03/115115 DC : DRAFT OCT 2003

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
   4.1 Symbols
   4.2 Abbreviations
5 Material
   5.1 General
   5.2 Removal material
6 Effect of materials on water quality
7 Material classification
   7.1 MRS value
   7.2 Overall service (design) coefficient
   7.3 Design Stress
8 Classification and selection of pipes
   8.1 Classification
   8.2 Calculation of the wall thickness
   8.3 Determination of the allowable operation pressure,
        PFA, for temperatures up to 45 degree C
   8.4 Derating factor related to application of the system
9 General requirements for pipes
   9.1 Appearance
   9.2 Opacity
10 Geometrical characteristics for pipes
   10.1 Measurement
   10.2 Outside diameters and wall thicknesses
   10.3 Pipes with integral sockets
   10.4 Plain ends
11 Mechanical characteristics of pipes
   11.1 Resistance to hydrostatic pressure
        11.1.1 Pipes
        11.1.2 Pipes with integral socket
        11.1.3 Pressure testing
   11.2 Resistance to external blows at 0 degree C
   11.3 Ring stiffness
12 Physical characteristics
   12.1 Tensile strength
13 Mechanical characteristics of assemblies, including joints
   13.1 Assemblies with non-end-load-bearing joints
   13.2 Short-term pressure test for leak tightness of
        assemblies
        13.2.1 Test procedure
        13.2.2 Test pressure
   13.3 Short-term negative pressure test for leaktightness
        of assemblies
   13.4 Long-term pressure test for leak tightness
        13.4.1 Test procedure
   13.5 End-load-bearing joints - Pressure and bending test
        for leak tightness and strength
14 Elastomeric sealing rings
15 Marking
Annex A (normative) Temperature derating factor
Annex B (informative) Ring stiffness of pipes
  B.1 Calculation of initial ring stiffness
  B.2 Negative pressure capacity of pipes
Annex C (informative) Minimum depth of engagement of sockets
  C.1 General
  C.2 Calculation of depth of engagement
Annex D (informative) Explanation of calculated pressures for long
                      term leak tightness testing
Annex E (normative) Establishment of the minimum required
                    strength (MRS)
  E.1 Test conditions ISO 9080, clause 4.1
  E.2 Full qualification
  E.3 Provisional qualification