Cat & Genny Training in Gloucester
Training locations
Gloucester & Gloucestershire
Workforce training on suitable customer sites, plus centre-based courses at our nearby Tewkesbury training facility.
Refresher training
Previously trained?
Refresh or renew existing knowledge where suitable previous recognised CAT & Genny certification is held.
Novice Operator
Never formally trained?
Structured CAT & Genny instruction for candidates who need to learn cable avoidance equipment from the beginning.
Previous certification
Certificate expired?
Refresher training may be suitable for expired certification or recognised accredited training previously gained through another awarding body.
CITB Funding:
CITB Funding may be available for the Cat & Genny Training Course.
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GLOUCESTER • GLOUCESTERSHIRE • WORKFORCE TRAINING Cable Avoidance Training for Gloucester Workforces
Practical CAT & Genny training in Gloucester for construction, utilities, groundworks and civil engineering teams working around underground services. Train your workforce on-site or send candidates to our nearby Tewkesbury training centre.
✓ NOVICE TRAINING ✓ REFRESHER TRAINING ✓ HSG47 PRINCIPLES ✓ GLOUCESTER ON-SITE ✓ TEWKESBURY CENTRE
Cable Avoidance Training for Gloucester Workforces
Practical CAT & Genny training in Gloucester for construction, utilities, groundworks and civil engineering teams working around underground services. Train your workforce on-site or send candidates to our nearby Tewkesbury training centre.
Need CAT & Genny training in Gloucester for employees who are responsible for locating underground services before excavation or other ground-disturbing work begins?
Vally Plant Training delivers practical CAT & Genny training, cable avoidance training and underground service detection training throughout Gloucester and the surrounding Gloucestershire area.
For local employers, training can be delivered directly at a suitable workplace or construction site. This is particularly useful for groundworks, civil engineering, drainage and utilities companies with several employees who need the same training without losing unnecessary time travelling away from the job.
We are also unusually convenient for individuals looking for CAT & Genny training near Gloucester. Our dedicated training centre is in Tewkesbury, Gloucestershire, giving Gloucester candidates the option of travelling to us when workplace delivery isn’t practical.
The course teaches candidates how to use a Cable Avoidance Tool (CAT scanner) and Signal Generator (Genny) as part of a planned approach to locating buried services. It also addresses the limitations of locating equipment and why a scan must never be treated as a guarantee that the ground is clear.
HSE guidance HSG47 – Avoiding Danger from Underground Services identifies three basic elements of safe excavation: planning the work, locating and identifying buried services, and safe excavation.
CAT & Genny training with Vally Plant Training is available through Novice and Refresher routes. We do not offer an Experienced Worker Test for CAT & Genny.
For complete national course information, visit our NPORS CAT & Genny Training Course.
CAT & Genny Training in Gloucester
✓ Course: CAT & Genny / Cable Avoidance
✓ Duration: Normally 1 Day
✓ Candidates: Maximum 6 Per Course
✓ Routes: Novice • Refresher
✓ Training: Gloucester On-Site • Tewkesbury Centre
✓ Centre Price: From £280 + VAT Per Person
Is CAT & Genny training relevant to your job?
If your work involves breaking ground where buried services could be present, cable avoidance needs to be considered before excavation begins.
That doesn’t only mean large construction projects.
A relatively small excavation for drainage, ducting, fencing, foundations, utilities or maintenance can still expose workers to buried electricity cables, gas pipes and other services.
Our Gloucester CAT & Genny course is suitable for people including:
- Groundworkers
- Excavator operators
- Utility operatives
- Drainage teams
- Civil engineering workers
- Highway contractors
- Telecommunications teams
- Site engineers
- Construction workers
- Maintenance personnel
- Landscapers carrying out excavation
- Supervisors responsible for groundworks
The important question is not simply “Do we own a CAT scanner?”
It’s whether the person using it understands how to carry out a meaningful search, when to use the Genny, what the indications mean and where the equipment’s limitations begin.
Why Gloucester companies use Vally Plant Training
Gloucester is one of our core training areas, so local businesses have two practical options.
Where a company has several employees requiring training and suitable facilities are available, we can provide CAT & Genny training at the customer’s Gloucester site.
Alternatively, candidates can travel to our dedicated training centre in Tewkesbury.
That flexibility can be particularly useful for companies with a mixture of training requirements. Groundworks businesses often need competence across several activities rather than a single course in isolation.
