UDC GB 中华人民共和国国家标准 P GB50015-2003 建筑给水排水设计规范 Code for design of building water supply and drainage （2009年版） 2003-04-15 发布 2003-09-01 实施 中华人民共和国住房和城乡建设部 联合发布 中华人民共和国国家质量监督检验检疫总局 目次 1总则.. 2术语、符号 2.1术语.. 2.2符号. 3给水.. 3.1 用水定额和水压. 水质和防水质污染. 3.3 系统选择. 3.4 管材、附件和水表. 3.5 管道布置和敷设. 设计流量和管道水力计算 3.6 3.7 水塔、水箱、贮水池 3.8增压设备、泵房 3.9游泳池和水上游乐池 3.10冷却塔及循环冷却水 3.11水景 4排水 4.1系统选择 4.2卫生器具及存水弯 4.3管道布置和敷设 4.4排水管道水力计算 4.5管材、附件和检查井 4.6通气管 4.7污水泵和集水池 4.8小型生活污水处理 4.9雨水 5热水及饮水供应 5.1热水用水定额、水温和水质 5.2热水供应系统的选择 5.3耗热量、热水量和加热设备供热量的计算 5.4水的加热和贮存 5.5管网计算 5.6管材、附件和管道敷设 5.7饮水供应 附录A倒流危险等级及防倒流方法. 附录 B 居住小区地下管线(构筑物)间最小净距. 附录 C 给水管段卫生器具给水当量同时出流概率计算式，αc系数取值表 附录D 阀门和螺纹管件的摩阻损失的折算补偿长度， 附录E 给水管段设计秒流量计算表 附录F 饮用水嘴同时使用数量计算， 本规范用词说明 引用标准名录， 条文说明. Contents General requirements. Terms and symbols.. 2.1 Terms... 2.2 Symbols.. Water supply. 3 3.1 Rated water consumption and water pressure. 3.2 Water quality and contamination prevention.. 3.3 System selection.. 3.4Pipe materials, appurtenances and water meters 3.5 Piping layout and laying 3.6Design flow and hydraulic calculation of pipe. 3.7 Water towers, Water tanks, Reservoirs. 3.8 Pressurizing equipments, pump stations.. 3.9 Swimming pools and aquatic recreation pools. . 3.10 Cooling towers and cooling water circulation. Waterscape.. 3.11 4 Drainage.. Selection of drainage system. 4.1 Plumbing fixtures and traps. 4.2 4.3 Piping layout and lining. 4.4 Hydraulic calculation of drainage pipe. 4.5 Pipe materials, appurtenances and manholes.. Vent pipes. 4.6 4.7 Sewage pumps and pump pits. 4.8 Small sanitary waste treatment devices and systems 4.9 Rainwater.. 5 Hot water and drinking water supply. 5.1 Rated consumption, temperature and quality of hot water. 5.2 Selection of hot water supply systems. 5.3 Calculation of heat consumption hot water quantity and power consumption of heating equipment... 5.4 Water heating and storage. 5.5Calculation of network.. 5.6 Pipe materials, appurtenances and piping layout. 5.7 Drinking water supply.