TROT Tech Flashcards by Adam Ellis

Swift water

What is the hand signal for tighten

Spin 1 finger vertically up

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Structural

How much is a 4x4 box crib rated at for each contact point

6000 pounds

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Tools

10 bar is equal to _______ PSI

145 PSI

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Rope

What percentage is lost when carabiners are twisted or cross loaded

50 %

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Con space

What is the primary hazard when associating with con space

Oxygen deficiency

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Trench

If a trench is 6’ - 9’ wide and less than 10’ deep what size lumber should be used

4 x 6

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Trench

At what psi will get a shore thrust of 892 PSI

200 PSI

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Petrogen

When should the 3 fuel knobs be checked

1) initial assembly
2) during routine maintenance
3) if any leaking is observed

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Swift water

What is river left

Left side of the river when looking downstream

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Vortex

Where should you run your belay line at

At or near the floor/ ground level

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Structural

1 ton = how many pounds

2000 pounds

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Structural

What building marking signifies a high risk building

Square with an X in the middle

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Structural

What is the shoring sequence for steel frame construction

2 undamaged floors can support 1 damaged floor

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Swift water

In the counter-panic victim recognition stage, what are the victims expected mental capacity

“Blank stare”

Inability to follow commands and assist rescuers

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Con space

When does the low air alarm go off on the air cart

500 PSI

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Trench

If a cutback is necessary, how do we do a cutback

2ft to 1 ft ratio starting after the first 2 ft

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Structural

How much is each contact point rated at for 6x6 cribbing

15,000 pounds

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Structural

What are the 3 classes of levers and give examples

Class 1 - teeter totter

Class 2 - wheel barrow

Class 3 - broom

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Rope

Safety checks should be checked how many times by how many different people

3 times by 2 different people

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Vortex

How many guy lines and at what angle are needed for a gin pole used as an anchor

4 guy lines

90 degrees

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Swift water

What does an upstream “v” indicate

Object in the water

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Swift water

In the normal victim recognition stage, what is the victims expected mental capacity

Victim able to follow commands and assist in own rescue

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Structural

What is the building marking for a low risk building

An empty square

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Petrogen

How long should the fingers be on the torch flame

3/16 of an inch

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Rope What type of rope do we use for throw bags

Polypropylene

Rope How many feet of rope are in the climbing above an anchor rope

165 feet

Structural What should taker backing be made of and what size for badly cracked masonry or concrete walls

48” x 48” x 3/4 inch plywood

Structural For solid sole raker, a mid point is needed when insertion point is over_______

8 feet | or post length is more than 11 feet

Trench Which degree raker is most efficient

30 degree

Structural A basket hitch is how much stronger than a single straight leg sling

2 hundred percent or 2x

Structural What is the shoring symbol for a window or door shore

W or D

Swift water What does 4 whistle blasts mean

Help / trouble

Rope What type of carabiner is preferred on webbing

Opposite and opposed | non locking

Structural When is hearing protection required

Above 90 DB

Swift water Minimum PPE for tech level rescuer

1) type V w/ quick release strap 2) water rescue helmet 3) appropriate footwear and gloves 4) whistle 5) knife 6) throw bag 7) light source 8) low light marking device

Con space definition of IDLH

Any condition that posses an immediate or delayed threat to life or interfere with an individuals ability to escape unaided

Structural What is the max lift of the hydro fusion

26”

Swift water What is the definition of hydraulic affect

The movement of water caused by pressure

Con space A permit required confined space will have 1 or more of what conditions

1) potential to contain a hazardous atmosphere 2) contains material that has the potential to engulf or entrap 3) contains inwardly converging walls or floors to a smaller cross section 4) contains any other recognized serious safety or health hazard

Con space Pre entry briefings should include what info

1) inform teams of roles / tasks 2) emergency procedures w/ in space 3) should get site briefing (maps) 4) made aware of time limit 5) made aware of hazards

Trench Underground utility markings marked with orange are what

Communications

Swift water What is gastrointestinal illnesses from

Ingestion of contaminates water

Structural What is the building marking for a medium risk building

A square with a single slash through it

Trench Shores are rated up to what depth

20 feet deep

Rope For the vortex, what is the maximum amount of outer legs you can use on any one leg of the system