Employees may require CAT & Genny training alongside:
- Excavator training
- Dumper training
- Ride-on roller training
- Plant marshal training
- Other plant operator categories
Vally Plant Training is a family-run provider established in 2014. We are an NPORS Approved Training Provider and CITB Training Provider Network Member, delivering training directly to employers and operators.
For Gloucester businesses, that means you can discuss the actual workforce requirement with the company delivering the training rather than booking through an intermediary.
Which CAT & Genny course do I need?
There are two routes available: Novice and Refresher.
CAT & Genny is different from many of our plant machinery categories because there is no Experienced Worker Test route.
Novice CAT & Genny training
Novice training is for candidates who don’t hold the suitable previous recognised CAT & Genny training needed for the refresher route.
That includes people who are completely new to cable avoidance equipment, but it can also include workers who have picked up informal experience on site without ever completing recognised training.
Being able to switch a CAT on isn’t the same as understanding how to conduct a systematic underground service search.
Novice candidates learn the process from the beginning, including:
equipment checks • locating modes • Signal Generator use • systematic searching • service tracing • interpreting indications • equipment limitations • underground service hazards
If you’re new to formal training, read our NPORS Novice Training Guide.
CAT & Genny refresher training
Refresher training is intended for candidates who have already completed suitable recognised training and need to update or renew their knowledge.
It may be appropriate where:
- A CAT & Genny certificate has expired
- Certification is approaching renewal
- The employee hasn’t used the equipment regularly
- An employer requires updated training
- Knowledge and practical technique need refreshing
- Recognised accredited certification was previously obtained from another awarding body
If you’re unsure whether your previous certificate qualifies, contact Vally Plant Training before booking.
Read our NPORS Refresher Training Guide for further information about refresher training.
What does CAT & Genny training cover?
A useful CAT & Genny course needs to teach more than the controls on the equipment.
Candidates need to understand where cable avoidance fits into the overall excavation process.
Training can include:
- Responsibilities when working near buried services
- Hazards associated with underground utilities
- HSG47 principles
- Understanding service information and drawings
- Pre-use equipment checks
- CAT controls and operating modes
- Signal Generator / Genny operation
- Passive locating methods
- Active locating techniques
- Systematic scanning
- Tracing suspected service routes
- Interpreting locator responses
- Marking detected services
- Equipment limitations
- Re-scanning during excavation
- Safe excavation principles
- Actions when information doesn’t agree
The practical element allows candidates to use the equipment rather than learning cable avoidance purely from theory.
HSG47 – planning comes before digging
The Health and Safety Executive’s HSG47 – Avoiding Danger from Underground Services is important because it places cable avoidance equipment within a much bigger safety process.
HSG47 is aimed at people commissioning, planning, managing and carrying out work on or near underground services and identifies three basic elements of a safe system of work:
1. Planning the work
2. Locating and identifying buried services
3. Safe excavation
That sequence matters.
Turning up at an excavation with a CAT scanner doesn’t replace planning.
Likewise, detecting and marking a service doesn’t remove the need to excavate carefully.
Our Working Near Underground Services Guide provides further practical guidance for operators and employers.
What can be buried underneath a Gloucester worksite?
Workers sometimes associate cable avoidance purely with electricity.
The underground environment can be considerably more complicated.
Depending on the site, buried services can include:
- High and low-voltage electricity cables
- Gas services
- Water mains
- Telecommunications
- Fibre networks
- Drainage and sewer systems
- Street lighting supplies
- Traffic-system cabling
- Private electrical supplies
- Services associated with industrial premises
Some may be easier to detect than others.
That’s one reason the course places emphasis on equipment limitations rather than creating false confidence that every underground service will always appear during a scan.
CAT scanner and Genny – why use both?
The CAT and Genny perform related but different functions.
A Cable Avoidance Tool can detect suitable signals associated with buried services.
The Signal Generator – commonly called the Genny – can be used to apply a detectable signal to a suitable service, helping the operator trace its route using compatible locating equipment.
Candidates need to understand when active locating techniques may provide useful additional information instead of relying solely on whatever passive signals happen to be present.
A competent survey is therefore more than walking over the proposed excavation once in a single mode.
Why “nothing detected” doesn’t mean “nothing there”
This is one of the most important lessons for anyone involved in groundworks.
No locator response is not proof that the ground contains no services.
The ability to detect a buried service can depend on the type of service, its material, signal availability, depth, surrounding services, site conditions and the method being used.
That means the survey needs to be considered alongside:
service plans + site information + visual clues + locating equipment + safe excavation controls
A worker who understands those limitations is far less likely to develop false confidence from a clear screen or lack of audible response.
