Moving Walks And Ramps

Moving walks eliminate the need to walk long distances in a building, and are also used to speed up walkers. They eliminate congestion and force movement along

Down escalator is behind and parallel to up escalator.

Figure 48-5 Stacked parallel escalators.

a designated path. They consist of power-driven continuously moving surfaces similar to a conveyor belt. Moving walks can be used to transport large, bulky objects easily. They allow parking to be located away from airports and rail and ship transportation terminals. They are also useful for people with mobility problems. A moving walk must not incline more than five degrees from the horizontal.

A moving ramp is a moving walk that inclines between 5 and 15 degrees. Moving ramps offer a way for wheeled vehicles and large, heavy packages to move vertically and horizontally through a building. Moving ramps are an option for people who would have trouble using an escalator. Multilevel stores use moving ramps to transport shopping carts to rooftop parking lots. Transportation terminals use them to carry luggage carts that can't easily negotiate escalators.

Moving walks and ramps are limited to about 305 meters (1000 ft) in length. Their construction is similar to that of an escalator, but with a flattened pallet instead of a step. The depth of the supporting truss is 107 cm (3 ft, 6 in.), which would impinge on the ceiling of the floor below.

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