Rescue Operations Bulletins Flashcards
(112 cards)
Shaft door
Outer elevator door
Car door
Inner elevator door
Key-way
Keyhole located in upper corner of a shaft door. Provides a means of releasing a latch and opening door manually
Torso Reflex
Gasp reflex which causes aspiration and laryngospasm
Whales
Braces placed horizontally against sheeting to transmit load from sheeting to shores
Uprights
Planks between sheeting and shores. Adds strength to shoring systems
Braking system on steel cable elevator
Electric magnet holds brakes open. When electricity is cut off, brake shoes are held closed by spring pressure
quick facts mammalian diving reflex
Heart rate drops 50%
Blood flow decreases to the extremities
Blood shunts to torso to prevent lung collapse
Extend survival time in cold water
Continue in rescue mode for at least an hour
Braking system on hydraulic elevator
When electricity is cut off, operating solenoids cause oil to be locked in the system
Downstream spotter
Rescue/safety
Report downstream hazards
In a water rescue, the throw bag is effective up to _______ feet
60
Tension cracks
Cracks in ground adjacent to trench
Indicate warning of secondary collapse
High angle rescue
Load predominantly supported by rope
Above or below grade
Low angle rescue
Load predominantly supported by rescuers.
Rope required as fall protection
Time delay detonation of explosives
Mechanical triggering device using a time piece to initiate explosion at a specific time
Remote controlled detonation of explosives
Detonated via radio frequency
Upstream spotter
Persons positioned to spot floating debris and warn downstream units
Cold water immersion
Water temp below 70 deg
Continue in rescue mode for at least one hour
Strainer
Allows water to flow but not solid objects
Hydraulic
Water flows over an object and then recirculates
2 types of elevators
Steel wire cables
Hydraulic
Confined space
Big enough that a person can enter and perform work
Limited or restricted means for entry and exit
Not designed for continuous occupancy
Rope load
Everything hanging on the rope system at the opposite end of the anchor
V-type collapse
Floor/roof collapses near the center. Causes two void spaces on outer walls