For further information, see our Working Near Underground Services Guide.
What if the CAT scan doesn’t match the service drawing?
This is where training and judgement become particularly important.
Service drawings provide valuable information, but workers should not assume that every buried utility will be exactly where a plan appears to show it.
If the physical survey and available service information don’t agree, that discrepancy needs to be taken seriously.
The answer isn’t to choose whichever result is more convenient and start digging.
Work may need to be reassessed and additional investigation carried out before excavation proceeds.
This is also why cable avoidance should be part of a planned safe system of work, rather than treated as a stand-alone box-ticking exercise immediately before the excavator starts.
CAT & Genny training for Gloucester excavator operators
A lot of demand for cable avoidance training comes from businesses that also operate excavators.
There is an obvious connection between the two activities, but the competencies remain separate.
An operator may hold an NPORS excavator qualification and still need appropriate training before being responsible for locating underground services.
Likewise, completing a CAT & Genny course doesn’t qualify someone to operate an excavator.
If your employees need both, visit our 360 Excavator Training Course. Vally Plant Training provides excavator training at its Tewkesbury centre and on suitable customer sites.
Cable avoidance before mechanical excavation
Once a service has been located, the information needs to be communicated to the people carrying out the work.
That may include:
- Excavator operators
- Groundworkers
- Supervisors
- Banksmen
- Site management
- Subcontractors
Service markings need to remain meaningful and the excavation method must reflect the risks identified.
A painted line on the ground should never be treated as permission to drive an excavator bucket straight up to a suspected service.
Locating the service is one stage. Excavating safely around it is another.
Re-scanning shouldn’t be forgotten
A CAT survey is often thought of as something that happens once before excavation starts.
In reality, the work area changes as excavation progresses.
Ground is removed, previously inaccessible areas become exposed and additional information may become available.
Re-scanning can therefore help maintain awareness of the suspected service route as work develops.
This is particularly important where excavation extends beyond the original work area or where site conditions create uncertainty about the route of a service.
CAT & Genny training and permit-to-dig procedures
Many construction and civil engineering companies control excavation through a permit-to-dig system.
CAT & Genny training can support that process, but it does not replace it.
A permit system may bring together information including service drawings, risk assessments, locating results, markings, excavation methods and authorisation to begin work.
The CAT & Genny user’s role is to provide reliable information from the locating process and understand the limitations of that information.
The wider excavation controls remain important throughout the job.
On-site CAT & Genny training in Gloucester
For businesses with several candidates, we can provide on-site CAT & Genny training across Gloucester and surrounding Gloucestershire locations, subject to suitable equipment and facilities.
This can be particularly useful for contractors operating around:
Gloucester • Quedgeley • Hardwicke • Brockworth • Churchdown • Hucclecote • Innsworth • Barnwood and surrounding areas
On-site delivery can reduce employee travel and allow several members of the workforce to complete training together.
It can also be useful where a Gloucester business needs multiple courses. If employees require excavator, dumper, roller or other plant training as well, tell us the full requirement when requesting a quotation.
Training near Gloucester at our Tewkesbury centre
Gloucester candidates are also well placed to use our dedicated Tewkesbury plant training centre.
This gives individuals and smaller businesses an alternative when they don’t have enough candidates, equipment or suitable facilities to justify an on-site course.
The centre is located at Newton Farm Business Park, Ashchurch, Tewkesbury, close to Junction 9 of the M5.
Centre-based training is particularly suitable for:
- Individuals
- Self-employed workers
- Single employees
- Smaller Gloucester businesses
- Candidates without suitable workplace equipment
- People requiring refresher training
- Candidates who prefer a published centre price
Parking is available, and Ashchurch for Tewkesbury railway station is approximately five minutes’ walk from the centre.
On-site training requirements
For CAT & Genny training at your Gloucester workplace, the site must be suitable for safe and effective training.
Depending on the course arrangements, requirements can include:
- Suitable CAT & Genny equipment
- Relevant manufacturer’s instructions
- Safe practical training area
- Suitable service-locating opportunities
- Risk assessments
- Method statements where applicable
- Suitable theory/welfare facilities
- Candidate photo identification
- Appropriate PPE
Our site requirements guidance explains the importance of suitable facilities, documentation and safe practical areas when plant training is delivered at a customer’s premises.
Read our Customer Site Requirements for Plant Operator Training before arranging workplace delivery.
