Overhaul Flashcards
Overhauling is the practice of opening walls, ceilings, partitions, voids, etc., to check for extension. IN THE FIRE AREA, initial overhaul begins after the _________________and____________________.In all other areas, checking for extension must begin as soon as possible.
Main body of fire is knocked down and primary search has been completed
T/F
The thermal imaging camera is not a substitute for properly opening-up voids during overhaul.
TRUE
Header: A beam that runs across the top of a window or door opening. It can also describe a beam which carries the ends of joists which are cut off in framing around an opening such as a scuttle or chimney. Can HEADERS be removed?
YES
Headers often carry a load from above, and care should be used if they must be removed.
Lintel: A horizontal building member, supporting the weight above an opening, such as a window or a door. When overhauling, should Lintels be removed.
NO
When overhauling, lintels should not be removed, regardless of charring, as they support a considerable amount of brickwork.
The removal of major structural elements is a very serious matter. If complete extinguishment cannot be accomplished in any other manner, can floor joists or roof joists be removed.
YES
The removal of major structural elements is a very serious matter. Floor joists or roof joists should not be removed if complete extinguishment can be accomplished in any other manner.
All light fixtures in the __________ must be opened up and examined for fire extension (Figure 4). This should be done after the power has been shut off to the fire area.
The fire area
For top floor fires where tin ceilings are present, particularly in commercial occupancies, a ________________should be brought to the roof. After a hole has been cut in the roof, the _____________ can be used to push the tin ceilings down from the roof level. This is the most efficient method of opening-up tin ceilings. However, it must be carefully coordinated with members operating in the fire area to prevent injury.
12-ft straight ladder
Ladder
__________________ is the primary hazard during a lightweight suspended ceiling collapse
Entanglement
Found in older commercial occupancies as well as multiple dwellings. Substantially Framed Drop ceilings usually consist of wood framing such as 2’x4’s hung from roof or ceiling joists. Sheetrock or plaster and lath is then hung from the underside of this dropped wood framing. This type of ceiling is significantly heavier than a lightweight suspended drop ceiling. The primary hazard during the collapse of these ceilings is_____________________.
the danger of members being crushed and trapped.
A _____________approach to overhaul in the fire area will be conducted at all _________and _________fires. This will include _________ opening-up all four walls in the fire room and _____________ pulling the ceiling. The sixth side involves a thorough examination of the ___________. In addition to looking for extension, all floors and areas under beds must be carefully examined for possible fire victims (or pets) prior to commencing with standard overhaul. The results of this examination should be communicated to the Fire Sector Supervisor. The seventh side will involve opening up all __________ areas of the building exposed to fire, including combustible siding, cornices, soffits, EIFS, etc.
SEVEN-sided
Medium and advanced
Completely
Completely
Floor
Exterior
Note: Medium Fire Situation indicates a fire that may be extinguished with the operation of two hand lines.
Overhauling in the immediate fire area begins at the seat of the fire and progresses outward from there. The ________ of the fire room should be opened-up first, generally starting at the point where the fire was most intense and working towards a clean area of ceiling space. At a minimum, the _________ ceiling of the fire room should be pulled.
Ceiling
Entire
The __________ is a large void in kitchen and/or bathroom walls where plumbing lines, gas piping, waste lines, and ventilation stacks are run. This area can be quite large and is rarely fire stopped
Wet wall
This area can be quite large and is rarely fire stopped. It provides an uninterrupted vertical path for fire to spread to all floors in the building. In many occupancies, the kitchen and bathroom in the same apartment share a wet wall, or two kitchens in adjoining apartments share one (Figures 21A & 21B).
If there are any indications that fire has extended into the wet wall, it will have to be opened-up on___________________________.
all floors, including at the cellar level.
Gas and plumbing piping are often poorly fire stopped where they pierce the concrete cellar ceiling in New Law Tenements (Figure 22). If the wet wall is shared with an adjoining apartment, members must also open up the wet wall in the adjoining apartment on all floors. The roof firefighter should cut a hole directly above the wet wall to allow fire, smoke and gasses to vent out of the roof. If this is not done, rapid fire extension can be anticipated to additional apartments and the cockloft.
If there is any indication that fire may have entered the dumbwaiter shaft, it will have to be opened up on the
A. Fire floor,
B. floor(s) above
C. cellar level.
D. All of the ABOVE
D
Any cabinet that shows an indication of ______________must be completely removed from the wall. If there is charring present on the wall, or the back of the cabinet, the entire bay and at least ______bays on each side will need to be fully opened up from the floor to the ceiling. If charring is found in a bay with a gas line, water pipe, conduit, etc., all bays that the piping passes through must be opened up.
Heat Exposure
Two bays on each side
