DRY & WET RISER SYSTEM
Legislation
Riser Explained
Why maintain my dry/wet riser? Risers can be prone to neglect and even vandalism, so it is important to have them regularly maintained and inspected. With the potential for penalties should they fail to function in the event of a fire, the risers should be visually inspected every 6 months and hydraulically pressure tested annually in accordance with BS 9990.
What is a dry/wet riser?
Maintenance of measures provided for protection of fire-fighters "Where necessary in order to safeguard the safety of fire-fighters in the event of a fire, the responsible person must ensure that the premises and any facilities, equipment and devices provided in respect of the premises for the use by or protection of fire-fighters under this order or under any other enactment, including any enactment repealed or revoked by this order, are subject to a suitable system of maintenance and are maintained in an efficient state, in efficient working order and in good repair“
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• Pressure Testing • System Installation
Dry and Wet Riser Mains are intended for use by the Fire Service to provide a readily available means of delivering considerable quantities of water to extinguish or prevent the spread of fire in large buildings.
Where will I find a dry/wet riser? Dry Riser In buildings where there are floors higher than 18m above Fire Service access level (to a maximum of 50m). • Low level buildings where there are excessive distances from entrances (60m).
Wet Riser • In buildings where there are floors higher than 50m above Fire Service access level.
Extracted from Regulatory Reform (Fire Safety) Order 2005, Section 38 - (1)
How DYNO KLANG can help ? Advanced Fire Technologies
Wet Risers
is committed to providing its customers with the highest level of service and support.
A Wet Riser System is kept permanently charged with water from a pressurized supply.
Through or team of trained engineers, we are able to service and maintain your systems.
Utilizing the town mains water supply, a series of pumps maintain water levels in large storage tanks, normally located on the uppermost level of the building.
Our custom built 'Dry Riser Unit', houses all the equipment and spares necessary to deliver a 'self-sufficient' service to your doorstep.
• Vehicle crossing ramps • Cones & barriers • Air Compressor • Electricity Generator • 600 litre water storage tank It's simple - in order to pressurize a Dry Riser System with water, and simulate usage by the Fire and Rescue Service, you must have the right equipment!
Each floor is fitted with an outlet valve, gravity fed from the storage tanks, to which a fire fighting hose can be connected. Service - Two inspections per annum Six Monthly - Visual and functional testing of all pipe work, brackets, valves and cabinets. Annually - In addition to the six month inspection, the following checks should be carried out: • Cleanliness of storage tanks. • Flow Test. • Thorough inspection of the booster pumps and their associated mechanical & electrical equipment.
Dry Risers Dry Risers are normally only charged with water when required by the fire and rescue service. An inlet valve is provided at street level allowing a fire service pump or engine to be connected. Each floor of the building is fitted with an outlet valve on to which a fire fighting hose can be attached. Water is then pumped through the riser for delivery at the relevant area of the building. Service - It is imperative that a maintenance regime is adhered to on a six monthly basis. Six Monthly - Visual and functional testing of all pipe work, brackets, valves and cabinets. Annually - In addition to the six month inspection, the system is pressurized with water to a pressure of 10bar and checked for leaks.
Assurance Dyno Klang gives you the assurance with the Fire Safety Regulations place a duty of care responsibility on the employer / owner to use competent persons. We will provide you with professional help and support to allow you to satisfy our service.
Contact For further information or a free no-obligation quotation, please contact:
Dyno Klang Fire Protection Engineering Sdn Bhd Lot 10436X, Batu 5, Jalan Kampung Jawa, 41000 Klang, Selangor, West Malaysia. Tel: 03 – 5161 9670 / 1 Fax: 03 – 5162 7869 Email:
[email protected] Web: www.dynoklang.com.my