How our cities got seduced by sewage pipes made of plastic (instead of clay) | Craftsmanship Magazine
Kent Carlson runs the wastewater operations for Los Angeles, which has the largest municipal sewer system in the Northern Hemisphere. “In our city,” he says, “we’ve got clay pipes that are over 100 years old and they’re still operating.” That history includes two massive earthquakes: the Great Long Beach Earthquake of 1933 (6.4 on the…
