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after a comprehensive local audit by American Bureau of Shipping (ABS), Bureau Veritas (BV), Chinese Classification Society (CCS), Det Norske Veritas (DNV), Germanischer Lloyd (GL), Korean Register of Shipping (KR), Lloyd’s Register (LR), Nippon Kaiji Kyokai (ClassNK), Registro Italiano Navale (RINA) and Russian Maritime Register of Shipping (RS). “This is an impressive show of confidence in that the ship classification societies that also regularly audit the MaK plants in Kiel and Rostock have given the Guangdong plant their ‘shop approval’,” explains Dr. Wolfgang Sprogis, Quality Director at Caterpillar Motoren. “The approval entails an enormous shortening of our lead times for the certificates of the ship classification societies, which we need for the series production of the marine engines.” Production processes, logistics and engine parts used in Guangdong meet the standard in Kiel or Rostock in every respect and thus benefit from the advance qualification from the classification societies. This shop approval entitles Caterpillar Motoren to stamp parts and certificates in the 14 name of specific classification societies, i.e. American Bureau of Shipping (ABS), Bureau Veritas (BV), Det Norske Veritas (DNV), Germanischer Lloyd (GL), Lloyd’s Register (LR), Registro Italiano Navale (RINA) and Russian Maritime Register of Shipping (RS). The Chinese Classification Society (CCS) does not offer any shop approvals, and Nippon Kaiji Kyokai (ClassNK) and Korean Register of Shipping (KR) are new to MaK marine engine classification. MaK M 25 for even higher performance Apart from the preparation for certification according to ISO 9001:2000, for works approval and for shop approval, the engine test required for these inspections was used to obtain a further type approval for a higherperformance version of the MaK series M 25 with 334 kW cylinder output. The measurement data recorded and evaluation of all results by the representatives of the ship classification societies met all requirements. Unlike the shop approval, which is only plantrelated, the type approval issued in A 9 MaK M 25 ready to delivery Guangdong automatically applies to all globally assembled marine engines of type MaK M 25 with an output of 334 kW/cylinder, so the plant in Kiel can also produce these type-approved higher-performance M 25 engines. The cylinder nominal outputs approved by the classification societies range from 300 kW to 330 kW and up to 334 kW, so there is an even wider deployment range for this marine engine MaK M 25 in the market. World class for the customer The bottleneck with engine availability has been removed according to Fernando Cantu: “By strengthening the activities in Guangdong, we are able to boost production of the MaK M 25 to meet demand. The customers of Caterpillar Marine Power Systems will undoubtedly benefit from shorter delivery times, and we will most certainly maintain the outstanding quality of the engine approved by the classification societies. In other words, we will guarantee top products from top plants, irrespective of where they are.”
Caterpillar Engines New engine plant for the „M/S Chi-Cheemaun“ No one could pretend that gazing into a crystal ball to divine the future of shipping might provide a reliable way of predicting how this transport market will develop in the next quarter of a century. But there are definite parameters that have very recently become very evident, and these can serve as an orientation basis for investment decisions for new ships or installation of new propulsion plants in vessels in order to offer some security that the particular system will be commercially viable for the projected period of use, no matter whether a privatesector or a public-sector asset is involved. The replacement of the entire main and auxiliary machinery of the Ro-Pax ferry “M/S Chi-Cheemaun” is based on a extended view of these principles with the aim of ensuring that the ship is equipped in such a way that it can satisfy the requirements and demands likely to made on it over the next 25 years. This also includes the consideration that this vessel will probably remain the only service provider on its special route. The “M/S Chi-Cheemaun” was built in 1974 by Collingwood Shipyard for Owen Sound Transportation Company, which was at that time owned by Ontario Northland, a state company concerned with creating a ship, rail and telecoms infrastructure in the northern Canadian province of Ontario. In the past 30 years, the “M/ S Chi-Cheemaun” has provided the vital ferry link between Tobermory on the Bruce Peninsula in Ontario and South Baymouth on the south-eastern tip of Manitoulin Island. It operates from mid-May to the end of October and has become increasingly popular for both passenger and freight transport as a convenient shortening of the route to or from the north while at the same time offering a good view of the beautiful landscape. With additional marketing initiatives, in recent years the ship has been The three new Caterpillar 3508B engines will provide a total power of 1800 kW offered for special cruises and use as a floating conference venue as well as for special events outside the regular schedule. The revenues thereby achieved have been reinvested in the vessel in order to offer the ferry passengers and users more comfort and thus a more attractive overall voyage. This reorientation has been due in particular to the greater customer focus after the shipping line was put under the Ontario Ministry of Northern Development and Mines. However, Owen Sound Transportation Company (OSTC), an Operational Enterprise Agency of the Province of Ontario, has full responsibility for ship management and marketing. Planning for a renewal of the entire engine plant began at the end of the 1990s, when it became obvious that the existing systems could no longer be economically operated for another 25 years. Although the machines had run very well with only little or no malfunctions, there were increasing concerns that downtimes caused by the operating time and thus repairs could be expected in future. Ferry operators are only too well aware that irregularities in schedules upset customers and thus result in financial losses. This prompted OSTC to install a new propulsion plant in the ship and upgrade many important relevant systems. Plant Management As the “M/S Chi-Cheemaun” operates in an area of exceptional natural beauty, one of the main considerations with the new engine plant was to achieve a significant reduction in emissions from the engine plant, i.e. NOx. OSTC was initially guided by the IMO Annex VI, but then decided to reach the limit values for marine engines exhaust gas emissions according to EPA Tier 1 even before its introduction by the Canadian government. In addition to this decision in favour of environmental protection, there was the need to reduce fuel and lube oil consumption. At the beginning of project planning, it was therefore decided to adopt a new engine plant design better oriented to the ship’s operating profile. As Brian Pyke, technical director of OSTC, comments: “As I’ve always worked as a marine engineer and inspector, I’ve witnessed a gradual consolidation trend among marine engine makers, and it’s clear that only a few large international suppliers will remain in the very near future. It was very important to select one from this small group, and we assessed all suppliers’ offers from this point of view. As regards service, we were generally more satisfied with North American makers than European companies, and this also played a part in our decision-making process.” The project also aimed to reduce the number of cylinders in the new engine plant, which prompted the decision to replace the 12-cylinder diesel bow thruster propulsion with a 500 hp alternating current motor with variable speed. This required an increase in ship mains capacity from 1,200 kW to 1,800 kW, which was made possible with the installation of three new Caterpillar 3508B/SR4B marine diesel units developing 1,200 1/min and 600 kW meeting the EPA Tier 1 regulations. These V8 cylinder plants replaced the original V12-cylinder ones and fitted very well in the cramped engine room. Two of these new units operating in 15
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