Elevator & Escalator Emergencies Flashcards
Is an electro-mechanical device used to prevent the elevator from moving when the car is at rest and no power is applied to the hoist motor
Brake
Stops a descending car or counterweight from moving beyond its normal limit
Buffer
A panel mounted inside the car containing the car operating controls
Car operation station
Balances an elevator car’s load
Compensation chain
A device or group of devices that control the direction, speed, and safety mechanisms on the elevator
Controller
Enclosed space outside the hoistway that is intended for full-body entry and contains the motor controller
Control room
Can be located inside or outside the hoistway
Control space
Set of weights roped directly to the elevator car in a winding drum installation
Counterweight
The counterweight equals approx ____% of the car’s weight
70
A motor-driven device mounted on the top of the car that opens and closes the car and hoistway doors
Door operator
Any type of mechanical lock designed to prevent a hoistway door from opening on the landing side
Door lock
The cylindrical keyhole on the hoistway door that elevator drop keys pass through to reach the hoistway door locking mechanism
Ecutcheon tube
Located in the elevator shaft to prevent the elevator from descending or ascending too low or too high in the shaft
Final limit switch
A small device typically located in the penthouse that applies a brake to the cable moving the electric car; it serves as a mechanical speed control mechanism
Governor
On top of an elevator car that when activated removes the car from normal service and allows the car to only be run from the car top station at inspection speed
Inspection station (inspection controls)
An electro-mechanical device on the hoistway door that locks the hoistway doors
Interlock
Refers to the area of the hoistway that extends from a point 18” below and 18” above the landing
Landing Zone
What are the four types of elevators
- Hydraulic
- Traction
- Climbing
- Pneumatic
What are the two types of elevators found in NOVA
Hydraulic & Traction
Hydraulic elevators have a max travel speed of ____ ft per minute
200
Hydraulic elevators are typically installed in low-rise buildings with ___-____ floors
2-8
The two types of commonly utilized driving machines in traction elevators are
Geared and gearless driving machines
Geared driving machines are used in what type of applications
low and midrise
Geared traction elevators have a maximum travel speed of ____ft per minute and can travel to approx ____ft
500, 250
Gearless driving machines are used in what type of application
high-rise
Gearless traction elevators have a maximum travel speed of _____ft per minute and can travel approx ____ft
2000, 2000
The room or space housing the driving machine, controller, and electrical disconnect for a single elevator or group of elevators
Machine room
It is common to find machine rooms for traction elevators where
On a building rooftop penthouse
Hydraulic elevator machine rooms are most often located where
Close to the associated elevator on the ground floor or in the basement
Type of elevator designed to move goods and materials throughout a building
Freight elevator
Hoistways are constructed of noncombustible material and should have a ___hr fire rating
2
No personnel should enter the pit unless what
Power to all elevators in the hoistway have been disconnected
When a portion of a hoistway passes a floor or landing without opening to it that is a
Blind shaft
Is an elevator operating mode that overrides normal service and automatically moves elevators to predetermined floors allowing any passengers to exit
Emergency recall service (ERS)
Building fire alarms automatically activate
Phase 1 ERS
Elevator cars return to the lobby level or a terminal floor when what is activated
Phase 1
During what Phase will elevator cars at any landing other than the lobby level immediately close their doors and return nonstop to the lobby
1
Emergency stop buttons are rendered inoperative during what phase
1
An elevator car’s interior ERS switch has three positions that are
Off
On
Hold
Older elevators may have a “bypass” position instead of what
Hold
If an elevator car’s fire helmet icon is flashing that means what
The car has received a smoke detector activation from the elevator machine room, hoistway or pit
To begin Phase 2 operations, personnel should turn the ERS switch to what position
On
Prior to utilizing the elevator for fires on upper floors crews MUST do what
engage all elevator functions
During poling operations a full-bodied harnesses and lifelines should be utilized when a fall hazard of ___ft or more exists
6
When an elevator platform is more than ___ ft above the landing, it is inadvisable to remove passengers from the car
3ft
Personnel must use the stairs to access the fire floor for any fire occurring up through what floor
6th floor
Where should personnel stop the elevator on a highrise fire
2 floors below the fire floor
The elevator rope (Cable) can fail at what temperature
800
Hoistway doors are typically fire-rated for how long
2hrs
