1 Scope
2 Normative references
3 Symbols
4 Family specification for drinking water pipe cables and
  sub-ducts for installation by blowing and/or
  pulling/dragging in/floating into drinking water pipes
  (blank detail specification and minimum requirements)
  4.1 Construction
      4.1.1 General
      4.1.2 Sub-ducts
      4.1.3 Drinking water pipe cables
  4.2 Product descriptions
      4.2.1 Drinking water pipe cables description
      4.2.2 Sub-duct description
  4.3 Optical fibres
      4.3.1 Single-mode dispersion unshifted (B1.1) optical
            fibre
      4.3.2 Single-mode dispersion shifted (B2) optical
            fibre
      4.3.3 Single-mode non-zero dispersion (B4) optical
            fibre
      4.3.4 Multimode fibres
  4.4 Drinking water pipe cable constructions
      4.4.1 Cable for installation within sub-ducts
            (previously installed within the drinking water
            pipe)
      4.4.2 Cable for direct installation into the drinking
            water pipes
      4.4.3 Sub-duct construction
  4.5 Installation and operating conditions
      4.5.1 Tests applicable to cables/cable elements
      4.5.2 Installation conditions
  4.6 Mechanical and environmental tests
      4.6.1 Sub-ducts
      4.6.2 Cable for installation within sub-ducts (previously
            installed into the drinking water pipes)
      4.6.3 Cables for direct installation into the drinking
            water pipe
  4.7 Examples of sub-ducts and drinking water pipe cables
      4.7.1 Cables for installation in sub-ducts within drinking
            water pipe
      4.7.2 Cables for direct installation into drinking water
            pipes
  4.8 Examples of installation schemes of o.f. cables in drinking
      water pipes (Fiber in drinking water pipes)
      4.8.1 Steel - drinking water pipes
      4.8.2 PE - drinking water pipes
Annex A (informative) - O.F. cables for drinking water pipes