Wet riser vs dry riser

But what about a Wet Riser? This is a term that you may be less familiar with.

Many commercial, industrial and non-residential properties rely on wet and dry risers as a key part of their fire safety procedures. Wet and dry risers are a key part of fire safety protection for all multi-storey buildings. Both risers are designed to provide firefighters with easy access to water when tackling fires in tall buildings, helping them to extinguish them and prevent the blaze from spreading. At KW Fire Protection , we offer a whole host of building fire safety services, including the installation and maintenance of wet and dry risers. Designed for buildings that stand taller than 50m in height, wet risers have a constant supply of water in a place that can be accessed by emergency services during a fire.

Wet riser vs dry riser

Our systems consists of a network of pipes that allow water to be delivered to the upper floors of a building in the event of fire. It comprises of an inlet at ground level that can be accessed by the fire brigade to pump water up into the building to outlets situated on the landings of each floor. This allows a firefighter to attach their hose to any one of these outlets and source pressurised water to set about extinguishing the fire. Our wet riser systems are similar in design to dry risers and can usually be found in buildings over 50m tall. Unlike the dry riser system, it is kept constantly charged with water, in order that it can provide the same level of protection against a fire in the upper reaches of taller properties as on the lower floors. The wet riser system is charged with water from a pressurised supply, which is often pumped from a storage tank. Fire hydrants are located on large sites such as hospitals, military sites, and industrial estates. We can assist you with the design, installation, testing and maintenance of the fire hydrants. We have an excellent reputation for installing and servicing to ensure your dry and wet riser systems remain safe and compliant at all times from high rise social blocks to hospitals. Dry risers are a requirement of building regulations in occupied buildings over 18m tall. They can also be found in environments with limited access or with compartmentation issues such as multi-level basements or hospital corridors. Additional Message. Please tick this box if you are happy for us to contact you via phone and email. The personal data you provide will be used in accordance with our Privacy Policy.

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Although wet and dry riser systems are a common spot, especially on commercial and industrial premises across Singapore, not many people really understand what they are and how they work. Wet and dry riser systems are made up of a network of valves and pipes that enable fire fighters to pump large volumes of water to the top of high rise buildings or areas that are hard to access with other common systems during fire emergencies. Due to the high pressure required to pump water onto tall buildings, wet riser systems are equipped with duplicate automatic pumps and well as tanks for storing water. The water for the tanks comes from the city mains but, you could also have an alternative water source. Dry riser systems remain empty but, have water inlets at the ground level for supplying water during a fire threat. Besides, they also have landing valves at designated floors or sections of the building for pushing the water to the top floor.

In part one of this series, we explained how the essential components of a fire riser are used to streamline repairs and verify the fitness of a fire sprinkler system. In this article, we explain how these other common components come together to form specific types of fire sprinkler riser assemblies for wet-pipe systems. You can also check out our extensive line-up of pre-assembled commercial and residential riser manifolds , pressure gauges , test, drain, and trim valves , and flow and pressure switches. Check valves are a common but not universal feature of fire sprinkler risers. They prevent the contents of a sprinkler system—from the riser and connected piping—from flowing out of sprinkler pipes and into the municipal water supply, water tanks, or another source. In wet-pipe systems, they also prevent a loss of pressure downstream.

Wet riser vs dry riser

A standpipe or riser is a type of rigid water piping which is built into multi-story buildings in a vertical position, or into bridges in a horizontal position, to which fire hoses can be connected, allowing manual application of water to the fire. Within the context of a building or bridge, a standpipe serves the same purpose as a fire hydrant. When standpipes are fixed into buildings, the pipe is in place permanently with an intake usually located near a road or driveway, so that a fire engine can supply water to the system.

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Performance Performance. I agree to the privacy policy. What is it: A dry riser is an empty pipe that can be externally connected to a pressurized water source by firefighters. Analytics analytics. You can also change some of your preferences. Since these providers may collect personal data like your IP address we allow you to block them here. Analytics Analytics. Although, they can also be installed in buildings below this height. These cookies track visitors across websites and collect information to provide customized ads. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Outlets are usually located within every square metres of floor, and are typically found in lobbies, stairways, and cupboards.

Comprehensive fire protection is about much more than just sprinkler systems. But what are they?

The pipes are typically dry — hence the name. Wet and Dry Risers Dry risers otherwise known as fire mains are used in buildings over 18m in height. Without knowing how to choose the right wet and dry systems for your property, you could end up with a sub-standard product. What is a Dry Riser? Others Others. You are free to opt out any time or opt in for other cookies to get a better experience. Their valves are checked for damaged seals and various other important checks are carried out including the air release valve at the top of the riser. Check to enable permanent hiding of message bar and refuse all cookies if you do not opt in. Both systems must also — by law — be tested every 12 months. At Fire Safety Singapore , we do not only provide wet and dry systems but, also perform custom testing, inspection and maintenance of fire protection systems. A dry riser is an empty pipe running up the inside of a building, with input connections on the outside or fire escapes. It does not store any personal data. Although wet and dry riser systems are a common spot, especially on commercial and industrial premises across Singapore, not many people really understand what they are and how they work. This means all inlets for dry and wet risers must include fire riser signs to inform occupants and fire rescue services of their location in the event of a fire.