No more than 3

Swift water What does 3 whistle blasts mean

Downstream

Con space Light comms, what does 4 flashes mean

Help

Swift water Minimum PPE requirements for a victim

1) type III or V PFD | 2) appropriate helmet with light or glow stick

Con space What are the 5 most common gasses found in confined spaces

1) methane 2) carbon monoxide 3) carbon dioxide 4) hydrogen sulfide 5) sulfur dioxide

Swift water What is the NFPA standard for throw bags.... How many throws in how many seconds

2 throws in 40 seconds

Rope How many pounds is a G rating

600 pounds

Swift water Downstream “V” is what

Water being pushed throw a narrowing gap, causes the level to rise up forming a “chute or tongue” (Where a rescue should swim or bring a boat through)

Swift water Types of intestinal bacteria are

1) E. coli 2) salmonella 3) shigella 4) hep A 5) typhoid 6) tetanus

Con space Rope comms - what does 1 tug mean

Swift water What causes leptospirosis

Contaminated water from animal urine

Structural How much does structural steel weigh

490 PCF

Tools Volts X amps =

Watts

Structural What is the shoring symbol for a tee spot shore

Swift water What is laminar flow

Water flows in layers with the bottom layers typically moving faster

Trench How many ladders should be placed every 25 feet

1 osha | 2 ffx county

Rope When should a brake bar or figure 8 be replaced

When 15 % of the material is missing or worn away

Trench A pt buried under 2 ft of soil will have how many pounds of pressure on their chest and back

700-1000 pounds

Structural What is brittle behavior of materials

The material will break with out warning

Con space What is the range for oxygen concentrations

19.5 % - 23.5 %

Structural Where is quadrant E in a building or structure

In the middle of the building

Trench Side wall shear is what

When an entire portion of the wall falls into the trench

Con space Airborne dust particles constitute a confined space as IDLH when

Visibility is less than 5 feet

Swift water What does the upstream spotter do

Looks for any incoming hazards

Structural What is the symbol for a confirmed live victim

V with a circle around it

Structural What is the building marking if a search is incomplete

Single slash with a filled in circle in the middle

Swift water Definition for down stream

Direction water is flowing

Structural What is the shoring symbol for a double T

Structural What size should all building markings be

2’ x 2’

Trench What is type B soil

Crushed rock Compressive strength of .5 - 1.5

Trench Underground utility markings marked with white are what

Proposed excavation

Petrogen How long does it take to purge the fuel line

Up to 2 min per 25 feet

Trench What is the optimal size of a safety zone in a trench

12 feet

Structural What is the max lift stacked high pressure bags can get

40”

Rope What is the load on a change of direction from 0-30 degrees

2x or 200 %

Swift water What is hypothermia

Lowering of the body’s core temperature below 95 degrees

Swift water What is NFPA 1006

Tech rescue qualifications

Petrogen What is the standard starting pressure for fuel

20 PSI | No less than 10

Petrogen Which line should you always pressurize first

Oxygen line

Swift water What does 2 whistle blasts mean

Upstream

Petrogen Where should you face when pressurizing the oxygen system

Away from the gauges

Trench What is the minimum amount of shores required

Rope What are the 4 key knots for rescue

1) water knot 2) round turn with 2 half hitches 3) Prussia hitch 4) figure 8 on a bight

Con space Spaces less than _____ require the use of a SAR SCBA

24”

Swift water How many pounds of buoyancy is required for a type 5 flotation device

22 pounds

Rope What is the safety ratio for rope

10:1

Con space What is the maximum length of air hose we can use with the SAR SCBA

300 feet

Rope What is the maximum allowable angle for a pendulum

120 degrees

Petrogen What condition do we keep the petrogen in

Ready condition 2 | tanks full but not pressurized

Rope Wrap 3 pull 2 is an anchor rated at _____ pounds

7899 pounds

Rope How long should each leg be kept to on a load distributing anchor

Less than 1 foot

Rope What are the 5 positions on a petzl ID

1) store 2) lock off 3) belay 4) descent 5) panic

Trench How much does the vac truck hold

10 yards

Trench A trench box may not be more than _____ narrower than the trench

18 “

Structural When 2 forces are being applied through an object at 180 degrees to each other is called what

Tension

Petrogen How deep will the 83 tip cut

2 “ - 4 “

Con space How long will the SAR SCBA last ( escape bottle)

15 minutes

Swift water What is the hand signal for victim recovered

Two closed fists across your chest forming an X

Swift water What is a low head damn

Forms a perpendicular line of looking downstream | after going over dam the rescuer / victim will continuously be recycled through the hydraulic

