Finally, a case study by a proceeding mass rapid transportation (MRT) civil engineering for an example, the most suitable level detail of preliminary design for each main item of works is found.

• 最后以国内正进行基本设计之某捷运系统土建工程为例，进行个案分析并找出最适合该案各类主要工程项目之初步设计完成度，供决策者参考。