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Questions and Answers
What is the primary responsibility of one outside crew member during an incident?
What is the primary responsibility of one outside crew member during an incident?
What safety equipment must outside fire protection personnel have?
What safety equipment must outside fire protection personnel have?
Under what circumstance can fire (rescue) crews enter a structure without the required minimum two outside personnel?
Under what circumstance can fire (rescue) crews enter a structure without the required minimum two outside personnel?
Which of the following is NOT permitted for communication between interior and exterior crews?
Which of the following is NOT permitted for communication between interior and exterior crews?
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What must interior crews do if they suspect a change to an IDLH atmosphere?
What must interior crews do if they suspect a change to an IDLH atmosphere?
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What does IDLH stand for?
What does IDLH stand for?
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Which of the following is a potential indicator of an IDLH atmosphere?
Which of the following is a potential indicator of an IDLH atmosphere?
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What is the minimum personnel requirement for a fire crew to initiate an interior attack without waiting for additional apparatus?
What is the minimum personnel requirement for a fire crew to initiate an interior attack without waiting for additional apparatus?
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What should fire protection personnel do while entering an IDLH area?
What should fire protection personnel do while entering an IDLH area?
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What must happen if a fire is beyond the incipient stage?
What must happen if a fire is beyond the incipient stage?
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Who is responsible for reviewing the guidelines annually?
Who is responsible for reviewing the guidelines annually?
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What happens if an apparatus is staffed with fewer than four personnel?
What happens if an apparatus is staffed with fewer than four personnel?
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What does the guideline not indicate as a potential indicator of an IDLH atmosphere?
What does the guideline not indicate as a potential indicator of an IDLH atmosphere?
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Study Notes
Two In/Two Out Policy
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Purpose: The policy outlines guidelines for firefighters entering Immediately Dangerous to Life and Health (IDLH) atmospheres during initial fire attacks. It aligns with Texas Commission on Fire Protection (TCFP) regulations (Texas Administrative Code Title 37, part 13, Chapter 435, Rule 435.17) and OSHA 29 CFR 1910.134(g)(4).
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Scope: All Spring Fire Department personnel are responsible for understanding and adhering to this guideline.
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Review: The Fire Chief or a designated representative is responsible for reviewing the policy annually to ensure accuracy.
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Definitions/References:
- IDLH (Immediately Dangerous to Life and Health): Any atmosphere posing an immediate hazard to life or producing immediate, irreversible, debilitating health effects.
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Potential Indicators of IDLH:
- Lack of visibility due to smoke
- Extreme heat
- Rapid deterioration of the structure's interior/exterior
- Any fire that has progressed beyond the incipient stage
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Guideline: Fire crews will not enter a structure with potential indicators of an IDLH atmosphere unless the "two in/two out" requirements are met.
- Minimum Four Personnel: Apparatus with a minimum of four personnel meet the "two in/two out" requirements and can initiate an interior attack without waiting for additional resources.
- Less Than Four Personnel: Apparatus with less than four personnel must wait for a second apparatus to arrive before initiating an interior attack.
- Minimum Four-Person Team: A minimum of four firefighters must be assembled before making an interior fire attack when the fire has progressed beyond the incipient stage.
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Interior Crew Requirements:
- Visual or Voice Contact: Firefighters entering the IDLH area must maintain visual or voice contact, not relying solely on radio communication.
- Dedicated Outside Crew: One outside crew member must constantly monitor the status of interior crew members.
- Second Outside Crew: The second outside crew member can assume other duties (e.g., pump operator, Incident Commander) if they can assist rescue efforts without jeopardizing the safety of other personnel.
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Outside Crew Responsibilities:
- Communication: Outside crew members must maintain radio communication with interior firefighters.
- Rescue Equipment: Outside teams must remain equipped with full personal protective equipment (PPE), self-contained breathing apparatus (SCBA), and retrieval equipment for immediate rescue operations if needed.
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Exceptions:
- Life in Jeopardy: When human life is in immediate danger, fire crews may enter the structure even without the minimum two outside personnel.
- Changing Conditions: If fire crews encounter a possible IDLH atmosphere after entering non-IDLH areas, they must verify that two standby personnel are available outside. If not, they must evacuate immediately.
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Description
This quiz covers the Two In/Two Out policy that guides firefighters when entering Immediately Dangerous to Life and Health (IDLH) atmospheres during fire attacks. It aligns with Texas regulations and emphasizes the responsibilities of all personnel in understanding the policy. Test your knowledge on critical safety guidelines and definitions related to this procedure.
