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Order Module--DOE O 420.1B, FACILITY SAFETY

To ensure that new DOE hazard category 1, 2, and 3 nuclear facilities are designed and constructed in a manner that ensures adequate protection to the public, workers, and the environment from nuclear hazards. To ensure that major modifications to hazard category 1, 2, and 3 nuclear facilities comply with the design and construction requirements for new hazard category 1, 2, and 3 nuclear facilities. To ensure that new DOE nuclear reactors comply with the requirements of DOE O 420.1B and the design requirements of DOE O 5480.30, Nuclear Reactor Safety Design Criteria.