津17wj-2-1天津市海绵城市建设项目施工图设计专篇

《津17wj-2-1天津市海绵城市建设项目施工图设计专篇》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、编制说明为贯彻落实《国务院办公厅关于推进海绵城市建设的指导意见》（国办发〔2015〕75号）、《天津市人民政府办公厅转发市建委关于推进海绵城市建设工作方案的通知》（津政办发〔2016〕30号）等文件的要求，进一步加强对海绵城市建设的管控，规范我市海绵城市设计工作，保障设计深度和质量，结合我市海绵城市建设推进情况，根据《市建委关于开展海绵城市建设项目施工图设计专篇和审查要点编制工作的通知》（津建设函[2017]94号文）要求，编写《天津市海绵城市建设项目施工图设计专篇》（以下简称“设计专篇”）。依据《天津市

2、海绵城市建设技术导则》4.1.4条的要求，凡本市辖区范围内规划用地面积大于等于3公顷的新建、改建、扩建工程项目，施工图设计文件中应设置设计专篇；用地面积小于3公顷的新建、改建、扩建工程项目，施工图设计文件中可不设置设计专篇，但设计说明和设计图纸应参照设计专篇进行编制，提供给施工图审查单位的设计说明、图纸、计算书应完整。本设计专篇分为房屋建筑工程（建筑与小区工程）、市政基础设施工程两部分,设计专篇应设于施工图设计说明中，独立成章。本设计专篇中楷体字部分为方便设计人使用所做的说明，不是《专篇》必须的内容，在具

3、体使用时，请设计人灵活使用。本设计专篇提供的样式仅供设计人员参考，在具体设计工作中，可根据项目特点对设计专篇内容进行适当调整。设计专篇使用过程中，其所依据的规范、标准若更新时，设计人应按新的有效版本对设计专篇中有关设计依据等内容进行核查与调整，并按现行有效版本执行。目录第一部分房屋建筑工程（建筑与小区工程）········································11设计概况·······················································

4、······························11.1项目概况················································································11.2雨水设计概况···········································································11.3海绵城市设计目标········································

5、·····························21.4其他情况·················································································22设计依据·····················································································23下垫面分析·······································

6、···········································24主要海绵城市设计指标及落实情况····················································34.1年径流总量控制率·····································································34.2.年径流污染控制率·················································

7、···················44.3雨水年利用量·········································································44.4主要设计指标达标情况·······························································45施工和运行维护需要注意的重点问题·················································56其他·····

8、······················································································5第二部分市政基础设施工程·····························································61设计概况·················································