A quarry site concentrates every vehicle-pedestrian hazard into a confined area with no public traffic management. Tipper trucks move in reverse for significant portions of each cycle. Loading shovels operate in tight turnarounds. Crushers and conveyor systems create zones where workers are on foot around machinery with very limited sightlines. The combination is why quarrying has one of the highest rates of fatal injury of any UK industry — and why camera and sensor systems fitted to the vehicles are the engineering control that the HSE and site safety plans consistently identify as the priority.
This guide covers what cameras quarry vehicles need, why standard HGV camera specifications are insufficient for quarrying conditions, and what the RIDDOR and HSE quarry inspection framework means in practice for vehicle safety systems.
Camera and sensor systems designed for road-going HGVs are specified for tarmac surfaces, predictable road geometry, and ambient temperatures. Quarry vehicles operate in conditions that standard equipment does not survive:
A rigid tipper truck in reverse has a rear blind zone that extends 10–15 metres directly behind the vehicle at ground level, and substantially further at the sides where the body structure blocks the mirrors. This is not a theoretical hazard — the majority of fatal struck-by incidents in UK quarrying involve a worker struck by a reversing vehicle whose driver could not see them in any mirror.
Camera coverage for a tipper truck requires:
Loading shovels and wheeled loaders have a different blind zone profile from tipper trucks. The rear counterweight creates a large blind zone directly behind the machine in reverse. The bucket in the raised position creates a further zone ahead where the driver cannot see the ground immediately in front of the machine.
Camera requirements for loaders:
The Reporting of Injuries, Diseases and Dangerous Occurrences Regulations require reporting of fatal injuries, specified injuries (including those caused by contact with moving machinery), and dangerous occurrences. A vehicle-pedestrian collision on a quarry site — whether fatal or not — triggers RIDDOR reporting and typically initiates an HSE quarry inspection.
During a quarry inspection following a vehicle incident, the HSE inspector will assess whether the site’s traffic management plan was adequate, whether vehicles had the technical controls appropriate to the identified risks, and whether those controls were maintained and functional at the time of the incident. Camera and sensor systems that were not installed, were installed but not maintained, or were functional but not used (driver ignoring sensor alerts) all create different but significant findings.
The Quarries Regulations 1999 require that a Quarry Safety Document is maintained, that significant risks are controlled by engineering measures (not just procedural controls), and that vehicle movements are managed to prevent dangerous proximity to persons on foot. Camera and sensor systems are the engineering measure that directly addresses this requirement on vehicles that cannot be designed out of proximity to foot traffic.
MDVR storage configuration matters as much as camera coverage for quarry operations. Site incidents often result in RIDDOR investigations, civil claims, and occasionally coroner’s inquiries. Footage must be preserved:
DVS PSS is a TfL requirement for HGVs operating in Greater London. Quarry tipper trucks that operate exclusively on-site — never on public roads — are not within TfL’s jurisdiction and do not require a London HGV Safety Permit. However, quarry vehicles that travel on public roads (for example, rigid tippers driving to a weighbridge outside the quarry boundary, or vehicles moving between sites on the public road network) are subject to DVS PSS if they operate in Greater London. Many quarry operators run separate on-site vehicles and road-registered HGVs to manage this distinction cleanly.
Road HGV sensor systems typically operate with a 0–2m close alert zone and a 2–5m outer warning zone. For quarry tipper trucks, which are substantially larger and take longer to stop on unprepared haul road surfaces, extending the outer zone to 8–10m is appropriate. The sensor must be configured to exclude the vehicle’s own body from the detection zone — particularly on high-sided tipping bodies where the rear sensor can “see” the body above it and generate constant false alerts without proper exclusion zone calibration.
The Quarries Regulations require that risks from vehicle movements are controlled by engineering measures. An excavator with a 360-degree slew range and a cab that rotates away from the bucket during operations creates a significant zone where nearby workers are not visible. HSE inspection guidance for quarry excavators identifies camera coverage of the working zone and audible swing warnings as the appropriate engineering controls. There is no prescriptive camera regulation for excavators specifically, but the general duty under HSWA and the Quarries Regulations to implement engineering controls means the absence of camera coverage would be difficult to defend following an excavator-related incident.
Daily walkaround checks should include camera and sensor system function — particularly lens cleanliness on dusty sites. On quarry operations, lens contamination with dust or stone splash can render cameras effectively blind within a single shift. Formal maintenance intervals should align with the vehicle’s maintenance schedule — typically every 250–500 operating hours, or whenever any body or sensor component is repaired. Post-repair sensor checks are essential: even minor bodywork repairs can shift sensor mounting angles enough to misalign detection zones.
IP67 certifies protection against temporary immersion in water. IP69K certifies protection against high-pressure, high-temperature water jets at close range — the standard used for pressure washing of vehicles and equipment. In a quarry environment, camera housings are exposed to both high-pressure wash-downs and continuous dust. IP67 housings that are adequate for road conditions fail at the seal points under repeated pressure washing. IP69K is the minimum specification for any quarry vehicle installation, and should be verified for each camera and sensor housing — not just the MDVR.
Download this free checklist to apply the guidance in this article to your fleet.
Tell us what vehicles you run and what you need — we will come back with a recommendation and a price. Prefer to talk? Call 01656 721871.
Related guides: Evidence Footage for On-Site Incidents · Safety Sensors for Mining Vehicles
4 August 2026
Monday to Friday:
8.30am-5.30pm
