Bromley · COSHH / HSG258
Statutory thorough examination and testing of local exhaust ventilation for Bromley workshops and production sites, keeping fume and dust control compliant with COSHH and HSE guidance HSG258.
Bromley
Bromley is the largest London borough by area, a mostly suburban borough of around 330,000 on London's green south-eastern edge, where H.G. Wells was born.
The work is light industry and trades - the light engineering and fabrication, the printing, and the food manufacturing - across the Sevenoaks Way and Cray Avenue estates at St Mary Cray, with the bodyshops between them.
Each of those Bromley processes throws fume, dust, mist or vapour into the workplace air, and COSHH demands it is captured at source - that capture system is local exhaust ventilation, and it must be thoroughly examined and tested at least every fourteen months. We cover the lot, from the Sevenoaks Way units to the one-bench Bromley workshops, taking capture and face-velocity readings and leaving a clear pass or remedial verdict with the hoods labelled.
By sector
If a process captures fume, dust, mist or vapour at source, that capture system is LEV - and across Bromley and the wider Greater London it is your evidence under COSHH.
Grinding, machining and fume extraction across the light-engineering and fabrication units on the Cray Avenue estates, where metal dust and mist need capture at source.
Solvent and ink-mist extraction across the print lines, where VOC vapour needs capture proven.
Steam, dust and mist extraction across the food producers, where organic dust is both a health and a combustion risk.
On-torch extraction, fume arms and downdraught benches across the Sevenoaks Way and Cray Avenue units. Since the HSE's 2019 reclassification, all welding fume - mild steel included - is treated as carcinogenic.
Spray-booth and prep-bay extraction at Bromley 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 Bromley college campus and the Princess Royal University Hospital, to the containment their work demands.
On the ground in Bromley
We are out under Bromley's extraction every week. The proof that matters is the jobs, not a stock photo.
A paint-spraying and bodyshop in Bromley had the side-draft spray booth exhaust plenum reading a flat pressure because the sensing tube was blocked with paint residue. We cleared the magnehelic pressure tube with a fine wire probe and verified the face-velocity distribution across the filter matrix. It passed once the sensor line was clear, with the static-pressure tracking back to normal. It was a high-volume garage with constant vehicle movements, so the test was timed between baking cycles.
The test
A statutory LEV test under HSG258 is not a visual once-over. On a Bromley system it answers three things: is the system intact, does it still capture, and does that capture match what it was designed to do.
Ductwork, hoods, filters, fans and dampers checked for damage, blockage and leakage across the Sevenoaks Way 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 Bromley line.
Where exposure is in question - a light engineering and fabrication process, say - sampling confirms whether control is actually protecting the people at the process.
The duty
Under Regulation 9 of COSHH the obligation sits squarely with the employer - any LEV that controls a hazardous substance needs a thorough examination and test at least every fourteen months, and the records held for five years.
For most Bromley sites - from the Sevenoaks Way 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 Bromley 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 Bromley duty-holder.
Each system tagged with status and next-due date, so compliance is visible on the Cray Avenue 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 light engineering and fabrication bay, a printing bench and a lab fume cupboard can each sit on a different interval - we set the right one for every system.
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 Sevenoaks Way unit will ask to see.
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 Sevenoaks Way 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 Sevenoaks Way or a smaller Bromley 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 Bromley, but a Sevenoaks Way fabrication shop and a Widmore Road canopy are kept as the separate jobs they are.
Yes. A new spray booth or fume-arm install at a Bromley workshop needs a commissioning test to prove it performs to its design figures before it goes into service - we measure it and document the baseline the 14-month clock then runs from.
Light engineering and fabrication, printing, food manufacturing, welding and fabrication, vehicle body and paint, and the labs of the college and hospital - the trades clustered around Sevenoaks Way and Cray Avenue and across the wider Greater London.
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