City & Guilds Level 2 Diploma in Network Construction Operations - NCO2 GAS Main Layer

Course details

This City & Guilds Level 2 Diploma in Network Construction Operations (Gas Main Layer) is designed for operatives who install and maintain gas mains on the public gas network. The course covers essential skills including pipe-laying, mains connection, testing, and reinstatement. It provides nationally recognised certification to progress your gas utility career.

Who Should Attend?

• Gas operatives progressing from NCO1 to main layer responsibilities
• Individuals working on gas main construction or maintenance
• Employers seeking formal qualification pathways for gas network staff
• Candidates seeking recognised certification to work on live gas mains

NCO2 GAS Main Layer Course Content

This comprehensive course encompasses both theoretical knowledge and hands-on experience in gas main laying.

• Safe excavation, support, and reinstatement techniques
• Installation of gas mains using approved materials and jointing methods
• Testing, purging, and commissioning procedures for gas mains
• Understanding pipeline construction drawings and specifications
• Site safety, hazard identification, and environmental controls
• Compliance with industry regulations and health & safety standards

Course Duration & Format

• Duration: Approximately 10 days of intensive training, combining classroom instruction with practical field exercises. ​
• Mode of Delivery: Face-to-face sessions, providing hands-on experience with the tools and techniques used in gas main laying.​
• Location: Training can be at one of our Pragmatic Training Centres or on site.

Certification and Progression

Assessment is by means of practical site assessments, written tasks, and portfolio evidence.

Upon successful completion, candidates will receive the City & Guilds Level 2 Diploma in Network Construction Operations (Gas) – Main Layer qualification. This certification is recognised by the Energy & Utility Skills Register (EUSR), facilitating site access for main laying activities. ​

EUSR registration is valid for five years and is renewable upon completion of refresher training or demonstration of continued competence. Holding this qualification also opens pathways to advanced roles, such as supervisory positions or specialised technical roles within gas network operations.​

Prerequisites

While prior experience in the gas industry is beneficial, it is not mandatory. However, candidates must obtain the EUSR Safety, Health, and Environmental Awareness (SHEA) Gas Passport before accessing construction sites. ​

Advance your expertise in gas main laying with our comprehensive training program, designed to equip you with the skills and qualifications recognised across the industry.

Why Choose This Course?

• Qualifies you to install and work on gas mains in public utility environments
• Industry-recognised certification aligned with City & Guilds and EUSR standards
• Builds technical and safety competence for complex gas network work
• Opens progression routes toward supervisory and higher NCO levels

Frequently Asked Questions

Q: What is the NCO2 Gas Main Layer qualification?
A: A Level 2 City & Guilds diploma that certifies your ability to install, maintain, and test gas mains on the public network.

Q: Do I need NCO1 before enrolling?
A: Yes. You must hold an NCO1 Gas Assistant qualification or demonstrate equivalent experience.

Q: How long does the course take?
A: The training and assessments usually span several weeks and include both centre-based learning and on-site practical assessment.

Q: Is this qualification recognised by the industry?
A: Absolutely. It’s City & Guilds accredited and aligns with EUSR and utility contractor requirements.

Q: Does this course include service laying?
A: No, this course focuses exclusively on gas main laying. For service layer training, please refer to our dedicated NCO2 Service Layer course.

Other courses you might be interested in

• City & Guilds Level 1 Certificate in Network Construction Operations - NCO1 GAS Assistant
• City & Guilds Level 2 Diploma in Network Construction Operations - NCO2 GAS Service Layer
• City & Guilds Level 2 Diploma in Network Construction Operations - NCO2 GAS Conversion Main and Service Layer

If you have any questions about this or any other course, please get in touch on 01926 674340