ICS13.060 C51 2020-07-01实施 2020-06-08发布DB4401/T48—2020 代替DBJ440100/T98—2011DB4401 二次供水设施清洗保洁技术规范 Technologyspecificationforcleanlinessandlustrationsustainingof secondarywatersupplyinstallations广州市地方技术规范 广州市市场监督管理局发布广州市地方标准 DB4401/T48—2020 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 4基本规定...........................................................................................................................................................1 5清洗消毒技术要求...........................................................................................................................................2 6清洗消毒验收要求...........................................................................................................................................3 7清洗消毒作业安全...........................................................................................................................................4 8清洗消毒档案...................................................................................................................................................5 附录A（资料性附录）水池（箱）清洗前的调查内容...................................................................................6 附录B（资料性附录）清洗水池（箱）可选用的工具...................................................................................7 附录C（规范性附录）常用供水方式的水样采集数量...................................................................................8