NS EN 1671 : 1ED 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