Flashcards in T.B. - Elevators Deck (61):
What is an elevator EMERGENCY?
a) FIRE endangering passengers in a stuck elevator
b) Passenger of a stuck elevator INJURED
c) Passenger of stuck elevator in PANIC
What are the MOST frequent cause of elevator malfunction?
How can you locate the elevator car?
a) Lobby control panel
b) Intercom or telephone system of the stuck car.
c) Open the hoist way door at the first floor with elevator key and look up shaft.
Where are the governor ropes located?
They are generally located on EITHER SIDE near one of the far corners of the shaft.
What will indicate the EXACT location of the elevator car?
The floor selector in the machinery room.
What are the two types of PRIMARY REMOVAL procedures?
1) Check whether simple electrical contacts have been broken
*If passengers have activated the Emergency Stop Button, these methods WILL NOT work*
2) Fireman Service - If available.
*F.S. will override the Emergency Stop Button*
When should Firemen Service be DEACTIVATED?
When the car responds by returning to the lobby or if it's clear the car isn't responding.
The books state to summon an elevator mechanic if PRIMARY removal procedures fail. Where is the telephone number required to be posted?
In the machinery room near the elevator power switch.
*Consider the possibility of an elevator mechanic on duty in a nearby building.*
*Are OFTEN posted in the vicinity of the elevator lobby.*
When is power removal ESSENTIAL?
Whenever Secondary or Emergency Removal Procedures are used.
Where may the elevator machinery room be located?
1) At the TOP of the shaft
2) At the BOTTOM of the shaft
3) Two levels ABOVE the highest floor serviced by the elevator.
What equipment should members be equipped with when assigned to the elevator machinery room?
A H/T and forcible entry tools.
How are elevator power switch boxes and motors required to be labeled?
They are required to be labeled in a manner which relates MOTOR to SWITCH.
If any DOUBT exists as to which elevator power switch to deactivate, what would be the correct action to be taken?
If any doubt exists, OPEN as many elevator power switches as required to insure a safe operation.
Will we restore power to a stalled elevator car upon completion of the operation?
NO. DO NOT restore power to the stalled car.
A ventilation opening is also known as the?
The smoke hole.
IF PRACTICAL, how should passengers be removed from a car between floors ?
When passengers are removed from a car between floors, they should be taken UP and OUT of the car IF PRACTICAL.
*If they are removed to the lower landing, the shaft opening MUST be protected.*
Are members NORMALLY permitted to enter the shaft BELOW the elevator car?
Are we permitted to jack up or move an elevator in an upward direction?
The elevator shall NEVER be jacked up or moved in an upward direction.
When dealing with elevators. when would it be permitted to provide additional protection such as placing heavy timber, an iron bar or tool between the spokes of the hoisting drum?
In OLDER elevator installations, if the condition of the elevator brake is DOUBTFUL, AFTER power is removed.
*In most NEWER installations, this can be dangerous and impractical.*
SLIDING hoistway type doors?
LIFT the locking arm.
HINGE type hoistway doors?
DEPRESS or LIFT the roller.
Buildings OVER 10 stories (11, 12, 13, etc.) commonly have this type of system?
A TWO speed system.
What would be the ONLY circumstance in which power to a stalled elevator may be restored?
During SECONDARY removal procedures, members in the elevator machinery room will be directed to shut power to the stuck car and TURN it on again.
*If the car is to restart, it will do so within 10 SECONDS.*
How many FF's are permitted on the roof of an elevator during a top hatch removal?
A MAXIMUM of TWO FF's.
Who determines the order of removal of passengers from a stuck elevator whether a SIDE exit or TOP HATCH removal?
The member in the elevator car MUST determine the order of removal.
*One member equipped with a H/T enters the car.*
*Secure each passenger with a LSR and assist them to the rescue car.*
When is SIDE EXIT removal useful?
Under conditions of PARTIAL power loss in MULTI-CAR hoist ways.
*NOT useful where structural beams blocks a side exit or rescue car can't be brought level with the stuck car.*
What are the size of the planks to be used as a bridge between elevator cars for use in an emergency side door exit removal?
Planks of sufficient lengths (6' or longer).
*Must be within 3' of the ADJACENT car side door.*
When should forcible entry of hoist way and elevator car doors be attempted?
It should ONLY be attempted under the DIRECT ADVISEMENT of an elevator mechanic OR as a LAST RESORT during EMERGENCY REMOVAL procedures.
Who is responsible to SECURE the hoist way door upon completion of F/E operations?
Who is responsible to WARN people of the danger upon completion of F/E operations?
Police or security.
What is the PREFERRED forcible entry method to be used on slide type elevator doors?
The Maxi-Force Air Bag System.
*Place bag b/t the leading edge of the door and jamb AS HIGH AS POSSIBLE.*
Describe an elevator JUMP PIT.
