TPCP1 Testing and Purging (>1m³ in Volume) Training Course
Logic4training's TPCP1 Testing & Purging (>1m³ in Volume) course is for experienced operatives who wish to undertake tightness testing and direct purging of installation pipework for natural gas and 2 bar for LPG.
This module is normally undertaken as part of either the Commercial Changeover Gas Safety Package or the Core Commercial Gas Safety Package.
Logic4training’s TPCP1 Testing & Purging (>1m³ in Volume) course is for experienced operatives who wish to undertake more varied work in the commercial sector.
The course covers the skills and knowledge required to undertake tightness testing & purging of installation pipework exceeding 1m³ in volume, up to 16 bar operating pressure for natural gas and 2 bar for LPG*.
*You must hold a core or changeover LPG certificate for this to be relevant
This course includes training and assessment on the following TPCP1 – Tightness Testing & Direct Purging of installation Pipework.
It is for experienced operatives who wish to undertake tightness testing & purging of installation pipework exceeding 1m³ in volume, up to 16 bar operating pressure for natural gas and 2 bar for LPG.
Price includes training, assessment and certification fee
Operatives must hold one of the following qualifications:
- COCN1 – Core commercial Gas Safety qualification or
- CODNCO1 – Changeover domestic to commercial Gas Safety or core catering/changeover to catering.
- Core Catering, Laundry, Metering, LPG or Domestic
Pre course reading is strongly recommended prior to attending this course.
The LCL Awards Commercial Gas Safety Training Manual can be purchased via our online shop.
FAQs
The TPCP1 Testing & Purging course is designed for experienced operatives who wish to undertake tightness testing and purging of installation pipework exceeding 1m³ in volume, with operating pressures up to 16 bar for natural gas and 2 bar for LPG. The course provides both training and assessment, ensuring participants are competent in these critical safety procedures.
Tightness testing ensures that gas pipework is free from leaks before being commissioned or returned to service, preventing potentially hazardous situations. Purging is essential to safely remove air or gas mixtures from pipework, reducing the risk of explosion or fire when introducing or removing gas from the system.
Gas engineers must renew their ACS qualifications, including TPCP1, every five years to remain compliant with Gas Safe Register requirements. You can renew up to six months before your current qualification expires without losing any validity time.
| Feature | TPCP1 (>1m³ in Volume) | TPCP1A (<1m³ in Volume) |
|---|---|---|
| Pipework Volume | Exceeds 1m³ | Up to 1m³ |
| Pressure Range | Up to 16 bar (natural gas), 2 bar (LPG) | Up to 40 mbar, 150mm diameter (natural gas only) |
| Application | Larger commercial/industrial installations | Smaller commercial installations |
| Typical Candidates | Experienced operatives in large-scale systems | Operatives handling smaller systems |
The gas industry is seeing increased demand for advanced technical courses and integration with renewable energy systems. Regular ACS reassessment is essential due to evolving safety standards and regulations. There is also a growing emphasis on practical, hands-on training and compliance with the latest Gas Safety (Installation and Use) Regulations.
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