Utility Reflects on 7 Million Hours of Safety

San Francisco Public Utilities Commission safety initiative achieves milestone on one of the nation’s largest water infrastructure programs.
Utility Reflects on 7 Million Hours of Safety
The new 18,660-foot Irvington Tunnel excavation was completed in October 2013. The 3.5 mile tunnel transmits water for 2.6 million customers through an 8.5-foot lined steel pipe with seismic protections.

The San Francisco Public Utilities Commission is in the midst of a huge 15-year program to repair, replace and upgrade critical water infrastructure. Since the bulk of the construction work started in April 2009, more than 11,000 workers have recorded 7.5 million hours without a...

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