Trench If the trench is less than 6 ‘ wide and less than 10 ‘ deep what size wood can be used

4 X 4

Swift water How should you mark a victim location

1) cones 2) floating buoy marker 3) anything easily seen

Con space _____ percentage of all confined space deaths are would be rescuers

60 %

Con space What grade air should we use for breathing

Grade D

Hearing protection should reduce the noise by at-least how much

20 DB

Trench What is the cone effect

The 3D cone exerted by the shore | Extends out again about a 45 degree angle

Petrogen How many plunges should it take to charge the 2.5 gal container to 20 PSI

80 - 100 plunges

Structural What is the normal range for oxygen

19.5 - 23.5

Structural What is the shoring symbol for a vertical shore

V - 2, V - 3 etc

Structural When two forces are applied directly towards each other (offset) through an object is what

Shear forces

Swift water What does 1 whistle blast mean

Stop look at me

Rope What is the strongest shape of carabiner

D shape

Vortex How much can the 3/8 “ pin hold

18,000 pounds

Rope How much can 1 “ tubular webbing hold

4000-4500 pounds

Roadway manual How long does it take for the eye to recover sight from light to dark

6 seconds

Swift water What is the safest swimming position

Defensive - on back, feet up

Rope What is the efficiency of a water knot

64 %

Rope 1 “ flat webbing is rated at what

6000 pounds

Swift water Which search pattern is best used to locate small objects or search limited visibility areas

Spiral search

Structural What odor does H2S have

Rotten eggs

Trench Where should you position TROT units on-scene

No closer than 50 Ft

Swift water When does recovery mode start

When we go to boat based operations only

Tools 1 bar = ______ PSI

14.5 PSI

Structural What is the building marking once the search is complete

Rope What is the load on a change of direction from 90-120

100 %

Trench Underground utility markings marked with hot pink are

Temporary survey marking

Swift water In the panic victim recognition stage, what is the victims expected mental capacity

Can follow simple commands and can assist in rescue with specific instructions

Swift water What is ferry

Process by which a boat moves across the river w/ out moving downstream

Swift water What is ferry angle

Using the force of the water to assist movement | 45 degree angle

Rope A minimum sheave diameter of what minimizes rope wear

8 X

Rope When and where should fall protection be placed when climbing above an anchor

Every 5 ft for the first 30 ft In 10 ft increments after 30 ft and any change of direction

Structural Tendency of a steel, pin like connector to break across its cross section is what

Bolt shear

Petrogen How should we run the torch

Rich

Swift water In the IDR stage how long does a victim have of survival time

Less than 60 seconds

Con space Light comms - what does 2 flashes mean

Advance line

Swift water Why does the glow stick color green mean

Starboard side

Petrogen Can we use compressed glasses with the petrogen fuel tanks

Swift water What are the 4 stages of victim recognition

1) normal 2) panic 3) counter- panic 4) IDR

Trench What is a fissure

A crack along the trench lip

Structural What is the horn blast for evacuate

3 short blasts

Structural L/D or ht / width must be ____ or less for shoring

Con space Rope comms - what does 2 tugs mean

Advance line

Swift water What is a standing wave

Waves that form at the base of a downstream “V” due to channeling

Trench What is type c soil

Sand Compressive strength of .5 or less

Trench What is type a soil

Clay Compressive strength of 1.5 or greater

Structural Hydro fusion can lift up to ____ tons with a 2:1 safety factor

10 tons

Structural When two forces are being applied directly towards each other is called what

Compression

Petrogen What kind of threads does the oxygen line have

Standard right hand thread

Swift water What color helmet marks victims

Red

Vortex How many outer legs can be put together

No more than 3

Vortex How much can the 1/2 “ pin hold

32,000 pounds

Con space What are the 3 ways a space can become oxygen deficient

1) absorption 2) consumption 3) displacement

Trench How many GPMs are the portable electric sump pump rated at

90 GPMs

Structural What type of sloped floor shore is “floating”

