TECHNOLOGY ESCALATOR MODERNIZATION …

116 August 2000 Elevator WorldTECHNOLOGYB ackgroundTransit systems across the country have been usingescalators to move people between the street and trainplatforms for almost a century. In many ways, escalatorshave become a critical means of transportation withintransit systems. ESCALATOR codes have changed dramati-cally, as has the understanding of actual use and abuse towhich transit escalators are , the American Public Transit Association s(APTA) ESCALATOR Committee has developed a draft set ofguidelines for new ESCALATOR installations. While alreadyoutdated, important strides were made in differentiatingbetween department store commercial-type escalatorsand heavy-duty escalators . This article will contrast positiveand negative aspects of ESCALATOR replacement strategybased on using APTA guidelines for the new is the difference?

i. Skirt deflector device (skirt brushes); ii. Comb impact device; iii. Skirt switches; and iv. Handrail speed monitors. A very important issue to understand is that a modern

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  Escalators, Modernization, Escalator modernization

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