Independent Legionella Risk Assessment

Independent Assessment
Proportionate Action

We assess how your water system operates as a whole, so recommendations reflect the significance of individual findings.

Independent adviceNo remedial sales

Site-specificAssessment in context

ProportionatePriorities that reflect risk

UK coverageCommercial, residential and complex sites

Our approach

The whole system provides the context

An individual finding only tells part of the story. We look at how the water system operates as a whole to identify where closer investigation is needed. We then consider individual findings within that wider context, helping us understand their significance and determine what action, if any, is proportionate.

Understand

Start with the premises, people and complete water system.

Follow

Trace storage, generation, distribution and use.

Investigate

Cold water storage tank viewed externally
Surface stagnation

Cold water storage tank viewed externally

Closer inspection reveals what the wider view cannot.

Contextualise

Place individual findings back into the context of the complete system.

Prioritise

Translate risk into clear, proportionate action.

Specialist services

Specialist Legionella and water safety expertise

Assessment, technical documentation and support to help you understand and manage Legionella risk.

Legionella risk assessments

Independent, site-specific assessment of water systems, management arrangements and the conditions that influence Legionella risk.

SYSTEMStorage, generation, distribution and outlets
MANAGEMENTResponsibilities, monitoring and control
OUTCOMEClear, prioritised recommendations
FRS site photograph of a cold water storage tank and associated pipework
Survey to drawing

Water system schematics

Clear schematic drawings developed from physical site surveys and accessible system information, providing a practical representation of the water distribution system.

Example Foster Risk Solutions water system schematic
Assessment to control

Written schemes of control

Site-specific Written Schemes of Control that turn the findings of the Legionella Risk Assessment into clear, practical management arrangements.

Example Foster Risk Solutions Written Scheme of Control page

Legionella water sampling

Targeted microbiological sampling where appropriate to investigate conditions or support verification of controls.

Water safety consultancy

Technical support to help dutyholders, Responsible Persons and facilities teams review controls and work through water safety questions.

Even well-managed systems can have gaps. Independent review can help identify where existing controls could be strengthened.

Assessment in context

What the photograph cannot tell you

Some conditions are visible. Others are only identified through inspection and operation.

Visible on closer inspectionMissing screened mesh to the weir overflow.

Identified during functional inspectionThe ball valve was found to be sticking during operation. This cannot be established from the photograph alone.

Internal conditionMinor sediment was also identified within the tank.

These findings are then considered in the context of the complete water system and its operation, use and management before proportionate action is determined.

Clear reporting

A report designed for decisions, not a shelf

See the overall position quickly, with the evidence and rationale available when you need to go deeper.

Understand the riskOverall system risk summary and supporting rationale.
Know what matters firstClear, prioritised actions.
See the evidencePhotographs, assets and system information.
Manage what happens nextMonitoring requirements and proportionate controls.
FRS prioritised recommendations table with priority bands, recommendation, photograph and action date columns
FRS system risk summary showing Low, Medium and High risk columns across water systems and management arrangements
Why FRS

Independent by design

Clear priorities. Proportionate action.

An LRA should make it clear what needs attention now, what can be managed through additional controls, and what can remain under review.

The FRS ACT approach

A — Act now

Prompt action is justified. This may mean remedial work or temporary controls while a longer-term solution is considered.

C — Control & plan

Strengthen controls, increase monitoring or use temporary measures while any longer-term improvement is planned.

T — Track & review

Maintain suitable controls, monitor the system and review again if anything changes.

Not every recommendation needs immediate remedial work. The response should match the significance of the finding.

Based in Hampshire, FRS provides independent Legionella risk assessment and water safety consultancy across Southern England and nationwide.

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