Nichols Brothers Boat Builders (NBBB), Freeland, Wash., is building four new 90-ton bollard pull tractor tugs for Foss Maritime, Seattle. The contract has an option for six additional tugs and marks the first agreement between the two companies.
Foss has selected a design by Jensen Maritime Consultants, Seattle. The 100’x 40′ Z-drive tractor tugs will be built to Coast Guard Subchapter M regulatory standards, with ABS loadline certification, and UWILD notation.
Main propulsion will come from two...
https://www.workboat.com/news/shipbuilding/nichols-brothers-building-four-new-tractor-tugs-foss/