Flickr: WTCProgress' Photostream

6/21/10

Workers lower one of five giant chiller units into the subgrade area of the WTC site. The chiller...

Uploaded on Jun 24, 2010

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6/21/10

The chiller unit is lowered through a hole in the 9/11 Memorial Plaza to a subgrade area, where all...

Uploaded on Jun 24, 2010

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6/21/10

The chiller unit is then positioned next to another unit that has previously been lowered into the subgrade area.

Uploaded on Jun 24, 2010

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6/21/10

Workers use handheld lifts to move the unit, which weighs approximately 50,000 pounds.

Uploaded on Jun 24, 2010

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6/21/10

A construction worker stands on one of the units as it is lowered into the hole.

Uploaded on Jun 24, 2010

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6/21/10

As the units arrive at the correct subgrade level, they are carefully positioned onto a concrete slab before they are moved to a permanent location

Uploaded on Jun 24, 2010

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6/10/10

Workers have installed more than 1900 jet mist granite tiles in the 9/11 Memorial's North Pool, and...

Uploaded on Jun 24, 2010

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6/10/10

A worker power washes the granite tiles that have been installed in the North Pool.

Uploaded on Jun 24, 2010

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6/10/10

A worker uses a chain hoist to lift a granite tile into the South Pool.

Uploaded on Jun 24, 2010

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WTCProgress' photostream

7/14/10

7/14/10

7/14/10

7/14/10

7/14/10

7/14/10

7/14/10

7/14/10

7/14/10

6/21/10

6/21/10

6/21/10

6/21/10

6/21/10

6/21/10

6/10/10

6/10/10

6/10/10

7/14/10 18th Century Ship...

6/21/10 - Chiller Unit...

6/10/10 - North Pool tiles...

2/3/10 - One WTC Steel...

1/12/10 - 9/11 Memorial...

12/23/09 - Subway Container...

12/10/09 - Fifth Floor...

11/2/09 - Jumbo Steel...

9/14/09 - WTC 9/11 Steel

9/11/09 - Memorial Site

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