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NPORS Trencher Training (N203)
A trencher cuts a continuous trench far faster than an excavator, which is exactly why it gets people into trouble. The machine does not stop for an unmarked cable and the spoil goes where the conveyor puts it. Three days for a novice, on your own machine and your own ground, run when your work allows.
Why candidates choose Acadame
What makes our N203 Trencher different
About this course
The NPORS N203 Trencher category is the operator card for the machines that cut a continuous trench in one pass: chain trenchers, wheel trenchers and rock wheels, from pedestrian and compact units up to tracked machines working pipeline and cable routes. The machine does in minutes what an excavator takes an hour over, which is its value and also its risk.
Three days for a novice covers the machine itself: the digging chain or wheel, the boom, the crumber, the conveyor or auger that throws the spoil, the drive and the tracks or wheels, the guards and the emergency stops, and the pre operational checks and defect reporting the manufacturer's handbook requires of the operator.
The rest is the dig. Setting out line, level and depth. Reading the ground and knowing when it will stand and when it will not. Where the spoil goes and why a windrow against the trench edge is a hazard in its own right. Above all, buried services: the plans, the cable avoidance tool, the trial holes, the permit and what happens when the chain finds something that was not on the drawing. A trenched excavation is still an excavation, so the course also covers what has to happen before anyone gets into it.
- The machine: digging chain or wheel, boom, crumber, spoil conveyor or auger, drive, guards and emergency stops
- Pre operational checks, chain and tooth wear, greasing points, defect reporting and what the handbook requires
- Setting out and holding line, level and depth, and correcting a trench that has wandered
- Locating and proving buried services before the dig, working to HSG47, and what to do on a strike
- Ground conditions, spoil placement, keeping plant and materials back from the edge and preventing collapse
- Working round people on foot, managing the area behind the machine, and shutting down and parking safely
How completing this course helps you
- The NPORS N203 Trencher category, registered with NPORS and recognised on sites nationally
- The Red Trained Operator card, or the Blue Competent Operator card where the operator holds the relevant NVQ
- Operators who prove services before they cut rather than after
- A consistent standard across a gang, which is what a client, a principal contractor or an insurer asks to see
Who should attend?
Groundworkers and utility contractors installing water, gas, electricity, fibre and drainage, landscape and agricultural contractors running compact trenchers, and plant operators adding the category to an existing ticket. It suits people who have run a trencher on custom for years as much as new starters, and there is a route for each.
Entry requirements. You should be at least eighteen, fit enough for the work including mounting and dismounting on rough ground, and able to follow spoken and written English for the theory test, though an interpreter can be arranged on request. No prior card is required. For the version of the card that carries the CSCS logo you need a CITB Health, Safety and Environment test pass at Operatives level taken within the last two years, and we book that for you. Tell us at enquiry what machine you run, what you are trenching through and what services are in the ground, because the practical is built around it.
Ready to take the next step?
Choose a delivery option, compare dates and book with confidence, or ask MB and get an answer straight away.
Course content
What you will cover
Classroom on the machine, the law and buried services, then the bulk of the time cutting trench, with testing at the end.
The machine, the law and what is under the ground
- Health and Safety at Work etc. Act 1974 and PUWER 1998 as they apply to trenching
- Excavation duties under the Construction (Design and Management) Regulations 2015, including inspection by a competent person
- Avoiding danger from underground services, following HSE guidance HSG47: plans, locators, trial holes and safe digging practice
- The manufacturer's handbook and the operator's responsibilities under it
- Machine components: digging chain or wheel, boom, crumber, conveyor or auger, drive, guards and emergency stops
- Ground types and how each behaves when cut, and what causes a trench side to run
- Spoil placement, surcharge at the trench edge and keeping plant and materials back
- Site hazards: overhead lines, people on foot, other plant, traffic management and the public
Cutting trench
- Pre operational and running checks, chain or wheel tooth condition and defect reporting
- Safe mounting and dismounting, starting up and setting the machine to work
- Travelling and manoeuvring the machine, including on and off transport where that applies
- Setting out and cutting a trench to line, level and depth
- Working close to marked services and finishing by hand where the permit requires
- Placing spoil, backfilling where required, then shutting down, securing and parking the machine
Method of assessment
How the N203 trencher test works
NPORS assess the category by theory test and practical test. Training and testing run together, with the practical covering checks, manoeuvring and cutting a trench to the specification.
1. Enquiry and group
Tell us how many operators, where, what machine and what you are trenching through. Three sit the novice course with one instructor and one machine, six are allowed on the experienced worker test. We quote per group, because the length follows who is on it.
2. Pre course check
We sort who is a novice, who is an experienced worker and who is due a refresher, check whether the CSCS logo version of the card is needed and book the CITB test if it is, then take the details NPORS need to register.
