DIN 19569-1:1987-02

1 Field of application
2 Concepts
      2.1 Structures
      2.2 Technical equipment
3 Structures
      3.1 Dimensional tolerances
      3.2 Tracks
             3.2.1 Contact pressure
             3.2.2 Concrete for wall crests
             3.2.3 Concrete for tracks
             3.2.4 Expansion joints
      3.3 Connections between technical equipment and
             structure
      3.4 Access
      3.5 Indoor climate
4 Technical equipment
      4.1 Principles of static and mechanical design
             4.1.1 Loads
                      4.1.1.1 Imposed loads
                      4.1.1.2 Wind loads
                      4.1.1.3 Snow loads
                      4.1.1.4 Operating loads
                      4.1.1.5 Moving single loads
             4.1.2 Other parameters
                      4.1.2.1 Capacity, torque, etc.
                      4.1.2.2 Utilization factor
                      4.1.2.3 Design service life of
                                 machinery components
                      4.1.2.4 Mode of operation, degree of
                                 protection
      4.2 General structural features
             4.2.1 Walkways
             4.2.2 Gratings
             4.2.3 Covers, assembly openings, cleaning
                      openings
             4.2.4 Free wheels
             4.2.5 Cable drums
             4.2.6 Pumps and pipelines (minimum nominal
                      sizes)
             4.2.7 Measuring and control equipment
             4.2.8 Materials and corrosion protection
             4.2.9 Requirements for the fabrication of
                      welded structures
5 Safety and protection
      5.1 Safety technology
      5.2 Protection against explosion
      5.3 Immission control
      5.4 Protection of the environment
6 Operating and maintenance requirements
7 Spare parts

Specifies general principles for the design of sewage treatment plants, relating both to those structures and parts of structures in which the layout or function of the technical equipment has to be given particular consideration, and to technical equipment for which special technical requirements regarding sewage treatment or specific to which special technical requirements regarding sewage treatment or specific to sewage treatment plants have to be considered in its planning, construction and operation.