能源与环境 · 2019/2/221 分钟阅读
Northern States Power Company; Monticello Nuclear Generating Plant
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摘要
The U.S. Nuclear Regulatory Commission (NRC) has issued an exemption in response to a April 6, 2017, request from Norther States Power Company to allow the use of structural steel columns and beams supporting the floor of the Cable Spreading Room that are not coated with fireproofing material to provide a fire resistance equivalent to that of the fire barrier.