What is cold work and why is it controlled on a ship?

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Cold work means tasks that do not involve open flames or sustained heat, but can still create hazards such as sparks, fumes, or released energy. On a ship, these non-heat tasks are controlled because even without burning, they can ignite flammable vapors, dust, or fuels in confined spaces, or expose crew to hazardous atmospheres. That’s why safe work controls are required: isolating energy sources, testing the atmosphere, ensuring proper ventilation, using appropriate personal protective equipment, and often having a fire watch or other monitoring. The goal is to prevent ignition and protect crew during any non-heat operation.