sinkhole - 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, infrastructure, 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), awwa c515, construction workers, cut-off valves, gate valves, hetch hetchy water system, high-visibility vest, infrastructure, 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)

Utility Workers Fixing Broken Water Main (San Francisco)

Usually one guy actually works while about a dozen others watch :)

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

AWWA C515
construction workers
cut-off valves
gate valves
hetch hetchy water system
high-visibility vest
infrastructure
lorry
reflective vest
repairing
resilient
safety helmet
safety vest
SFPUC
sink hole
utility crew
utility truck
utility workers
water department
water main
water pipe
December 13, 2009
290 Division St, San Francisco, CA 94103, USA