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Naval Ships and Operating Systems
 
FIRST ARCTIC AND OFFSHORE PATROL SHIP ASSEMBLED AT HALIFAX SHIPYARD
Friday, December 8, 2017
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RCN’s first AOPS, the future HMCS Harry DeWolf

Source: CNW Group/Irving Shipbuilding Inc


RCN’s first AOPS, the future HMCS Harry DeWolf

Source: CNW Group/Irving Shipbuilding Inc


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HALIFAX - The Royal Canadian Navy's first Arctic and Offshore Patrol Ship (AOPS), the future HMCS Harry DeWolf, is now assembled at Irving Shipbuilding's Halifax Shipyard.

On Dec. 8, 2017, the bow section of the first AOPS was transported on heavy lift transporters from inside the Halifax Shipyard's indoor shipbuilding facility outside to land level. Work will continue over the coming weeks to fully join the bow mega-block and its components to the center and stern mega-blocks, which were transported to land level in July 2017.

"As the first ship of the class, having the future HMCS Harry DeWolf assembled at land level is a significant milestone for the National Shipbuilding Strategy, the AOPS program, and our 1,800 shipbuilders," said Kevin McCoy, president, Irving Shipbuilding.

With all three sections of the first AOPS joined, further outfitting of the ship will continue.

There are currently two AOPS, the future HMCS Harry DeWolf and the future HMCS Margaret Brooke, under construction at Halifax Shipyard, with steel cutting for the third AOPS, the future HMCS Max Bernays, scheduled for later this month.

The future HMCS Harry DeWolf is scheduled to be launched at Halifax Shipyard in summer 2018.

"It is clear that the National Shipbuilding Strategy is working. The Royal Canadian Navy's ships are being built by the best shipbuilders in the most modern shipbuilding facility in North America, Canada's shipbuilding industry is being reinvigorated, and Canadians are benefiting from coast to coast to coast," said McCoy.

To date, Halifax Shipyard and its major subcontractors have more than $1.9 billion in spending commitments with over 250 organizations across Canada as part of the Halifax Shipyard's facility modernization and AOPS program.

Halifax Shipyard's spending commitments span from Newfoundland and Labrador to British Columbia, including most provinces and territories in between such as Nunavut, Ontario and Quebec. The company forecasts more than $3.17 billion of economic activity across Canada between 2013-2022 from the Halifax Shipyard's facility modernization and AOPS construction.

Source:  Irving Shipbuilding
Associated URL: www.IrvingShipbuilding.com
Source Date: December 8, 2017
Posted: 12/11/2017

 
 
GE AND HUDONG-ZHONGHUA RECEIVE ABS AIP FOR LNG POWER SUPPLY VESSEL USING GAS TURBINE
Tuesday, December 5, 2017
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COmbined Gas turbine, Electric and Steam (COGES) system

Source: GE


COmbined Gas turbine, Electric and Steam (COGES) system

Source: GE


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SHANGHAI - GE’s Marine Solutions and Hudong-Zhonghua Shipbuilding Company (HZ) report they have received Approval in Principle (AiP) from ABS for their jointly developed design of a 100 MW LNG power supply vessel. The ship features GE’s COmbined Gas turbine, Electric and Steam (COGES) system the project participants announced today at the Marintec China 2017 industry trade exhibition.

According to GE’s Brien Bolsinger, Vice President, Marine Operations, "This AiP demonstrates the completion of the preliminary design of the 100 MW LNG power supply vessel based on our COGES system. This configuration is ideal for utilities and other applications that require power as the ship will export electricity to a land based electrical transmission system. Customers will get better environment performance, reliability inherited from GE’s aviation flight engines, and a more flexible, compact arrangement."

"We are glad to work with GE on this LNG power supply vessel design which relies on three installed COGES systems to handle the 100 MW power requirements. Thanks to GE’s modular COGES power trains, the vessel well accommodates three power trains on its upper deck with total 100 MW capacity, and could expand capacity by adding more power trains," said HZ General Manager Chen Jun. "Unlike traditional power barges, this ship features three LNG tanks (32,000 cbm total) for fuel supply so that additional fuel bunkering ships are no longer needed," he noted.

"The AiP of this joint development project demonstrates that ABS is always adapting new technologies and innovations," says Eric Kleess, ABS Division President and COO, "By awarding AiP to GE and HZ, we have acknowledged that this LNG power supply vessel is in compliance in principle with ABS standards and international regulations. We are confident that this joint design can provide a competitive power supply solution to customers."

This LNG power supply vessel is equipped with three sets of COGES systems. Each COGES system features one GE LM2500+ gas turbine generator, one heat recovery steam generator (HRSG) and one steam turbine generator (see Figure 1). The ship is equipped with two azimuth thrusters to move independently without tugboats.

