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ARE - BS - Transport
ARE - BS - Transportation
Term | Definition |
---|---|
Hydraulic Elevator | Elevator lifted by a plunger or ram. Used for low-rise buildings that are less than 5 stories or 50' in height. These do not require a penthouse machine room and cost less |
Electric (Traction) Elevator | Lifted by cables. Used for applications that are greater than 5' stories or 5o' in height. |
Formula for calculating Elevator Speed | 1.6 x Building Height + 350 |
Gearless Traction Elevator | Lower speed electric elevator installation |
Geared | Higher speed electric elevator installation |
Freight Elevators | Transport materials and equipment only; not people. |
Main Break | Stops the car in the event of power failure |
Governor | Regulates the speed of the car |
Interlocks | Stop the elevator from operating unless the hoistway door is closed and locked |
Escalators | Used to move large amounts of people quickly, efficiently, and safely at a low cost of operation. Typical incline angle is 30 degrees. Not considered a legal exit and not considered an ADA route. |
Moving Sidewalk | Typically applied in situations like an airport |
Single Automatic Control | Single call button on each floor - passenger has exclusive use of the car until their trip is complete |
Selective Collective Operation | Most common type of control - Elevator remembers and responds to calls in opposite directions |