TB 140, elevator Operations Flashcards
elevator emerg. service increases the margin of safety for firefighting personnel and building occupants by?
taking elevators out of automatic operation and placing them under manual control
emerg. service in elevators is divided into how many phases?
2
to prevent the emerg. system from being inadvertently turned off when elevators are manually recalled during phase 1 operations?
key should be removed from the recall key switch
during normal day to day operations, the elevator emerg. operations switch located in the elevator lobby will be found in what posiiton?
off
manual or automatic recall of elevators to the lobby or designated recall level or a building, activation of an elevator vestibule smoke detector best desccribes?
phase 1, recall phase
the most effective means of transporting personnel and equip aloft in a hi rise is?
elevators
in order to place an elevator in operation on a temp basis when deemed safe for use, but elevator lobby smoke detectors are activated malfunctioning, firefighter personnel should?
place the fire recall switch to the bypass position
and override an elevator lobby smoke detector by placing the key switch in what position?
there is no means to bypass the alarm system
when an elevator is automatically recalled due to the activation of an elevator lobby smoke detector, the elevator lobby recall switch should?
always be switched to the ON position and the key removed
the fire service or phase 2 switch of the elevator emerg. service, located within an elevator car becomes operative when?
the lobby ‘emerg. switch’ switch is in the ON position
during elevator emerg. service ops, when the in car service key is turned to the off posiiton, the elevator car ?
returns to the lobby or recall location
during elevator emerg. service ops, in order to maintain the elevator car on the floor where the car is currently located as well as maintaining the elevators doors in the open position the operator shall?
maintain constant pressure on the DOOR OPEN button
position the in car service switch to the HOLD position
the use of elevators for ascent during investigations or ff operations shall only be used when the reported location of the emerg. or alarm is?
above the sixth floor
if elevators are used for ascent during investigations of ff operations, they shall not be taken closer than?
two floors below the reported fire floor
before using an elevator to ascend during an investigation or ff operation, the company officer shall ascertain that?
all elevators are accounted for and equipped with emerg. service