Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Planning
5 Hygienic and environmental requirements
6 Structure of a drainage system
7 Drain lines
8 Collector tank
9 Sewage treatment plant
10 Ventilation of sewage treatment plants
11 Sewage disposal pipes
12 Testing
13 Operation of pipework
14 Graphical symbols and simplified representations
Annex A (informative) Graphical symbols