New addition to the RAmpage ASD tug series – RAmpage 3700 – Doña Clary

September 4, 2012

In July, 2012 the tug Doña Clary was delivered to her owners Serviport S.A. of Colombia. Designed by Robert Allan Ltd. of Vancouver, Canada and built by Cotecmar shipyard in Cartagena, Colombia, Doña Clary is the first of the new RAmpage 3700 Class design. The vessel is designed with enhanced manoeuvring and sea-keeping capabilities and is fully equipped for ship-assist, long distance towing, fire-fighting, anchor-handling, cargo handling and other offshore support duties.



Particulars of the Doña Clary are as follows:


Length Overall:
Beam, Moulded:
Depth, Moulded:
Maximum Draft (to bottom of drive):
-37.47 metres
-13.50 metres
– 6.80 metres
– 5.50 metres approx.


Tank Capacities are as follows:


Fuel Oil:
Potable Water:
Main engine lube Oil:
Hydraulic oil:
Sludge tank:
Oily water:
Sanitary water:
Slop / Waste Oil:
Water ballast:
– 300 m³
– 70 m³
– 2 m³
– 3 m³
– 6 m³
– 6 m³
– 12 m³
– 150 m³
– 12 m³
– 205 m³


The tug is classed by Lloyd’s Register of Shipping with the following notation: ✠ 100A1 Tug, Fire-Fighting ship 1 (2,400 m³/hr) with waterspray, ✠ LMC, UMS

On trials the vessel performed exceptionally well, as predicted, achieving a sustained Bollard Pull of 73 tonnes ahead at full power, and a free running speed of 13.8 knots.

This RAmpage 3700 class tug has been outfitted to the highest standards for a crew of up to 17 people. The main deck features a mess/lounge, galley with dry store space and freezer, a common crew WC, laundry, three quad crew cabins and a single crew cabin. The deckhouse above contains four single crew cabins each with ensuite WC, and an HVAC space. The wheelhouse is designed for maximum all-round visibility with two control stations providing maximum visibility to both fore and aft deck working areas.

A large open aft deck is provided for anchor and cargo handling duties. The deck machinery comprises a single drum Hawser winch at the bow, and a water-fall type Towing Winch on the aft deck. Winches were supplied by A-Rim Machinery of Korea. Other deck machinery to fulfill operational requirements includes a stern roller, deck crane, tow hook and tugger winch.



Ship-handling fenders at the bow consist of a 900 x 450 cylindrical fender above a row of 450 mm “W” block fenders. A 350 x 350 hollow “D” fender provides protection at the main and foc’sle deck sheer lines. The fendering on the vessel was supplied by Lion Rubber Industries Pvt. Ltd.

Main propulsion comprises a pair of Caterpillar 3516C HD diesel engines, each rated 2240 kW at 1800 rpm, and each driving a Schottel SRP 1515 fixed pitch Z-drive unit. Manoeuvrability is enhanced with a 200 kW Schottel STT110 fixed pitch hydraulic bow thruster.

Fire-Fighting 1 capability is provided by a single fire pump driven off one of the main propulsion engines. This pump delivers water to two fi-fi monitors mounted on the wheelhouse top. The fire fighting system was provided by Fire Fighting Systems AS.

Electrical power is supplied by two Caterpillar C9 gensets, each rated 250 kW. Emergency power is provided by a Caterpillar C4.4 diesel genset, rated at 95 kW.

A rescue boat and davit is fitted for compliance with SOLAS requirements.



For more information on the Doña Clary, or any other high performance tugboat designs please contact us at