PREN 14636-2 : DRAFT 2009

Foreword
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
  3.1 Terms and definitions
  3.2 Symbols and abbreviations
4 General requirements
  4.1 Materials
      4.1.1 General
      4.1.2 Resin
      4.1.3 Aggregates and fillers
      4.1.4 Elastomers
      4.1.5 Metals
      4.1.6 Minimum resin content
  4.2 Appearance
  4.3 Reference conditions for testing
      4.3.1 Temperature
      4.3.2 Properties of water for testing
      4.3.3 Loading conditions
      4.3.4 Measurement of dimensions
  4.4 Joints
      4.4.1 General
      4.4.2 Maximum angular deflection and/or maximum
            draw of flexible joints
      4.4.3 Joint seals
      4.4.4 Adhesives
5 Manholes and inspection chamber units
  5.1 Classification
      5.1.1 General
      5.1.2 Intended use of structure
      5.1.3 Type of unit
  5.2 Designation
  5.3 Geometrical characteristics
      5.3.1 Chamber rings and shaft rings
      5.3.2 Slabs and Tapers
      5.3.3 Positioning of installed steps
      5.3.4 Size of openings in manholes
      5.3.5 Base units containing pipe connections
  5.4 Mechanical characteristics
      5.4.1 Crushing strength of chamber rings or shaft rings
      5.4.2 Vertical crushing strength of slabs and tapers
      5.4.3 Compressive strength of polyester resin
            concrete (PRC)
      5.4.4 Leak-tightness of manholes and inspection
            chambers and their joints
      5.4.5 Long-term crushing strength of chamber rings
            or shaft rings under media attack
      5.4.6 Load bearing capacity of installed steps
  5.5 Marking of manhole and inspection chamber units
6 Dangerous substances
7 Manufacturer's installation recommendations
8 Evaluation of conformity
  8.1 General
  8.2 Initial type testing
      8.2.1 General
      8.2.2 Characteristics
      8.2.3 Use of historical data
      8.2.4 'Deemed to satisfy' provisions and use of
            reference tabulated data
      8.2.5 Treatment of calculated values and design
      8.2.6 Sampling, testing and conformity criteria
  8.3 Factory production control (FPC)
      8.3.1 General
      8.3.2 FPC requirements for all manufacturers
      8.3.3 Manufacturer-specific FPC system requirements
  8.4 One-off products, pre-production products (e.g.
      prototypes) and products produced in very low
      quantities
      8.4.1 General
      8.4.2 For initial type assessment
Annex A (normative) - Determination of a chamber ring's or
        shaft ring's crushing strength and bending tensile
        strength using a ring test piece
  A.1 Scope
  A.2 Principle
  A.3 Apparatus
  A.4 Test pieces
  A.5 Procedure
  A.6 Calculations
  A.7 Test report
Annex B (normative) - Test method for the determination of
        a chamber ring's or shaft ring's crushing strength
        or the ring bending tensile strength using test
        pieces sawn from a ring
  B.1 Scope
  B.2 Principle
  B.3 Apparatus
  B.4 Test piece
  B.5 Test procedure
  B.6 Calculations
  B.7 Test report
Annex C (normative) - Test method for the determination
        of the vertical crushing strength of slabs tapers
  C.1 Scope
  C.2 Principle
  C.3 Apparatus
  C.4 Preparation
  C.5 Procedure
  C.6 Test report
Annex D (normative) - Test method for the determination of
        the compressive strength of polyester resin concrete
        (PRC) using test pieces which are cut from a unit
  D.1 Scope
  D.2 Principle
  D.3 Apparatus
  D.4 Test pieces
  D.5 Procedure
  D.6 Calculations
  D.7 Test report
Annex E (normative) - Test method for the determination
        of the resistance of installed steps to vertical
        and horizontal loading
  E.1 Scope
  E.2 Principle
  E.3 Apparatus
  E.4 Preparation
  E.5 Procedure
  E.6 Test report
Annex F (normative) - Method for the assessment of the
        leak-tightness of a manhole or inspection
        chamber and its joints under short term exposure
        to internal water pressure and negative pressure
  F.1 Scope
  F.2 Principle
  F.3 Apparatus
  F.4 Test pieces
  F.5 Procedure
  F.6 Test report
Annex G (normative) - Test method for the determination of
        the long-term crushing strength (50 years evaluation
        point) of a chamber ring or a shaft ring, including
        the effects of media attack
  G.1 Scope
  G.2 Principle
  G.3 Apparatus
  G.4 Test pieces
  G.5 Test solutions
  G.6 Procedure
  G.7 Evaluation
  G.8 Test report
Bibliography

Describes units made from polyester resin concrete and their joints, for the construction of inspection chambers with inverts not exceeding 2 m deep and for manholes, intended to be used within a drain or sewer system operating without pressure.