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Cold Water

Exam revision materials for Plumbing Level 2&3 and ACS Gas Safety test

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Water Mains

Boosted Cold Water


  • BS EN 806-2:2005 - Specifications for installations inside buildings conveying water for human consumption. Design.
  • BS 6700 - Design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages Specification

  • 0.2 l/s (12 l/min) - MAX boost of the Mains Supply
  • Obtain Written Consent from Water Undertakers if more need to be withdrawn

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Block of flats water supply

  • Separate supply pipes
    separate supply pipes
  • Common supply pipe
    common supply
  • Common distributing pipe
    common distributing

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Water supply in tall buildings

tall buildings requirements cold water supply
  • Water boosted from a Breaker Cistern
    break cistern
  • Use of header pipe
    Use of header pipe
  • Pneumatic Pressure Vessel
    Pneumatic Pressure Vessel
  • Duplicate Pumps - to provide easier service
    Pneumatic Pressure Vessel
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