C515 cut-off valves - utility workers fixing broken water main (san francisco), awwa c515, construction workers, dust mask, gate valves, hetch hetchy water system, high-visibility vest, infrastructure, reflective vest, repairing, resilient, respirator, safety helmet, safety vest, sfpuc, sink hole, utility crew, water department, water pipe C515 cut-off valves - utility workers fixing broken water main (san francisco), awwa c515, construction workers, dust mask, gate valves, hetch hetchy water system, high-visibility vest, infrastructure, reflective vest, repairing, resilient, respirator, safety helmet, safety vest, sfpuc, sink hole, utility crew, water department, water pipe

C515 cut-off valves - utility workers fixing broken water main (san francisco)

Utility Workers 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