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Large Diameter Mainlaying

Course Unit: Level 2 Certificate Diploma Network Construction Operations (6028) Mainlaying Large Diameter

Course Duration 5 Days


There are two Mainlaying pathways to choose from:

  • Self Lay (e.g. Multi Lay) or Distribution

​Option available to do additional units related to Escape, Leak & Repair


On completion of the course participants should be able to:

  • Create an efficient and effective environment
  • Maintain a safe and secure working environment
  • Establish and maintain effective working relationships
  • Install equipment for safe working on the highway
  • Install equipment for safe working on sites
  • Excavate and maintain holes and trenches
  • Operate powered tools and equipment
  • Join materials by Electrofusion processes
  • Join material by Butt fusion process up to 180mm
  • Conduct specified testing of products
  • Conduct specified connections to gas mains and commissioning
  • Install gas products up to 180mm


Classroom/Workshop based training and assessment Portfolio building

Pre Course Requirements

Candidates with on-site experience, including water and multi lay operatives, who ideally hold a Level 1 qualification

Who Should Attend?

Those carrying out mainlaying activities

Course Numbers

Maximum 8 learners.