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词条 Left Coast Lifter
释义

  1. Operational history

     Bay Bridge  Tappan Zee Bridge  Spuyten Duyvil Bridge 

  2. Design

  3. See also

  4. References

  5. External links

{{Infobox ship image
Ship image= Left Coast Lifter (D 016).jpgShip caption= Left Coast Lifter at work on the Bay Bridge
28 May 2011
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}}{{Infobox ship characteristics		Hide header=Header caption=Ship class= Floating barge craneShip tonnage = 7695Ship displacement=384|ft|m|0}}99.8|ft|m|0}}Ship height=22|ft|m|0}}Ship draft=Ship ice class=Ship sail plan=Ship power=Ship propulsion= noneShip speed=Ship capacity=Ship crew=Ship notes=
}}

Left Coast Lifter is a floating derrick barge or sheerleg which was built to assist in the eastern span replacement of the San Francisco–Oakland Bay Bridge. The barge carries a shear legs crane which is the largest barge crane ever used on the U.S. West Coast. The barge's name is taken from "Left Coast", a slang term for the West Coast of the United States (which appears on the left side of a typical map and also refers to the region's liberal, or "left leaning", political tradition).

Operational history

Left Coast Lifter was built for the American Bridge/Fluor joint venture (ABFJV),[2] which was the lead contractor on the self-anchored suspension eastern span replacement. The barge was built in Portland, Oregon by U.S. Barge, LLC[3] and ferried to Shanghai, where it was fitted with a shear-leg crane manufactured by Shanghai Zhenhua Port Machinery Co. Ltd (ZPMC). The completed sheerleg was ferried back to the United States on a semi-submersible heavy-lift ship, Zhen Hua 22 (IMO 8106446). The total cost was approximately {{USD |50000000 |2009 |round=-4 |link=yes}}.[4]

Before Left Coast Lifter was fitted out with the crane for bridge construction, it was deemed to violate the Jones Act, specifically in that since the integral crane would be built and installed in China, it could not be used to transport goods by water between U.S. ports. Therefore its first job, prior to installation of the crane, was to haul dredged materials to Long Beach.[5]

Bay Bridge

After Left Coast Lifter arrived at the Bay Area in March 2009,[6] it was used to place pre-fabricated falsework truss sections and the 28 box girder deck sections.[7][8] Before the heavy deck sections for the Bay Bridge were lifted, Left Coast Lifter raised a sunken tugboat in August 2009, USS Wenonah.[9] The first deck section was lifted in February 2010,[10] and the last deck section was lifted in October 2011.[11]

Tappan Zee Bridge

American Bridge/Fluor solicited offers for Left Coast Lifter in 2012, after the conclusion of its work on the Bay Bridge.[12] A consortium of companies, Tappan Zee Constructors (TZC, a joint venture of Fluor, American Bridge, Granite and Traylor Brothers), purchased the crane barge, which gave them a competitive edge in the bidding process for the construction of the Tappan Zee Bridge replacement across the Hudson River.[13] Reportedly, according to the purchase agreement between TZC and ABFJV, Left Coast Lifter will be returned to ABFJV once the work on the Tappan Zee Bridge is completed.[14][15]

Now nicknamed I Lift NY, the barge is still officially registered with the U.S. Coast Guard as Left Coast Lifter. The crane departed San Francisco Bay under tow in December 2013, transited the Panama Canal in January 2014,[16] and arrived at Jersey City at the end of January.[17] There it was refitted with an upgraded control system[18] before arriving at the job site in October 2014.[19] Left Coast Lifter made its first lift on the new Tappan Zee bridge in April 2015,[20] a steel-reinforced concrete pile cap which will form part of the bridge's foundation.

