Understanding Soil Pipe in Plumbing Systems
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Understanding Soil Pipe in Plumbing Systems

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Questions and Answers

What is the purpose of extending at least one vertical stack in the plumbing system through the roof?

  • To increase water pressure in the plumbing system
  • To reduce the size of the soil pipe
  • To prevent clogging of the house drain
  • To ventilate and dispose off the sewer gas above the roof (correct)

    • What is the minimum diameter for the soil stack or stack vent extended above the roof?

  • 50 mm (2")
  • 100 mm (4")
  • 35 mm (1.5")
  • 75 mm (3") (correct)

    • What term is used for a soil pipe installed horizontally?

  • Soil Branch (correct)
  • Waste Pipe
  • Vent Stack
  • Soil Stack

    • What is the purpose of extending the vent stack through the roof of the building?

    <p>Ventilate and dispose off sewer gas</p> Signup and view all the answers

    According to the National Plumbing Code, what is the required length for extending the vent stack above the roof when not used for protection from weather elements?

    <p>No less than 2.0 meters</p> Signup and view all the answers

    What is the term for a soil pipe that carries human waste coming from the water closet?

    <p>Soil Stack</p> Signup and view all the answers

    What is the primary purpose of extending at least one vertical stack in the plumbing system through the roof?

    <p>To ventilate and dispose off the sewer gas above the roof</p> Signup and view all the answers

    What is the minimum diameter for the soil stack or stack vent extended above the roof, according to the National Plumbing Code?

    <p>75 mm (3 inches)</p> Signup and view all the answers

    What is the term used for a soil pipe that does not carry human waste coming from the water closet?

    <p>Waste Pipe</p> Signup and view all the answers

    What is the required length for extending the vent stack above the roof when not used for protection from weather elements, according to the National Plumbing Code?

    <p>2.0 meters</p> Signup and view all the answers

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