Assemble pipes and fittings for gas network activities

Business Sectors (Suites): Gas Network Construction Operations,Multi-Utility Network Construction Operations
Developed by: Energy & Utility Skills
Approved on: 01 Mar 2023


​This standard is about assembling pipes and fittings for gas network activities.

It can apply to any type of fuel gas or combinations of fuel gas including, but not restricted to, natural gas, LPG, blended or 100% hydrogen.

This involves selecting and checking the condition of pipes, fittings and equipment, producing assemblies, securing them and working in line with quality and safety requirements and industry standards.

This standard is for those carrying out operations during gas network activities.

Performance criteria

You must be able to:

  1. select the type of pipes and fittings in compliance with work instructions and technical specifications
  2. check components and installation equipment for operability and ensure free from damage
  3. follow procedures to replace any defective pipes or fittings, non-match pipes or fittings and sub-standard pipes or fittings 
  4. select and wear the required personal protective equipment (PPE) in line with organisational procedures
  5. check the condition of the excavation conforms with work instructions and technical specifications
  6. select, prepare and operate installation equipment in accordance with the manufacturer's operational instructions and organisational procedures
  7. position pipes and fittings in accordance with the specification
  8. assemble pipes and fittings to industry standards using appropriate jointing techniques
  9. take adequate precautions to prevent damage to pipes, fittings, tools and equipment during installation
  10. protect installed assets with fine fill in accordance with work instructions and technical specifications 
  11. maintain proximity distances from other utilities apparatus in accordance with technical specifications
  12. ensure installed assets are supported and anchored in accordance with technical specifications
  13. maintain the security and safety of the system and third parties where work is not complete or not to schedule
  14. ensure work practices conform to safe working procedures throughout the work activity
  15. check quality of installation and confirm compliance with organisational policies and procedures 
  16. report to the designated person damage or defects to tools, equipment or materials
  17. report work which is incomplete and not to schedule to the designated person
  18. refer problems and conditions outside the responsibility of the job role to a designated person using approved procedures

Knowledge and Understanding

You need to know and understand:

  1. the main responsibilities of the employer and employee under health and safety legislation
  2. the main responsibilities of the employer and employee under environmental legislation 
  3. the company reporting lines, roles, responsibilities and levels of authority 
  4. safe procedures for handling hazardous materials 
  5. organisational accident recording and reporting procedures 
  6. the range and use of personal protective equipment for the work activity 
  7. different methods of accessing technical specifications from reference documents, manuals, regulations,  codes of practice, risk assessments and method statements and how to interpret them
  8. how to interpret work instructions including drawings, records, work authorisations and other project specific information
  9. the potential dangers and hazards from stored energy, flammability and asphyxiation 
  10. the importance of compliance with current industry standards and organisational policy and procedures for meeting relevant statutory requirements, regulations, and codes of practice 
  11. potential dangers in trenches and excavations 
  12. the dangers of taking actions that can create confined spaces risks in excavations 
  13. the implications of using incorrect plant, tools, materials and system components 
  14. actions to be taken where plant, tools, materials and system fail to meet required specification 
  15. faults associated with use of inappropriate installation methods and tools 
  16. dangers of inadequate handling and lifting procedures


Scope Performance

Scope Knowledge





Links To Other NOS

External Links

Version Number


Indicative Review Date

01 Mar 2026





Originating Organisation

Energy & Utility Skills

Original URN


Relevant Occupations

Gas Network Construction

SOC Code



gas, LPG, hydrogen, network, gas network, construction, operations, assets, components and assets, operative, select, check condition, secure, pipes, fittings, equipment, assemblies