TB 035 - Overhaul Procedures

Question 1

Important factor for modifying overhaul procedures is a desire to strike a balance between to objectives:

Answer 1

• Extent to which burned contents and building materials are removed from a structure
• Our need to leave the scene undisturbed (insofar as possible) to aid concerned investigators in conducting any required follow up investigations

Question 2

What is the primary consideration that should guide officers in determining the scope of the overhaul plan?

Answer 2

Eliminating the potential for rekindle

Question 3

Main objectives of overhaul are:

Answer 3

-safety of fire personnel conducting overhaul operations by limiting or
removing exposure to hazardous/toxic atmospheres/substances and identifying/flagging
structural and environmental hazards that could potentially cause injuries or death

-ensure the fire is out and all potential for rekindle is eliminated

-leave the scene undisturbed – insofar as possible – for the purpose of aiding investigators
and insurance adjusters in determining the most probable cause and property loss
associated with the fire.

-identify and preserve all salvageable contents/possessions and minimize further damage
to the building and/or materials involved

-ensure the premises are turned over to a responsible party, deemed either safe or unsafe
to reoccupy as determined by authorities, secured as needed to prevent unlawful entry and
unauthorized acts, and checked a final time for rekindle prior to leaving the scene

Question 4

What are the best lines of defense against any dangerous form of gases, vapors, and particulates?

Answer 4

Time and Shielding

Question 5

environment directly following a fire incident should be considered immediately dangerous to life and health (IDLH) and treated as a

Answer 5

hazardous environment

Question 6

What can greatly reduce the levels of exposure to a hazardous environment?

Answer 6

Proper ventilation

Question 7

What is a main contributor to an IDLH atmosphere?

Answer 7

Carbon Monoxide (CO)

Question 8

What is not a accurate indication as to whether or not other harmful chemicals are present

Answer 8

Carbon Monoxide (CO)

Question 9

While ___ assists with improving the environment following a knockdown, ___ has a more significant effect on improving the atmosphere and creating a safer environment

Answer 9

Mechanical Ventilation, Time

Question 10

Gas meters should be employed to determine what?

Answer 10

Proper level of PPE needed and complete any necessary post-incident personnel exposure reports

Question 11

What does NFPA 1404-4 state?

Answer 11

SCBAs shall be used in IDLH because no way to predetermine dangerous conditions, concentrations of toxic, materials, or percentages of O2 in air that exist during initial overhaul salvage operations, or under other immediate emergency conditions involving spills or release of chemicals or other toxic materials

Question 12

What are the two forms of protection from products of combustion?

Answer 12

Respiratory (SCBA)
Skin Absorption (Turn-outs)

Question 13

To provide shielding, PPE turnouts has:

Answer 13

Moisture and vapor barrier

Question 14

Hood does not hav a vapor barrier but should be worn to:

Answer 14

Minimize exposure from these toxins and vapors

Question 15

How can additional exposure c=be eliminated or reduced?

Answer 15

Proper maintenance of turnouts

Question 16

Knockdown is declared, the IC shall:

Answer 16

Cause all activity to cease

Shall establish fire watch with minimum required personnel as IC surveys premises to identify structural and environmental hazards, determine origin and cause and develop incident overhaul plan

Question 17

Ic or designated representative shall cause all structural and environmental hazards to be clearly identified by what?

Answer 17

Fire-line tape to effectively alert all personnel to known hazards, including roofs, walls, ceiling, and floors

Question 18

Areas that are completely restricted shall be identified by how?

Answer 18

Both fire line tape, and red and white striped barricade tape

Question 19

How is the IC responsible for documenting all hazards/risks,and areas involved?

Answer 19

ICS 215A Incident Action Plan Safety Analysis

Question 20

During overhaul, all officers shall be responsible to orientate their respective erroneous to all identified hazards, regardless of

Answer 20

The area responsibility they may be assigned to work

Question 21

IC shall designate an officer to coordinate and execute the overhaul plan and to act as

Answer 21

Safety Officer

responsible for monitoring hazardous/restricted areas and correcting any potentially unsafe acts.

Question 22

IC should order relief companies to replace what?

Answer 22

Initial resources involved in extended, physically demanding firefighting operations.

Question 23

Overhaul operations may be delayed for a longer period of time when?

Answer 23

Arson Section Investigators are requested to assist

Question 24

Arson to conduct investigations during daytime hours , night may require the IC to establish an extended fire watch rotation with?

Answer 24

MFC

Question 25

Complete overhaul description:

Answer 25

-Traditional Method
-Obj of overhaul outlined in Section II
considering factors- time, shielding and spoliation
-IC or officer SHALL determine PPE to wear

Question 26

Minimal PPE considered when occupancy is well vented for a minimum of what?

Answer 26

One Hour

Question 27

Gas meters shall be utilized and put in place to monitor the atmosphere levels throughout the …

Answer 27

• Occupancy

- Duration of the overhaul

Question 28

Wet Overhaul Description:

Answer 28

-No salvageable content exists
-Apply sufficient foam to the contents, areas of involved structure, attention to hard reach areas and points of occupancy where structural members overlap or cross one another
-

Question 29

Fire Watch:

Answer 29

Companies re-enter structure, full PPE, identify and address possible flare-ups or hot spots while being mindful to preserve scene

Question 30

The duration of the fire watch and rotation of companies shall be determined by :

Answer 30

IC and coordinated through MFC for specified period of time

Question 31

Using a TIC during overhaul procedures to ensure

Answer 31

Complete knockdown is accomplished

Question 32

The TIC allows:

Answer 32

• FF be more effective and make better decisions
• Cannot see through solid surfaces, can only pick up heat transferred to the material surfaces
• Identify hot spots without causing unnecessary damage

Question 33

Where shall overhaul piles be established?

Answer 33

• Location that will minimize any inconvenience to the public
• Minimum of 10 feet away from any part of a structure
• Identified in planning phase for coordination of companies during overhaul

Question 34

Salvageable Items:

Answer 34

Contents considered to be salvageable in separate piles so property owner to recover

Question 35

Non-salvageable items:

Answer 35

Contents non salvageable in separate pile for property owner or insurance properly asses the loss

Question 36

Combustible materials and other removed contents should be located in

Answer 36

Separate piles and wet down with a hose line using foam to ensure fire is out

Question 37

Securing the premise or returning the property back to owner is the

Answer 37

Final phase

Question 38

When returning the occupancy, IC or designated officer shall

Answer 38

Walk through building with owner and provide summary of work performed

Question 39

When leaving the scene, IC shall ensure property is turned over to

Answer 39

Responsible party or properly secured to prevent unauthorized entry

Question 40

How many percent is more likely diagnosed with cancer

Answer 40

14%

Question 41

Roughly how many percent of cancer accounts for line of duty deaths

Answer 41

60%