Changing the face of Charleston : The unbuilding of the Grace and Pearman Bridges
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Unbuilding Highlights
(Apr 10)
Meeting St. Stories
(Jul 10 2006)
East Bay Stories
(Oct 10 2006)
Drum Island Stories
(Feb 17)
Pearman Bridge Stories
(Apr 3)
Grace Bridge Stories
(Apr 3)
Imposions: Prep and boom
(Mar 27)
Unbuilding Bridge Blog
(July 23 2006)
Unbuilding Challenges
(Mar 13)
Learning Links
(Feb 20)
Unbuilding Stories
(Mar 13)
Video and Sounds
(Feb 28)

January 24, 2006:
Sort of squaring up the Drum Island section of the Grace cantilever

Here is the worksite - with the drilling operation hidden behind T3. At this time, the right angle section attached to the crane is being freed by our iron worker acrobats.

The upper right angle section is being removed

One of our acrobats burning through the vertical beam

Seen in context - to remove the right angle section

After the burn is complete - the right angle section is removed

and leaving the worksite

The next stage will be to partially burn through selected sections of the cantilever segment in preparation for explosive breakup.

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Attribution: C. Frank Starmer and Sparky Witte from http://oldcooperriverbridge.org