Tuesday, April 11, 2017

Self-Erecting Tower Cranes and Potain

Thumbnail on Potain
I'm seeing evidence that a mobile crane is not necessarily a telescopic-boom crane. It might be carrying a self-erecting tower crane.

I didn't use the embedded version of this Liebherr MK-88 video because it was click bait. The contents is actually more interesting than the thumbnail. The man in the lower-left corner is the operator that is using a remote control to control the crane.
Another Screenshot

The next day I came across a reference to "Potains."

Chas Burger posted
The girlfriend took me to Chicago last weekend ...lots of potains around the city
From above picture
I spotted two cranes in the above picture and they both seem to have the design of self-erecting tower cranes.

Potain was founded in La Clayett, France, in 1928. It is now a subsidiary of Manitowoc that makes tower cranes.
Potain self-erecting
Steven Xzin shared
Big Potain
Steven Xzin posted
Cecil Muncy Good lord at the amount of cable needed
Rich Reiter Potain MDT128
Jimmy Cupps Can you just imagine how much that thing sways when the wind picks up.
[If I hadn't already read the above posting, I would not have known that the comment was referring to the tower crane. I'm frustrated that none of the comments indicate where this bridge is being built.]
Howard Hultquist posted
Don Rhino Rhines GTK-1100 http://grovecranes.blogspot.com/.../gtk-1100-grove...Luke Keagy Be seeing those on wind farms soon.Don Rhino Rhines I don't think they make them any more.Dennis Faust I think your correct Rhino!
[Only two of the possible five tower segments are out. They are probably still erecting the tower part.]
Josh Karras commented on the above posting.
John W. Coke posted
[This must be what it looks like when it is "folded up" for transport.]
Brandon Storie posted three photos with the comment: "Whole lotta engineering in these things."



Brandon Storie posted nine more comments with the comment: "Pretty nifty, no cab though, all R/C."
Brandon Storie 8t, can pick 3000lbs at 164ft









James Wakefield posted six photos with the comment: "The Manitowoc S-282. Not the biggest or baddest around but she gets the job done and is in and out quick fast and in a hurry."





5, cropped

6, cropped
ALL posted
In the past few years, very few cities in America have seen more tower crane construction than Chicago. The current king of the landscape, a Potain MD 485 tower crane, was provided and erected by Central Contractors Service, Inc., a member of the ALL Family of Companies. See the press release below to learn more about this thousand-foot tall crane.

Thousand-Foot View: Tallest Tower Crane in Chicago Hits New High for ALL

[They used steel rope lengths of 1500', 1850' and 2850'.]
ALL Erection and Crane Rental posted
An impressive photo capture of 5 tower cranes standing tall above the buildings of downtown Chicago's West Loop; one of the cities fastest-growing neighborhoods. These tower cranes, in addition to a large portion of the many other cranes found throughout downtown Chicago, are supplied by Illinois based Central Contractors Service, a member of the ALL Family of Companies.

There are some Potain cranes working on the Tappan Zee Bridge.

Video of Grove GTK1100 being set up, doing work such as building a windmill, and coming down.

There is currently (Summer 2017) a crane erected just a few blocks from where I live.


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