Madison Avenue Strip Mall
There has been a report of a smoke condition in the area of the Madison Ave.Strip mall. What actions will you take to insure the safety of your crew? You are familiar with this location due to the recent pre-fire planning you and your company has been doing there. The Strip Mall was constructed in the mid 1970’s. There are 5 stores in this complex. The building is one story high and of NON combustible construction.
The walls are 12′ X 8″ X 16′ MASONRY BLOCK.The roof assembly is Steel Bar Joist with corrugated metal decking with a tar and felt water proof barrier. There are party walls,each store has a heavy HVAC unit on the roof. There are suspended ceilings in each store with a 2 foot void between the ceiling and the roof.
You are the first arriving company officer. You observe smoke and fire coming from the broken front window of the Apex Art Gallery. This store is located in the middle of the mall with 2 stores on each side. Exposure A is Madison Ave. Exposure B is a toy store. Exposure C is a parking lot and Exposure D is a vacant store.
It is July 15th at 1800 hrs. The wind is calm and the temp. is 72 degrees.
1. As incident commander what are your concerns with this type of building construction.
DUNN – 136
1. Unprotected STEEL BAR JOIST roof supports.
2. Roof Can Fail in 5 to 10 minutes.
3. Wide spacing of the roof supports/Joists… 6 to 8 feet apsrt.
4. The cut foof can suddenly hing downward into the fire.
5. Must proceed with causion to prevent cutting the top cord of the joist.
6. Concentrated loads affect roof stability. HVAC notify IC.
7. Metal deck Roof fire. the 20 ft. sections do not have to fall on a joist.
8. Steel elongates when heated by fire and may push out masonary walls.
9. Parapet wall collapses at a 90 degree angle the height of the wall and the length of the entire building due to metal tie rods that hold all the bricks together. collapse zone 1 1/2
10. Common cockloft causes rapid fire spread. there is a backdraft condition in all stores.
11. Lack of FIRE STOPS. We must force entry into all stores to check for extention.
12. Pay attention to general poke thru holes they can expose the whole structure to the fire.
13. look for large flat winows just below roof level Built into those buildings
14. These buildings are reenforced in the back exits.
2. What are the steps to saftly vertically vent this type of roof? Norman
1. Coordinate between interior hose teams and exterior Roof teams making the cut.
2. interiot hose team uses a 2 and a half inch hose line for reach and penitration.
3. You can not cut directly over the fire. If the cut must be made you can
back away 20 to 30 feet away from the fire and make your cut there. or better
yet,special call for aerial aperatus with articulating boom and make the cut from
the safety of the bucket secured by ladder belts.
4. Members will work in teams of 2 with the wind at their backs.
5. Members will keep RADIO COMMAND about the conditions found at the roof level.
6. The saw will be started on the ground before hoisting.
7. Sound the roof! check roof for hot spots
8. Make sure you do not cut the top cord of the truss.
9. ensure a secondary means of egress for the roof teams.
10. Look for high horizontal opening that can work as Verticalventing.
11. Evacuate roof when tasks are complete.
3. Fire is gaining headway at this fast moving fire. What actions would
you take to ensure the safety of your crew? NJ DFS Booklet 9-24
1. MAYDAY Radio Message
2. Air horns on all apperatus will be sounded continuously for one minute.
3. All members will immediately exit the structure and report to the
accountability officer for a P.A.R.
4. The results of the P.A.R. will be transmitted and relayed to the
5. Strike additional alarms.
6. establish a collapse zone 1 and a half times the height of the building.
7. evacuate and protect all exposures.
8. Establish a perimeter with barrier tape.
9. Switch to a defensive mode and set up master stream operations.
10. moniter structure