Chapter 5 And 6 Flashcards
What are the two major concerns and challenges when operating in large, horizontal, standpipe equipped, and large multi-story low and high-rise buildings.
Complicated logistical aspect and overwhelming exposure concerns
What are the four specific logistical options for operations in multistory and high-rise buildings?
Access from exterior via ladders
access from interior via elevators
access from interior via enclosed stairways
access from exterior roof area
What is the primary tool used to move people to the upper floors of a high-rise building?
Elevator
Who is accredited with making the first safe elevator and in what year?
Elisha Graves Otis in 1853
What are the two basic types of elevators?
Electric traction and hydraulic
Electric traction elevators are typically found in what type of buildings
Buildings over 6 floors
What are the three general areas of an electric Direction elevator?
The elevator machine room, the Hoist way, the elevator car
The main piece of equipment that moves the elevator up and down?
Hoisting machine
The _____is the actual brains behind the elevator operation
Controller
Converts the buildings alternating current to direct current in electric traction elevators
Motor generator
Elevator shafts or shaftways are also referred to as a _____.
Hoist way
Three types of hoist
Single hoist way, multiple hoist way, blind hoist way
A hoist way that is common and very large high-rise buildings, where there are Express elevators which travel from the main lobby at the ground level to an upper Lobby called a sky
Blind hoist ways
Hydraulic elevators are generally found in what buildings
Shorter buildings. Typically 2-4 stories
What is the primary disadvantage to the use of hydraulic elevators?
Limited overall height capacity
