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BSI BS 2655-4:1969

Specification for lifts, escalators, passenger conveyors and paternosters -- General requirements for escalators and passenger conveyors
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BSI BS 2655-4:1969

Specification for lifts, escalators, passenger conveyors and paternosters -- General requirements for escalators and passenger conveyors

PUBLISH DATE 1969
PAGES 40
BSI BS 2655-4:1969

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.
SDO BSI: British Standards Institution
Document Number 2655-4
Publication Date July 31, 1969
Language en - English
Page Count 40
Revision Level
Supercedes
Committee MHE/4
Publish Date Document Id Type View
July 31, 1969 BS 2655-4:1969 Revision