Type 3 Square cut on bottom 30” cleat on header

Petrogen Which gauge is high pressure and which one is low pressure

High pressure goes to the tank Low pressure goes to the torch

Rope 3 components that make up a knot are what

1) bight 2) loop 3) round turn

Structural What are the 5 collapse patterns

1) A 2) V 3) lean to 4) pancake 5) cantilever

Structural What are 2 types of racking

1) offset | 2) split level

Rope What are the critical anchor angles and load percentages

0 degrees - .5 x load 90 degrees - .7 x load 120 degrees - 1x load

Structural What size are pickets

1 “ x 4 ‘ cold rolled steel

Structural What does the acronym LCES stand for

1) Look outs 2) Communication 3) Escape routes 4) Safety zones

Swift water What is and who should be in the warm zone

1) operations level and below | 2) within 10ft of the water line

Trench How much does 1 cubic foot of soil weigh

100 - 130 pounds

Structural What is the shoring sequence for wood frame construction

1 undamaged floor can support 1 damaged floor

Structural What is the max slope of a slopes floor shore

45 degrees

What type of rope do we use for life line rope and label the 2 parts

Kernmantle rope Kern - core Mantle - outside sheath

Structural When building shores on soil, backing is made up of

1) 3 - 2 x 6 x 18” lumber | 2) 2 - 3/4” X 18” X 18” plywood

Trench Underground utility markings marked with blue are

Potable water

Swift water What does the glow stick color yellow mean

Rescuer

Petrogen What 2 tip sizes do we use

1) 81 | 2) 83

Swift water What is the order type of rescues

1) reach 2) throw 3) row 4) go 6) help

Structural What is the horn blast for resume operations

1 long and 1 short blast

Swift water What causes infectious hepatitis or aseptic meningitis

Viruses in sewage

Structural What materials are structure or hazard placards made of

1) 8 1/2 X 11” white paper 2) 8 1/2 X 11” light cardboard ( cut in half to get two placards )

Structural What is the shoring symbol for a raker shore

A triangle with an R in the middle

How long does it take for the eye to recover sight from dark to light

3 seconds

Con space A mechanical device shall be available to retrieve personnel from a vertical area of more than _____

5 feet

Rope Safeties are tied on which 2 knots

1) bowline | 2) square knots

Rope A high line must have a minimum of how many anchors on each side

Rope What does 2 whistle blast mean

Swift water What is the dispatch for an ice rescue

1) 2 boats 2) 2 engines 3) 1 rescue 4) 1 truck 5) 1 BC 6) 1 Safety officer 7) 2 ems units 8) dive team

Structural What is the initial entry marking for a building

Single slash

Trench What is angle of repose

Maximum angle that soil will lie without sliding

Swift water What is a down stream safety

Personnel or crew assigned to operate downstream of rescuers and victims to immediately remove / provide egress out of IDLH area

Trench How much does 1 cubic yard of soil weigh

2,700 pounds

Swift water Are fire apparatus allowed to be driven through the hot zone or through flooded waterways

Trench How far out should you eliminate vibrations

500 feet

Swift water What does the glow stick color blue mean

Victims

Trench Underground utility markings marked with yellow are

Gas, oil, steam

Con space 4 ways a chemical hazard can enter the body

1) injection 2) ingestion 3) inhalation 4) absorption

Structural What is the shoring symbol for a horizontal shore

H-2 | H-3

Rope A tensionless tree wrap must be a min of _____ wraps and have what

1) 3 wraps | 2) drip loop

Structural How much does masonry weigh

125 PCF

Rope What are the 3 safety checks that need to be performed

1) visual 2) physical 3) load

Trench At what depth is a hole considered a trench

4ft

Trench If a trench is more than 6’ wide and 10 - 12’ deep what size lumber should be used

6 X 6

Petrogen What shade goggles/ eye pro should be worn

Shade 5

Petrogen How long do you purge the torch for

3 - 5 seconds

Structural What is ductile behavior of materials

The ability of a material to stretch and or bend without suddenly breaking

Petrogen What is the lighting sequence for the torch

1) 1/2 turn oxygen 2) purge 3) 1/2 turn fuel 4) light

Rope Pt packaging devices are good for how long

10 years

Structural What is the symbol for a dead victim removed

A V with a line and an X with a circle around it

Rope What is NFPA 1670

Training

Petrogen How many plunges should it take for the 2 quart tank to pressurize

15-25 plunges

Structural When should shores be inspected

1) every 12 hours | 2) any known load changes

Rope How far should pickets be spaced

4 ft

Rope At what weight will Prussics slip

700 pounds

Rope When should a kernmantle rope be placed out of service

1) 3 damaged mantle threads are broken in one place | 2) any part of the core is showing