PPE for CAT & Genny Training
✓ Safety boots
✓ High-visibility clothing
✓ Suitable workwear
✓ Hard hat where required
✓ Gloves / eye protection where required
✓ Any site-specific PPE
CAT & Genny training prices for Gloucester
There are two different pricing situations depending on where training takes place.
Current Tewkesbury training centre prices start from:
NPORS Novice CAT & Genny Training – From £280 + VAT per person
NPORS Refresher CAT & Genny Training – From £280 + VAT per person
NPORS Card & Registration – £45 + VAT per person
These published prices relate to training at our Tewkesbury centre.
For on-site CAT & Genny training in Gloucester, we provide a quotation based on the actual workforce requirement.
Factors can include:
- Number of candidates
- Gloucester site location
- Travel
- Novice or refresher requirements
- Equipment available
- Certification route
- Other courses required
Where several employees need training, ask about multiple-candidate or multi-course bookings.
Assessment and certification
Candidates are assessed on both their practical use of the cable avoidance equipment and their understanding of safe underground service locating.
They need to demonstrate more than the ability to operate the controls.
Assessment considers whether candidates can use the equipment appropriately, interpret the information it provides and recognise circumstances where they cannot safely rely on a simple scan result.
NPORS certification is available following successful completion of the appropriate NPORS course and assessment.
In-house CAT & Genny certification may also be available where appropriate. Acceptance of in-house certification depends on the employer, client, principal contractor, site requirements and insurer and should not be confused with NPORS certification.
For complete course and certification details, visit our NPORS CAT & Genny Training Course.
CITB funding for Gloucester businesses
Vally Plant Training is a CITB Training Provider Network Member.
Eligible CITB-registered employers may be able to access funding towards qualifying training, subject to current CITB eligibility and funding rules.
If you’re arranging training for a Gloucester or Gloucestershire workforce, tell us whether the company is CITB registered when requesting a quotation.
Related training for Gloucester groundworks teams
Training for Gloucester Groundworks & Construction Teams
Related CAT & Genny and underground services guides
Cable Avoidance & Safe Excavation Guides
Further guidance for Gloucester employers and operators working around buried utilities.
Book CAT & Genny training in Gloucester
Train Your Gloucester Workforce Before Excavation Starts
Arrange Novice or Refresher CAT & Genny training at your Gloucester workplace or book candidates onto a course at our nearby Tewkesbury training centre. Tell us how many people need training and what previous certification they hold.
✓ REFRESHER & RENEWAL
✓ GROUP BOOKINGS
✓ GLOUCESTER ON-SITE
✓ TEWKESBURY CENTRE
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Your Frequently Asked Questions Answered
es. We can deliver CAT & Genny training on suitable customer sites in Gloucester and the surrounding area.
This is often the best arrangement for businesses with several groundworkers, utility operatives or excavation personnel requiring the course.
Individuals and smaller bookings can attend our nearby Tewkesbury training centre instead.
Full course information is available on our CAT & Genny Training Course.
CAT & Genny training is a form of cable avoidance and underground service locating training.
The CAT is the locating instrument, while the Genny or Signal Generator can help apply a detectable signal to suitable services for tracing.
The course also covers the wider safety considerations around buried services rather than teaching candidates to simply operate the equipment.
HSG47 explains that a safe system of excavation work involves planning, locating and identifying buried services, and safe excavation. It provides guidance on reducing the risks associated with work near underground services.
The equipment and locating method used need to be appropriate to the work and services involved.
Read our Working Near Underground Services Guide for further practical information.
If you previously completed suitable recognised accredited CAT & Genny training, Refresher Training may be the appropriate route.
This can apply where certification has expired or needs renewal.
If you’re unsure whether your previous certificate qualifies, send us the details before booking rather than automatically booking yourself onto a novice course.
If you don’t hold suitable previous recognised accredited certification, informal workplace experience alone doesn’t automatically qualify you for refresher training.
The Novice CAT & Genny course may therefore be the correct route.
Our NPORS Novice Training Guide provides further information about starting with formal training.
Not every underground service is directly detectable by a conventional CAT in every situation.
Service material, available signals, site conditions and the locating method can all affect what can be detected.
This is precisely why candidates need to understand equipment limitations and why a lack of response should never automatically be interpreted as clear ground.
New water pipe can now contain a metallic strip enabling these to be picked up using the CAT And Genny.
Re-scanning can be important as work progresses because conditions change as ground is removed and additional information may become available.
The original survey shouldn’t automatically be treated as the final word for the entire excavation.
