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Wet Risers

FIRE SUPPRESSION

Wet riser system design and installation services

Orange Fire Protection Group design and install high quality wet riser systems throughout the UK and Ireland. Conforming to BS9990, our technical experts will ensure a bespoke fire protection system that meets your exact specifications, using only the best quality products and completed by experienced professionals.

Permanently charged and pressurised wet riser systems are an essential legal requirement in any buildings with large floor plans or floor levels reaching higher than 50m. These systems help to save lives by ensuring that pressurised water is always available to fire fighters at key locations throughout the building.

We work with architects, main contractors and M&E specialists throughout the design and installation process to ensure the delivery of an optimal wet riser system in newly constructed buildings. We can also retrofit applications in building refurbishments.

Wet Riser suction line

How do wet riser fire protection systems work?

Having immediate access to a high pressure water supply is essential when dealing with incidents in large buildings, maximising the opportunity to extinguish fires as quickly as possible, saving lives and minimising damage.

Wet riser systems involve the installation of pipework throughout a building, which is permanently charged with water from a pressurised system, fed by a tank and pump set. Access points – known as landing valves – are installed at strategic points, allowing the fire service to attach hoses and gain immediate access to this pressurised water supply.

In smaller buildings, a dry riser system may be more suitable, where water is pumped through the building’s pipework from an external water source.  

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Wet riser system installation and application

Careful planning is essential to ensure a successful wet riser design and installations. Not only are the physical dimensions of a building key to planning but other factors are also critical, such as understanding the constraints of existing structures, optimal layout of landing valves and provision of easy and clear access.

Our wet riser systems are ideal in many commercial building settings, including:

  • Hospitals and care homes
  • Hotels & restaurants
  • Apartment buildings
  • Educational establishments
  • Shopping centres & large retailers
  • Large office & industrial complexes
  • Leisure & entertainment facilities

Wet riser systems components

Although simple in principle, wet riser systems are complex in design and execution, requiring the following considerations and components:

  • A large tank of at least 45m3
  • A pump capable of delivering at least 1500 litres/min to two outlets
  • Instrumentation & control systems
  • Multiple sizes of pipework and branch pipes
  • Correctly placed landing valves and maintenance valves
  • Appropriate fire fighter connections and nozzles
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The design and installation process

Here at Orange Fire Protection Group, we offer the highest standards of transparency, expertise and customer service…

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    Free survey and Quote

    We’ll work with you and your contractors/M&E specialists to provide a transparent quote based on the agreed set of requirements.

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    System design and Installation

    Your dedicated account manager will support you throughout the design and installation process, overseeing quality, time and budget deliverables.

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    Maintenance and servicing

    We offer reliable and responsive maintenance, repair and testing support to ensure that your wet riser system is fully functional and compliant.