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Protections (a handrail, a hand-rail) |
HandrailThe main task of a handrail is movement safety on a ladder. The standard protection consists of a hand-rail and vertical basic балясин. The space between them is filled according to interior requirements. It can be: parallel прокиды, vertical racks, glass screens or screens from the punched steel, a carved tree, and also manual ковка, or ковка from typical stamped elements. There are two ways of fastening of a protection to a ladder: directly on a step or to an end face of a step by means of special fastenings. The height of a handrail depends on appointment of a ladder and makes from 86 to 110 see Hand-railThe element established on a handrail, on a wall. The wall hand-rail is applied in cases when the ladder march from two parties is limited by walls and to establish racks it is not meaningful. БалясинаThe bottom and top basic racks перильного the protections having in a round form. Are made by a method точения or concreting and moulding in the form. The minimum parametres of ladders, their dimensions, configuration, material for different types of buildings, constructions, are regulated in standard documents. ( and for Russia, and for Ukraine).
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