Describe the planning process – obtaining information on underground services, provision of plans by service owners, use and limitations of plans, duties as a contractor, explain process of detecting services, types and use of cable locators and devices, exposing services, marking identified services, excavation safety, backfilling, updating plans etc (Ref HSG47)

Describe process of planning for work near to overhead power lines describe the different types of overhead power lines and their height, use of barriers, working near overhead lines, establishing exclusion zones, safe operating distances, emergency procedures etc (Ref GS6 4^th edition & Energy Networks Association – Look out look up)