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Cable Avoidance and Signal Generator Courses


Cable Avoidance Training Course

Our CAT and Genny Training Course delivers 4 hours of theory and practical instruction.

It provides delegates with the essential knowledge needed to safely and correctly operate a Cable Avoidance Tool (CAT) along with a Signal Generator (GENNY) when tracing underground services to meet the guidance from HSG 47 for Avoiding Danger from Underground Services.

The course involves hands on use of the actual locators to detect and trace the route of buried underground services. This will cover the different types of buried services that exist, current legislation and best practice concerning detecting buried services, the safety implications of not using a locator and associated ancillary equipment, use of local utility plans, observation of evidence in the street etc.

Course Summary

  • Course Duration: Half Day, usually 8:30am to 12:30pm
  • Maximum Instructor/Delegate Ratio: 1:10
  • Delivery Method: Classroom Based Theory & Practical Training and Assessment
  • Prerequisite: None
  • Assessment: Multiple Choice Test Paper, Verbal Questioning and Practical Skills Assessment
  • Certification: Each successful delegate will receive a Certificate of Training (valid for 3 years)

Who Should Attend The Course

Our courses are suitable for anyone involved in excavation work including excavation operators, utilities personnel and supervisors and managers. No previous experience is necessary although some practical experience of groundwork and excavations would be beneficial.

What Will You Get From The CAT and Genny Course

When carrying out any excavation work for utility or other purposes, it is important to ensure that all underground services are effectively located and avoided. This popular course includes the following:
  • The reasons for using locators
    • Safety
    • Plans
    • HSG47
  • Range of features available on CATs (inc C-Scope & CAT4)
  • The theory of locating services
  • Range of modes
    • Power
    • Radio
    • Signal
    • AllScan
    • Depth measurements
  • An outside practical session using a range of equipment


  • Inidividual Costs of £60.00 plus Vat per person
  • Existing Account Customers Cost of £45.00 plus Vat per Person
  • Group Discounts Avaialble