Structural How is cribbing interconnected

3/8” X 16” X 1.5 times the height of the crib On all four sides with 8d nails 3” on center

Structural What is the shoring symbol for cribbing

Pound sign with a C in the middle

Vortex How many guy lines and at what angle are needed for a gin pole (non - anchor)

3 guy lines at 120 degrees

Trench The Stanley pump system is rated at what

800 GPM

Con space Light comms - what does 1 flash mean

Trench How much does 1 cubic yard of soil weigh

2,700 pounds

Swift water Why min equipment should the downstream safety have

1) appropriate PPE 2) throw bag 3) radio

Structural What is the ideal angle for a paratech strut used as an A frame

45 - 55 degrees

Trench How far is the safety zone extend past the fin form

1 foot

Structural Double T shore - at what height do you need a mid point brace

Over 6 feet tall

Trench Where should you approach a trench

From the end no closer then 4 foot

Petrogen When cutting overhead or in excess of 30 feet you may need to compensate by doing what

Increasing the fuel tank pressure

Trench You should not lower a trench box over what

The victim

Trench At what PSI will get you a shore thrust of 491 pounds

100 PSI

Vortex True or false The feet of the vortex have to be tied down or hobbled in all configurations

True

Swift water What color helmet signifies a SW Technician

Yellow

Structural What is the symbol for a live victim removed

A V with an X and a circle around it

Rope What is the load on a change of direction from 30 - 90 degrees

150 % of the load

Swift water When the speed of the water is doubled the force on any object is what

Quadrupled

Swift water How long is a throw bag

75 feet

Trench A spoil pile must be set back a minimum of ____ and be no taller than _____

1) 2 feet | 2) 4 feet

Rope What is the maximum rope life

10 years

Rope What is the max tension ratio that should be out on a high line

18:1

Structural How much water do you need to drink to stay hydrated for 15 - 20 min of work

4 - 8 oz of water

Structural How much does reinforced concrete weigh

150 PCF

Swift water Active search and rescue operations should continue for victims submerged up to how long

60 min

Swift water What is a drowning hole

If looked at from upstream it’s points will be pointing towards you

Swift water What is aggregate temp

Ambient temp + water temp If it’s 140 or leas then they chance for hypothermia is greatly increased

Trench In what order are shores typically set

Top, middle, bottom

Con space Rope comms - what does 3 tugs mean

Take up slack

Con space What is the preferred way to ventilate flammable or toxic atmospheres

Exhaust ventilation

Structural What are they hydro fusions ideal angles for lifting

60 - 80 degrees

Trench How high of the ground should an electric fan be placed and why

1) 8 - 12 inches off the ground | 2) prevent from drawing in debris

Petrogen What 3 degrees or available for the torch head

1) 75 2) 90 3) 180

Swift water Current flow is what

The flow of water typically in a straight line | doesn’t necessarily have to follow the shore line

Trench True or false It is okay to walk on a spoil pile

False

Con space What constitutes a confined space

1) Space large enough for someone to enter and perform work 2) has limited or restricted means of entry / exit 3) not designed for human occupancy

Swift water In the IDR victim recognition stage, what are the victims expected mental capacity

Victim is face down in the water but able to get ahead above water for a breath

Swift water What is and who should be in the cold zone

1) any untrained personnel | 2) greater than 10 feet from the water line

Rope What is the weakest shape of carabiner

Oval

Rope What is the strength requirement of a carabiner

5,000 pounds

Rope What is the requirement for a technical use pulley

5,000 pounds

Tools Current = ______ divided by ______

1) volts | 2) resistance

Structural In the victim marking V ➡️, what does the arrow indicate

Victim location / victim direction

Trench Underground utility markings marked with green are what

Sewage

Swift water What is the definition of helical flow

As water passes along the sides of the shore it creates a circular swirl ( reason why any person within 10ft of the water needs a PFD)

Con space Rope comms- what does 4 tugs mean

Help

Swift water How many personnel could be required to make a single person rescue

Swift water Any single long whistle blast means what

Stop look at the person

Trench What will decrease a trench’s safety by 50 %

Water

Swift water What is the definition of foot entrapment

When a persons extremity becomes entrapped while operating in moving water

Structural How far should you drive pickets and at what angle

1) 2/3 of the length of the picket | 2) 15 degree angle

Rope What efficiency is the bowling

58 - 71 percent

Trench What material is a trench panel made of

Arctic white birch

Structural What is the shoring sequence for reinforced concrete construction

3 undamaged floors can support 1 damaged floor

Trench Underground utility markings, what does purple markings mean

Reclaimed water

Trench What is the size and weight of trench box panels

1) 4’ X 7’ | 2) 80 pounds

Trench When a slough in occurs, if the void that is left is greater than ________ it must be filled in

