FIRETEST SOLUTIONS TO DELIVER THE SAFESITE IN WIND TURBINES

FIRETEST SOLUTIONS TO DELIVER THE SAFESITE IN WIND TURBINES

With some turbines at almost 200m in height, they are effectively outside the range of the fire emergency services; and when it comes to turbines at sea, human intervention in the event of fire is virtually impossible. It is for this reason that the NFPA 850 Recommended Practices suggest guidelines and AHJs and other fire inspectorates, consultants, associations, the insurance companies and the OEMs themselves all have a role in play in developing good codes of conduct.

Wind turbines require an active fire protection system, which includes but is not limited to detection (of flames, heat, gas, and smoke), alerting personnel and rescue services, and activating systems for fire suppression or extinguishing. Due to the height and location of wind turbines, classic firefighting methods come up against their limits and therefore fire extinguishing systems that use gases such as carbon dioxide, inert gases or clean agents such as FM-200® and Novec™1230, which are especially appropriate for dealing with fires in electrical systems because they extinguish the fire quickly whilst not damaging the electrical systems or the compartment in which they are being discharged.

However, it is important to note that such fire extinguishing systems require maintenance to ensure they are fully operational and ready in event of a fire. ISO 14520-1:2015(E) assumes that these systems accidentally discharge and leak. 6.2.4.2 Contents indication: “Means shall be provided to indicate that each container is correctly charged.” Followed by “9.2.1.3 The storage container contents shall be checked at least every six months as follows. a) Liquefied gases: for halocarbon agents, if a container shows a loss of agent in quantity of more than 5 % or a loss of pressure (adjusted for temperature) of more than 10 %, it shall be refilled or replaced.”

Section 10.5.3.2.2. of the NFPA 850 states that the Maintenance and inspection of total flooding gaseous agent systems and interlocked equipment are critical. All systems at some time maybe called upon to operate in an emergency situation and may help in saving life and property. It is for this reason that knowledge must be had that the system can operate to its full potential.

Focused on continued advancement of safety technology, Coltraco have now developed the Permalevel® Multiplex, a fixed fire suppression monitoring system, designed for continuous contents verification. Permalevel® is designed to ensure that fire suppression systems are always fully operational and that no accidental discharge has occurred, which could affect the effectiveness of the overall fire protection system in the event of a fire. With guaranteed systems operations, adaptability for purpose, 24/7 remote access to the systems status, an uninterruptible power supply (UPS) and remote real-time monitoring, the Permalevel® offers the efficiency that is needed in a wind turbine. For regular inspection, the Portalevel® MAX is a handheld ultrasonic liquid level indicator, which can service a cylinder in 30 seconds (in contrast to 15 minutes by traditional manual weighing) with accuracy of up to 1.5mm off the true liquid level. Portalevel® MAX builds on Coltraco Ultrasonics’ 30 years’ experience in designing, manufacturing and supporting ultrasonic liquid level indicating equipment, in 108 Countries and numerous market sectors and environments. The development program was born out of the desire to further improve on Coltraco’s existing 8 designs and taking on board feedback and opinions of our customers.

Coltraco Ultrasonics provide smart Firetest® solutions which enable wind turbine owners and operators to improve their fire safety management and reduce the risks to human life, business continuity caused by any downtime and thus minimise risk to reputation by delivering a Safesite®.

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