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Non-Domestic Plant Commissioning & Servicing Record (CP15)

A CP15 is used to record the commissioning and servicing of non-domestic gas plant such as commercial boilers, warm air heaters, and radiant tube heaters. It must be completed by a Gas Safe registered engineer holding the relevant non-domestic ACS qualifications. The record covers appliance performance, combustion analysis, and safety device checks in accordance with IGEM standards.

Gas Safety (Installation and Use) Regulations 1998, IGEM standardsValid: Annual (12 months)

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Sample CP15 certificate

Sample Non-Domestic Plant Commissioning & Servicing Record (CP15) certificate created with CertBox, showing the professional PDF layout with non-domestic appliance identification and location, combustion analysis and gas rate checks, flue integrity and ventilation assessment

Sample CP15 with fictional data. All personal details shown are fake.

What it covers

  • Non-domestic appliance identification and location
  • Combustion analysis and gas rate checks
  • Flue integrity and ventilation assessment
  • Safety device and interlock testing
  • Operating pressure verification
  • Commissioning readings and handover notes

Who needs a CP15?

Facilities managers
Commercial building owners
Schools
Hospitals

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Frequently asked questions about CP15

What is the difference between a CP15 and a CP12?
A CP12 covers domestic gas appliances for landlord compliance. A CP15 is specifically for non-domestic (commercial) gas plant such as commercial boilers, warm air heaters, and radiant tube heaters. The engineer must hold non-domestic ACS qualifications.
How often does non-domestic gas plant need servicing?
Manufacturers typically require annual servicing to maintain warranties. Insurance companies and the Regulatory Reform (Fire Safety) Order 2005 also expect regular maintenance records for commercial premises.

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