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City Distribution Division machine shop and machinest. Harry Tracy Water Treatment Plant, Long-Term Improvements, Welding Bay Division Pipeline Reliability Upgrade, Bay Tunnel, Grinding T Pipe SFPUC building under construction at 525 Golden Gate Avenue, San Francisco. Electrician combining wires using zip ties underneath solar panels. 14th Floor. Harry Tracy Water Treatment Plant, Long-Term Improvements, Welding Power Enterprise: Solar Installation Southeast Wastewater Treatment Plant, Raven Williams, 9916 Pre-apprentice stationary engineer Hetch Hetchy Reservoir Marine Biology Ocean Testing Pat Conory, biologist III, conducts tests with zeolite in order to find a way to reduce high ammonia levels at Southeast Plant on a large scale Water Quality Technician at the SFPUC Milbrae Lab Bay Division Pipeline, (BDPL), Bay Tunnel, Ravenswood, Demobilization of the mining equipment and infrastructure