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Chemical tanker: Latest Wärtsilä design
Tuesday, 11 November 2014 00:00

 In the latest version of its SK 5054 design for small chemical tankers, Wärtsilä has stressed the use of gas as a marine fuel while focusing on crew safety. Wärtsilä In the latest version of its SK 5054 design for small chemical tankers, Wärtsilä has stressed the use of gas as a marine fuel while focusing on crew safety. WärtsiläFinland’s Wärtsilä has introduced its SK 5054 Mk.II enhanced design for a chemical and oil products tanker as a further development of its successful SK 5054 design. The original design has been used for more than 60 vessels which are in operation, but the updated version incorporates new technologies, particularly the use of gas as a marine fuel. The latest design version also offers a 12 per cent increase in energy efficiency over the original and incorporates an efficient cargo-handling arrangement.

There is also a strong focus on crew safety and ease of maintenance aboard. According to Riku-Pekka Hägg, Vice President, Wärtsilä Ship Design, the SK 5054 MkII version effectively ‘raises the bar’ in terms of innovative designs that emphasise operational efficiency and environmental sustainability.

 
BULKERS: Stena slow steaming
Tuesday, 04 November 2014 00:00

Stena Bulk has been  using technological innovations  as well as ‘optimum speed’ to keep  the cost of operating its Suezmax tankers as low as possible. StenaStena Bulk has been using technological innovations as well as ‘optimum speed’ to keep the cost of operating its Suezmax tankers as low as possible. StenaStena Bulk, which operates a number of in-house designed Suezmax tankers, has adopted slow steaming as well as a number of technological innovations to keep its fuel costs as low as possible. These have included adjusting a vessel’s propeller and bulb to its actual projected service speed, as well as adding stern tubes and fins to enhance water flow. This is because of the high cost of bunker fuel, which now accounts for more than 60 per cent of the freight cost in today’s market.

Companies are trying to operate their vessels as energy-efficiently as possible. In the case of a 160,000dwt Suezmax tanker, the freight rate must average $40,000 per day over time to justify a speed increase of just 0.5 knots. In other words, the freight rate must be doubled before even a small speed increase can be made. This is resulting in vessels spending more of their time sailing at an ‘optimum speed’. JS

 
Heavylift: Unusual cargo for Rickmers
Tuesday, 21 October 2014 00:00

The heavy-lift, break-bulk and project cargo vessel Rickmers Singapore loaded six large railway cranes in Hamburg in August for delivery to Xingang in China. The Super-Flex heavylift vessel can lift up to 640 tonnes. DunelmThe heavy-lift, break-bulk and project cargo vessel Rickmers Singapore loaded six large railway cranes in Hamburg in August for delivery to Xingang in China. The Super-Flex heavylift vessel can lift up to 640 tonnes. DunelmKirow is a market leader for railway cranes and a long-term supplier of Chinese Railways. Recently it had an order for six type KRC 2880 cranes to ship to Xingang. The cranes were transported to the Wallmann Terminal in the Port of Hamburg by barge and road transport, and were then loaded on board the 2002-built Super Flex heavylift vessel Rickmers Singapore, which can lift up to 640 tonnes and is one of nine identical vessels operating on the Rickmers Round-the-World Pearl String service.

A further 20 of the type KRC 1680 cranes are to follow in 2015. Rickmers-Linie, the Hamburg-based carrier, specialises in break-bulk, heavylift and project cargoes. The 30,018dwt, Marshall Islands-flagged Rickmers Singapore is expected to deliver her heavy load in Xingang in late October.

 
BULKER: Ecoships’ eco design
Thursday, 16 October 2014 10:48

Ecoships’ new Greenlotus 32 design for a 32,000dwt bulk carrier promises a fuel consumption of just 15.6 tonnes per day at 14 knots. EcoshipsEcoships’ new Greenlotus 32 design for a 32,000dwt bulk carrier promises a fuel consumption of just 15.6 tonnes per day at 14 knots. EcoshipsEcoships, the technical ship management arm of London-based Newport Shipping Group, has introduced a new bulk carrier design, the Greenlotus 32, which is centred on a 32,500dwt geared, wide-hatched Handysize bulk carrier that will be able to meet existing and future CO2, NOx, and SOx emissions regulations.

The 170.9m by 27m ship has been optimised for energy-efficient operation using computational fluid dynamics and finite element analysis in its design engineering. The vessel will also feature built-in technology for voyage and weather routing as well as trim optimisation.

A service speed of 14 knots will be provided by a de-rated, Tier III-compliant MAN B&W SG50ME-B9 two-stroke main engine driving a large-diameter fixed-pitch propeller. This will give a heavy fuel oil consumption rate of just 15.6 tonnes per day at 14 knots and 7.6 tonnes per day at 11 knots.

 
HEAVY LOAD CARRIER: Zhen Hua bridges the gap
Tuesday, 07 October 2014 00:00

The heavy load carrier Zhen Hua 24 bringing the second load of 24,500 tonnes of structural steel for a new road bridge across the Forth. Iain McGeachyThe heavy load carrier Zhen Hua 24 bringing the second load of 24,500 tonnes of structural steel for a new road bridge across the Forth. Iain McGeachyOn 13 August the heavy load ship Zhen Hua 24 arrived in Rosyth from Shanghai with a cargo of large steel deck sections destined for the Queensferry Crossing, the new road bridge across the river Forth. The ship is one of the largest ever to call at the Fife port.

She discharged 36 sections of bridge, weighing about 350 tonnes each, the following day. The 48,184dwt Zhen Hua 24 is one of Zhenhua Shipping’s 22-strong fleet used for transporting assembled heavy equipment. They range from 60,000 to 100,000dwt, include four semi-submersible type and self-propelled ships and currently number Zhen Hua 8 to 29.

The construction of the bridge has reached the halfway stage, and the £1.45 billion project will open in 2016. Zhen Hua 24 was rebuilt in 2007 from the 1986-built tanker Regent. RC

 
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