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Oceangoing towage tug design unveiled
Naval architects at Glosten have developed a new design of oceangoing tug for long distance and emergency towage
This 37-m tug can be employed to tow ships and deck barges of up to 20,000 dwt across oceans and for moderate-duty anchor handling and salvage operations.
This CT-120 design has a beam of 12 m, a depth of 7 m and power of 5,070 kW for bollard pull up to 95 tonnes.
Glosten said it can accommodate powerful medium-speed engines and an exhaust gas treatment unit, including a large selective catalytic reduction module to remove NOx and diesel particulate filters, enabling these tugs to comply with IMO Tier III and US Environmental Protection Agency emissions requirements.
Large stack casings adjoin the deckhouse, substantial tank capacity is provided to support long-range towing operations, and cofferdams are included to allow methanol conversion if required.
Its propulsion could include azimuth thrusters or conventional twin propellers at the stern, while optional tunnel thrusters in the bow and skeg would enable dynamic positioning.
Glosten added options for a single or double-drum tow winch and modest anchor handing capability to support a range of offshore installation projects for oil and gas and renewables.
This design has already garnered interest from executives of major tug owners in the US, including from Crowley, TradeWinds Towing and Cook Inlet Tug & Barge.
Glosten consulted with other companies while developing the design of CT-120 including Western Towboat, Schuyter Rubber and Schottel.
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