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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)

May 24, 2006: The Pearman superstructure says bye-bye

Sparky is back and on the job. Here is today's blast of the west Pearman superstructure with Cousin Arthur looking on from behind and a submerged section of Grace watching from in front.

A new member of the team - Sparky's daughter, Charlotte

Before.
A segment of the Grace superstructure looking on - waiting for Jackie and Manny to pull it out of the river

Ignition sequence

T = 0 sec     T = 0.033 sec

T = 0.067 sec     T = 0.100 sec

T = 0.133 sec     T = 0.167 sec

T = 0.200 sec     T = 0.233 sec

T = 0.267 sec     T = 0.300 sec

T = 0.333 sec     T = 0.367 sec

T = 0.400 sec     T = 0.433 sec

T = 0.767 sec     T = 1.100 sec

T = 1.433 sec     T = 1.767 sec

T = 2.100 sec     T = 2.433 sec

T = 2.767 sec     T = 3.100 sec

T = 3.433 sec     T = 3.767 sec

T = 4.100 sec     T = 4.433 sec

T = 4.767 sec     T = 5.100 sec

T = 5.433 sec     T = 5.767 sec

Still Frames: Ignition

If you look at the bottom of C-1 (right pier) you will see fire at the base. The day before, Sparky captured the cluster of "left over" shock tube segments which were joined together at the base - this was the basis of the fire at the base of the pier.

Lift-down

A gradual descent

Half way to the Cooper River

Almost there

Touchdown and Spash

Its all over - nice work Oscar!

From Gary Eaton and his view from the banks of the Cooper River. Watch the base of the superstructure as it sort of slides down the space between C-1 and C-2.

After the dance - Sparky watches the sun set behind Cousin Arthur and our unbuilding sites (2 Mb mpg video)

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