Safety Officer Flashcards
What size are members for heavy timber
Greater than 8 inches in dimension with resistance rating of 2 hours, very few or no concealed spaces
Who does the responder rehabilitation manager report to
Medical unit leader in the logistics section of the ICS structure
Fire personnel should assess incidents for what 4 things when establishing the ICS
Cause
Needs
Size
Complexity
Winds as slow as ____ can be deadly if personnel are not alert to the rapidly changing conditions
10mph
Light white smoke means
Pyrolisis is occurring, moisture and gases are being released from the product
All incidents should have a _______
IAP
What are 3 command staff positions
Safety Officer
Liaison Officer
Public Information Officer
Flashover typically occurs around ______ degrees
1100 degrees F
NFPA 1952 calls for water rescue personnel to wear at least
Type 5 vest with minimum 22 pounds of buoyancy
Document that may be used to track units and record field notes, evolves into written IAP if incident escalates in size or complexity
Tactical Worksheet
What is the last line of defense against injuries, fatalities, illnesses and exposures
ISO
Mid-neutral smoke plane means
Approaching flashover, not ventilated
Form of energy transferred from one body to another as a result of a temperature difference
Heat
Two forms of rehab:
Rest and medical
Smallpox and Ebola are
Viral biological agents
What gives smoke its white color
Moisture and heated gases
Type 3 construction
Ordinary construction
Priority number one
Safety
What are the two branches of logistics
Support and service
Natural gas is odorless gas that is ______ than air
Lighter
The darker and more turbulent the smoke is:
The closer you are to a rapid fire event
Rapid transition from the growth stage to the fully developed stage
Flashover
Type 5 construction is
Wood frame construction
Rapidly increasing volume, turbulence, darkening in color and lowering of the hot gas level for smoke means
Flashover soon
All other factors being qual, a fire in a large compartment will develop faster or slower than one in a small compartment
Slower
Gathering of information from all personnel that were involved to help process the scope of the incident, usually within a few days of the incident
Debriefing
Retro reflective trim must extend across how much of a vehicle
25 percent of the front, 50 percent of the sides and rear
Instantaneous explosion or rapid burning of superheated gases that occurs when oxygen is introduced into an oxygen depleted confined space during the decay stage
Backdraft
Sarin and VX are
Nerve agents
Ricin is
Toxin biological agent
What are the general staff positions for large incidents
Planning
Operations
Logistics
Finance/Administration
The goal of an operation is for
Incident stabilization
Stabilization of objects that are in danger of collapse
Shoring
Smoke that floats out of openings, rising slowly
Volume-pushed smoke
Anthrax, cholera, the plague are what
Bacteria Biological agents
Treat solar power systems and panels as ____ fires
Class C
Type 4 construction
Heavy timber
Rescues within a traffic scene should be within
The work safety zone
Primary considerations in developing the IAP are
Incident priorities
Risk/benefit analysis
What should be the first delegated position within the command and general staff positions
ISO
Informal discussion with responders conducted the same day as the critical incident and before members are relieved of duty
Defusing
What do businesses creat to identify their potential hazards and risks to employees and the public, and to identify the control measures implemented to mitigate them
Site safety plan
What is the most common method used for risk reduction
Adoption of effective control measures
Total amount of heat produced or released during convective lift phase of a fire
Heat Release Rate (HRR)
Development of an incipient fire is largely dependent on
The characteristics and configuration of the fuel involved
Phoenix and Seattle FD found that a RIC Rescue needs an average of how many FFers to retrieve a downed FF and how long
Average of 11 and up to 20 minutes
Wooden structural panel formed by gluing and compressing wood strands together under pressure
Oriented stand board (OSB)
Structural members created from several layers of plywood or oriented strand board
Laminate beams
Ceiling jet is a form of
Mushrooming
Room or compartment fires take two forms
Fuel-controlled
Ventilation Controlled
Forcible entry can be a form of
Ventilation
FF tactic to reduce available oxygen to a fire and create a controlled flow path in a structure for tactical ventilation
Door control
Movement of fresh air toward the base of a fire and the movement of smoke and heated gases out of a structure
Flow path
Ratio of the surface area of the fuel to the mass of the fuel
Surface-to-mass ratio
Retro reflective trim must be how minimum how wide
4 inches
Process of a solid beginning to emit gases due to heat exposure
Pyrolize
If an ops chief has more divisions/groups than what is considered reasonable, what may be organized with divisions/groups assigned to them
Branches
What is a condition, substance, activity, or device that can directly cause an injury, fatality, or property loss
Hazard
Operational risk management applies to both
Training evolutions and emergency incidents
Mustard agents are what
Blister agents
