拟议文件提供了混凝土结构的生命周期管理，特别是基于ISO 22040《生命周期管理》规定的框架和一般原则的结构规划和设计阶段。本文件不仅适用于新建结构，也适用于重新启动其生命周期时的现有结构。本文件规定了在规划和设计阶段应如何考虑性能要求，以及应如何制定LCM基本方案。明确定义了设计阶段的管理项目，并描述了可以反馈到规划阶段并转移到执行阶段的信息。

The proposed document provides the life cycle management of concrete structures particularly focusing on the structural planning and design stage on the basis of the framework and general principles specified by ISO 22040, Life cycle management. This document is applicable to not only newly constructed structures but also existing structures when their life cycle is restarted. This document specifies on how performance requirements should be considered at the planning and design stage and also how the basic LCM scenario should be drawn up. Management items at the design stage are clearly defined and information that may be fed back to the planning stage and be transferred to the execution stage is described.