Taxpayers Flashcards
Taxpayers:
Will removing the cornice provide access to the cockloft?
1900-1920s?
1920s-1960s?
(Most prevalent type of taxpayer)
Usually will provide access
It will usually not
Taxpayers:
What is the height of the ceiling in the mezzanine area?
Usually below average
Also usually not enclosed
Taxpayers:
What is the rule for a sprinkler protection in the 1938 code?
1968 code?
2008 code?
1938 - 10,000 sq ft
1968 - 7500 sq Ft
2008 - 12000; or all floors exceeds 24000 ft; or storage is on high piles racks
Taxpayers:
What is the height of a cockloft?
4” - more than 6’
Taxpayers:
What is the most common roof?
Wood joists covered with tongue and groove or plywood
Taxpayers:
Open web steel joists span distances up to what?
60 feet
Taxpayers:
Open web steel joists exposed to heat may collapse in how long?
5-10 mins
Taxpayers:
How can you tell if a wall above a roof surface is a fire division?
Hit with a tool, if it is masonry then it is a fire division
Taxpayers:
Should you cool a steel beam with water?
Yes, without hesitation.
If the beam is sagged, then nobody should be allowed in the collapse zone. If cooled they will contract to its original size and may pull them out of their supports.
Taxpayers:
New type versus old type of construction which is better for my fire protection viewpoint?
New type
Many are built on a concrete slab
Taxpayers:
What percent strength does a truss roof have compared to its original intent?
Only 40% of the load they were originally designed to hold
Taxpayers:
How long does it take a cast iron column to fail?
30 minutes
Taxpayers:
How can you access a cellar fire for stream operation from the street?
Paneling under the display windows at Street front
Taxpayers:
A warning sign of a structural collapse is a fire burning out of control for how many minutes?
20 minutes
Taxpayers:
What color of smoke is associated with Backdraft?
Dirty brown, yellow brown, gray yellow
Taxpayers:
What is the percentage of explosive mixture in a room required for a back draft to occur?
25
Taxpayers:
Is the high portion of the cock loft at the front or the rear of the building?
Front
** The standard flat roof may have little or no pitch**
Taxpayers:
What is natural versus mechanical ventilation?
Mechanical is using Fans, natural is opening holes
Taxpayers:
What size hole should be cutting the roof?
8 x 8
Taxpayers:
The immediate ventilation and cutting of an effective hole calls for what resources?
2 saws, 4 members
**roof sector supervisor MUST supervise when more than one saw is operating
Taxpayers:
In most cases does a roof fall section by section or in one piece?
Section by section
Taxpayers:
When using a fog tip to ventilate smoke, how far back should you stand?
4-5’
Taxpayers:
At what types of fires should the vent support group be used?
Cellar fires
Taxpayers:
What affects the outcome of an operation more than anything?
(At taxpayer fires?)
Ventilation
Taxpayers:
How do you ventilate an open web steel joist roof?
Skylights and Scuttle covers
Emphasis should also be placed on horizontal ventilation
Taxpayers:
If it is discovered that you were operating on a gypsum roof?
Immediately notify the roof supervisor and IC and evacuate
Taxpayers:
Can you operate on the interior at a gypsum roof?
Interior ops shall be conducted from areas of safety
Taxpayers:
When do you call an extra one and one?
When do you call a second alarm?
1/1 = Two lines operating on an advance the fire in a store
2nd = Extension to a cockloft, extension to adjoining occupancy, or advanced fire in a cellar
Taxpayers:
How many portables on a building?
5
Minimum of two in the front, and one on each side
Taxpayers:
What is the ultimate purpose of ventilation at taxpayers?
To allow units to move hose lines in and extinguish
Taxpayers:
How far apart are the wood joists placed?
16”
Taxpayers:
At bowstring truss, and interior attack may be performed based on what factors?
LASS
Life hazard
Access
Structural stability
Size location of fire
Taxpayers:
When can members not operate on the roof of a bowstring truss?
At a content or structural fire.
So if a piece of paper is on fire inside, no one on the roof
Taxpayers:
At a vacant bowstring what is the primary tactical consideration?
At large fires or when the trusses or on the side of roof are involved?
Exterior operations for both
Taxpayers:
What methods can you use to determine a fire is in the truss space?
Thermal imaging camera from below
Triangular cut in sloping hip section in the front or rear from a tower ladder bucket
Taxpayers:
Can you operate on a Bowstring roof in a building not involved in fire?
Yes for example stretching a line from that roof into an adjoining building
Taxpayers:
Can you cut open web steel joists?
No
Taxpayers:
How do you ventilate an open web steel joist roof?
