CASE STUDY Fire & Explosion:

WHO? NRG Energy

WHERE? The Morgan Town Plant is a coal powered power station based in Maryland. NRG own the USA’s largest and more diverse power generation competitive portfolio. NRG are dedicated to smart and reliable energy sourcing, and emission reductions although coal is a significant part of the electricity generation.

WHAT? Fires and explosions pose a constant threat to the safety of miners and to the productive capacity of mines. Mine fires and explosions traditionally have ranked among the most devastating industrial disasters. The prevention and control of fire and explosion in mines is fundamental. On a mine site, fire hazards may occur in and around process plants, underground conveyors, static and mobile plants, draglines, workshops, substations, monitored control rooms and switch rooms. All mines have highly expensive and mission critical equipment that typically operate day and night under extremely hostile conditions, in vast, remote and difficult to access environments, especially on underground equipment.

Gaseous fire suppression systems are the preferred systems installed to protect the high value asset and safeguard operators and processes so as to guarantee business continuity.

WHY? Gaseous extinguishing systems are pressurised, and therefore exist in a dynamic state i.e. they can leak. As supported by the BS EN ISO 14520 regulation, if clean agent cylinders leak beyond 5% of contents or 10% of pressure they will not extinguish a fire, as they will be below their design concentration.  As the “golden standard” of clean agent systems, BS EN ISO 14520 highlights the asset owner’s responsibility to check that the clean agents contents exist; that the protected space can be sealed; that the pipework used to discharge the clean agents are clear of particulates that can clog up the nozzles which reduces the amount of clean agent to the point where it cannot operate in the event of a fire.
HOW? After witnessing fire service experts undertaking ultrasonic liquid level indication in just minutes, NRG Energy were keen to change from their previous method of weighing which took over 15 minutes. The Portalevel® Max is an example of the technologically advanced techniques that the company are implementing to lead the way in safe and sustainable coal sourcing.  Portalevel® MAX is a handheld ultrasonic liquid level indicator to inspect CO2, clean agents and more liquefied gaseous agents, by one person in just 30 seconds as a safety critical asset, the Morgan Town Plant saw the necessity in investing into their fire safety.

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