Elevator And Escalator Emergencies, Third Edition, September 2022

Question 1

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.

Answer 1

Brake

Glossary Page iv

Question 2

This stops a descending car or counterweight from moving beyond its normal limits by storing or absorbing and dissipating the car or counterweight’s kinetic energy.

Answer 2

Buffer

Glossary Page iv

Question 3

This is a panel mounted inside the car containing the car operating controls.

Answer 3

Car operation station

Glossary Page v

Question 4

This chain balances an elevator car’s load.

Answer 4

Compensation chain

Glossary Page v

Question 5

This is a device or group of devices that control the direction, speed, and safety mechanisms on the elevator.

Answer 5

Controller

Glossary Page v

Question 6

This is an enclosed space outside the hoistway that is intended for full-body entry and contains the motor controller.

Answer 6

Control room

Glossary Page v

Question 7

This can be located inside or outside the hoistway. It contains the motor controller and is intended to be entered with our without full-body entry.

Answer 7

Control Space

Glossary Page v

Question 8

This is a set of weights roped directly to the elevator car in a winding drum installation. In practice, this weight equals approximately ______ % of the car’s weight.

What is this designed to do?

Answer 8

Counterweight

70 %

It is designed to reduce the work required by the electric motor to move the elevator car

Glossary Page vi

Question 9

This is a motor-driven device mounted on top of the car that opens and closes the car and hoistway doors.

Answer 9

Door operator

Glossary Page vi

Question 10

This is the cylindrical keyhole on the hoistway door that elevator drop keys pass through to reach the hoistway door locking mechanism.

These are also commonly referred to as _______.

Answer 10

Escutcheon tube

AKA Elevator door key holes

Glossary Page vii

Question 11

This is a piece of steel mounted on the car cab door that runs between the hoistway door’s two rollers as the elevator goes up and down the hoistway.

Answer 11

Elevator door vane

Glossary Page vii

Question 12

When the elevator stops at a floor and the car door opens, the ________ pushes against one of the rollers, opening the hoistway door lock and moving the hoistway door together with the car door.

Answer 12

Elevator door vane

Glossary Page vii

Question 13

When Manually operated, it removes electric power from an electric elevator’s driving machine motor and brake or from a hydraulic elevator’s valves or pump motor.

Where is this located?

Answer 13

Emergency stop switch

Located in the elevator car

Glossary Page vii

Question 14

This switch is located in the elevator shaft. It prevents the elevator from descending or ascending too low or too high in the shaft.

What happens when this switch is tripped by the elevator?

Answer 14

Final limit switch

It cuts power to the elevator

Glossary Page vii

Question 15

These involve steel T-section with machined guiding surfaces installed vertically in a hoistway to direct the course traveled by an elevator car and elevator counterweights.

Answer 15

Guide rails

Glossary Page viii

Question 16

This is a small device typically located in the penthouse that applies a brake to the cable moving the elevator car; it serves as a mechanical speed control mechanism.

Answer 16

Governor

Glossary Page viii

Question 17

This is a wire rope attached to an elevator car frame that drives the governor and, when stopped by the governor, initiates setting the car safety.

Answer 17

Governor rope

Glossary Page viii

Question 18

This is a control panel 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.

Answer 18

Inspection station (or inspection controls)

Glossary Page viii

Question 19

This is an electro-mechanical device on the hoistway door that locks the hoistway doors.

What two things does this prevent?

Answer 19

Interlock

The interlock prevents the elevator car from moving until the hoistway door is locked.

It also prevents the hoistway door from opening on the landing side unless the car is stopped or being stopped within the landing zone.

Glossary Page ix

Question 20

This term refers to the area of the hoistway that extends from a point 18 in. below and 18 in. above the landing

Answer 20

Landing zone

Glossary Page ix

Question 21

This is an electrical disconnect usually found inside the machine room near the entrance door. Pulling the side lever down removes all operating power from the elevator.

Answer 21

Mainline disconnect

Glossary Page x

Question 22

This converts a building’s alternating current to the direct current used by electric traction elevators.

Answer 22

Motor Generator

Glossary page x

Question 23

This valve restricts and ceases oil flow from the hydraulic jack through the piping when such flow exceeds a preset value.

Where is this installed?

Answer 23

Overspeed valve

The overspeed valve is installed in the pressure piping of a hydraulic elevator between the hydraulic machine and the hydraulic jack.

Glossary page x

Question 24

This is designed to interpret input conditions in a prescribed manner after specified conditions are met.

Answer 24

Relay

Glossary page x

Question 25

Elevator ropes are typically _____ inches in diameter. Each rope can support the weight of the elevator car plus _______ %

Answer 25

5/8 inches 10% Glossary page x

Question 26

This starts, stops, opens, and closes elevator doors at designated hoistways.

Answer 26

Selector Glossary page x

Question 27

This is a wheel mounted in bearings that has one or more grooves over which a rope or ropes may pass.

Answer 27

Sheave Glossary page x

Question 28

This is an electric machine through which the friction between the hoist ropes and the machine sheave is used to move the elevator car.

