DIN 1185-2:2015-12

1 Scope
2 Purpose
3 Pipe drainage and open-ditch drainage
      3.1 Planning principles for the construction of
             collecting drains
      3.2 Planning principles for the construction of
             branch drains
      3.3 Drain spacing
             3.3.1 Drain spacing for pipe drainage in
                      mineral soil
                      3.3.1.1 In mineral soil containing
                                 ground water
                      3.3.1.2 In waterlogged and binding-
                                 wet mineral soil
             3.3.2 Drain spacing for pipe drainage in
                      boggy soil
             3.3.3 Drain spacing for open-ditch drainage
                      in mineral soil
             3.3.4 Drain spacing for open-ditch drainage
                      in boggy soil
      3.4 Run-off per unit area
      3.5 Hydraulic calculation of a collecting pipe
             3.5.1 Basis of calculation
             3.5.2 Tables and nomographic charts
4 Subsoil amelioration
      4.1 Deep loosening
      4.2 Deep ploughing
             4.2.1 Deep ploughing in mineral soil
             4.2.2 Deep ploughing in bog and semi-bog
5 Examples of application

This standard is included in DIN Handbook 187.