Settlement monitoring program
Crews install ground monitoring instruments in October 2012 along the SR 99 tunnel route. The instruments will track any movement below the surface during tunneling. Similar equipment will be installed on nearly 200 buildings and structures. Learn more about the program at www.alaskanwayviaduct.org.
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Uploaded on October 19, 2012
Taken on October 5, 2012
Settlement monitoring program
Crews install ground monitoring instruments in October 2012 along the SR 99 tunnel route. The instruments will track any movement below the surface during tunneling. Similar equipment will be installed on nearly 200 buildings and structures. Learn more about the program at www.alaskanwayviaduct.org.
19,285
views
5
faves
0
comments
Uploaded on October 19, 2012
Taken on October 5, 2012