Risks to firefighters

摘要

For more than 30 years the UK has led the world in recognising the risk of smoke and hot gases in places of safety, means-of-escape routes and lobbies for the protection of firefighters. The greatest development, going back to before the London Building Act Section 20, was to understand the contribution made by positive pressure. Introduced into the staircase or lobby, it ensures that no smoke or hot gases from fire on adjacent floors can penetrate that protected zone.