Brazil’s Estaleiro Rio Maguari (ERM) shipyard has delivered its first ASD (azimuthing stern drive) tug, the Svitzer Arthur. Designed by Robert Allan Ltd., it’s the first of a sequence of six tugs of the identical RAmparts 2300-ERM design at present underneath development on the shipyard for Svitzer Brazil.
The RAmparts 2300-ERM ASD design is optimized for optimum effectivity in ship-handling operations in harbors. With an total size of 23.2 meters, the tug contains a raised forecastle deck for safer operations in heavier climate. Operational requirement are met with a single drum hawser winch, from Ibercisa Deck Machinery, and heavy responsibility cylindrical fendering on the bow.
Key particulars of the RAmparts 2300-ERM are:
- Length, total (excluding fenders): 23.2 meters
- Load Line size: < 24.0 meters
- Beam, molded: 11.4 meters
- Depth, least molded: 4.4 meters
- Maximum draft (navigational): 5.5 meters
- Gross tonnage: < 300
Main tank capacities at 100% are:
- Fuel oil: 65 cubic meters
- Potable water: 12 cubic meters
The ASD tugs within the sequence are designed and constructed to the next ABS Notation:
✠ A1, Towing Vessel, ✠ AMS, ✠ ABCU, Unrestricted Navigation, UWILD, PMP-CBM for Thrusters Only
Propulsion equipment consists two MTU 16V4000M63 foremost diesels and two Kongsberg US205S FP, 2,800 mm diameter Z-drives
Ship-handling fenders on the stern encompass a row of W-fenders. Sheer fendering consists of “D” rubber and “W” block kind fendering on the bow.
The lodging for a crew of six have been outfitted to a excessive commonplace for crew consolation. The deckhouse accommodates an entrance foyer with a public WC, galley, mess, and one officer cabin with ensuite WC. The decrease deck accommodates two double cabins with ensuite WC, and a further officer cabin with ensuite WC. The wheelhouse is designed with a single cut up ahead management station which supplies most all-round visibility with distinctive visibility to the bow and facet fendering, in addition to operations on the ahead deck.
Trial outcomes had been as follows:
- Bollard pull, forward = 71 tonnes
- Bollard pull, astern = 69 tonnes
- Free working velocity, forward = 13 knots
Svitzer has been working in Brazil since 2015 and now has a presence throughout eight ports within the nation, probably the most lately added being the Port of Salvador, together with Aratu Port Complexes.
The six ASD tug newbuild program at Estaleiro Rio Maguari is a part of Svitzer’s normal growth in Brazil and to help the corporate’s continued natural progress.