Gas fitting documents

Question 1

What is a CoC document

Answer 1

Certificate of Compliance

When a new installation has been completed.

Question 2

What is a GSC document

Answer 2

Gas Safety Certificate

After work has been completed and connected.

Question 3

What is a CoV document

Answer 3

Certificate of Verification

When an existing gas installation has been checked for safety.

Question 4

State a licence class that is required for a gasfitter to be able to complete a COC.

Answer 4

Certifying Gasfitter

Question 5

List SIX items of information that a COC must contain.

Answer 5

• Type of gas the installation is safe to connect to
• The date(s) on which the work was done.
• Signature of the person issuing the certificate and dates of installation and issue
• Description of the work done
• Signature of the person issuing the certificate
• The name and registration number of the person issuing the certificate

Question 6

Other than creating a COC, list TWO further documents or forms that must be completed after the work has been finished.

Answer 6

• Gas Safety Certificate (GSC)

* High Risk Gas Record

Question 7

When performing a safety verification of an existing gas installation to NZS 5255 states that the inspection must be supplemented by appropriate tests. List four

Answer 7

• Room carbon monoxide testing
• Pressure and soundness testing
• Flue spillage testing
• Combustion testing

Question 8

State who is to be provided with a copy of the safety verification results.

Answer 8

• The verifier

* The installation owner

Question 9

List FOUR evaluation methods that may be used to provide evidence of compliance when undertaking a safety verification of an existing installation.

Answer 9

• Documentation
• Interview
• Visual inspection
• Testing
• Questionnaire

Question 10

List THREE approved Codes of Practice relevant to gasfitting.

Answer 10

• Excavation and Shafts for Foundations.
• Hazardous Substances.
• Noise in the Workplace.

Question 11

Explain the purpose of Approved Codes of Practice.

Answer 11

To give preferred work practice

Question 12

State why following the recommendations of Approved Codes of Practice is beneficial if an incident were to occur.

Answer 12

considered as evidence of

good practice in a court.