18 “

Power tools AC power can do what that DC power can’t

Switch polarity

Rope What percentage of body weight should you use for a load check

80 %

Structural How much does a single rescuer weigh

10 - 15 PSF

Structural What are the 3 types of ways we can use slings and what are their strengths

1) straight - 100 % 2) basket - 200 % 3) choker - 3/4 strength

Rope A 4 line high line is designed to move how

From high to low, or low to high | No vertical capabilities

Rope What is the difference between a 4 line and 5 line high line

A 5 line high line ya vertical capabilities

Rope What is the difference of a 6 line high line from a 4 or 5 line

Ability to launch and recover from both sides

Rope How many pounds is equal to 1 KN

220 pounds

Structural What is the multiplier for a 45 degree raker

Structural What is the multiplier for a 60 degree raker

Con space What are the 3 common atmospheric hazards

1) Deviations in ambient oxygen level make 2) presence of combustible gasses, vapors, or dust 3) presence of toxic gasses

Trench What conditions will contribute to a slough in

1) soil make up 2) water 3) vibrations 4) multiple trenches

Con space What info should be turned over to the next team upon exiting the space

1) location of patients / status 2) specific hazards 3) if primary task was completed 4) update of map / blueprints

Swift water What are the 3 phases of response

1) flood watch 2) flood warning 3) action phase

Swift water What does the glow stick color red mean

Port

Structural When is co an IDLH environment

1,200 PPM

Trench What is the standard starting pressure for paratech struts

100 PSI

Rope How many pounds is an L rating

300 pounds

Trench What are the safety zones for a trench

1) hot - 0 - 50 feet 2) warm - 50 - 150 feet 3) cold - 150 + feet

Rope What is NFPA 1006

Qualifications

Swift water Why are the two types of environmental hazards

1) hypothermia | 2) hyperthermia

Trench Shores shall be placed no more than how far apart

4 feet

Swift water What is the hand signal for ok

Closed fist tapped on top of your head

Swift water What is the hand signal for slack

Spin 1 finger vertically down

Rope What is the requirement for a general use pulley

8,100 pounds

Tool Force = ______ + _______

1) speed + 2) pressure

Tools Hydraulic fluid temperature should be within what temperature range

60 - 140 degrees

Swift water What should you try to maintain with a victim

Visual and verbal contact

Trench How far above the trench lip should the ladder extend

3 feet

Structural What is the horn blast for stop work

1 long blast | 3 second duration

Structural For a 3 - 5 post vertical, when is a mid point brace needed

8 feet post height and greater

Trench Underground utility markings marked in red are what

Electricity

Structural Which type of sloped floor shore is “hinged”

Type 2 Square side on top 30” clear on sole

Trench If a trench is greater than 12’ deep, what size lumber should be used

8 X 8

Petrogen What size hose connection do we use for oxygen

9 / 16 hose connection

Swift water Direction from which water is flowing is

Upstream

Petrogen Where should you fill the fuel tank to

Top weld line

Swift water What is a strainer

Object or structure that allows water to travel but not a rescuer or victim

Swift water What is an eddy fence

Line of swirls cause by the reversal of water in the eddy and the downstream flow

Con space What are the 6 steps to lock out / tag out

1) prep for shutdown 2) shutdown 3) isolation 4) application of lockout / tag out 5) control stored energy 6) verification

Rope What are the 3 different types of locks on carabiners

1) key lock 2) pin and notch 3) claw

Trench What other things can cause trench emergencies

1) machine accident 2) pipe, box, or other equipment trap 3) water 4) medical emergency 5) bad air

Petrogen Where should the fuel tank be placed and why

On the floor to prevent static discharge

Swift water What types of water incidents could we respond to

1) flat water 2) swift water 3) flood water 4) ice

Swift water What is minimum staffing for a boat

1 operator and 2 swift water techs

Trench What are 2 types of slough ins

1) rotational slide | 2) bell pier

Swift water Definition of confluence wave

Formed when 2 seperate flows meet

Petrogen How deep will the 81 tip cut

1/4” - 1”

