Page 54: of Maritime Reporter Magazine (November 2022)

In the Shipyard

Latest Deliveries, Contracts and Designs

SAAM to build RAL-design Electra 2300-SX

AAM Towage closed an agree-

ElectRA 2300-SX Facts & Figures:

Length, o.a. 23.4m ment with Teck & Neptune Ter-

Beam, molded 11.85m

Sminals that will allow the deploy-

Depth, least molded 4.94m ment of the ? rst two electric tugs to its

Maximum draft 5.5m

Gross tonnage 295 tons ? eet. The ElectRA 2300SX tugs are

Bollard pull 70 tons designed by Vancouver-based Robert

Battery capacity 3,616 kWh nominal at beginning of life

Allan Ltd. and will be built at Sanmar

Shipyards in Turkey. Scheduled for de- livery during the second half of 2023, the new tugs will each be powered by two separate battery lithium-ion energy storage systems, making them 100% electric and zero-emissions ships. They will be charged by British Columbia’s

Image courtesy Robert Allan Ltd.

“With an overall length of 23 meters and a 70 tons bollard pull performance, the tugs will be highly capable of de- livering services to all terminals in the

Port of Vancouver,” said Sander Bik- kers, president and country manager of

SAAM Towage Canada.

SAAM’s ? eet of ship-docking tugs A customized skeg, speci? cally tuned ample space to work and minimal clut- in Vancouver is very well-utilized and to SAAM’s exacting preferences for ma- ter, in part due to the availability of an aft requires a battery electric tug to have a neuverability and controllability, is a ma- anchoring option. The Masters will revel large battery capacity to meet their ser- jor achievement of the design, according at the excellent sightlines afforded from vice needs. Time between missions can to RAL. After surveying SAAM’s local the steering position, including that of the be short, again suggesting high battery crews for the most desirable character- large diameter cylindrical fender forward.

capacity and relatively quick recharg- istics, Robert Allan Ltd. undertook a sea That fender extends well aft, thus pro- ing periods. trials program on two tugs in their local viding excellent cushioning for bow,

Space between the port’s “? nger ? eet, then built and validated dynamic bow quarter, and side contact with an piers” is limited, thus requiring a tug maneuvering models using computa- assisted vessel. The fendering system is of compact dimensions and exceptional tional ? uid dynamics (CFD). also designed to be exceptionally soft, maneuverability, yet also high bollard Airborne emissions of CO2 and other with both 20 and 25 tons per square me- pull to meet the needs of handling ever- products of combustion will be zero ter (at full bollard pull) options available larger commercial vessels. when operating on the batteries, which for selection.

With a nominal battery capacity of will be charged at dock from the local Another option available on the design 3,616 kWh, this compact, 23m length hydroelectric power grid. This charging is an FFV1 ? re-? ghting notation (2,400 design delivers exceptional endurance. capacity is customizable on all ElectRA m3/hr.) with both water spray and foam.

Zero-emission mission endurance is in accordance with customer needs. A pair of 940 ekW, IMO Tier III emis- several hours for normal operations, or The deckhands aboard will ? nd a ? ush sions compliant generators are aboard it can deliver its bollard pull of 70 tons working deck forward with a double- for powering this optional system and for up to a full hour. drum electric hawser winch. There is other ancillary functions.

54 Maritime Reporter & Engineering News • November 2022

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