Further information

For detailed guidance on your duties to the public regarding the safety of your water systems, you can read:

• HSE Approved Code of Practice (ACOP) L8 & HSG274 – Legionnaires’ Disease Technical Guidance. 
• INDG458 – A brief guide for dutyholders

You can also obtain advice from:

• The HSE Infoline
• Environmental health departments of local authorities
• Professional bodies and organisations such as The Chartered Institution Of Building Service Engineers (CIBSE), The Building Services Research and Information association (BSRIA)
• Associations such as The Water Management Society (WMS) or The British Association For Chemical Specialities (BACS)

It is the responsibility of the duty holder/responsible person to:

• Have a legionella risk assessment, written scheme of control and schematic diagram in place (in accordance with HSG 274 Parts 1, 2 or 3 Legionnaires’ disease – Technical guidance  which includes a programme of treatment, monitoring, and inspection (inc. legionella sampling) and make this available to us. The legionella risk assessment and scheme of control should be reviewed regularly as part of change management/system procedures to ensure it is valid. Ensure the findings of any legionella risk assessment (including the required corrective actions and control measures) or sampling results are implemented, or if not implemented recorded as to why they were not. All control scheme tasks should be recorded when completed. 4i Water Services Ltd service sheets will be sent electronically and it’s the responsibility of the client to store these in the site logbook.
• Provide sufficient information (including historic information) to allow us to design appropriate treatment programmes, including information on known risks, any known deadlegs, redundant pipework and if appropriate a legionella sampling plan. Ensure any preparatory work you are responsible for is completed prior to commencing any cleaning and disinfection or plant work.
• Clearly define any work, its scope and objectives, and outcomes and make systems available for the agreed work with safe access. Agree with us the expectations regarding the level of detail and the report format.
• Ensure any necessary trade effluent discharge consent is in place for effluent generated from any plant install or cleaning and disinfection process and adhere to Plumbing Notification Laws if systems are modified or there are new installations.
• Maintain the water system, and the water in it, in a clean condition and ensure any equipment is installed, commissioned, operated, and maintained correctly.
• Make reasonable enquiries of proof of competence of the service provider.
• Assess the training needs of your staff, review staff training records, complete regular competence assessments for specific tasks. Ensure the content of any training offered meets your requirements.
• Participate in any agreed review process.
• To provide a competent person for isolations of services and all chemical dosing points, control equipment and any sensitive equipment (water softeners, carbon filters, drinks machines etc) so they are isolated and protected from chemicals used during any works undertaken.