HFRS Firecraft 001:Water Supplies

Card Set Information

Author:
mikethesprog
ID:
152897
Filename:
HFRS Firecraft 001:Water Supplies
Updated:
2012-05-08 11:11:13
Tags:
Fire Service Water Supplies
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Description:
HFRS SIS questions
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The flashcards below were created by user mikethesprog on FreezingBlue Flashcards. What would you like to do?


  1. Describe the water distribution network
  2. What is water hammer?
    Water passing through a pipe has weight & speed. Stopping (checking) this flow suddenly turns into pressure which has to be absorbed by the pipe and fittings. The sudden shock could burst or damage the water main.
  3. List 7 points to remember when opening a hydrant.
    • Open slowly
    • Close slowly
    • Ensure valve closed after use
    • Check frost valve works
    • Ensure pit left clean and dry
    • If flooded do not remove standpipe until valve closed
    • Do not remove standpipe where supply fails or not available until valve is closed
  4. List the classes of hydrant
    • Class A: Standard use - non motorway class roads
    • Class B: Motorway class roads
    • Class C: Emergency Water Supplies
    • Class D: Meter Bypass

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