Our Working Near Underground Services Guide explains more about locating, marking and working around buried services.
Yes, where the candidates all require CAT & Genny training and the course arrangements are suitable.
Remember that CAT & Genny competence and excavator competence are separate. If an employee is also required to operate the machine, they need appropriate operator competence for that machine category.
See our 360 Excavator Training Course if your Gloucester workforce requires both.
Our CAT & Genny course can accommodate up to six candidates, subject to the training arrangements.
For a Gloucester employer with several candidates, workplace delivery can be an efficient way of training the team together rather than sending employees away individually.
es. Gloucester candidates can attend our dedicated training centre at Newton Farm Business Park in Ashchurch, Tewkesbury.
The centre is close to M5 Junction 9, has parking and is approximately five minutes’ walk from Ashchurch for Tewkesbury railway station.
This makes centre-based training a useful alternative for individuals and smaller Gloucester bookings.
Our Experience Is Your Advantage
Hear what our incredible customers have to say about our NPORS Training and Testing!
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Adam Sanders4 September 2026
Had an amazing experience day with Nick, who was a great instructor and took me from zero experience to fairly confidently (but slowly!) moving soil around in various ways, all whilst keeping a strong focus on safety and the potential hazards of operating heavy machinery. Cathy was also great, and helped organise the day for me. All around positive experience delivered by a small family business and I would definitely do a training course here if I were to do one!Posted on Google![]()
Graham Beckett27 August 2026
Good training with knowledgeable staff. Good humoured, coukd not recommend highly enoughPosted on Google![]()
Martin Dawson27 August 2026
Really good course thanks very much experienced examinersPosted on Google![]()
sean26 August 2026
Completed 2 courses this week and would recommend to anyone looking to book on. Really engaging and knowledgeable, really happyPosted on Google![]()
Samuel Connolly26 August 2026
Fantastic training, really helpful and knowledgeable, would recommend to anyone looking to gain experience and ticketsPosted on Google![]()
Dominic7 August 2026
Great experience and fantastic training.Posted on Google![]()
Simon Cresser6 August 2026
Had a days training and exam for a 10 tonne 360 excavator with Nick. A great tutor with an excellent attitude. Thanks Nick👍🏻Posted on Google![]()
Joseph Preedy30 July 2026
Tracked dumper in Tewkesbury, great training center. VPT 5*Posted on Trustindex![]()
Lee cottom20 July 2026
10ton and under 360 ticket Came to Vally plant for my 10ton and under machine ticket, nick was absolutely brilliant, he let me learn at my own pace aswell as making sure everything was covered. Very professional. Would recommend to anyonePosted on Google![]()
tom wardle15 July 2026
Did forklift traning in gloucester. Great service. Very friendly and informativePosted on Google![]()
Mavrick Rawlings2 July 2026
I did my roller course here and they were extremely friendly and made me feel so welcome, there was no pressure on me at all and they did everything they could to help me out. Definitley recomend!Posted on Trustindex![]()
Jermaine Mason30 June 2026
Fantastic training and support I completed my Banksman/Traffic Marshal ticket here, and the experience was exceptional. The team was incredibly patient and understanding every step of the way. What stood out most was their supportive approach—they genuinely wanted everyone to succeed and provided excellent guidance to ensure the best outcome. I’m so impressed that I’ll be returning to pursue my Over 10 Ton 360 Excavator ticket with them. Amazing service!Posted on Google![]()
Joshi Redbart20 June 2026
Came for a virgin experience day, and had the most amazing experience, Carly was incredibly knowledgable about all the machinery, and very friendly. Would recommend to anyone looking for an experience or for formal trainingPosted on Google![]()
Oli Redbart20 June 2026
Friendly staff and a very good experiencePosted on Google![]()
Tomasz Wysocki18 June 2026
Superb training today from Nick! Very professional and knowledgeable. The experienced tests were structured well.
Plant Training Knowledge Centre
Visit the Vally Plant Training Knowledge Centre for practical guides covering NPORS training, operator cards, plant machinery safety, daily inspections, construction qualifications, NVQs and career progression. Our growing library is designed to help plant operators, employers and site teams find clear, reliable information in one place.
Visit the Knowledge Centre →Vally Plant Training is an NPORS-approved plant training provider based in Tewkesbury, Gloucestershire, delivering accredited plant operator training courses across Gloucester, Cheltenham, Bristol, Worcestershire, Birmingham, Wiltshire, and the wider Midlands and South West.
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