 |
On May 30, 2002, the 21st and final truss
for the Aviation Hangar was lifted into place. These images
show some of the work involved in this major milestone in
the construction of the Steven F. Udvar-Hazy Center. |
 |
Hensel Phelps and ADF crews prepare to lift the center section of
truss #21.
Photo by Craig Parham, Capitol Sprinkler
78 K jpg |
 |
Two
cranes lift the 188,000-pound center section.
Photo by Craig Parham, Capitol Sprinkler
58 K jpg |

 |
ADF
ironworkers "catch" and then bolt into place the
truss at three points. The east side was "captured"
first at 10:10; the west side followed at 10:15.
Photos by Craig Parham, Capitol Sprinkler
49 K jpg (top image)
61 K jpg (bottom image) |

 |
The
steel was "topped out" with the addition of the
traditional fir tree, symbolic of completion of this important
structural steel milestone.
Photos by Craig Parham, Capitol Sprinkler
38 K jpg (top image)
69 K jpg (bottom image) |
 |
The
Aviation Hangar now stretches to its full length of 984 feet!
Framework for the large hangar doors on the north and south
ends stand ready for the installation of overhead braced-arm
canopy doors this summer..
Photo by Craig Parham, Capitol Sprinkler
47 K jpg |