22 Post-Fire Analysis

Question 1

The fire service should consider analyzing significant fires by:

Answer 1

1. Documenting them on fact sheets
2. Diagramming the fire building
3. Photographing the fire scene after ops

Question 2

A post-fire analysis is a:

Answer 2

strategy, tactics, and safety investigation from the POV of a fireground commander.

Question 3

To complete part one of a fireground analysis, the chief officer must:

Answer 3

1. revisit the site of the fire and examine the burned-out structure
2. Interview FFs who were there
3. Study information collected for the official fire record

Question 4

Two important facts of the fire analysis fact shee are:

Answer 4

1. The point of origin
2. Cause of the fire

Question 5

Known reoccurring fire spread weakness associated with fire-resistive buildings…

Answer 5

Central Air/ HVAC System

Question 6

Known reoccurring fire spread weakness associated with noncombustible buildings…

Answer 6

Combustible roof deck allows the spread of flame and smoke

Question 7

Known reoccurring fire spread weakness associated with ordinary construction…

Answer 7

Concealed voids and spaces allow fire spread

Question 8

Known reoccurring fire spread weakness associated with heavy timber buildings…

Answer 8

Large amounts of structural fire loading, combined with unprotected window openings, create tremendous radiated heat waves which spread fire to exposed buildings

Question 9

Known reoccurring fire spread weakness associated with wood frame…

Answer 9

Combustible exterior walls with small horizontal separations between buildings

Question 10

General collapse characteristics of fire-resistive buildings:

Answer 10

1. Fire-resistive concrete buildings suffer localized ceiling collapse by spalling chucks
2. Secondary steel floor support beams of fire-resistive steel skeleton buildings separate from the main girder at the connection

Question 11

General collapse characteristics of noncombustible buildings:

Answer 11

suffer early roof collapse

Question 12

General collapse characteristics of Ordinary construction:

Answer 12

Parapet walls

Question 13

General collapse characteristics of heavy timber buildings:

Answer 13

Fully involved burning heavy timber constructed buildings suffer floor collapse followed by masonry wall collapse.

Question 14

General collapse characteristics of wood-frame buildings:

Answer 14

suffer bearing-wall collapse with instantaneous floor collapse.

Question 15

The most frequent causes of burning building collapse are:

Answer 15

1. Fire destruction
2. Explosion
3. Backdraft
4. BLEVE
5. Impact of hose streams
6. Water accumulation
7. Ice formation from hose streams

Question 16

The company’s _________ are procedures that achieve the fireground strategy.

Answer 16

tactics

Question 17

Tactics came before strategies.

Question 18

The officer preparing the fire analysis diagram should identify what on it?

Answer 18

1. Point of fire origin
2. Area of fire damage
3. exact position of fatalities
4. Hose line and ladder placement
5. Collapse and explosion destruction

Question 19

The diagram should be an overhead line drawing with exposure I [alpha] at ________.

Answer 19

The bottom of the page

Question 20

Information for the top of the page:

Answer 20

1. Date and time of fire
2. Alarm box number
3. Address of fire building

Question 21

Information for the lower left of the page:

Answer 21

1. Construction type
2. height in stories
3. width and length

Question 22

An important strategy consideration that must be shown on the post-fire analysis diagram is the…

Answer 22

Wind direction

Question 23

A ___________________ of a fire site is the third and most important part of a post-fire analysis.

Answer 23

photographic documentation

Question 24

The purpose of part three of a post-fire analysis is to:

Answer 24

supplement the information and facts compiled in the fire analysis fact sheet and the diagram.

Question 25

What is the most important strategy and tactical consideration at a fire?

Answer 25

Water supply and pressure