Hot-works such as welding, grinding and metal cutting are among the leading causes of industrial fire losses. This representative scenario, based on patterns seen in real industry incidents, shows how the WES wireless life safety system, integrated with the REACT Notification System can prevent a routine job from becoming a multi-million-dollar catastrophe.


Close-up of welding sparks illuminating the floor and the boots of a worker, illustrating the hazards that require a WES wireless life safety system.

Sparks Ignite Hidden Fire

At a busy U.S. shipyard, a maintenance crew was carrying out welding and cutting on the hull of a large vessel. Working to tight deadlines, they overlooked key safeguards: no formal hot-works permit and no dedicated fire-watch personnel. As the cutting torch burned through the steel plating, heat penetrated the far side of the hull and ignited hidden combustible materials. Fires like this can spread rapidly and, according to NFPA hot-work standards and UK HSE guidance, are a major cause of serious industrial losses.


Instant Detection Prevents Disaster

Fortunately, the site had deployed the WES wireless fire alarm, a life safety temporary wireless fire alarm system trusted on construction and marine projects worldwide. Integrated with the REACT Notification System, it delivered protection on multiple levels:

  • Plug-and-play installation and three-year battery life meant the system was fully operational without permanent wiring.
  • Dust-resistant smoke sensors and a robust mesh network provided reliable coverage even in the demanding marine environment.
  • The REACT Notification System sent instant 24/7 alerts to safety teams and mobile devices the moment smoke was detected.

Within seconds, audible alarms sounded and key personnel received real-time notifications, allowing crews to extinguish the fire before it spread.


A United States flag flying prominently against the grey hull of a ship in a dry dock, illustrating a location where a WES wireless life safety system is vital.

Outcome: Safety and Continuity Preserved

Thanks to the WES wireless firm alarm and the REACT Notification System, the fire was contained quickly saving lives and property. No injuries occurred, damage was minimal and operations continued without costly delays. This scenario shows how Ramtech’s integrated solution gives site managers confidence that even high-risk hot-works can be performed safely.


Lessons Learned

This near-miss reinforces a critical lesson: fire risk never takes a break. Even experienced crews can become complacent under time pressure. Without a valid hot-works permit or an active fire-watch, sparks can reach unseen combustibles in seconds. Industry regulators such as NFPA consistently warn that human error and skipped procedures remain the leading causes of hot-works fires. The incident highlights the need for both procedural discipline and reliable, automated detection.


Planning & Prevention Tips

Site managers can reduce the likelihood and impact of hot-works fires by:

  • Requiring formal hot-works permits and ensuring each permit clearly outlines the scope and safety checks.
  • Assigning a trained fire-watch to monitor the area during and after all hot-works.
  • Keeping combustibles clear of the work zone, or shielding them with fire-resistant materials.
  • Installing a WES wireless fire alarm with REACT integration to provide real-time, site-wide alerts even when personnel are spread across large or complex environments.
  • Training crews on emergency procedures and regular testing of alarm systems.

These steps combine proven human procedures with the technology needed for rapid, reliable detection, an approach that protects both people and high-value assets.


A worker wearing a hard hat and high-vis jacket installs a detector that is part of the WES wireless life safety system on a raw concrete ceiling.

Why Choose WES

Ramtech has led wireless life-safety innovation since 1990. The WES wireless fire alarm, EN54-25 compliant and recognised with industry awards, delivers reliable, site-wide fire detection and evacuation alerts where permanent systems are impractical. Learn more about WES3 and the REACT Notification System to see how Ramtech protects people and property in dynamic environments.

FIND OUT MORE

Contact our team today to discuss how our solutions can help your business grow, or explore our WES and REACT products to see what we can do for you.

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