DIN 1986-1:1988-06

1 Scope and field of application
2 Principles
      2.1 General
      2.2 Design, construction, operation and maintenance
      2.3 Gravity drainage
      2.4 Sewage for which system is designed
      2.5 Separate discharge of rainwater and foul water
      2.6 Noise control
      2.7 Fire protection
      2.8 Frost precautions inside buildings
      2.9 Frost precautions outside buildings
      2.10 Tightness
      2.11 Compatibility with surrounding materials
      2.12 Use of classified components
      2.13 Combined use of pipes
      2.14 Drainage of subsoil
3 Concepts and symbols
      3.1 Drains and sewers
             3.1.1 Sewer connection
             3.1.2 Building drain
             3.1.3 Sewer (private sewer)
             3.1.4 Stacks
                      3.1.4.1 Discharge stack
                      3.1.4.2 Rainwater pipe
             3.1.5 Discharge pipes
                      3.1.5.1 Branch discharge pipe
                      3.1.5.2 Main branch discharge pipe
             3.1.6 Connecting pipe
             3.1.7 Bypass pipe
             3.1.8 Ventilating pipe
      3.2 Ventilating pipes and stacks
             3.2.1 Single stack system
             3.2.2 Ventilated stack system
                      3.2.2.1 Ventilated stack
                      3.2.2.2 Branch ventilating pipes
             3.2.3 Relief venting
             3.2.4 Secondary venting
      3.3 Frost-free depth
      3.4 Diagrams and symbols
4 General requirements for pipes, fittings and pipe joint
      assemblies
      4.1 Pipes and fittings
      4.2 Pipe joint assemblies
      4.3 Tightness
      4.4 Fixing blocks
5 Discharge points
      5.1 Traps
      5.2 Protection of building against the effect of
             dripping water, overflow water and rainwater;
             outlets on balconies and loggias
      5.3 Protection against soiling and blockage of pipes
      5.4 WC and urinal installations
6 Pipe laying
      6.1 General
      6.2 Discharge stacks
      6.3 Rainwater pipes
      6.4 Venting
      6.5 Access points
      6.6 Inspection chambers and manholes
7 Protection from backflooding due to surcharge
8 Retention of noxious materials
9 Sewage treatment plants
10 Removal of disused drainage systems