fire hydrant


More images of ▶ AWSS blue fire department fire hydrant hydrant SFFD white
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High pressure fire hydrant (San Francisco)

Thiose hydrants are part of the AWSS, the San Francisco Fire Department "Auxiliary Water Supply System", developed after the big 1906 Fire.­ The AWSS is separate from the drinking water supply of the city, and if needed, it can be fed by sea water from the bay.­