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

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

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

290 Division St, San Francisco, CA 94103, USA

Photos of utility crews fixing a broken water main at Division st and 10th st in SoMa (San Francisco)

The contractors let me take a few amazing shots of their repair work.­ They installed two large cut-off valves on an old bypass water pipe that exploded on December 13th, 2009, causing a huge sink-hole in Division Street.­

Photos of construction workers at work, with their heavy machinery and power tools.­

Road construction, infrastructure, building constructions etc.­