Latest / Deep End Era. Engineering with Sankalp
Working Backwards from Disaster: Fault Trees, Event Trees, IEC 61025 and IEC 62502
A high-pressure separator overpressures and a flange lets go. How could that happen, and what happens next? Mariam Al Hosani, the process safety lead at the Al Sahil Gas Complex, and her new graduate engineer Jonah Okafor answer the first question by building a fault tree from the top down, and the second by drawing an event tree from the release outwards. Along the way the episode tells the story of the fault tree's invention for nuclear missiles, its rise through the nuclear power industry, and the two IEC standards that now describe both methods. Mariam, Jonah and the plant are fictional…
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