Posted January 24, 2016 Interesting article: “It's a concrete vault, underneath the ground,” says Ken Lombardi, Assistant Deputy Chief with the San Francisco Fire Department. The vaults are called cisterns – and they’re full of water. “This is our emergency water supply,” Lombardi explains. “As long as we pull that manhole cover, there'll be 75,000 gallons of water for us.” FULL ARTICLE: http://kalw.org/post/whats-beneath-those-brick-circles-san-francisco-intersections#stream/0 Share this post Link to post Share on other sites
Posted January 25, 2016 The question I have is whether a major earthquake would breach that supply? Share this post Link to post Share on other sites
