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词条 Dredger 1
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  1. See also

  2. References

{{Use dmy dates|date=April 2017}}{{Use Indian English|date=April 2017}}{{Infobox ship image
Dredger 1
Ship image=Ship caption=
}}{{Infobox ship class overview		Builders=*Tebma Shipyard LimitedIndia|naval}}Class before=Class after=Subclasses=Built range=In commission range=17 May 2015Total ships building=Total ships planned=Total ships completed=Total ships cancelled=Total ships status=activeTotal ships laid up=Total ships lost=Total ships retired=Total ships scrapped=Total ships preserved=
}}{{Infobox ship characteristics		Hide header=Header caption=Ship type= Grab-hopper Dredger shipShip displacement=44.15|m|ftin|abbr=on}}12.2|m|ftin|abbr=on}}2.9|m|ftin|abbr=on}}3.8|m|ftin|abbr=on}} [1]Ship propulsion=2 × Cummins KTA38-M 1000 Hp EnginesShip speed=Ship range=Ship complement=Ship equipment= 320 Hp Cummins-855 forward-mounted craneShip aircraft=Ship aircraft facilities=Ship cargo capacity= 300 cubic metres dredged materialShip notes=
}}

The first exclusively owned dredger ship of its type in the Indian Navy; the indigenously built ship is meant for dredging the various navy ports. The ship was designed to meet precise deepening requirements around the dockyard and port installations and in riverine or other places where deepening is needed.[2] The ship which can hold up to 300 cubic metres or 500 tons of dredged material, has a set of 8 openable hopper bottom doors for disposal of dredged material out at sea.[3] The main equipment of the ship is a 320-HP Cummins-855-powered forward-mounted crane supplied by Titagarth Wagons. The crane’s 15.2-meter boom has a working radius of 12 meters and hoisting capacity of 10.5 metric tons at a 46-degree boom angle. The crane’s grab bucket has 3-cubic-meter capacity and holds up to 4.5 metric tons of dredged material; and is capable of dredging up to depths of 10 meters.[4]

Built by Tebma Shipyard Limited, the ship based out of Mumbai has a 90% locally sourced content, much more than the usual 50% thanks to the Make in India initiative started by PM Narendra Modi.[5][6] The dredger built at Tebma's Malpe facility in Karnataka is a self-propelled grab-hopper dredger that can discharge dredged material through eight hopper doors controlled by hydraulic rams and chains over pulley out at sea. Grab-hopper dredgers generally produce minimal turbidity and less disturbance to marine ecosystem.[7][8][9]

Indian Navy which used to outsource its dredging operations had floated a tender for its 1st exclusively owned dredger in 2012, and Tebma shipyard had won the bid in 2013. This dredger is the 22nd vessel built by the company for the Indian Navy, having previously supplied tugs and special purposes barges.[10][11][12]

See also

  • List of active Indian Navy ships

References

1. ^{{Cite web|title=Tebma Shipyard delivers first dredger to the Indian Navy|url=http://www.bairdmaritime.com/index.php?option=com_content&view=article&id=16945:tebma-shipyard-delivers-to-the-indian-navy-its-first-dredger-&catid=74&Itemid=66}}
2. ^{{Cite web|title=Indian Navy Dredger Completes Successful First Year|url=https://www.marinelink.com/news/successful-completes408466}}
3. ^{{Cite web|title=Tebma Dredger for Indian Navy|url=http://www.dredgingtoday.com/2015/03/30/tebma-dredger-for-indian-navy/}}
4. ^{{Cite web|title=Indian Navy Dredger Completes Successful First Year|url=https://www.marinelink.com/news/successful-completes408466}}
5. ^{{Cite web|title=Tebma Shipyard delivers first dredger to the Indian Navy|url=http://www.bairdmaritime.com/index.php?option=com_content&view=article&id=16945:tebma-shipyard-delivers-to-the-indian-navy-its-first-dredger-&catid=74&Itemid=66}}
6. ^{{Cite web|title=Indian Navy takes first dredger from Chennai-based Tebma Shipyards|url=http://economictimes.indiatimes.com/news/defence/indian-navy-takes-first-dredger-from-chennai-based-tebma-shipyards/articleshow/47316275.cms}}
7. ^{{Cite web|title=INDIGENOUSLY BUILT DREDGER READY TO BE INDUCTED IN INDIAN NAVY|url=http://www.indiandefensenews.in/2015/03/indigenously-built-dredger-ready-to-be.html}}
8. ^{{Cite web|title=Indian Navy Dredger Completes Successful First Year|url=https://www.marinelink.com/news/successful-completes408466}}
9. ^{{Cite web|title=Tebma Shipyard delivers first dredger to the Indian Navy|url=http://www.bairdmaritime.com/index.php?option=com_content&view=article&id=16945:tebma-shipyard-delivers-to-the-indian-navy-its-first-dredger-&catid=74&Itemid=66}}
10. ^{{Cite web|title=Indigenously built dredger ready to be inducted in Indian Navy|url=http://www.dailyexcelsior.com/indigenously-built-dredger-ready-to-be-inducted-in-indian-navy/}}
11. ^{{Cite web|title=Indian Navy takes first dredger from Chennai-based Tebma Shipyards|url=http://economictimes.indiatimes.com/articleshow/47316275.cms}}
12. ^{{Cite web|title=Tebma Dredger for Indian Navy|url=http://www.dredgingtoday.com/2015/03/30/tebma-dredger-for-indian-navy/}}

3 : 2010 ships|Naval ships of India|Dredgers
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