Collapse Rescue Operations

It's a Saturday afternoon. You respond to a report of a building collapse with trapped occupants. (unknown number). Arriving on scene, you observe a three story brick and joist (Type IV) occupancy with an apparent roof collapse into the third floor.

The section of the building is part of a larger block area extending along the Bravo and Delta sides.

There appears to be a V-shaped collapse of the roof with structural compromise into the third floor. You're advised that there are at least 36 occupants living in the primary structure. The first floor has a commercial establishment (neighborhood Bar & Restaurant), the second and third floors are apartments. There is a debris pile on the sidewalk in front of the structure ( Alpha side). Some occupants are observed self extricating and appearing in the street or in window areas. There is no evidence of any visible fire or smoke at the time of your arrival. What are you going to do?

What is your immediate priority and needs?
What are the first five steps in your Incident Action Plan (IAP)?
Assuming you have a least a first alarm assignment consisting of Three (3) Engine Companies; One (1) Truck Company; One (1) Heavy Rescue Company, the Battalion Chief and a Safety Officer either on scene or enroute;
How will you deploy and utilize your resources?
What will you need?
What are the safety considerations?
How long do you plan to operate at the scene? (Logistics and Planning)
What is the risk profile of the building(s)?
What will change IF a fire abruptly erupts from the rear first floor?
Now get to work…..