Huddersfield · COSHH / HSG258
Statutory thorough examination and testing of local exhaust ventilation for Huddersfield workshops and production sites, keeping fume and dust control compliant with COSHH and HSE guidance HSG258.
Huddersfield
Huddersfield is renowned worldwide for fine worsted cloth, and its textile and engineering heritage still runs across a Kirklees district of around 440,000.
The signature trades are cloth and engineering - the fine worsted and woollen mills, the gear and transmission engineering, and the chemical manufacture on Leeds Road - across the Leeds Road and St Andrews Road works, with the fabrication and bodyshops between them.
Wherever a Huddersfield process releases fume, dust, mist or vapour, COSHH puts the duty on you to control it at source, and the extraction that does so is LEV - subject to a thorough examination and test at least every fourteen months. We work across the range, from the Leeds Road units down to the smallest Huddersfield workshop, measuring capture and face velocity and issuing a plain pass-or-remedial result with every hood tagged.
By sector
Any system that draws fume, dust, mist or vapour off at source counts as LEV, and across Huddersfield and the rest of West Yorkshire it is the evidence COSHH expects you to hold.
Dust and fibre extraction across the worsted and woollen mills, where fine fibre blinds a filter and loads a duct.
Oil-mist and grinding extraction on the gear and transmission lines, where metal dust and mist clog a collector quietly.
Vapour and mist extraction on the chemical lines - reactive fume that quietly eats a duct from the inside.
On-torch extraction, fume arms and downdraught benches across the Leeds Road and St Andrews Road units. Since the HSE's 2019 reclassification, all welding fume - mild steel included - is treated as carcinogenic.
Spray-booth and prep-bay extraction at Huddersfield bodyshops. Two-pack paints release isocyanates - the leading cause of occupational asthma - so booth airflow is examined to its design figure.
Fume-cupboard face-velocity testing for the University of Huddersfield and the Huddersfield Royal Infirmary, to the containment their work demands.
On the ground in Huddersfield
We are out under Huddersfield's extraction every week. The proof that matters is the jobs, not a stock photo.
A textile weaving and spinning mill in Huddersfield had the carding-machine extraction chutes choked tight with raw wool fibre, and it was overflowing into the air. We hand-cleared the primary fibre traps and measured the branch static pressures before and after. It failed at first on the total blockage, then passed once the fibre was out. The machinery dates back to the early twentieth century, so we set custom capture-velocity benchmarks around the legacy kit.
The test
An HSG258 statutory LEV test goes well beyond a walk-round look. On a Huddersfield system it has to establish three things - that the plant and ductwork are sound, that the hoods still capture, and that the capture still meets the figure the system was designed around.
Ductwork, hoods, filters, fans and dampers checked for damage, blockage and leakage across the Leeds Road units - the faults that quietly kill capture.
Face and capture velocities, static pressures and airflows measured at each hood with calibrated instruments - numbers, not opinion.
Readings compared to the system's commissioning figures, so drift from as-designed is caught before it becomes a failure on a Huddersfield line.
Where exposure is in question - a textiles and worsted cloth process, say - sampling confirms whether control is actually protecting the people at the process.
The duty
COSHH Regulation 9 makes it plain: any LEV controlling exposure to a hazardous substance has to be thoroughly examined and tested at intervals no greater than fourteen months, and the resulting records kept for at least five years.
For most Huddersfield sites - from the Leeds Road units to the smaller workshops - the fourteen-month clock is the one that bites: miss it and the system is non-compliant the day it lapses, whatever its condition. We examine, label each hood with its status and next-due date, and issue the report an HSE inspector or your insurer will ask to see. If something fails, you get the reading, the cause and the fix - not just a red sticker.
How it runs
Full visual and structural check of every hood, duct run, filter and fan across the Huddersfield site.
Calibrated velocity, pressure and airflow readings at each extraction point.
A COSHH-compliant report: results against benchmark, clear pass or fail, and plain-English actions for the Huddersfield duty-holder.
Each system tagged with status and next-due date, so compliance is visible on the St Andrews Road floor.
Questions
Under COSHH Regulation 9, most local exhaust ventilation needs a thorough examination and test at least every 14 months, with higher-risk processes more often. A textiles and worsted cloth bay, a gears and transmission engineering bench and a lab fume cupboard can each sit on a different interval - we set the right one for every system.
Textiles and worsted cloth, gears and transmission engineering, chemicals manufacturing, welding and fabrication, vehicle body and paint, and the labs of the university and infirmary - the trades clustered around Leeds Road and St Andrews Road and across the wider West Yorkshire.
Yes - the industrial estates and workshops around Leeds Road and St Andrews Road, the university and hospital labs, and the wider West Yorkshire.
We record it as remedial and set out what is needed - airflow, ductwork, filtration or capture at the hood. You do the work and we re-test, and on a Leeds Road production line we can usually fit the re-test around your shifts. We will not pass a system that does not control exposure.
A dated report to the HSG258 method, the readings taken, a pass or remedial outcome for each hood, and system labelling - the evidence a duty-holder at Leeds Road or a smaller Huddersfield workshop needs for their COSHH file.
No. LEV testing is a statutory examination of fume and dust control to COSHH and HSG258, with capture and face-velocity readings; TR19 is kitchen grease and fire risk. We do both across Huddersfield, but a Leeds Road fabrication shop and a Cross Church Street canopy are kept as the separate jobs they are.
Yes. Each hood is labelled with its status and next-due date, and you get the HSG258 report and system schematic for your COSHH file - the record an HSE inspector visiting a Leeds Road unit will ask to see.
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