
Hartlepool Chemical Manufacturer Fined £50,000 After Two Serious Incidents
Exwold Technology has been fined £50,000 after two serious incidents within three months, including an amputation injury linked to poor isolation controls and a forklift collision where pedestrian segregation was not effectively managed.
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Exwold Technology Limited has been fined £50,000 after two employees were seriously injured in separate incidents at its North East sites within three months, an HSE case that highlights how machinery isolation failures and weak workplace transport controls can have life-changing consequences.
The Health and Safety Executive said the first incident happened on 3 September 2021 at the company’s Haverton Hill site in Billingham, where an employee suffered an amputation injury when four fingers on his left hand were severed during machinery start-up. HSE’s account says the blades of a rotary valve had not been effectively isolated from the power supply while the production line was being prepared between cleaning operations.
Less than three months later, on 24 November 2021, a second employee was struck by a forklift truck at the company’s Brenda Road site in Hartlepool. The driver’s view was obscured by the load being carried and the driver was unaware a pedestrian was walking in front of the vehicle at the time of the collision.
What HSE Said Went Wrong
HSE’s investigation into the Billingham incident concluded the company had not put suitable procedures in place to isolate dangerous machinery between cleaning operations. In practical terms, that means isolation and verification steps did not reliably prevent moving parts from being energised while workers were exposed to risk.
A separate investigation into the Hartlepool collision found the company had not effectively managed forklift operations and designated pedestrian routes. Where forklifts and pedestrians share space, site layout, visibility, and segregation measures often determine whether a near miss becomes a serious injury.
Why This Matters For Chemical Manufacturing Operations
These incidents sit in two common risk categories for chemical and process sites: hazardous machinery during routine interventions, and vehicle movements in busy yards and production areas. HSE pointed to its guidance on safe isolation of plant and equipment, and to guidance on workplace transport safety, both of which emphasise clear procedures, training, and physical controls that make safe behaviour the default.
For duty holders, the compliance lesson is not limited to the immediate equipment or vehicle involved. The pattern is about how organisations manage recurring tasks such as cleaning changeovers and internal logistics, particularly when time pressure encourages shortcuts or when the “normal” way of working is not adequately captured in risk assessments.
Questions about this change
What practical controls should duty holders strengthen after an isolation-related injury?
Review and document lockout-tagout procedures for cleaning, maintenance and changeovers, including how energy sources are identified, isolated and verified before access. Ensure competence, supervision and permit controls match the task, and regularly inspect equipment condition so work does not rely on informal workarounds.
How can sites reduce the risk of forklift and pedestrian collisions when visibility is limited?
Use segregation first: defined pedestrian routes, physical barriers where possible, and crossing points designed for clear sight lines. Back this up with traffic management rules, speed control, reversing minimisation, and ensuring loads and attachments do not routinely obscure drivers’ views.

Dr Steven Brennan
CEO and co-founder of Foresight, and a co-opted member of ECHA's Committee for Socio-economic Analysis. He holds a PhD in chemical engineering.
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