A FDNY permit is required to conduct hot works under which condition?

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Multiple Choice

A FDNY permit is required to conduct hot works under which condition?

Explanation:
Hot work carries the risk of ignition from sparks and heat, so when the environment is oxidizing and contains a fuel, the fire danger skyrockets. Using both oxygen and a flammable gas creates a highly reactive, explosive-ready mix, making a formal FDNY hot-work permit mandatory to ensure proper safeguards are in place—such as controlling ignition sources, clearing combustibles, having a fire watch, and having appropriate extinguishing equipment. Other scenarios described don’t bring that same immediately dangerous combination of oxidizer and fuel, so they don’t trigger the permit requirement in the same way.

Hot work carries the risk of ignition from sparks and heat, so when the environment is oxidizing and contains a fuel, the fire danger skyrockets. Using both oxygen and a flammable gas creates a highly reactive, explosive-ready mix, making a formal FDNY hot-work permit mandatory to ensure proper safeguards are in place—such as controlling ignition sources, clearing combustibles, having a fire watch, and having appropriate extinguishing equipment. Other scenarios described don’t bring that same immediately dangerous combination of oxidizer and fuel, so they don’t trigger the permit requirement in the same way.

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