Detection of Buried Services for Construction (CAT and Genny)

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Detection of Buried Services for Construction (CAT and Genny)

Total Qual. Time

3-4 Hours

CAT (Cable Avoidance) and Genny (Signal Generator)

This course can be adapted to suit the client’s requirements, training can be delivered on site using the client’s training room or at a convenient, suitable location.

Who should attend

This course is for anyone who is involved in excavation or survey work on construction sites to detect the presence of underground services. This course is ideal for roles such as ground survey teams, excavation operatives, those needing to detect services prior to carrying out work, it is also suitable for those supervising or managing these operations.

Duration: 3 – 4 Hours
Max Delegates: 8


This is a classroom-based presentation with practical application on the safe use of the CAT (Cable Avoidance Tool) and Genny (Signal Generator), the course can also encompass the use of the flexible trace wire and sonde for locating underground pipes such as surface and foul drainage.

When delivered at a client premises the client is requested to provide a CAT and Genny per 2 delegates over 4 attendees, for example 6 attendees on the course the client should provide 1x CAT and 1x Genny, 8 delegates the client should provide 2x CAT’s and 2x Genny’s.

Operatives attending the course are requested to bring a Hi vis vest or jacket, or full site PPE if the training will take place on a construction site.

Course Aims

The aim of this course is to provide an overview of the standard Radio Detection ‘CAT’ (Cable Avoidance Tool) and Genny (Signal Generator) to meet the HSG47 Health and Safety guideline for avoiding danger from underground services. Each candidate will be instructed in the correct location techniques, methods of detection and limitations of equipment.


On completion of this training, delegates will be able to:The purpose of this standard is to provide candidates with the knowledge and skills to safely locate buried services using the cable avoidance tool (CAT) and generator (genny).

The scope of this standard covers:
HSG47 requirements
locator operation, theory, limitations
using CAT and genny locators and software
inspection, calibration and testing equipment
safe working practices
permit to work.

Learning Outcomes

By the end of the course delegates will be able to:
Identify the key requirements of HSG47
Outline the main components of buried service plans
Describe the operation of a CAT and genny locator
Use a CAT and genny locator and software
Inspect, calibrate, and test location equipment
Describe what a permit to work is, and why it is needed for detecting buried services

More information

CITB Grants

CITB Grant Course Code: GET2374

Grant: Tier 2 = £70 per person (Non-lifetime, grant renewal)

Workforce Skills Support has CITB Approved status delivering CITB Assured Courses as listed in the Construction Training Directory. We are recognised by CITB as well as the British Construction Industry as a training provider who can deliver good quality training that meets the industry approved standards. We are part of the CITB’s automated grant payments system, making it easier for employers to book courses with us for their workers and be reimbursed for it.

Please note: There is a cap on how many times an employer can claim a Short duration course achievement grant. The link directs you to the CITB website for information on the amount of claims allowed based on your last levy return.

If a candidate has been paid grant for a particular course in a lifetime, they will not be eligible for grant again for the same course, unless it has specific refresher standards published on the short duration course register.

If refresher course standards do exist for a particular course, then only one refresher is grant eligible in a lifetime for each candidate.


Workforce Skills Support accredited certificate

Expiry: 3 years
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Places Available For This Course

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