Petrogen How and how long do you warm the tip of the torch

For 5 - 10 seconds at a 45 degree angle

Structural How much does concrete rubble weigh

10 PSF per inch of thickness

Swift water What is the glow stick color white mean

Stern

Swift water What is the dispatch for a water rescue

1) 2 boats 2) 1 rescue 3) 1 truck 4) 2 engines 5) 1 BC 6) 1 safety officer 7) 2 ems units

Vortex What is the inside height clearance of a tripod without additional legs

9 ft

Vortex What is the inside height clearance of a tripod with additional legs

12 ft

Trench How far should shores be placed from the lip and from the bottom

2 feet

Structural What is the collapse zone

The immediate area that could be affected by further collapse, falling debris, or other hazard situations

Trench What is a slough in

When a portion of the trench wall (usually in the middle) gives way and leaves behind a void

Swift water Boat deployments are considered to be ______ to _______ risk

Medium to high risk

Rope How do we calculate force on an anchor due to elevation

Distance of elevation X load in pounds = torque

Con space What are the 3 ways duct ventilation will / could cause problems

1) short circuit 2) chimney effect 3) recirculating

Con space What are the 2 types of ventilation

Natural and mechanical

Swift water What is river right

Right side of the river when looking downstream

Swift water What is an eddy

Reversal of water from downstream to upstream (after an object)

Structural What is the symbol for a confirmed dead victim

V with a line and a circle around it

Swift water What is and who should be in the hot zone

Technician level personnel only and in or above the water

Rope What does 1 whistle blast mean

Stop

Rope What does 3 whistle blasts mean

Down

Rope What does 4 whistle blast mean

Rope free

Rope What does continuous whistle blasts mean

Help

Structural What is the shoring symbol for a laced post

LP inside of a square

Structural What is the length of 2 X wedges

12”

Structural What is the length of 4 X wedges

18”

Structural What is the max height for a T spot shore

11 ft

Swift water Water pushes against a typical car with about _____ pounds of force and displaces about ______ pounds

1) 500 pounds | 2) 1500 pounds

Swift water At what speed is water considered “swift water”

1 knot or 1.15 mph

Trench What is side A of the trench

Working side

Rope Is a munter hitch a 2 person load

No | And not suitable for a belay

Trench What is side B of the trench

Non working side

Swift water How much water will float a vehicle

12”

Swift water How much water will carry a vehicle away

24”

Con space 1 % of volume is equal to how many PPM

10,000 PPM

Structural What is the cutting depth of the 14” ring saw

10.6 “

Structural Where should the load be placed on a crib tower

Center 1/3 of the crib tower

Con space Entry teams and back up teams should acquire what tools to fix / repair air systems

1) air fittings 2) air hose 3) Teflon tape 4) duct tape 5) tool box

Rope What is NFPA 1983

Life safety rope

Structural When 2 slabs of concrete are connected by a column and the tendency of the slab is to drop as a unit around the column is what

Punching shear

Swift water What are the 3 search patterns

1) sweep 2) double back 3) spiral

Swift water What are the conditions for a sub surface search

1) with or without PFD 2) must have a spotter 3) no more than 10 min duration 4) no longer than 60 seconds 5) no greater depth of 10ft

Swift water What PPE is required for all flood waters

Dry suit

Swift water What is the hand signal for stop

Two raised fists above head

Swift water What is a pillow

When water meets a solid object and raises above the water line

Con space What are the 2 types of mechanical ventilation

Supply and exhaust

Petrogen How are the fuel connections labeled

1) reverse threaded | 2) with a notch on the hose connector

Trench What % survival do patients who are completely buried have to live

Less than 1 %

Structural When combined compression, tension, and shear forces act on an object is known as what

Bending forces

Vortex What are the 3 main configurations

1) tripod 2) bi-pod or A frame 3) monopod or gin pole

Swift water What is NFPA 1670

Training

Swift water What is in a water rescue task force

1) 2 boats 2) rescue with atleast 2 swift water technicians 3) 1 BC 4) 1 EMS unit

Trench What classification does fairfax county assume all soils to be

Class C

Structural What is the shoring sequence for pre-cast concrete construction

All the way to the floor / ground

Vortex Resultant force should always be pointed where

In the middle of the legs / down the legs

Swift water What is a smiling hole

Points of the outside point away from you if looking downstream

Rope What is NFPA 1500

Health and safety

Swift water Definition of a “boil line”

