DIN 1986-2:1995-03

1 Scope and field of application
2 Concepts, symbols and units
3 Design principles
4 Determination of foil water discharge rate
5 Determination of discharge unit values
      5.1 Branch discharge pipes
      5.2 Main branch discharge pipes
      5.3 Appliance groups
      5.4 Design discharge rate
             5.4.1 Specific load cases
             5.4.2 Sizing of drainage systems with
                      pressurized drainage
6 Sizing of foul water pipes
      6.1 Discharge pipes
             6.1.1 Branch discharge pipes
             6.1.2 Main branch discharge pipes
      6.2 Discharge stacks
             6.2.1 Single stack systems
             6.2.2 Ventilated stack systems
      6.3 Building drains and sewers
7 Sizing of rainwater pipes
      7.1 Determination of runoff rate
             7.1.1 Design rainfall intensity
             7.1.2 Runoff coefficients
      7.2 Sizing of rainwater pipessystem
             7.2.1 Gravity sewers
             7.2.2 Buried pipes
             7.2.3 Roof drainage systems with pressurized
                      drainage
8 Sizing of combined pipes
9 Sizing of ventilating pipes and stacks
      9.1 Single stack systems
             9.1.1 Branch vents
             9.1.2 Stack vents
             9.1.3 Branch ventilating pipes in a modified
                      single stack system
      9.2 Bypass pipes
      9.3 Relief vents
      9.4 Ventilated stack system
             9.4.1 Ventilating stacks
             9.4.2 Branch ventilating pipes
      9.5 Secondary venting system
             9.5.1 Individual vents
             9.5.2 Branch vents
             9.5.3 Ventilating stacks
Standards and other documents referred to
Amendments
Explanatory notes

Applies to site drainage systems designed to discharge foul water and rainwater into public sewers and gives specifications for the sizing of the discharge and ventilating pipes used in such systems.