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  • July 29, 2020
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Article 12- Necessary information for ordering an Escalator

Before ordering an escalator, we should have some information about the installation environment and passenger traffic.


Installation Environment


Based on installation environment, escalators are divided into the following categories, each of which has its own set of options and specifications: • Indoor • Semi OutdoorFully Outdoor
Based on project requirements, the customer can select one of the aforementioned options.


Passenger Traffic


Based on passenger traffic, escalators are divided into the following categories: • Standard Type • Heavy-duty
Based on project requirements, the customer can select one of the aforementioned options.
For ordering an escalator, the customer needs to have the information below.


Available Elevation Height


The definition of elevation height is the difference between two building floors. The standard measures the height from the finished surface level of the lower floor to the finished surface level of the upper floor. So, please bear in mind, if you have measured the height before the completion of the flooring, then the flooring level should be the same amount on both floors.


Escalator Angle


Based on standards, Escalators are manufactured in 30-degree and 35-degree configurations. The 30-degree and 35-degree escalators can both be used for elevation heights of up to 6 meters. However, for elevation heights of more than 6 meters, only the 30-degree escalators can be selected.
Based on project requirements, the customer can select one of the aforementioned options.


Width Measurements in Escalators


The standard escalator step widths are divided into three categories: • 600 millimeters • 800 millimeters • 1000 millimeters
The total device width corresponding to each of step widths are as below: • 1260 millimeters • 1460 millimeters • 1660 millimeters
Based on project requirements, the customer can select one of the aforementioned options.


Horizontal Length


Based on elevation height, and after choosing the appropriate angle, following the formula for each angle, the horizontal length will be determined, which is equal to the horizontal spacing between two structural beams. The required length must be considered in the design phase of the project.


Ceiling Opening


In order to install an escalator, an opening must be considered on the upper floor with a suitable width and length. The opening width is equal to the total escalator(s) width and the opening length must be designed in a way that the vertical height between step tread surface and under the available ceiling is never less than 2.30 meters. This vertical height must exist to create a safe passenger headroom.
The required length must be considered in the design phase of the project.


Wellway Opening (Pit Opening)


In order to install an escalator, a pit with suitable width and length must be considered on the lower floor. The pit width is equal to the total escalator(s) width and the length must be designed in a way that the lower section of the truss can be located beneath the surface of the lower floor. As a result, the escalator floor plate will be at the same level as the lower floor finished surface.
The required length must be considered in the design phase of the project.
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