| 1. | Gravity drainage systems inside buildings - part 1 : general and performance requirements 建筑物内部重力排水系统.第1部分:总则和性能要求 |
| 2. | Gravity drainage systems inside buildings - part 2 : sanitary pipework , layout and calculation 建筑物内部重力排水系统.第2部分:卫生管道.布局和计算 |
| 3. | Gravity drainage systems inside buildings - part 3 : roof drainage , layout and calculation 建筑物内部重力排水系统.第3部分:屋顶雨水管道.布局和计算 |
| 4. | Gravity drainage systems inside buildings - part 4 : wastewater lifting plants - layout and calculation 建筑物内部重力排水系统.第4部分:废水提升工厂.布局和计算 |
| 5. | Gravity drainage systems inside buildings - part 1 : general and performance requirements ; german version en 12056 - 1 : 2000 建筑物重力排水系统.第1部分:总则和性能要求 |
| 6. | Gravity drainage systems inside buildings - part 3 : roof drainage , layout and calculation ; german version en 12056 - 3 : 2000 建筑物重力排水系统.第3部分:屋顶排水布局和计算 |
| 7. | Gravity drainage systems inside buildings - part 2 : sanitary pipework , layout and calculation ; german version en 12056 - 2 : 2000 建筑物内重力排水系统.第2部分:卫生管道的布局和计算 |
| 8. | Gravity drainage systems inside buildings - part 4 : wastewater lifting plants , layout and calculation ; german version en 12056 - 4 : 2000 建筑物重力排水系统.第4部分:废水提升设备布置和计 |
| 9. | Gravity drainage systems inside buildings - part 5 : installation and testing , instructions for operation , maintenance and use 建筑物内部重力排水系统.第5部分:安装和试验.操作维护和使用指南 |
| 10. | Gravity drainage systems inside buildings - part 5 : installation and testing , instructions for operation , maintenance and user ; german version en 12056 - 5 : 2000 建筑物重力排水系统.第5部分:安装试验及操作维护 |