At a flooding scene, a spring door is leaking water. What action should you take to secure the flooding?

• A. Vent area
• B. Shut off power
• C. Fill with foam
• D. Attempt to isolate it, to reduce pressure.

Answer: (D)

Isolating the flooded area to reduce the water pressure is the best move. By cutting off the source of water and sealing off the affected compartment, you lower the head of water pushing through the leak, which slows or stops further inflow and makes it possible to control and secure the flooding.

Venting the area would only invite more water in, and filling with foam isn’t a reliable fix for a live, pressurized leak like a spring door. Shutting off power is important for safety around water, but it doesn’t directly address stopping the flood itself. Focusing on isolation reduces the pressure and confines the problem, which is the priority in this scenario.