advanced firefighting strategychiefrdks-adv-ff-strategy.wikispaces.com/file/view/sizeup+and... ·...
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![Page 1: Advanced Firefighting Strategychiefrdks-adv-ff-strategy.wikispaces.com/file/view/Sizeup+and... · COAL WAS WEALTH • Construction • Occupancy • Apparatus • Life Hazard •](https://reader031.vdocument.in/reader031/viewer/2022022505/5abd751e7f8b9a3a428bc7a5/html5/thumbnails/1.jpg)
Firefighting Strategy
Size-up
Strategic Objectives
Chapter 2
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What is Size-up?
• Rapid mental evaluation
• Evaluation of problems and conditions that affect the outcome of the incident. (Norman)
• Three Phases:
– Pre-incident preplans, area surveys, QAPs
– On-scene Specific time and place info
– On-going changes due to activity or lack of
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Phases of Size-up
1. Pre-incident Information
• QAPs, Pre-plans, Area Familiarization
2. Initial Size-up
• On scene observations
3. On-going Size-up
• Changing conditions, additional information
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13 Points of Size-up
• COAL WAS WEALTH
• WALLACE WAS HOT
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13 points of Size-up
• C
• O
• A
• L
• W
• A
• S
• W
• E
• A
• L
• T
• H
•W
•A
•L
•L
•A
•C
•E
•W
•A
•S
•H
•O
•T
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COAL WAS WEALTH
• Construction
• Occupancy
• Apparatus
• Life Hazard
• Water Supply
• Aux Appliances
• Street Conditions
•Weather
•Exposures
•Area (Sq Ft)
•Location / Extent
of fire
•Time
•Height / HazMat
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WALLACE WAS HOT
• Weather
• Apparatus
• Life
• Location
• Area
• Construction
• Exposure
• Water
• Appliances
• Streets
• HazMat / Height
• Occupancy
• Time
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Construction
• Class 1 Fire Resistive
• Class 2 Noncombustible
• Class 3 Heavy Timber
• Class 4 Ordinary
• Class 5 Wood Frame
• Class 6 Light Weight Wood Frame
COAL WAS WEALTH
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Occupancy
• What goes on inside?
• Who / How many occupants?
• What is stored inside?
COAL WAS WEALTH
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Apparatus and Manpower
• What resources do I have?
• What resources will I need?
• What will the effect be on the
Firefighters?
COAL WAS WEALTH
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Life Hazard
1st Priority
• What are the threats to occupants
and firefighters?
• How do I reduce life threats?
– Heat / Smoke / Fire
COAL WAS WEALTH
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Water Supply
• Fire Flow Requirements
– Gross fire flow = (L x W) / 3
– Required fire flow
• Water sources
• Supply and Attack line selection
COAL WAS WEALTH
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Auxiliary Appliances
• Sprinkler systems
• Standpipe systems
• Fire pumps
• Other extinguishing / venting systems
• HVAC
COAL WAS WEALTH
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Street Conditions
• Traffic
• Construction
• Weight limitations
• Apparatus spotting / parking
COAL WAS WEALTH
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Weather
• Heat
• Cold
• Wind
• Humidity
• Rain / snow
COAL WAS WEALTH
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Exposures
• Unburned areas of occupancy
• Other structures
– Construction
– Occupancy
COAL WAS WEALTH
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Area
• NFA Fire Flow Formula
– Gross Fire Flow = (L x W)/3
• One floor
• GFF x % involvement = required flow
• +25% for each additional floor up to 5
• +25% for each exposure
COAL WAS WEALTH
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Area
• Line selection – (1) 1¾” @ 200 gpm = 600 sq ft (25’ x 25’)
– (1) 2½” @ 365 gpm = 1000 sq ft (30’ x 30’)
• Line length– Hose length = building L + W + one length for
each floor above the first.
– 1¾” @ 200 gpm has 40 lbs fl / 100’
– 2½” @ 350 gpm has 30 lbs fl / 100’
COAL WAS WEALTH
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Location and Extent
of the Fire
• You’ve got to know:
–where it is
–how big it is
• Always over-estimate
COAL WAS WEALTH
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Time
• Discovery time
• Notification time
• Processing & Dispatch time
• Turn-out & Response time
• Reflex time
COAL WAS WEALTH
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Height
• Ladder selection
– 24’ extension = 2nd floor window / roof ?
– 35’ extension = 3rd floor window/ roof ?
• Aerial placement
• Line length
• Collapse zone
COAL WAS WEALTH
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Haz Mat
• Hazardous Materials
• Hazardous processes
• Hazardous storage
• Hazardous conditions
COAL WAS WEALTH
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Outcome of Size-up
• The outcome of an effective size-up is a
clear understanding of the challenges and
problems presented by the incident.
