07:16 Jul 2, 2016 |
English language (monolingual) [PRO] Tech/Engineering - Construction / Civil Engineering | |||||||
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| Selected response from: B D Finch France Local time: 15:57 | ||||||
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4 | intake pump pit floor |
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Discussion entries: 16 | |
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intake pump pit floor Explanation: These pumps were installed in pits to contain any leaks or spillage. Taña's ideas about storage and foundation pits are not right here. Because there were penetrations to the floor of the pit, these constituted weak points where seawater could enter the plant in tsunami conditions. http://goo.gl/C9Jw9n "Unit 2 experienced significant flooding when the tsunami caused seawater to flow through penetrations in the seawater intake pump pit floor. The water flowed through a pipe/cable tray trench into the reactor auxiliary building area basement, which flooded the Train B RCW heat exchanger and pump room and the HPCW heat exchanger and pump room, ultimately causing the shutdown of the Train B EDG and the HPCS DG. Train A safety systems were not affected by the flooding." |
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