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Legionella.io

New system commissioning record

A record for commissioning new or refurbished water systems before handover: confirming flushing, disinfection, temperatures and any sampling so a system is not brought into use stagnant or contaminated.

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Illustrative preview for New system commissioning record
DateSystem / areaWork stageFlushed (Y/N)Disinfected (Y/N)Sample taken (Y/N)Result / statusSign-off
2026-06-05New shower blockPre-handoverYYYAwaiting lab resultProject RP
2026-06-12New shower blockHandoverYYYSatisfactory; in useProject RP
        
        
        
        
        
        

Sample rows are illustrative. Download the PDF for a clean print-ready form, or the CSV to fill in digitally.

How to use it

  • Use when commissioning new, extended or refurbished systems: avoid leaving pipework filled and stagnant between installation and use.
  • Record thorough flushing, disinfection and, where the risk assessment indicates, sampling before handover, in line with HSG274 and water fittings/commissioning guidance.
  • Confirm hot and cold temperatures are achieved and obtain a disinfection certificate where one is produced.
  • Add the new assets to your asset register and written scheme of control, and sign off the system as fit to bring into use.

Background: Commissioning new water systems: preventing Legionella from day one