• The IC must prioritize these problems,
develop solutions, and assign tactical
resources.
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Operational Mode
• Offensive
– Aggressive Interior Attack
– Benefits are greater than Risks
• Defensive
– Exterior Operations
– Risks outweigh Benefits
• Transitional
– Changing conditions
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IC’s Role / Mode
• Investigation Mode
• Command Mode
– Fixed Exterior position
– Management and Coordination of resources
• Combat Mode
– Interior Position
– Aggressive attack required
– Transfer of Command as soon as possible
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Strategy
Incident Priorities
Strategic Goals
Tactical Objectives
Tasks
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Incident Priorities
1. Life Safety
2. Incident Stabilization
3. Property and Environmental Conservation
• ALWAYS considered in this order
• Incident size-up factors will dictate the
order they are accomplished
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Strategic Goals
• R
• E
• C
• E
• O
• V
• S
• Firefighter Safety
• Rescue / Evacuation
• Exposures
• Confinement
• Extinguishment
• Overhaul
• Ventilation
• Salvage
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Firefighter Safety
• Risk / Benefit Assessment
– Any Benefit Gained must be worth
the Risk Taken.
– Tactical Operations selected must
minimize risk.
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Rescue / Evacuation
• Evacuation
• Primary and Secondary searches
• Extrication
• Protection
• Extinguishment
RECEOVS
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Exposures
• Internal exposures
– Unburned areas of fire building
• External exposures
– 0-30’ definitely
– 30 – 100’ maybe
– 100’+ probably not
RECEOVS
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Confinement &
Extinguishment
• Application of water via hose lines
• Confinement may be only option if
overpowered or understaffed
– (1) 3-4 man company can ‘attack’ with
approx 200 gpm flow.
– They can ‘defend’ with approx 365 gpm.
RECEOVS
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Confinement &
Extinguishment
• Confinement
– Accomplished by placing lines in strategic
positions to halt the advancement of the fire.
• Extinguishment
– Accomplished when the BTU absorption rate of
the total quantity of water being applied to the
fire exceeds the BTUs being generated by the
fire.
RECEOVS
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Overhaul
• Search for hidden fires
• ‘Hydraulic’ overhaul is NOT the answer
• Aggressive / systematic approach
• Objective is to lessen damage
– Fire Damage vs. Firefighter damage
RECEOVS
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Ventilation
• “Vent for Firefighting” or “Vent for Life”
• Take advantage of natural movement
• Timing is essential
• Positive Pressure Ventilation
• Read the signals
RECEOVS
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Salvage
• Removal of valuables and contents
• Not always the last priority
• “The thing Mrs. Smith will remember longest will be the compassion with which you treated her and her belongings, not your skill as firefighters.”
RECEOVS
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Initial Tactical Expectations
1. Establish a water supply
2. Get an attack line in-place to confine and
hopefully extinguish the fire
3. Conduct a ‘Primary Search’ of areas with
high occupant probability
4. Ventilate to improve tenablility
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Initial Tactical Expectations
1. Establish a water supply
• Sufficient to support initial suppression
activities for a minimum of 5 minutes.
• Booster tanks – 500 – 1000 gallons
• Supports 100 – 200 gpm fire flows for 5 minutes
• Additional or Back-up lines cut into booster tank
capability rapidly.
• Supply line provides insurance
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Initial Tactical Expectations
2. Get an attack line in-place to confine and
hopefully extinguish the fire
• Fire flow calculations, Manpower, Time,
Maneuverability, Water supply, SOPs
• 1½” hose > 95 – 125 gpm, with 2 ff’s
• 1¾” hose > 125 – 200 gpm, with 2 –3 ff’s
• 2½” hose > 200 – 300 gpm, with 3 – 4 ff’s
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Initial Tactical Expectations
3. Conduct a ‘Primary Search’ of areas with high occupant probability
– Paths of egress
– Sleeping areas
– Bathrooms
– Other areas inside structure
– Outside the structure
– Account for all occupants
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Initial Tactical Expectations
4. Ventilate to improve tentability
• Horizontally ‘Near’ fire area
• Vertically above the fire area
• PPV
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Command Modes
• Investigation Mode
– IC determines nature of incident, supervises crew, directs other resources, operates inside structure
• Fast Attack Mode
– IC issues initial assignments, then leads crew in suppression activities, operates inside structure, passes Command
• Command Mode
– Directs & requests additional incident resources, assigns crew members to another officer for supervision, operates outside the structure