Shared Flashcard Set

Details

Strat & Tact considerations
smith ch 4-6
39
Other
Professional
07/13/2007

Additional Other Flashcards

 


 

Cards

Term
a master stream exceeds what gpm
Definition
300
Term
what is the number 1 priority of engine and truck companies respectivly.
Definition
Locate the fire p101
rescue p109
Term
Ladders to the roof should extend how many rungs above the roof
Definition
3
Term
Interior doors that open outward mean what
Definition
Dwellings means a closet
Commercial means utility area
Term
what must FF's be taught to do when they hear the sound of breaking glass
Definition
Slope their shoulders downward to allow glass to slide off
Term
a vent hole should be done with the wind to the back and preferabley 1 large hole of what size
Definition
4x4 small roof
8x12 large roof
Term
How do you use a nozzle to hydraulically ventilate
Definition
fog pattern covering 90% of opening
Term
when can a trench cut be attempted

where should the observation hole be cut
Definition
after the initial vent hole is cut

Between the initial hole and a location near where the trench will be placed
Term
observation holes can be of any shape the most common are?
Definition
Kerf(a single blade cut(
Triangular
Term
Trench cuts should be how far apart and where should perpendicular cuts be made
Definition
30-36 inches apart with perpendicular cuts every 3 feet
Term
On scene when should the power saw first be started
Definition
When taken off apparatus
Term
Fire resistive construction is what type
Definition
type 1
Term
Noncombustable/Limited combustible is what type of construction
Definition
type 2
Term
Ordinary is what type of construction
Definition
Type 3
Term
Heavy timber is what type of construction?
Definition
Type 4
Term
frame construction is considered what type of construction?
Definition
Type 5
Term
frame construction is considered what type of construction?
Definition
Type 5
Term
When steel is heated it expands how much?
Definition
9.5 inches per 100 feet. A rule of thumb is 1 inch expansion for every 10 feet of material
Term
Define a "Built up roof"
Definition
steel decking on steel bar joist, layered on top with insulation roofing paper,tar seal, gravel.
Term
What is a common problem in Built type roofs when the tar vapor seal is heated up?
Definition
The tar breaks down in a flamable Gas and can burn on the underside of the roof undetected
Term
Steel bar joists can be how far apart
Definition
6-8 feet
Term
Define a fire cut joist
Definition
A 30 degree cut on the end of each joist, which allows the floor to collapse without pushing the walls out
Term
what are the two types of wood truss construction and how are they defined?
Definition
Lightweight and Timber Truss which is caracterized by a minimum size of 4X6.
Term
what id the most important factor in determining whether a building will fail under fire conditions
Definition
The roof structure
Term
What is the weakest point on a truss roof.


What is the major problem with the use of steel in truss construction
Definition
Anchor points especially where hey don't contact the wood

It will fail readily under fire conditions
Term
Metal surface fasteners (Gusset plates) will fail when the depth of char exceeds
Definition
.25 inches
Term
What are the three basic types of wall Collapse
Definition

90 Degree

Inward outward

Curtain

p196

Term
What percentage of a walls height is used to predict its Collapse zone
Definition
100%

p197

Term
What is the type of collapse that causes the most firefighter injuries
Definition

Localized interior collapse

p213

Term
What is a prime consideration in Shoring operations
Definition
Do not force the shoring in place p228
Term
what are the ornamental plates that can be seen on the exterior of an exterior wall usually type 3 const
Definition
Wall Spreader
Term
What does plaster sliding off the walls indicate and what should happen if you see this.
Definition
Its caused by a twisting movement of the building and warns of collapse imminent.  Evacuate immediately
Term
What are the 4 types of floor collapse
Definition

pancake

V-type

lean to

unsupported floor collapse

p227

Term
How does OSHA define an IDLH atmosphere
Definition
Fires that are beyond the incipient stage Immediately dangerous to life and health.  p244
Term
Can firefighters be inside a structure and still be in compliance with two in Two Out.
Definition
Yes because the rule governs entry into an IDLH not a structure per se. p244
Term
Explain first in first out
Definition
The first arriving unit is the first to leave the scene. This Allows for even workload, due to fatigue. p248
Term
What is the role of the safety Officer
Definition
To observe operations and act as a risk manager. p231
Term
Most 30 minute scba cylinders have how much usable air.
Definition
15 minutes p242
Term
A PAR (personnel accountability report) should be taken when
Definition
Routinely to insure accuracy of where personnel are operating and during drastic changes:building collapse, shift from offense to defense, emergency evac. p244
Supporting users have an ad free experience!