I.S. EN 12109:1999

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 System description
5 Principal design factors
   5.1 General
   5.2 Health and safety
   5.3 Availability
   5.4 Reliability
   5.5 Maintainability
   5.6 Noise and odour control
   5.7 Energy economy
   5.8 Fire resistance
6 Performance
   6.1 Wastewater discharge
   6.2 Vacuum at line extremities
   6.3 Vacuum recovery time
   6.4 Automatic restart
7 Design
   7.1 General
   7.2 Static losses
   7.3 Wastewater flowrate
   7.4 Dynamic losses
   7.5 Vacuum recovery
   7.6 System controls
   7.7 System status monitoring
8 Installation
9 Commissioning
   9.1 General
   9.2 Commissioning tests
10 Maintenance
11 Verification
   11.1 General
   11.2 Performance requirements
   11.3 Design requirements
   11.4 Installation requirements
12 Assessment of general performance
13 Quality control
Annex A (Normative) Methods of verification of compliance
        with the requirements of this standard
Annex B (Normative) Test procedures
      B.1 Tightness tests
      B.2 System performance tests
Annex C (Normative) Calculation of probable wastewater
        flowrate
      C.1 Probability Calculation
      C.2 Discharge from domestic sanitary appliances
      C.3 Selection of the reduction factor (K)
      C.4 Vacuum toilets
Annex D (Informative) Vacuum drainage system products -
        Requirements and verification
      D.1 Performance requirements
      D.2 Design requirements
      D.3 Verification of compliance with requirements
      D.4 Quality assurance
Annex E (Informative) Application of vacuum drainage systems
      E.1 General
      E.2 System layout
      E.3 Support
Annex F (Informative) Bibliography

Defines system requirements (performance) and the principal requirements for design and installation with related verification and test methods for vacuum drainage systems inside buildings transporting domestic wastewater from dwellings and commercial properties but excluding stormwater and rainwater.