Visible crew/equipment: When we see the nurse in the ER at the start, the camera passes behind a small wall and the shadow of the camera is seen. (00:04:00)
Visible crew/equipment: When the train pulls into the station there is a shot of the train and there is a very clear reflection of a cameraman. This is not when they are filming a documentary about trains using the red line. (00:24:35)
Answer: Yes, the chances of surviving those circumstances is completely impossible. Not just the heat, but also toxic fumes which will incapacitate you very quickly. At one point the soles of his shoes were melting, at that point you would have been dead. It's a heroic scene, but not very believable.
lionhead