ICS07.040 CCSA75 5301 昆明市地方标准 DB5301/T90—2023 工程建设项目联合测绘技术规范 Jointsurveyingandmappingofengineeringconstructionprojects—— Technicalspecification 2023-08-01发布 2023-09-01实施 昆明市市场监督管理局  发布 DB5301/T90—2023 I目次 前言.....................................................................................................................................................................III 1范围...................................................................................................................................................................1 2规范性引用文件...............................................................................................................................................1 3术语和定义.......................................................................................................................................................1 3.1时空基准...................................................................................................................................................2 3.2建筑物.......................................................................................................................................................2 3.3人防工程...................................................................................................................................................3 3.4不动产权籍调查.......................................................................................................................................4 4基本规定...........................................................................................................................................................4 4.1一般规定...................................................................................................................................................4 4.2空间基准和时间系统...............................................................................................................................4 4.3要素采集方法...........................................................................................................................................4 4.4测量精度...................................................................................................................................................5 4.5成果提交...................................................................................................................................................7 5控制测量...........................................................................................................................................................8 5.1一般规定...................................................................................................................................................8 5.2选点埋石...................................................................................................................................................9 5.3GNSSRTK测量........................................................................................................................................10 5.4一、二级导线测量.................................................................................................................................11 5.5GNSS静态测量........................................................................................................................................12 5.6四等水准测量.........................................................................................................................................13 5.7四等高程导线测量.................................................................................................................................15 5.8GNSS高程控制测量................................................................................................................................15 5.9图根控制测量.........................................................................................................................................16 5.10地下建筑物控制测量.........................................................................................