Comments requested on four standards

摘要

Comments are requested on the following standards actions by October 3, 2011. This standard describes atmospheric effects for consideration when designing ultimate heat sinks for safety-related systems at nuclear power units. Guidance is provided for a meteorological assessment of the ultimate heat sink to ensure that design temperatures and cooling capacity requirements for the facility are met. The standard is intended to apply to new nuclear units and to the redesign of the cooling systems at existing nuclear units. The discussion pri-