11. In addition, despite industry assertions that the containment buildings at reactors were " robust," 12. Meanwhile, the concrete-and-steel reactor containment building for Barakah 1 was completed in January 2015. 13. The plant contains two nuclear reactors in separate containment buildings . 14. The containment building sump pumps automatically pumped the contaminated water outside the containment building . 15. However, the containment building does not protect the fuel during the whole fuel cycle. 16. Technicians are expected today to begin conducting week-long tests on Millstone 3's containment building . 17. Bayer has committed $ 4.6 million this year to build a new chlorine containment building . 18. The reactor containment buildings are some of the largest in the world at about enclosed. 19. In Western plants there is an airtight containment building . 20. One reactor containment building was about 50 % complete and another about 15 % finished.