Case studies

Real sites. Real numbers.

A sample of recent work: what was tested, how, and what the client got back. Clients are named only where we have permission. Everything else stays anonymous, which is exactly how we'd treat you.

HAV · WBV · NoiseNamed only with permissionOver 30 years' experience

Cordless impact wrench measured in use at the bench vice in the boat workshop — Impact wrench under test · boat workshop

01 · Hand-arm vibration

The tools that keep the force's boats working

Metropolitan Police / Boat workshop

In December 2023 we surveyed the workshop that maintains the force's boats. 134 tools were measured in normal use to BS EN ISO 5349 (grinders, sanders, impact wrenches, saws) in the hands of the people who actually use them, with faulty tools flagged on the spot. Every tool went back to work carrying an exposure-points tag, and the report ranked the lot by vibration magnitude, with clear priorities for servicing, substitution or retirement.

134 tools testedBS EN ISO 5349December 2023

Fitter in gloves testing an air-powered tool at a bench vice in the vehicle workshop — Air tool measured in use · vehicle workshop

02 · Hand-arm vibration

244 tools across the vehicle workshop

Metropolitan Police / Vehicle workshop

A month later the force's vehicle workshop followed: 244 tools measured in real tasks in January 2024, from air ratchets and die grinders to reciprocating saws cutting plate. Testing fitted around the workshop's day: operators briefed first, tools tested as found, results substantiated with repeat runs where needed. The report gives every tool a time to the action and limit values, so the kit that needs managing hardest is obvious at a glance.

244 tools testedBS EN ISO 5349January 2024

Twin cranes of a heavy-lift vessel over a steel jacket offshore at dusk — Offshore energy · heavy-lift installation

03 · Offshore · HAV + noise

36 assets, one trip, no second visit

Confidential operator / Producing platform

An offshore operator needed vibration and noise exposure data for a producing platform. One engineer mobilised with calibrated kit and the paperwork to match, worked around permits and shift patterns, and measured 36 assets in use. The survey completed inside a single trip, with exposure reported as A(8) and LEX,8h against the 2005 Regulations, and no second mobilisation required.

36 assets testedHAV + noiseSingle trip

Operator clearing a grass bank with a brushcutter in the grounds of a historic estate — Brushcutter in use · historic estate grounds

04 · Grounds & sports turf

Strimmers to ride-ons, measured where they work

Estate & stadium grounds teams / Historic gardens · sports pitches

Grounds teams carry some of the highest hand-arm exposures we see: brushcutters on the banks, hedge trimmers held at full reach, pole saws overhead, then a ride-on or aerator for the rest of the shift. Recent surveys have covered historic estate gardens and stadium pitches alike, with each tool measured in the operator's hands during normal work to BS EN ISO 5349, wired triaxial sensors logging as they cut, and daily A(8) worked up from realistic trigger times. The report ranks the kit, shows where battery swaps and servicing pay off, and leaves every operator with a defensible daily figure.

HAV · WBV · NoiseBS EN ISO 5349Estates & stadia

Also recently·Noise at the operator's ear during stadium pitch spraying·Workplace noise across a rail maintenance depot·Whole-body vibration on operator seating and plant

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