GE and HZ

Separately, GE and HZ already received AiP from ABS for a jointly developed Liquefied Natural Gas (LNG) carrier design. This new 178,000 cubic-meter LNG carrier uses GE’s COGES system for all power and propulsion. The compact and lightweight COGES arrangement allows customers to realize an additional 4,000 m3 of LNG cargo space versus a traditional 174,000-m3 LNG carrier powered by dual fuel diesel engines. Since the GE gas turbine is fuel flexible and dual fuel capable, it can operate either on the carrier’s cargo of Boil Off Gas (BOG) or on Marine Gas Oil (MGO).

Gas Turbine Benefits

GE’s LM2500 family includes the base LM2500 model (25 MW), LM2500+ (30 MW) and LM2500+G4 (35 MW). These same gas turbines are used onboard cruise ships, high speed yachts, fast ferries and offshore platforms, as well as by 35 navies worldwide. Three sizes of LM2500 gas turbines offer the flexibility to adapt the COGES power to specific ship size and the ability to optimize performance.

Marine turbines are dual fuel capable and can operate on various fuels including LNG, MGO and Liquid Petroleum Gas (LPG). The engines are able to handle wide gas variations. Equipped with a dry low emissions (DLE) combustor or single annular combustor (SAC), a gas turbine can reduce nitrogen oxides (NOx) emissions to meet IMO Tier III/United States Environmental Protection Agency Tier IV requirements with no post combustion exhaust treatment.

Customers can expect lower life cycle costs with a COGES system thanks to negligible lubricating oil consumption, no methane slip and no pilot fuel or exhaust treatment required. Maintenance is easy since little is required with COGES; only about 300 man-hours per year while the ship is underway. When more extensive maintenance is needed, the entire turbine can be removed and replaced within 24 hours, reducing downtime and enabling maintenance to be carried out with minimal interruption to ship operations.

Source:  GE Marine Solutions
Associated URL: https://www.gemarinesolutions.com/content/ge-and-hudong-zhonghua-receive-abs-aip-lng-power-supply-vessel-using-gas-turbine
Source Date: December 5, 2017
Posted: 12/08/2017

 
 
NAVY’S ECASS ACHIEVES IOC AT NAS OCEANA
Tuesday, December 5, 2017
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Source: US Navy


Source: US Navy


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PATUXENT RIVER, Md. - The Common Aviation Support Equipment program office (PMA-260) achieved Initial Operational Capability (IOC) for the Navy’s electronic Consolidated Automated Support System (eCASS) Sept. 29 at Naval Air Station Oceana, Virginia. The milestone event was celebrated Oct. 11 with a ribbon-cutting ceremony conducted by Capt. Keith Nixon, commanding officer of Fleet Readiness Center Mid-Atlantic (FRCMA), and Capt. Thomas Dall, PMA-260 program manager.

In the next few years, more than 340 eCASS units will replace aging Consolidated Automated Support System (CASS) units, or be newly installed, on the Navy’s aircraft carriers, amphibious assault ships, and in the Aircraft Immediate Maintenance Departments, Fleet Readiness Centers, Foreign Military Sales, and the industrial base.

"For nearly 30 years, CASS has been the workhorse of the fleet," Dall said. "Replacing CASS with eCASS’ Automatic Test Systems (ATS) enables maintainers to meet growing operational and maintenance requirements and increased complexities to support legacy aircraft and future aircraft platforms. With new computers, modernized onboard test equipment and a Windows-based user interface, the eCASS transition will provide the fleet with speedier support at a reduced cost."

The advanced hardware and software, onboard fault detection and environmental monitoring system within eCASS provides station maintainers a more accurate picture when testing for faulty components. These improved troubleshooting procedures provide increased production and reduces the time required to complete periodic maintenance or troubleshooting.

When compared to the original CASS station, the eCASS footprint is significantly smaller thanks to a reduction in size of the internal electronic components. In addition, the internal components of eCASS were designed to allow the maintainer to effectively remove and replace faulty components from the front of the station, simplifying station repair.

eCASS also leads the mark in internal cooling compared to its predecessor. This increased cooling capacity no longer requires work centers to maintain a 55 to 65 degree threshold to maintain operation; eCASS has been proven to flawlessly operate at 66 to 76 degrees, reducing the facility cost of climate control.

With its updated components, decreased testing and maintenance times, a space-saving footprint and reduced facility requirements, the Navy’s new eCASS ATS stations are expected to reduce man-hours and production costs overall.

PMA-260 manages the procurement, development and fielding of Common Ground Support Equipment and Automatic Test Systems that supports every type/model/series aircraft within the Naval Aviation Enterprise.

Source:  Naval Air Systems Command
Associated URL: navy.mil
Source Date: December 5, 2017
Posted: 12/08/2017

 

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