Incident management system is an overall strategy for achieving a coordinated outcome, ______ is the operational element that provides a framework
ICS
Estimated 60 percent of roof systems are constructed using
Lightweight wood truss construction
How far behind an apparatus should the lights illuminate
8-10 feet
Interface of the hot and cooler gas layers at the opening to a fire room (smoke layer)
Neutral plane
Propane is _____ than air
Heavier
Wind speeds greater than _____ will reduce aerial ladder load capacity
20 mph
Slope of an LZ should not exceed
5 percent
The simplest method of fuel removal is
Allow a fire to burn until all fuel is consumed
Who is responsible for ensuring the development of an operational risk management plan within the dept
Health and Safety Officer
What gives smoke the black color
Tar, soot and carbon
General rule for structure fires with regards to rehab
Rehab after 2x 30 minute bottles or one 60 minute bottle
Construction, renovation and demolition have what additional hazards
Fuel loads and ignition sources
Most fires that develop beyond the incipient stage become
Ventilation controlled
High noise levels can lead to
Tunnel hearing
What is leading cause of FF illness and death
Cardiac-related events at emergency incidents
Distance between traffic cones should be
Half the speed limit
Brown smoke is an indication of
Unfinished wood burning
Heat release is dependent on
Oxygen
Geiger counter is
Monitoring device for radiation
Control zones are
Hot= restricted Warm= limited access Cold= support
What is the most effective type of communication
Face-to-face
Ability to reasonably predict the future well in advance of the change
Forecasting
What is a good rule of thumb for helicopter landing zones
2 times the size of the rotor diameter
Max number of subordinates that one individual can effectively manage
Span of control (3-7 optimum 5)
Where should larger apparatus not being utilized at a traffic scene should be placed where
Transition zone area where motorists enter a safety zone
Optically dense, light colored or black becoming dense gray-yellow, neutral plane rising and lowering similar to a pulsing or breathing movement
Backdraft smoke
Exclusion zone
Separate area within the hot zone where personnel are not allowed under any circumstance
Basic operating system for all incidents within a jurisdiction
Incident Command System
How far apart are modern trusses generally
24 inches apart
Organizational level with responsibility for ops within a defined geographical area
Division
Little to no visible flame but high heat with smoke-stained windows
Backdraft flame
Type 1 construction is
Fire resistant, components resistant 3-4 hours
Which FEMA category of complexity is usually managed with one or 2 resources
Type 5
Buildings built after 1990 burn hotter, faster and produce more smoke with flammable properties than
Traditional or legacy construction
What is a district survey
A dynamic evaluation conducted of a geographically assigned area to identify hazards
The speed of smoke is dictated by
The heat
Cribbing is usually what size
4x4 or larger
Organizational subunit responsible for a number of individual units that are assigned to perform a particular specified function
Group
What is one of the most fundamental characteristics influencing fire development in a compartment fire
Surface-to-mass ratio
Hydrogen cyanide and arsine are what
Blood agents
ISO must be aware of
Unity of command
Incident hazards should be assessed from what perspectives
Operational and environmental
Creating a base to stabilize an object
Cribbing
What are the four phases of fire
Incipient
Growth
Fully Developed
Decay
When water is converted to steam at 212 degrees it expands
1700 times
Preincident planning in coordination with _______ ________ ______ can help to reduce the potential damage to the surround area
Facility’s response plan
In an intersection or middle of the street how many sides of the incident may need to be protected with apparatus blocking
2 or more sides
What is one of the best ways to forecast hazards and risks
A site visit
What provides the opportunity to identify hazards, distractions, and risks that are typical or predictable in a normal daily operational setting
The preincident or pre-emergency planning process
Fire will have a tendency to grow in the direction of
Ventilation openings
Sites that contain life safety concerns for firefighters as well as occupants, hazardous processes or storage that may be a high frequency or severity of fires
Target hazard
In 10 minutes a master stream delivering 250 gems can add approximately how much weight to structural components
10 tons
Flashover usually occurs during which stage
Growth stage
How many blasts before backing the apparatus
2 short blasts
Operational zone established on or near a roadway to reroute traffic and protect the scene
Traffic control zone
Which FEMA incident category of complexity is the most complex that requires a written IAP and has 500 people
Type 1
Type 2 construction is
Noncombustible or limited combustible, materials will not contribute to fire development or spread
Low-neutral smoke plane means
Possible backdraft conditions
Minimum LZ foot area
100 x 100
Isolated flames are
Rollover before flashover
High neutral smoke plane means
Early stages of development
What should be a part of the organizations member physical fitness and wellness program
Stress management plan