The massive crane was being used for heavy lifts of large bridge sections,[21] and placed the final steel girder for the new Rockland-bound (westbound) span in October 2016.[22] The final lift for the eastbound span to Westchester was completed in April 2018.[23] Between and after the assembly of the new bridge spans, Lifter was also used for heavy lifts during the dismantlement of the old structure at that location.[24][25]

Spuyten Duyvil Bridge

Left Coast Lifter was also used for a heavy lift during the summer 2018 maintenance of the Spuyten Duyvil Bridge; the crane moved the swing section of the bridge onto a barge in June to facilitate work on electrical and mechanical equipment that had been damaged during Hurricane Sandy.[26] The bridge was returned in August, once refurbishment was complete.[27]

Design

Liftech Consultants assisted ABFJV with design review for the crane, including developing the technical specifications sent to ZPMC.[28] The project received three Excellence in Structural Engineering awards:

  • 2010 Award of Excellence for Special-Use Structures, from the Structural Engineers Association of Northern California[29]
  • 2010 Award of Merit for Special-Use Structures, from the Structural Engineers Association of California[30]
  • 2011 Outstanding Project, from the National Council of Structural Engineers Associations[31]

While transporting the sheerleg, the heel pin support may be moved towards the bow of the barge in order to lower the boom and the overall profile of the barge, facilitating transport.

The shear-leg crane on Left Coast Lifter has a {{convert |328|ft|m|0|adj=on}} long boom, weighing {{convert |992|ST|MT|0}} with a {{convert |1873|ST|MT|0|adj=on}} lift capacity.[3] It is the largest barge crane ever used on the U.S. West Coast.

See also

  • Big Blue
  • Breakwater Crane Railway
  • Finnieston Crane
  • Fairbairn steam crane
  • Kockums Crane
  • Mastekranen
  • Samson & Goliath
  • Taisun
  • Titan Clydebank