Answer 28

Traction Machine Glossary Page x

Question 29

This is used for power transmission to the elevator car and communication between the controller and the elevator car.

Answer 29

Traveling cable Glossary Page x

Question 30

Hydraulic elevators have a max travel speed of how many feet per minute?

Answer 30

200 feet per minute Page 1

Question 31

Hydraulic elevators are typically installed in buildings with how many floors?

Answer 31

2 to 8 floors Page 1

Question 32

What happens when phase one Emergency Recall Service (ERS) is activated?

Answer 32

When phase 1 is activated, elevator cars return to the lobby level or a terminal floor. If the alarm is activated from one of these locations, the car will go to a predetermined alternate landing with a means of egress. Elevator cars traveling away from the lobby level when phase 1 is activated will reverse direction at the next landing without opening the doors. Page 14

Question 33

How is phase one of Emergency Recall Service (ERS) activated?

Answer 33

Building fire alarms automatically activate phase 1 ERS, or personnel can manually activate it using elevator keys to manipulate controls at the lobby landing. Page 14

Question 34

How phase two of Emergency Recall Service (ERS) activated?

Answer 34

To begin Phase 2 operation, personnel should turn the ERS switch to the "on" position. Page 15

Question 35

Personnel can instruct passengers to perform what self-rescue techniques as a first step?

Answer 35

1. Engaging and disengaging the emergency call button several times. 2. Engaging the door-open button and floor button while personnel at the closest floor landing press and hold the hallway call button. 3. Pushing the interior doors closed to ensure they are in the fully closed position 4. Shaking the interior door. Page 22

Question 36

If self-rescue techniques fail to return the elevator to service or facilitate passengers exiting the car, what is the next step? How does one achieve this step?

Answer 36

Personnel should attempt to move the elevator while the power remains on. Methods for moving the elevator include the following: 1. Pressing the lobby call button 2. Activated ERS (Phase 1) in the lobby or fire control room. 3. Shaking hoistway doors on the floors the last occupant entered and those closest to where the car is currently located 4. Checking all hoistway doors to ensure they are closed. If none of these steps work determine if the elevator car is in motion. If so, do not shut off the power and wait for an elevator car technician. Page 22

Question 37

When the officer has confirmed the car is motionless, has exhausted all previously described attempts to remove the occupants with the power on, and has determined a rescue should be performed, they must adhere to what sequence of actions to ensure the occupants' safe removal?

Answer 37

1. Attempt to perform a hard reset of the system. This involves removing power via the mainline disconnect and waiting 30 to 60 seconds and then turning power back on to the system. This might reset the system. The system should still remain locked and tagged out. 2. Shut down and secure power to the stalled elevator. 3. Access the hoistway 4. Access the stalled car 5. Assist occupants out of the stalled car 6. Secure the scene to prevent further use of the problematic elevator. Pages 22 and 23

Question 38

What are the steps to lowering a hydraulic elevator car?

Answer 38

1. Confirm mainline disconnect Lock Out Tag Out (LOTO) procedures have been completed. 2. Open hoistway doors at the landing below the stalled elevator. 3. Inform passengers that the car will begin to descend. 4. Slowly manipulate the manual lowering valve in the machine room. 5. Actively communicate the descending car's progress from the landing. 6. Request the lowering valve be closed before the car becomes even with the landing. Page 33

Question 39

For passenger removal, If a stalled elevator car platform is positioned within 3 feet above or below the landing level, what actions should personnel take?

Answer 39

1. Confirm mainline disconnect Lock Out Tag Out (LOTO) procedures have been completed. 2. Block any hoistway opening beneath the car with a ladder or similar object if a gap exist. 3. Open the car door. 4. Enter the car and engage the emergency stop switch (if equipped) 5. Assist passengers out of the car. Page 33

Question 40

For passenger removal, if a stalle3d elevator platform is found to be more than 3 feet above or below the landing level and the vertical space between the car and the hoistway allows for passenger removal, what actions should personnel take?

Answer 40

1. Confirm mainline disconnect Lock Out Tag Out (LOTO) procedures have been completed. 2. Block open hoistway space beneath the car with a ladder or similar object. 3. Open the car door 4. Extend a ladder with nonskid feet from the landing into the car. 5. Enter the car and engage the emergency stop switch (if equipped) 6. Assist passengers out of the car. Pages 33 and 34

Question 41

For fire operations, Personnel must use the stairs to access the fire floor for any fire occurring up through which floor?

Answer 41

Up to the sixth floor Page 38

Question 42

Prior to using an elevator during fire operations, what 7 things must personnel ensure?

Answer 42

1. All recalled elevators are clear of passengers 2. The hoistway is clear of fire, smoke, and water 3. All personnel riding in the elevator are equipped with self-contained breathing apparatus 4. A minimum of one crew member is equipped with a radio 5. A set of forcible entry tools is available for use 6. Phase 2 ERS (Emergency Recall Service) is activated 7. The elevator is not overloaded Pages 38 and 39