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Andrew Smith
Andrew Smith, Engineer
Category: UK Plumbing
Satisfied Customers: 3629
Experience:  Domestic Gas, Commercial Gas, LPG, Unvented Hot Water, Part P Electrical, Commercial Catering
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What does it mean to carry out soundness check in plumbing

Customer Question

What does it mean to carry out soundness check in plumbing system?
JA: Thanks. Can you give me any more details about your issue?
Customer: Doing a plumbing course and been given a scenario of a dripping tap. Fixed the dripping tap but need to carry out full soundness check of main fed cold water system with open vented hot water system. thanks.
JA: OK got it. Last thing — Plumbers generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 1 year ago.
Category: UK Plumbing
Customer: replied 1 year ago.
Any response to my question yet?
Expert:  Brian replied 1 year ago.

Hi this just means to check if the system has any further leaks.

Soundness Test

  • BS 6700 - requirements for testing copper/plastic pipework
  • Testing non-plastic pipes
    • the installation shall be pumped up to 1.5 times the normal working pressure
    • the test shell be for 1 hour
    • during this there should be no visible leaks and no loss of pressure
  • Testing systems containing plastic pipes
    • Test A
      • Pumping for 30 minutes and pressure is noted
      • the pressure is reduced to one third of the test pressure
      • the pressure does not drop over the following 90 minutes
      • there is no visible leaks through out the test
    • Test B
      • Pumping for 30 minutes and pressure is noted
      • the drop in pressure is less than 0.6 Bar (60kPa) after a further 30 minutes
      • and less than 0.2 Bar after the next 120 minutes
Customer: replied 1 year ago.
Pls reply to my follow up question.
Expert:  Brian replied 1 year ago.

Sorry I have no knowledge of a follow up question. I will opt out for you it may be clearer for one of my colleagues

Expert:  Andrew Smith replied 1 year ago.

Are you looking to test the cold water system or the hot water system too?

Customer: replied 1 year ago.
Both Hot and cold water soundness test is needed.