Construction Worker Bolting Rail Ties

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Construction Worker Bolting Rail Ties

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Railroad construction worker bolting rail ties.

In this project, reinforced concrete is poured under the rails, and the rail ties bolts (large black bolts visible under the rail) will be encased in that layer of concrete.

View more photos of railroad workers replacing a Muni lightrail tracks in San Francisco.

Date & GPS location
Photo taken on February 25, 2012
Duboce Triangle, San Francisco County county, California, United States
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