hetch hetchy water system (12 photos)

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

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

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

sinkhole, utility workers fixing broken water main, san francisco

arc welding - utility worker fixing broken water main (san francisco), arc welding, bucket, construction workers, contractor, electrodes, hetch hetchy water system, high-visibility vest, reflective vest, repairing, safety helmet, safety vest, sfpuc, sink hole, sparks, utility crew, utility workers, water department, water main, water pipe, welder, worker, working

arc welding, utility worker fixing broken water main, san francisco

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

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

arc welding - C515 cut-off valves - utility worker fixing broken water main (san francisco), awwa c515, construction worker, contractor, crawling, cut-off valves, gate valves, hetch hetchy water system, high-visibility vest, reflective vest, repairing, resilient, safety helmet, safety vest, sfpuc, sink hole, utility crew, utility worker, water department, water main, water pipe, welder, welding, workers

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

sinkhole - utility workers fixing broken water main (san francisco), construction workers, hetch hetchy water system, high-visibility vest, night, reflective vest, repairing, safety helmet, safety vest, sfpuc, sink hole, utility crew, utility trucks, utility workers, water department, water main, water pipe

sinkhole, utility workers fixing broken water main, san francisco

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

utility workers fixing broken water main, san francisco

worker under backhoe with hydraulic hammer - utility workers fixing broken water main (san francisco), backhoe, case, construction workers, contractor, extendahoe, hetch hetchy water system, high-visibility vest, hydraulic attachment, hydraulic hammer, night, reflective vest, repairing, safety helmet, safety vest, sfpuc, sink hole, utility crew, utility workers, water department, water main, water pipe, working

worker under backhoe with hydraulic hammer, utility workers fixing broken water main, san francisco

closing a cut-off water valve utility workers fixing broken water main (san francisco), awwa c515, construction workers, cut-off valves, gate valves, hetch hetchy water system, high-visibility vest, night, reflective vest, repairing, resilient, safety helmet, safety vest, sfpuc, sink hole, utility crew, utility workers, water department, water main, water pipe, working

closing a cut-off water valve utility workers fixing broken water main, san francisco

backhoe with hydraulic hammer - utility workers fixing broken water main (san francisco), backhoe, case, construction workers, extandahoe, hetch hetchy water system, high-visibility vest, hydraulic arm, hydraulic attachment, hydraulic hammer, night, pipeline, reflective vest, repairing, safety helmet, safety vest, sfpuc, sink hole, utility crew, utility workers, water department, water main, water pipe

backhoe with hydraulic hammer, utility workers fixing broken water main, san francisco

water main pipeline cut-off valves - utility workers fixing broken water main (san francisco), awwa c515, construction workers, cut-off valves, gate valves, hetch hetchy water system, high-visibility vest, night, reflective vest, repairing, resilient, safety vest, sfpuc, sink hole, utility crew, utility workers, water department, water main, water pipe, working

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

water main pipeline and cutoff valves - sinkhole - utility workers fixing broken water main (san francisco), awwa c515, construction workers, cut-off valves, gate valves, hetch hetchy water system, high-visibility vest, night, reflective vest, repairing, resilient, safety helmet, safety vest, sfpuc, sink hole, utility crew, utility workers, water department, water main, water pipe, working

water main pipeline and cutoff valves, sinkhole, utility workers fixing broken water main, san francisco