6 Size Up For Truck Operations Flashcards
If unfamiliar with type of construction in district firefighter should
Observing the types of construction and pre incident planning
Size up is simply
Process of making careful observations and drawing reasonable conclusions from them
Size up begins with
Pre plan
Size up process begins and continues through
Pre plan, dispatch, arrival, during operations
Size up considerations during pre plans
Building factors Size Construction Age, condition Access Water supply Capacity Occupancy info Life safety Hazards Resources
Size up for a structure fire typically begins when
Initial dispatch
Size up factors to consider when responding
Type of incident Location Time Work, sleep, school, weekend or day, holiday Weather
Size up factors that are the most important while responding
Time of day
Day of week
Season
Weather
At nightm, a house and business life hazard occupancy are
People sleeping or living in home
Business probably closed, no life hazard unless apt above
Time of day can effect response by
Changing response time based on pedestrian or vehicle traffic or construction.
Day of week affects size up because
Some places are only open on weekdays, evenings, or are busier on weekends, maybe closed Sunday
Seasons affects size up because
Seasons may have decorations, increased traffic, increased fire load or people other than usual at houses or locations
Size up factors on arrival
What happened? Fire, explosion, lightning
What is happening now? Read fire smoke and building
What is likely to happen? Fire behavior, building collapse
Are resources on scene and en route sufficient? Need more?
Following size up factors to consider during fire suppression
What effect have initial resources had on fire
Are more resources needed
Are different tactics needed
IC must consider these during initial size up
Is immediate intervention needed to save lives
What are the risks to firefighter and other responders.
Are resources immediately available or will their response be delayed
Niosh recommends size up to include the following
Fire size and location Length of time fire burning Conditions on arrival Size of building Age of building Presence of combustibles Occupancy Renovations or modifications Previous known fires Dead loads that may affect structural integrity Adjacent exposures Resources at scene or available