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A dry riser is defined as a vertical water supply pipe installed in a building for fire-fighting purposes, fitted with inlet connections at a fire service access level and landing valves at specified points, which is normally dry but is capable of being charged with water usually by a pumping from fire and rescue service appliances. The difference between a Dry and Wet Riser is that the Wet Riser is permanently charged with water.

Dry and Wet Risers are installed where there are no floors higher than 50 metres. Where there are floors higher than 50 metres only Wet Risers should be installed due to the pressure required to provide water supplies to the landing valves sited on upper floors. and also to ensure water is immediately available for fire-fighting.

Dry Riser fire-main should have an operating pressure of 12 Bar.

As the responsible person who either owns or manages the building/s, it falls as your responsibility to ensure the service and maintenance of Dry Riser system with a 6 monthly visual inspection and an annual 12 Bar wet test, all with certification to meet legal fire and safety regulations, failure to do so can result in your insurance being invalidated and prosecution if the system fails and it can be proved it was due to the system not conforming to relevant British Standards and procedures.

We offer servicing and preventative maintenance for all dry and wet riser systems, all works are in accordance with BS9990:2015 The Code of Practice for non Automatic Fire Fighting Systems and our engineers are trained to ensure your people and premises are safe from fire

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