Elevators Flashcards
2.4 Fire Department elevator operations are divided into two categories;
INCIDENTS and EMERGENCIES
Describe Each ?
2.4.1 INCIDENT:
A stuck elevator with trapped passengers not in immediate danger and no
evidence of injury.
2.4.2 EMERGENCY:
A situation where one or more of the following exist:
A. Fire endangering passengers in a stuck elevator.
B. Passenger of stuck elevator injured.
C. Passenger of stuck elevator in panic
Methods of communicating with passengers at a stuck elevator. What are they ?
A. Elevator car telephone.
B. Elevator car intercom.
C. Call or yell up hoistway, or speak through car and hoistway doors.
Sec 3.2.2
3.2.3 Methods of passenger removal at a stuck elevator. What are they ?
A. Primary Removal Procedures, section 3.3.
B. Secondary Removal Procedures, section 3.6.
C. Emergency Removal Procedures, section 3.7.
During Primary removal procedures of a stuck elevator, is power shut off ?
NO!!
Primary removal procedures are simple approaches performed without turning off the
elevator power.
Sec 3.3
There are two types of primary removal procedures. The order in which they are tried is
not important. What are they ?
Checking Electrical Contacts and
placing elevator into Fireman Service
Sec 3.3.1-2
The second type of primary removal procedure is activating Firemen Service if
available. Will this over ride the Emergency Stop Button ?
YES of course!!
Firemen Service will over ride the Emergency Stop Button.
Sec 3.3.2
The first type of primary removal procedures checks whether simple electrical
contacts might have been broken
What must first be done in order to accomplish this ? How are these electrical contacts checked ?
The passengers must be
instructed to deactivate the Emergency Stop Button otherwise these methods will not work
A. Have a passenger press Door Open Button.
B. Press lobby call button.
C. Instruct passengers to insure the car door is fully closed.
D. Have members physically close all hoistway doors on the shaft. Air
movement in shaft may have opened an interlock cutting power to the car.
Check the hoistway doors in the vicinity of the stuck car first.
Sec 3.3.1
During primary removal procedures of a stuck elevator when shall fireman service be deactivated ?
B. Firemen Service should be deactivated when the car responds by returning
to the lobby or if it’s clear that the car isn’t responding.
Sec 3.3.2
If Primary Removal Procedures Fail at a stuck elevator who must be called and where can this number be found ?
3.4 Summon an elevator mechanic if Primary Removal Procedures fail.
3.4.1 Telephone number of the mechanic is REQUIRED to be posted in the machinery
room near the elevator power switch.
3.4.2 Consider the possibility of an elevator mechanic on duty in a nearby building.
3.4.3 Secondary Removal Procedures may be initiated prior to the arrival of the
mechanic
3.5.1 Power Removal
Whenever Secondary or Emergency Removal Procedures are used, power
removal is essential. Dispatch two members to the elevator machinery room to
shut off the power to the stalled car. The machinery room may be located where ?
top of the shaft, at the bottom of the shaft or TWO levels above the highest floor serviced by the elevator. Sec 3.5.1
When passengers are removed from a stuck elevator Never remove them to the lower landing. True or False
FALSE!!
When passengers are removed from a car between floors they should be
taken up and out of the car if practical. This eliminates the possibility of a
passenger falling down the shaft after exiting the elevator. If they are
removed to the lower landing, the shaft opening must be protected.
Sec 3.5.2
When operating in an elevator shaft members must be what ?
C. Members operating in the shaft are to be secured by a life saving rope.
Sec 3.5.2 C
Members are Never permitted to enter the shaft below the elevator car
Agree or Disagree
DISAGREE!!
Members shall NOT NORMALLY be permitted to enter the shaft below the
elevator car. During a rescue necessitating members entering the shaft
below the car, the power switch must be turned of
Sec 3.5.2 D
In Newer elevator installations if the condition of the elevator brake is
doubtful additional protection can be provided by placing a heavy timber,
iron bar or tool between the spokes of the hoisting drum after power is
removed. Agree or Disagree
DISAGREE!! OLDER installations In most NEWER installations this procedure can be dangerous and impractical Sec 3.5.2 G
If conditions indicate that the elevator is unstable, additional precautions
must be taken to prevent the movement of the car in either direction.
Consider securing the car to structural members of the building using what ?
utility ropes, chains or shoring
Sec 3.5.2 H