| COCNPI 1LS | Tests the gas safety competence of an engineer in common core areas of non-domestic gas work. (Part A) |
| COCN1 | Core areas of gas work common to non-domestic heating appliances. |
| CCLNG1 | Core areas of gas work common to non-domestic laundry appliances. |
| ICAE1 LS | Placing, erecting and installing first fix non-domestic appliances/equipment without connection to a live gas supply. ICPN1 LS required for pipework connection of diameter > 35mm. |
| ICPN1 | First fixing of Natural Gas & LPG non-domestic installation pipework including the installation of check meters up to a maximum operating pressure of 16bar |
| ICPN1 LS | First fixing of Natural Gas & LPG installation pipework in non-domestic premises including the installation of check meters, without connection to a live gas supply. |
| TPCP1 | Pneumatic strength testing, tightness testing and direct purging of non-domestic natural gas and LPG installations, MOP ≤ 16bar |
| TPCP1A | Strength testing, tightness testing and direct purging of small, low pressure Natural Gas non-domestic gas installations. Any section of pipework of volume ≤ 1m³, MOP ≤ 40mbar at outlet of the primary meter regulator with supply MOP ≤ 75mbar and diameter ≤ 150mm where lengths are limited to maximum in tables in IGE/UP/1A. |
| BMP1 | Assembly, install, commission, service, repair and break down of gas booster installations, associated controls and pipework ≤ 0.5bar pressure and pipework ≤ 50mm. |
| CCP1 | Commissioning non-domestic indirect gas fired heating plant and equipment containing atmospheric burners or forced draught burners. |
| CDGA1 | Install, commission, service, repair and break down of direct fired forced convection non-domestic heating equipment with either 100% fresh air supply or re-circulated air with forced draught or atmospheric burners. |
| CGLP1 | Install, commission, exchange, disconnect, service, repair, and break down small LPG fired generators of rating 3kW to 24kW |
| CIGA1 | Install, commission, service, repair and break down of Non-Domestic indirect gas fired heating appliances and equipment. Non-domestic gas fired forced convection air heaters and gas fired hot water boilers of rated heat input between 70kW and 2MW, including internally installed gas fired absorption heat pumps |
| CLE1 | Install, commission, exchange, disconnect, service, repair, and break down non-domestic laundry appliances including tumble dryers, rotary ironers, heater washer extractors. |
| CORT1 | Install, commission, service, repair and break down of non-domestic overhead luminous radiant plaque and Type A (flueless) and Type B (flued) overhead radiant tube heaters. |
