HSG 274 Part 2 states that a written control scheme must have..

“…up-to-date schematic plan showing the layout of the system(s) and its location within and around the premises – this should identify piping routes, storage and header tanks, calorifiers and relevant items of plant, especially water softeners, filters, strainers, pumps and all water outlets”.

Schematic drawings form an integral part of a water hygiene management programme and are a specific recommendation of the Health & Safety Executive’s procedures dealing with the control of legionella bacteria in water systems. The necessity for and level of detail for such schematics is dependent upon risk – the higher the risk, the more importance there is attached to greater detail.

The Water Hygiene Centre produces a range of different schematics from very simple line drawings to isometrics and complex layered drawings. We produce the drawings using various CAD packages, such as AutoCAD, thus allowing the responsible person, plant operators and facilities engineers to gain a better understanding of the water systems and highlight areas of potential risk.

If you’re not sure if you need updated schematics, we can provide you with a desk based schematic review tool, this can be either be completed by yourself or we can complete this on your behalf for a small fee.  The review is based on your current schematic drawings, risk assessment report and risk minimisation schemes.  A brief written report recommending where an updated schematic is required will be issued in PDF format and excel format so you can keep updated.

Telephone: 01993 840400
Registered Office: The Maltings, Beanacre, Hook Norton, Oxfordshire, OX15 5UA
Company Number: 68131746 VAT No: 948 3743 82
Directors: D.F. Pitcher, BSc (Hons) CMIOSH, MIHEEM. and J.A.Leach

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