ACS Domestic Manual

Commercial Gas Safety Training Manual

The Commercial Gas Safety Training Manual supports engineers undertaking non-domestic ACS assessments including COCN1, commercial pipework installation, testing and purging, indirect and direct-fired appliances, radiant heaters and gas-fuelled engines.

COCN1
ICPN1
TPCP1
CIGA1
CDGA1
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  • A5 Portable Format
  • Spiral Bound
  • Laminated Covers
  • Assessment + On-Site Reference
  • Via Approved Centres

Inside the Manual

What You'll Find

The manual provides in-depth coverage of commercial pipework design, strength testing and purging to IGEM standards, ventilation calculations, chimney systems, combustion performance analysis, gas controls and commissioning procedures. It reflects current British Standards, IGEM guidance and GS(I&U)R obligations for commercial and industrial gas environments.

Designed for engineers operating in higher-demand commercial installations, this manual functions as both an assessment preparation tool and a comprehensive technical reference, supporting compliance, safety and professional competence in complex plant environments.


Manual Specifications

Built for the Job — Designed for engineers working in the field as much as in the classroom.

  • A5 Format: Compact and portable design, to fit in a work bag, toolbox, or jacket pocket.
  • Spiral Bound: Lies flat on a bench for hands-free reference.
  • Laminated Cover: Durable finish suitable for workshop and site conditions.
  • Dual Purpose: Structured for both ACS assessment preparation and day-to-day use on-site as a reference.

Assessments Covered

Qualifications & ACS Assessments

This manual aligns with the technical knowledge requirements for the following domestic ACS assessments and appliance categories.

Assessment
Appliance / Area Covered
Typical Use
COCN1
Core Commercial Heating Natural Gas Safety and Appliances
Initial & Reassessment / Commercial heating core
ICPN1
Commercial Pipework Installation
Pipework certification / First fix commercial pipework
TPCP1
Commercial Pipework Testing and Purging
Testing & purging certification
CIGA1
Commercial Indirect Fired Heating Appliances and Equipment
Appliance Certification
CDGA1
Commercial Direct Fired Heating Appliances and Equipment
Appliance Certification

How to Obtain This Manual

LCL Awards does not sell training manuals directly. The Domestic Gas Safety Training Manual is supplied through LCL Awards Approved Training Centres and is typically provided as part of a Managed Learning Programme, domestic gas course or ACS reassessment preparation. An Approved Centre can confirm whether this manual is appropriate for your qualification pathway and advise on availability.