arc welding - C515 cut-off valves - utility worker fixing broken water main (san francisco)


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Arc Welding - Utility Worker Fixing Broken Water Main (San Francisco)

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

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