Photos from Earthquake Resistant Ductile Iron Pipe (ERDIP) Press Event: August 27, 2026 August 27, 2026 All photos are downloadable. Please credit both pipe photos to “Courtesy of Kubota” A section of Earthquake Resilient Ductile Iron Pipe (ERDIP) A section of Earthquake Resilient Ductile Iron Pipe (ERDIP) Please credit the map photo to “Courtesy of LADWP” A map showing completed ERDIP projects throughout Los Angeles.