Marks the area where the current splits direction of flow Aerated part is flowing upstream, darker water is flowing downstream Typically after a low head damn

Vortex Where should you have a travel / fall restraint

When working within 6 ft of the edge

Swift water When is a swift water event considered IDLH

When you enter the water or above the water or in a boat

Swift water What are the 3 types of emergencies

1) victim trapped in flood waters 2) victim fallen through ice or in the water 3) victim stranded

Structural Max height for a Double T

12 feet

Con space What are the 4 basic categories of hazards

1) atmospheric 2) physical / mechanical 3) environmental 4) psychological

Con space Hazardous atmosphere for flammables is what

Gas, vapor, or mist in excess of 10% of its LFL

Structural When building a 3 post pneumatic column, if you need a column cap / backing what is it made of

4 layers of | 3/4” plywood by 32” square

Structural When building a pneumatic strut column, how big is the column head

16” square

Structural What is the limit on psi for pneumatic shoring

No more than 50 PSI

Structural What is the max height for a 6X6 crib tower

6 ft

Structural What is the max height for a 4X4 box crib tower

4 ft

Structural If 4X4 material is NOT available, what material is acceptable for vertical shores

3- 2X4s Joints should be staggered 2 ft from each other

Structural What is the design load for a 4X4 post at 12 feet

3,500 pounds

Structural What is the design load for a 4x4 post at 10 ft

5,000 pounds

Structural What is the design load for a 4x4 post at 8 ft

8,000 pounds

Structural Can a piece of lumber be used instead of a half gusset on a spot T shore

Yes 2x4x18”

Structural What is the length of an 8d nail

2.5”

Structural What is the length of a 16d nail

3.25”

Trench Where should the first monitor reading be taken at

Closest to the victim

Trench What type of ground pad should be used in between a spoil pile and the trench lip or if a normal ground pad is to large to fit between the trench lip and another object

2x12” boards

Rope Flying W is what type of system

3:1 pulling on a 2:1

Rope How does a piggy back system operate

1 built system ( pre built set of 4s) pulling on a simple system

Rope How does a complex system operate

System pulls on itself and the load

Rope How does a compound system operate

A system pulling on a simple system

Rope How does a simple rope system operate

A system pulling on the load directly

Rope What are your ideal anchor angles

30 - 90 degrees

Rope How many wraps should Prussic hitch have if supporting personnel

3 wraps

Rope How many wraps should a prussic hitch have for a non life supporting load

2 wraps

Rope Depending on entry and exit angle of the main line, the force on the legs can be multiplied to _______ the weight of the load

2 X

Rope A fall factor of 2 is when the anchor is where

Same level as legs or ground level

Rope A fall factor of 1 is when the anchor is where

Waist level

Rope A fall factor of 0 is when the anchor is where

At or above chest level

Structural What is the design load for a raker Both 4X4 and 6X6

1) 4x4 - 2500 lbs | 2) 6x6 - 3600 lbs

Structural What is the design load of a 6x6 window or door shore

6000 pounds

Structural What is the design load of a 4x4 window or door shore

2000 pounds

Structural What is the max height of a 4x4 and a 6x6 plywood lace post

17 feet

Structural If the posts are not straight for a vertical shore, where should the bow be faced

To the outside

Structural What is the design strength of a 4x raker system

5000 pounds

Structural What is the design strength of 4x4 laced post

32000 pounds

Structural What is the design strength of a 6x6, 12’ long

20,000 pounds

Structural What is the range of weight for concrete floors

80 - 150 psf

Structural What is the weight range of steel floors

50 - 70 psf

Structural What is the weight range for wood floors

10 - 25 psf

Rope / vortex What is the horizontal clearance of the tripod configuration

8’ 9”

Structural 1 kip is equal to how many pounds

1000 pounds

Structural How many mid point braces are needed for a double raker with an insertion point over 16’

Structural How many anchor bolts does a double raker have

45 degrees - 3 60 degrees - 5

Structural How many anchor bolts does a raker shore have

45 degrees - 2 60 degrees - 3

Structural What is the maximum insertion point for a double raker

4x4 - 16 feet 6x6 - 24 feet

Con space What is bridging

When grain or other loose material cling to the sides of a container being emptied from below, leaving a hollow space underneath the “bridged” material

Structural What is the design load for a 6x6 window or door shore header

6000 pounds

TROT Tech Flashcards

(424 cards)