6min chapter

Cautionary Tales with Tim Harford cover image

The Final Illusion of the Great Lafayette

Cautionary Tales with Tim Harford

CHAPTER

Getting to the Source of the Flames

At the time, Kings Cross was London's busiest underground station. It is built across five levels connected by a labyrinth of escalators and passageways. The safety inspector put down the phone and went to investigate the smouldering. But he had misunderstood which escalator to check. He can't get to the source of the flames with an extinguisher. What's burning is all the grease, dust and debris that's built up over the years underneath the escalator. There are no heat or smoke sensor in the machine room so you have to turn it on by hand. Nobody else on the staff remembers this system exists either. They haven't been well enough trained in fire safety. How

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