References

1. ^{{cite web |url=http://shipbuildinghistory.com/history/shipyards/5small/active/usbarge.htm |title=Vigor Fab, Portland OR |author=Colton, Tim |date=28 July 2016 |website=Shipbuilding History |accessdate=4 August 2016}}
2. ^{{cite web |url=http://www.fluor.com/projects/pages/projectinfopage.aspx?prjid=2 |title=FLUOR Projects: CALTRANS San Francisco-Oakland Bay Bridge Construction |author= |date= |website=FLUOR |accessdate=11 February 2015 }}
3. ^1 {{cite press release |url=http://baybridgeinfo.org/sites/default/files/press_release_pdf/shear_leg_crane_barge_press-release.pdf |title=Bay Bridge Construction Enters Momentous Stage As Giant Crane Barge Makes Historic Entry |author= |date=12 March 2009 |location=San Francisco |accessdate=10 February 2015 }}
4. ^{{cite news |url=http://www.sfgate.com/bayarea/article/Bay-Bridge-gets-a-whopping-crane-3248171.php |title=Bay Bridge gets a whopping crane |author= |date=13 March 2009 |newspaper=San Francisco Chronicle |accessdate=12 February 2015 }}
5. ^{{cite news |url=http://www.insidebayarea.com/localnews/ci_8333854 |title=Coast Guard OKs barge for giant Chinese crane |author=Vorderbrueggen, Lisa |date=22 February 2008 |newspaper=Inside Bay Area |accessdate=11 February 2015 }}
6. ^{{cite web |url=http://www.mtc.ca.gov/news/info/crane.htm |title=Massive "Left Coast Lifter" Crane Arrives in San Francisco Bay |author=Betts, Karin |date=12 March 2009 |website=Metropolitan Transportation Commission |accessdate=12 February 2015 }}
7. ^{{cite web |url=http://blogs.sfweekly.com/thesnitch/2009/03/pssst_buddy_you_wanna_buy_a_gi.php |title=Pssst, Buddy: You Wanna Buy a Giant Crane? |website=SF Weekly |date=13 March 2009 |author=Eskenazi, Joe |accessdate=11 February 2015 }}
8. ^{{cite news |url=http://www.mercurynews.com/ci_23320626/left-coast-lifter-set-leave-bay-area-after |title=Left Coast Lifter Set to Leave Bay Area after Bay Bridge work |author=Vorderbrueggen, Lisa |date=28 May 2013 |newspaper=Contra Costa Times |accessdate=11 February 2015 }}
9. ^{{cite web |url=http://www.fluor.com/SiteCollectionDocuments/American_Bridge_Fluor_Help_Prevent_Emergency_Response_Environmental_Hazard_.pdf |title=ABFJV Helps Prevent Serious Environmental Hazard |author= |date=2009 |website=FLUOR |accessdate=11 February 2015 }}
10. ^{{cite web |url=http://www.mtc.ca.gov/news/photos/obg.htm |title=Historic Lift of First Self-Anchored Suspension Span Section for New Bay Bridge East Span |author=Rokeach, Barrie |date=3 February 2010 |website=Metropolitan Transportation Commission |accessdate=12 February 2015 }}
11. ^{{cite journal |url=http://www.fhwa.dot.gov/publications/publicroads/12septoct/01.cfm |title=Bridging the Bay |author1=Bobb, Nancy E. |author2=Kolle, Greg A. |publisher=Federal Highway Administration |docket=FHWA-HRT-12-006 |volume=76 |number=2 |date=September–October 2012 |journal=Public Roads }}
12. ^{{cite web |url=http://www.marcon.com/library/newsletters/2012/spring2012/workhorse-barge4.pdf |title=Barges: An Overview of the Workhorses of the Marine Industry |author=Beegle, Bob |date=Spring 2012 |website=Marcon International |accessdate=11 February 2015 }}
13. ^{{cite news |url=https://www.nytimes.com/2014/01/28/nyregion/muscular-west-coast-worker-is-on-way-to-build-new-tappan-zee.html?_r=0 |title=Muscular West Coast Worker Is on Way to Build New Tappan Zee |author=Berger, Joseph |date=27 January 2014 |newspaper=The New York Times |accessdate=11 February 2015 }}
14. ^{{cite news |url=http://www.sfgate.com/bayarea/matier-ross/article/50-million-Bay-Bridge-crane-given-to-builders-5849214.php |author1=Matier, Phil |author2=Ross, Andrew |title=$50 million Bay Bridge crane given to builders for free |date=27 October 2014 |newspaper=San Francisco Chronicle |accessdate=12 February 2015 }}
15. ^{{cite news |url=http://www.lohud.com/story/news/local/tappan-zee-bridge/2014/10/28/california-paid-super-crane-revives-coastal-rivalry/18033463/ |title=California's super crane revives coastal rivalry |author=Juva-Brown, Theresa |date=30 October 2014 |newspaper=Lower Hudson Journal News |accessdate=12 February 2015 }}
16. ^{{cite web |last=Weiller |first=Daniel |title=‘I LIFT NY’ SUPER CRANE TRANSITS PANAMA CANAL, CONTINUES TOWARD NEW NY BRIDGE PROJECT SITE |url=http://www.newnybridge.com/news/2014/2014-01-15-floating-crane.html |publisher=New York State Thruway Authority |accessdate=27 April 2014 |date=January 15, 2014}}
17. ^{{cite news |url=http://newyork.cbslocal.com/2014/01/30/monster-crane-arrives-in-nyc-to-help-build-new-tappan-zee-bridge/ |title=Monster Crane Arrives In NYC To Help Build New Tappan Zee Bridge |author= |date=30 January 2014 |publisher=CBS New York |accessdate=11 February 2015 }}
18. ^{{cite news |url=http://www.poughkeepsiejournal.com/story/news/2014/07/29/tappan-zee-bridge-crane/13348483/ |title=Tappan Zee Bridge: Left Coast Lifter gets tech upgrade |author=Juva-Brown, Theresa |date=30 July 2014 |newspaper=Poughkeepsie Journal |accessdate=11 February 2015 }}