3. Training
Classroom on the machine, the law and buried services, then the machine itself, ideally on your own site so the ground and the services are the real ones.
4. Theory test
The NPORS theory test covering legislation, machine components, ground conditions, service avoidance and safe operating practice.
5. Practical test
Checks, manoeuvring and cutting a trench to line, level and depth, assessed against the NPORS test specification by an NPORS registered tester.
6. Registration and card
We register the pass with NPORS and apply for the card, traditional or with the CSCS logo depending on where your operators work.
After the course
The trench does not end at the machine
Cutting the trench is one job. Keeping it open safely is another, and the two are usually done by the same gang. Any excavation deep enough to bury someone has to be supported or battered back, inspected by a competent person at the start of every shift and after anything that could affect its stability, and kept clear of plant and spoil at the edges. The N049 Shoring category covers installing, inspecting and removing trench boxes, drag boxes and frames, and it is the natural next ticket for a trenching crew.
The other half is what is already in the ground. A cable avoidance tool is only as good as the person holding it, and the N304 Cable Avoidance Tool category covers using a locator and signal generator properly rather than waving it about. Where a trench runs through a live site with plant and people on foot, an excavation marshal keeps the two apart.
- N049 Shoring, install, inspect and remove, for the crew keeping the trench open
- N304 Cable Avoidance Tool for proving what is in the ground before the chain goes in
- N027 Excavation Marshal and Banksperson where plant and people share the same ground
- CITB Health, Safety and Environment test booked with us where the CSCS logo version of the card is needed
Build your course
Who is coming, and how many
We do not run these to a timetable. The course is built around your people: how experienced they are and how many of them there are, which is what sets the length and the cost. Pick the mix and we will come back with a date and a price.
The course builder needs JavaScript. Without it, tell us how many people and what experience they have and we will price it up.
N203 Trencher FAQs
A machine that cuts a continuous trench in one pass, which covers chain trenchers, wheel trenchers and rock wheels, pedestrian, wheeled and tracked. If the machine digs by bucket it is an excavator category instead, and we will say so rather than put someone through the wrong ticket.
Three days for a novice, with three candidates to one instructor and one machine. An operator already trenching normally takes the shorter experienced worker route, where NPORS allow six candidates, and the refresher is shorter again. We confirm the length when we quote, because it follows who is on the course.
No. The NPORS category has to match the machine, and a 360 excavator ticket does not carry N203. Excavator experience helps and often puts somebody on the shorter route rather than the full three days, but it is still a separate category.
Yes, and it gets proper time. Plans, locators, trial holes, safe digging practice to HSE guidance HSG47 and what to do if the machine strikes something. If your operators use a cable avoidance tool regularly, the N304 category covers the locator itself in more depth.
Yes, and it is usually better. Operators train on the ground, the services and the machine they will be working with, and nobody loses a day travelling. We need a suitable area for the practical and a machine in a testable condition, which we check before we come.
The Red Trained Operator card, which NPORS issue for two years, or the Blue Competent Operator card valid five years where the operator holds the relevant NVQ. The CSCS logo version of either needs a current CITB Health, Safety and Environment test. Where the work is not on construction sites, the traditional NPORS card may be the better fit and we will tell you so.
If anyone enters the trench, yes. Cutting the trench and supporting it are different jobs with different risks, and the N203 card covers the machine, not the support system. The N049 Shoring category covers installing, inspecting and removing it.
Three on the novice course and the refresher, six on the experienced worker test. Bigger groups get sequenced across more than one course rather than squeezed into one, because the ratio is what gives each operator real time on the machine.
NPORS courses are priced per course, not per person. What you are paying for is the instructor, the registered tester and the machine time, so the figure turns on four things: the category, which route your operators need (novice, experienced, conversion or refresher), how many people are coming, and whether we run it on your site or at one of ours. It is also why a squad works out considerably cheaper per head than sending operators out one at a time. Use the course builder on this page: tell it who is coming and it works out how many days the course takes and how many times it has to run, which is what the price is built from. Then ask us and you will get a figure for that exact group rather than a list price with conditions attached.
We run NPORS courses across the UK rather than out of one fixed centre, and for most categories the better answer is that we come to you: your operators are assessed on the machine they will be using anyway, nobody loses a day travelling, and for a group it costs less. If you would rather come to us, we have centres at Trent House in Stoke, Pride Park in Derby, Europa House in Manchester and Kingsway House in Liverpool. Tell us where the work is and we will say honestly which way round makes more sense.
There is no fixed timetable to wait for. NPORS courses here are run to order, which means the dates are built around your programme rather than ours, and a single operator or a full squad can normally be booked in within a couple of weeks. If you have a card about to expire or a start date to hit, say so when you enquire and we will work to it.
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