What is the ACS Gas Scheme?

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What is the ACS Gas Scheme?

The Nationally Accredited Certification Scheme (ACS) is the industry recognised and accepted route for operatives to gain a certificate of competence, needed to become a member of the Gas Safe Register. ACS covers all areas of gas work including domestic NG, LPG, commercial heating,commercial catering, commercial laundry, meter installation and emergency service provision. The scheme is overseen by the United Kingdom Accreditation Service (UKAS) who has accredited BPEC as the certification body for the ACS Gas Scheme.

Joining the Gas Safe Register

  • You need to achieve your ACS Gas Scheme qualification (or S/NVQ equivalent) in the areas of work in which you want to be registered, the City and Guilds awarded 6012 range of Gas Services NVQs for:
    • The installation and maintenance of natural gas at levels 2 and 3
    • Appliance pathway routes
    • Emergency service operations
  • On receipt of your certificate of competence, you will then be ready to apply to Gas Safe Register. Your chosen assessment centre will have downloaded your details to Gas Safe Register at the same time as issuing your ACS certificate of competence.
  • A probationary period is required by Gas Safe Register for newly qualified operatives or lapsed registration.
  • During the probationary period you must keep a record of all gas work carried out for Gas Safe Register to inspect. Certain tasks, like the installation of an appliance, must be notified to Gas Safe Register as detailed in the rules of registration.
  • Registration with the Gas Safe Register is a legal requirement for anyone carrying out gas work in the United Kingdom, Isle of Man and Guernsey.
  • ACS certificates are normally valid for 5 years. On expiry, candidates are eligible to take re-assessment. The re-assessment can be taken up to 6 months prior to the expiry date of the initial qualification without losing out (MOT Style). Previous certificates must be presented to the assessment centre as evidence of holding the initial qualification.

ACS Gas Scheme Elements Required

In all areas of gas work there is a core gas safety element which must be achieved before an individual appliance assessment can be undertaken. There are core gas safety elements for domestic NG, LPG, commercial heating,commercial catering, commercial laundry, emergency service provider and metering under the ACS Gas Scheme.

For Example:

Domestic Natural Gas:

  • Core Domestic Gas Safety – CCN1 (compulsory), now includes combustion performance analysis

Once this has been completed, the appliance assessment relevant to your work can be completed:

  • Central Heating Boilers & Water Heaters – CENWAT
  • Cookers – CKR1
  • Gas Fires – HTR1
  • Meters – MET1
  • Warm Air Heaters – DAH1

For those moving from one ACS core to another there are changeover assessments that will assess the candidate in the areas that are not common to the original core. The candidate would then take the relevant appliance elements in relation to their specific job. Candidates should speak to their local approved ACS centre before undertaking the changeover assessment as additional training or experience may be necessary.

For Example:

  • CODNCO1 – Changeover from Domestic Natural Gas to Commercial Natural Gas
  • ICPN1 – Installation of Commercial Pipework
  • TPCP1A – Testing and Purging of Low Pressure Commercial Pipework, not exceeding 1m3 in volume, 21 mbar operating pressure – NG
  • CIGA1 – Installation of commercial indirect fired appliance

Probationary Registration

When you apply for registration you will be given a probationary registration status. The means your business is fully registered and able to carry out gas work, but you must adhere to the requirements laid out below for the probationary period.

What you need to know about the probationary period:

  • Probation lasts three months
  • You must keep records of your gas work and notify all completed work to us – there will be no charge for this. The details of what we require can be found in Section 3b of the Rules of Registration
  • We will consider any history you already have on the registration scheme and use that to inform your progress through the probationary period.
  • Businesses will move out of probationary registration only when they have demonstrated their competence through our inspection process
  • We reserve the right to extend the probationary period if the gas work notified to us and inspected by us is not of a satisfactory standard or representative of the categories of registration held by your business or engineers. Should this happen we will give you support to help you complete the probationary period.

Your registration is valid for 12 months and you will need to renew one year from the date you registered.

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