本标准规定了轻水冷却商业动力反应堆燃料组件设计的一系列设计条件和功能要求。它包括具体的设计要求，以及确保足够的燃料组件性能的设计标准。本标准规定了对燃料组件的机械设计进行评估的程序。

This standard sets forth a series of design conditions and functional requirements for the design of fuel assemblies for light-water-cooled commercial power reactors. It includes specific requirements for design, as well as design criteria to ensure adequate fuel assembly performance. The standard establishes a procedure for performing an evaluation of the mechanical design of fuel assemblies.