Seattle-based naval architecture and marine engineering company Jensen Maritime, was recently selected to provide the ABS Class and functional designs for two, new 120ft twin screw tugboats for Ice Flow, LLC dba Nichols Brothers Boat Builders (NBBB) and Kirby Offshore Marine, LLC.

The two 120ft by 35ft tugboats, which will be used for tow operations, will be powered by two Caterpillar 3516C 2,447bhp at 1600 rpm main engines with Reintjes reduction gears turning two NautiCAN fixed-pitch propellers with fixed nozzles.

The vessels will also have two C7.1 Caterpillar generators for electrical service, one TESD-34 Markey tow winch, one CEW-60 Markey electric capstan and one Smith Berger Town Pin.

Keels will be laid for both vessels this year with complete vessel delivery scheduled for May and November 2017. Both vessels will be fully classed by ABS and compliant with U.S. Coast Guard, as required at delivery.


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