NBN EN 1671 : 1997

Foreword
Introduction
1 Scope
    1.1 General
    1.2 Limit of design
    1.3 Application of pressure sewerage systems (PSS)
    1.4 Sources of additional information
2 Normative references
3 Definitions
    3.1 Collecting chamber
    3.2 Pressure generating equipment
    3.3 Pressure sewerage system (PSS)
4 System description
    4.1 General
    4.2 Main components
    4.3 Collecting chamber
    4.4 Pressure generating equipment
    4.5 Pipework
5 Requirements
    5.1 General
    5.2 Essential requirements
    5.3 Performance requirements
    5.4 Design requirements
    5.5 Calculation requirements
6 Design and calculation of pressure sewerage systems
    6.1 Principles
    6.2 Gas formation in sumps and pipes
    6.3 Systems calculation
    6.4 Pipe sizing
7 Installation (pipe-laying)
8 Quality control
9 Test methods
10 Commissioning, operation and maintenance
    10.1 General
    10.2 Statutory considerations
    10.3 Cleaning of the pipes
Annexes
A (informative) Additional information
    A.1 Application of pressure sewerage systems
    A.2 System description
    A.3 Minimum velocities
    A.4 Design and calculation of pressure sewerage
          systems
    A.5 Installation (pipe-laying)
    A.6 Operation and maintenance
B (informative) Figures
C (informative) Bibliography and national regulations
    C.1 National regulations
    C.2 Bibliography
    C.3 Additional bibliography
D (informative) A-deviations

Defines performance, design, operation, maintenance and installation, including relevant verification and method of test for positive pressure driven sewerage systems outside buildings carrying wastewater. Does not define evaluation of conformity of systems, nor define the detail design or construction materials of individual components within the system.