19. ^{{cite web |url=http://enr.construction.com/products/equipment/2014/1009-left-coast-lifter-transits-tappan-zee-bridge.asp |title=Left Coast Lifter Clears Tappan Zee Bridge |website=Engineering News-Record |publisher=McGraw-Hill Construction |date=October 9, 2014 |accessdate=January 23, 2015}}
20. ^{{cite news |url=http://www.lohud.com/story/news/local/tappan-zee-bridge/2015/04/24/fast-facts-lift-ny-super-crane/26294313/ |title='Game changer' TZ crane makes 1st lift |author= |date= 26 April 2015 |newspaper=Lower Hudson Journal News |accessdate=11 March 2016 }}
21. ^{{cite news |url=https://www.nytimes.com/2014/10/07/nyregion/giant-floating-crane-reaches-tappan-zee-site.html?_r=0 |title=West Coast Weightlifter Arrives at Tappan Zee Site |author=Berger, Joseph |date=6 October 2014 |newspaper=The New York Times |accessdate=10 February 2015 }}
22. ^{{cite news |url=https://www.lohud.com/story/news/local/tappan-zee-bridge/2016/10/10/tappan-zee-bridge-super-crane/91852696/ |title=Tappan Zee Bridge's super crane taking a break |author=Coyne, Matt |date=10 October 2016 |newspaper=Lower Hudson Journal News |accessdate=2 October 2018}}
23. ^{{cite news |url=https://www.newnybridge.com/last-lift-super-crane-installs-final-girder-assembly/ |title=Last Lift: Super Crane Installs Final Girder Assembly |date=18 April 2018 |work=The New NY Bridge: Progress Updates |accessdate=2 October 2018}}
24. ^{{cite news |url=https://www.newnybridge.com/double-duty-super-crane-balances-construction-and-dismantling-operations/ |title=Double Duty: Super Crane Balances Construction and Dismantling Operations |date=11 April 2018 |work=The New NY Bridge: Progress Updates |accessdate=2 October 2018}}
25. ^{{cite web |url=https://newsroom.fluor.com/blog/projects/fluor-uses-super-crane-deconstruct-tappan-zee-bridge-across-hudson-river-ny |title=Fluor Uses Super Crane to Deconstruct Tappan Zee Bridge Across Hudson River in N.Y. |date=30 November 2017 |website=Fluor Newsroom [blog] |accessdate=2 October 2018}}
26. ^{{cite news |url=https://www.lohud.com/story/news/local/tappan-zee-bridge/2018/06/14/tappan-zee-bridge-supercrane-tapped-help-amtrak-track-work/702852002/ |title=Left Coast Lifter tapped to help Amtrak with track work |author=Coyne, Matt |date=14 June 2018 |newspaper=Lower Hudson Journal News |accessdate=2 October 2018}}/
27. ^{{cite news |url=https://abc7ny.com/traffic/spuyten-duyvil-bridge-getting-back-in-place-after-repairs/3861837/ |title=Spuyten Duyvil Bridge getting put back in place after repairs |author=Fleischer, Tim |date=1 August 2018 |work=ABC 7 New York |accessdate=2 October 2018}}
28. ^{{cite web |url=http://www.liftech.net/wp-content/uploads/2014/09/00_Crane_Design_Services1.pdf |title=1,700 t Floating Crane Design Review "Left Coast Lifter" |author= |date=September 2014 |website=Liftech Consultants |accessdate=12 February 2015 }}
29. ^{{cite journal |url=http://seaonc.org/sites/default/files/newsletter-archive/jun10.pdf |journal=Structural Engineers Association of Northern California News |author= |date=June 2010 |volume=XIII |number=6 |publisher=SEAONC |location=San Francisco |title=2010 SEAONC Excellence in Engineering Awards |page=4 |accessdate=12 February 2015 |archiveurl=https://web.archive.org/web/20110726063245/http://www.seaoc.org/awards.html |archivedate=26 July 2011 |deadurl=yes }}
30. ^{{cite web |url=http://www.seaoc.org/awards.html |title=SEAOC Excellence in Structural Engineering Awards |author= |date=2011 |website=SEAOC |accessdate=12 February 2015 |archiveurl=https://web.archive.org/web/20110726063245/http://www.seaoc.org/awards.html |archivedate=26 July 2011 |deadurl=yes }}
31. ^{{cite web |url=http://www.ncsea.com/downloads/files/Awards/excellence/2011%20NCSEA%20Awards%20Presentation.pdf |title=2011 NCSEA Awards Presentation |author= |date=22 October 2011 |website=NCSEA |accessdate=12 February 2015 }}

External links

{{Commons category|Left Coast Lifter}}
  • {{cite web |url=https://newnybridge.com/documents/publications/fact-sheets/iliftny.pdf |title=I Lift NY Super Crane |author= |date=2015 |website=The New NY Bridge |accessdate=11 March 2016 }}
  • {{cite journal |url=http://www.structurearchives.org/article.aspx?articleID=1502 |title=The Left Coast Lifter |author1=Lee, Kenton |author2=Dix, Anna |date=July 2012 |journal=Structure Magazine |publisher= |location= |volume= |number= |page=51 |accessdate=11 February 2015 }}
  • {{cite web |url=http://www.mtc.ca.gov/news/photos/obg_more.htm |title=Historic Lift of Self-Anchored Suspension Span Sections for New Bay Bridge East Span |author1=Rokeach, Barrie |author2=Hall, Bill |date=February–April 2010 |website=Metropolitan Transportation Commission |accessdate=12 February 2015 }}
{{coord missing|Alameda County, California}}

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