Third RAmparts 2500 Tug for SMIT-Rebras

Posted by Eric Haun
Monday, July 21, 2014
SMIT Panará (Photo: Robert Allen Ltd.)

Keppel Singmarine BrasilLtda. (KSMB), of Navegantes, Brazil has recently completed the construction of the SMIT Panará, the third of a series of six Robert Allan Ltd. designed RAmparts 2500 tugs, for SMIT Rebocadores do Brasil (Rebras), of Rio de Janeiro. The SMIT Panará was delivered in May of 2014, and follows its sisters, the SMIT Pataxóand the SMIT Pareci.

The RAmparts Series is a standardized Z-drive tug design which was developed from a prototype vessel and refined to emphasize ease of construction and owners’ specific requirements. This particular design follows a series of twelve similar RAmparts 2500 Class tugs also designed by Robert Allan Ltd. for SMIT Rebras.

Robert Allan Ltd. worked closely with SMIT Rebras to develop this latest series, with significant changes including new engines complying with the latest IMO emissions standards, a new double drum towing winch and staple, a larger wheelhouse with improved visibility, a new streamlined skeg, updated fendering, increased fresh water capacity, and new electrical generators. The design retains the characteristic half-height raised forecastle which provides increased bow height for improved operations in exposed waters, and the same hull form providing maximum performance ahead and astern.
The principal particulars of the SMIT Panará are as follows:

Length overall: 24.4m
Beam, molded, extreme: 10.25m
Depth, least molded (hull): 4.07m
Maximum draft (DWL): 4.5m
Gross tonnage (GRT):2 71tons

The vessel has been built and classed to ABS notation, and Brazilian NORMAM requirements: ABS + A1 Towing Service, + AMS

The propulsion machinery consists of a pair of CAT 3512C HD high-speed engines, each producing 1,379 kW at 1,600 rpm, in compliance with IMO Tier 2 emissions requirements. This power is transmitted via a straight line shafting system to a pair of Schottel SRP 1012 fixed pitch azimuthing thrusters with 2,100 mm diameter propellers in nozzles. On trials, these tugs havemet or exceeded all performance expectations with the following results:

Bollard Pull, ahead: 46 metric tons
Free Running Speed, ahead: 2.2 knots

The SMIT Panará has the following design features:


•Fuel Oil: 75 m3
•Fresh Water: 12 m3

Bridge Deck:

•Wheelhouse: arranged to provide maximum all-round visibility, with overhead viewing windows, and a split console forward
•A chart table is located to Port, along with access to the deckhouse at main deck level below

Main Deck:

•Double drum winch and staple forward, towing hook and capstan aft
•Heavy bow fendering for ship-assist work
•Well-appointed cabin for two officers, with private facilities
•Mess / Lounge / Galley: Comfortable seating area with television and water cooler, adjacent to galley
•Deck lockers: Integral deckhouse locker, and additional lockers in bulwarks forward and aft
•Large escape hatches in accordance with NORMAM requirements
•Flush-mounted, parts access/removal deck hatches
•Large ventilation fan for providing fresh air to machinery space in hot local climate

Below Main Deck:

•Accommodation: Two quadruple (2 x 4) crew cabins, with shared lavatory facilities
•Laundry, bosun store, and additional fridge for cold stores

  • SMIT Pareci (Photo: Robert Allen Ltd.)

    SMIT Pareci (Photo: Robert Allen Ltd.)

  • SMIT Pareci (Photo: Robert Allen Ltd.)

    SMIT Pareci (Photo: Robert Allen Ltd.)

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