Taking Ningbo rail transportation project design and construction stage as an example ,expounds the theo-retical achievements in surveying and mapping as the core of RIM , describes Rail transportation Information Model and laser scanning combined with the application situation ,introduced RIM data production process and its application in the design stage ,introduces the the laser scanning data collection process and fitting technique between RIM data and the la-ser scanning data ,and introduces the design and construction of coordination technology .%以宁波轨道交通工程设计和施工建设阶段为例，阐述了RIM以测绘为核心的理论成果，介绍了轨道交通信息模型和激光扫描结合应用的情况，介绍了RIM数据制作过程及其在设计阶段的应用，介绍了激光扫描数据的采集流程及其与RIM数据的拟合技术，同时介绍了设计和施工协调技术。
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