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Understanding BS 8558: Guidance for Hot and Cold Water Systems

Key aspects of BS 8558

Commissioning and Maintenance: BS 8558 outlines the procedures for cleaning, flushing, and disinfecting systems before they are put into service, as well as the routine monitoring required to ensure temperatures remain within safe limits. Relationship with BS EN 806

The standard covers various types of thermoplastics pipes, fittings, and valves, including:

B. Scalding Prevention (The TMV Requirement)

While water must be stored hot to kill bacteria, water discharged at 60°C can cause third-degree burns in seconds.