Health & Safety
ACOP L8 expects a written assessment of the water system, not the building in general. Gaffer records which systems are present — hot and cold water, cooling towers, spa pools, fountains, fire suppression — and the specific risk conditions: dead legs, low turnover, calorifiers and storage temperatures.
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One assessment per premises, itemising the systems present and the conditions that let legionella multiply.
Hot water, cold water, cooling towers, spa pools, fountains and fire suppression are each recorded, because the control measures differ completely between them.
Dead legs, low turnover, calorifier presence and hot water storage temperature — the specific things that turn a water system into a hazard.
Assessments sit against the premises name, address and type, so a landlord or facilities customer can be given exactly the record for their building.
Legionella assessments sit with your water hygiene logs and site records, so assessment and monitoring stay together.
Any duty holder responsible for premises with a water system that could create and disperse breathable droplets — which covers most commercial premises, landlords and many domestic rental properties. ACOP L8 and HSG274 set out what a suitable assessment covers.
The assessment establishes the risk and the control scheme; the water hygiene log is the ongoing monitoring evidence — temperatures, samples and remedial actions. Gaffer holds both, linked to the same site, because an assessment without monitoring is not a control scheme.
The usual guidance is at least every two years, and immediately if the system, its use or the occupancy changes, or if the control scheme is not working. Each assessment carries a review date that surfaces before it lapses.
Yes. The assessment is a record against the premises, so it can be produced for the landlord, managing agent or duty holder who needs to evidence their own compliance.
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