for Prince William Sound. The vessels will be built at ECO’s shipyards on the Gulf Coast and Damen’s support and expertise. 36 Marine Log // November 2016

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