Structural Radar Imaging, Inc.
 
Light Rail Project  (Seattle)

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Scope:

Mass Electric Construction Company
LK Comstock & Company, Inc.

For this project, SRI provided the rebar locations inside of the columns, for the retrofitting of a three foot steel plate.  It held and arm that extended to provide energy for the Light Rail to operate.  SRI was hired to locate the rebar mats along several faces of eight critical columns, for 100+ anchors. SRI also located 30+ core locations along walls and the floors for the updating of the tunnel operations. Without the option to hit any rebar in the columns or conduits in the floor, radar was critical element.

WS DOT Approved

 

 

 

 

This image shows the rebar grid pattern and an open location in the column.

 

 

 

 

 

 

 

SRI was called in to verify the interior of some walls, designed and placed years previously. Fearing critical electrical conduits were located in some of the walls and cross beams, accuracy and clear information was essential.

Without the option to hit any rebar, radar was crucial element to completing the job.

 

 

 

 

Before
This picture shows our marks: lines indicating rebar and hash boxes for clear spaces

After
A completed fastened I-beam and their anchors through our hash boxes, indicating a clear area in the column

 


 


 

 

 

 

Fearing conduits were in some of the columns where they needed to core SRI was called

   
 

Here are some of the finished columns