water main pipeline cut-off valves - utility workers fixing broken water main (san francisco)


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Utility Workers Fixing Broken Water Main (San Francisco)

To see more photos of this repair operation, go to this photo album.

More images of ▶ AWWA C515 construction workers cut-off valves gate valves hetch hetchy water system high-visibility vest infrastructure night people reflective vest repairing resilient safety vest SFPUC sink hole utility crew utility workers water department water main water pipe working
290 Division St, San Francisco, CA 94103, USA