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  • BSI
    BS 2655-4:1969 Specification for lifts, escalators, passenger conveyors and paternosters - General requirements for escalators and passenger conveyors
    Edition: 1969
    $313.97
    / user per year

Description of BS 2655-4:1969 1969

This part of the standard applies to the engineering and safety requirements for escalators and passenger conveyors.

The requirements for escalators are based on the steps being connected and driven by means of chains. Other types of construction may be adopted provided that the same standard of safety is achieved throughout.

The requirements for passenger conveyors are based on the use of two distinct types of treadway:

  1. Platforms interconnected by chains or other suitable means, and provided with grooves on the tread surface in the direction of travel (these conforming to the specified requirements for escalators).

  2. Continuous endless belts with longitudinal grooves formed on the tread surface.

Such aspects as limits of speed, width and angle of inclination are covered, together with methods of assessing contract loading. Also specified are requirements for guarding, handrails, steps or belts, driving machinery and safety devices.

Diagrams of a typical cross section and details of comb teeth and tread grooves are shown, containing limiting dimensions where applicable.

The subject of potential hazards to users is discussed in Appendix A .



Construction and safety. Limits of speed, width and angles of inclination, methods of assessing loading. Guarding, handrails, steps or belts, driving machinery, safety devices. Potential hazards to users. Please see full details given in AMD 4421.

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.

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