1) USUALLY 4'-6' from the LOWEST landing level to base of pit.
2) Elevator descends to WITHIN a couple of feet of the bottom of the shaft,
3) Pit is entered by opening the LOWEST hoist way door and using a P/L.
Describe an elevator WALK IN PIT.
1) USUALLY 6'-10' from the LOWEST landing to base of pit.
2) A high buffer and LOWER LIMIT switch prevent the car from entering the pit,
3) Access to the pit is via a door located at the BOTTOM of the shaft,
4) Door IS NOT required to have an INTERLOCK switch
5) Door is OPENABLE by a regular key.
When is Firemen service (elevator) required?
a) In ALL ELEVATORS that serve 3 OR MORE landings OR travel 25' OR MORE (filed after 1/1/80),
b) In ALL BUILDINGS classified in occy. GROUP "E" (L.L.#5)
c) In buildings classified in occy. GROUP "E" , deemed existing building under L.L.#5, if the bldg. is 100' OR MORE in height.
Describe Fireman Service Lobby Switch Plates (Fig.#2A).
Normal - * OFF
Fireman Service - ** ON
Door Open - *** DO
Three position key
Where is a lobby keyed switch located?
At the street floor or terminal floor for EACH BANK of elevators.
*The LOWEST landing ABOVE the street floor AKA Sky Lobby.
Where is the key switch required to be?
Within 4' of the lobby call button.
Describe Fireman Service Lobby Switch Plates (Fig.#2B)
Door Open BUTTON (Round)
*Button in ONLY operable when key switch is in the F.S. position.*
Two Position key
When is the 1620 removed from the keyed switch?
The Normal and F.S. position in the keyed switch PERMIT the removal of the key.
*The key is NOT removable in the Door Open position.*
Describe the Elevator Car Keyed Switch.
a) Inside each F.S. elevator car
b) RED lettering "FOR FIRE DEPARTMENT USE ONLY"
c) Two positions - Normal and F.S.
*After 3/1991, three position switch - NORMAL, HOLD, F.S.*
What does the HOLD position on the elevator keyed switch permit a FF to do?
a) Permits the FF to remove the 1620 key from the switch
b) Allows the FF to leave the car w/o the danger of an individual, w/o a key, moving the car to another location.
How is AUTOMATIC recall activated?
1) The activation of an elevator LANDING SMOKE DETECTOR
2) Water flow from a sprinkler system.
How is MANUAL recall activated?
By use of the 1620 key at the elevator lobby (street or terminal).
Will "EMERGENCY STOP" buttons be rendered inoperative during PHASE 1 recall?
YES. It is rendered INOPERATIVE during Phase 1 operations.
*It SHOULD BE operational during PHASE 2 operations*
Describe PHASE 2 - Operational phase
The actual operation of the elevator car by use of the controls located within the car.
What type of button is the DOOR OPEN button?
A CONSTANT pressure button.
*Must be held until the doors are fully opened.*
What type of button is the DOOR CLOSE button?
A MOMENTARY touch type button.
When will members avoid the use of elevators and utilize the stairs?
A confirmed fire on the 7th floor or BELOW (7th, 6th, 5th, etc.).
Do not use an elevator in a bank which services the fire floor if a lower bank of elevators reaches within ____ floors of the fire floor?
Select a floor AT LEAST ____floors BELOW the fire floor or ____floors below the lower level of an access stair in the fire area, whichever is lowest?
Two and two.
Who will declare a service elevator safe to use?
The Officer in Command (OIC) of the fire.
How shall the SCBA facepiece be maintained by a member who is utilizing the elevator?
It shall be maintained in the STANDBY position.
*ALL members shall have DONNED their masks.
How many members are permitted in ANY elevator car?
Not more than SIX (6).
*Each members weighs over 275 pounds* (MD's).
A PRECAUTIONARY STOP is described as?
The stopping of the elevator EVERY FIVE (5) floors to confirm that the elevator will respond to the selected floor.
When will a FF direct a flashlight up b/t the elevator car and the hoistway shaft to determine if there is any accumulation of smoke in the elevator shaft?
Before leaving the lobby and at EACH PRECAUTIONARY STOP.
When will the relationship of the elevator to the stairway be inspected?
This is done at the FIRST and LAST PRECAUTIONARY STOP.
*"YOU ARE HERE" required to be posted at each floor near the call button.
A ____ degree fog pattern should be used to cool and protect trapped persons during the resuce.
30 degree for pattern.
Is it permissible for members to take a F.S. elevator WHICH SERVICES ALL FLOORS to go above the fire?
Who investigates elevator accidents?
The Building Department.
Car safety devices will apply with ______ motion of the car and may be released by ______ or ______ motion of the car?