中国地质调查局地质调查技术标准DD2019-08地质灾害调查技术要求(1∶50000)Technicalrequirementforgeo-hazardsurvey(1∶50000)自然资源部中国地质调查局2019年1月I目次前言.................................................................................I引言................................................................................II1范围...............................................................................12规范性引用文件.....................................................................13术语与定义.........................................................................14总则...............................................................................34.1目的任务.......................................................................34.2部署原则.......................................................................34.3总体要求.......................................................................35调查区划分及工作量定额.............................................................35.1调查区划分.....................................................................35.2调查基本工作量.................................................................46设计书编写与审查...................................................................46.1基本要求.......................................................................46.2设计书编写提纲.................................................................46.3设计书审查与变更...............................................................47调查内容...........................................................................57.1基本规定.......................................................................57.2地质灾害条件调查...............................................................57.3特殊地区地质灾害条件调查.......................................................77.4地质灾害及隐患调查.............................................................88基本调查方法................................................................