Skylights and Scuttle covers
Emphasis should also be placed on horizontal ventilation
Taxpayers:
When should you allow the 4’ x 4’ segments of an 8’ x 8’ hole to be pulled?
Only after the additional leg cuts are placed in the cutting pattern
Taxpayers:
How wide should a trench be?
Can you trench if fire is not in the cockloft?
At least 3’
Yes if a cellar fire or a serious first floor fire is doubtful and it may extend to the cock loft
Taxpayers:
A proper positioned tower ladder can cover a building with how many feet as a frontage
100
Taxpayers:
Can you stretch an inch and three-quarter at a taxpayer?
Yes only after the initial attack can it be reduced to inch and three-quarter if the 2 1/2 is not required
One and three-quarter inch lines may be used in exposures of compatible
Taxpayers:
Can you operate a line into a trench?
Yes to confine the fire, all members in the store must be withdrawn
Taxpayers:
If there is an interior stair to the cellar, then where should the first line go?
To the interior stair to prevent spread of fire. If it can advance then it goes - Then a second line must be stretched to the top of the stairs
Taxpayers:
If First line cannot advance down the cellar stairs then where does the next line go?
Via an exterior entrance, if they do not control fire then outside streams will be required
Taxpayers:
Cellar fire: where does the first line go?
Into the occupancy above to prevent vertical extension
Taxpayers:
Cellar fire:
What does the second engine do?
Help the first engine
If there is a sprinkler, supply it
If they’re supplying the sprinkler then stretch a line to back up the first
Taxpayers:
Cellar fire:
Where does the second line go?
1 control first floor if 1st line advanced down
- Backup the 1st
- Go down if 1st line is protecting first floor
(Via interior or exterior) - Employ cellar pipes
Taxpayers:
Cellar fires:
What does the third engine company do
Ensure sprinkler supplied
Taxpayers:
Store fire:
First engine stretches to?
Second engine?
- Into the store
- Assist first, then feed system if there is one, then stretch second line
3rd engine: ensure sprinkler supplied
Taxpayers:
Cockloft Fire:
Where does the first engine operate?
Into the most seriously exposed occupancy.
If there is no exposure problem stretch into the store under the main body of fire
Taxpayers:
Cockloft Fire:
Where does the second engine company operate?
assist the first engine with the initial line.
If conditions permit stretch into another exposed occupancy
Taxpayers:
Cockloft Fire:
Where does the third engine company operate?
Ensure sprinkler supplied; as ordered by ic
Taxpayers:
What is the primary duty of ladder companies at taxpayers?
Life safety
Taxpayers:
Cellar fires:
Do you need a line in place before cutting floors?
Yes
Taxpayers:
Cellar fires:
First truck inside team?
What should they vent?
Into the store above
The windows, cut the floor, etc. Coordinate with First LCO
Taxpayers:
Cellar fires:
Who shuts down the utilities?
The first truck inside team shuts them down at cellar and store fires.
Taxpayers:
Cellar fires:
What area should the OV pay particular attention to when searching?
The first floor rear
Taxpayers:
Cellar fires:
What does the first roof bring?
What does the second roof bring?
A portable
Another portable and a saw
Taxpayers:
Cellar fires:
Where does the second truck inside team go?
Adjacent stores and cellar entrances
Taxpayers:
Store fires:
Who do you need permission from when venting the show windows?
The IC. Also need a charge line in place.
**in cellar fires, you need permission from the LCO.
Taxpayers:
Store/cockloft Fire:
First roof brings what?
Takes a portable to the roof and brings a saw.
Taxpayers:
Store/cockloft Fire:
Second truck goes where?
Into adjacent stores
Taxpayers:
Store/cockloft Fire:
Second roof brings what?
Second portable to the roof and he also brings a saw
Taxpayers:
What tool is affective on case hardened locks?
The saw. Bam Bam tool is in effective on these.
Taxpayers:
What does the ov bring?
maul and Halligan
Hook, or axe will be inadequate
Taxpayers:
What do trucks bring other than first or second due on the initial alarm?
Normal complement of tools +10 and 12 foot hooks
Taxpayers:
Two story taxpayer: how should you ladder the second floor?
Completely
Taxpayers:
New construction: how high do parapets have to be?
When are they required?
At least 2 feet
Buildings over 22 feet, or if the roof is combustible
“TRIPLE DEUCE”
**fire escapes prohibited in new buildings”
Taxpayers:
Roof man tools:
If you bring a saw, then what else should you bring?
If bringing a saw, you should also bring a hook.
If going to the roof subsequently with a saw should bring an axe or irons. (Can easily open tarred over scuttles and skylights)
