Basic safety requirements for stair railings
Beyond the aesthetic appearance of the railings staircase and provide a decorative value essential to environment in that place, they have a functional aspect as a safety and protection.
In this regard, handrails ladder must meet certain requirements that standards and prevention measures to be truly efficient fit: as containment barrier against possible falls, and as a support for people who go up or down the steps of same.
Therefore, they must meet a series of security measures noted below.
Minimum height. It is probably the most essential element. All experts say 90 centimeters at the minimum height of a ladder. A standard measure that children can reach and grab ideal for an average height of an adult. As for the height of the steps,is recommended to be between 17 and 21 centimeters while footprint is between 21 and 27 cm.
Not easily scalable. As important or more than the height to protect children it is prevent the ladder is scalable.
Not have openings that can be crossed by areas of more than 10 centimeters in diameter (15 cm in the case of the steps of public buildings) to prevent children putting their heads, except for the triangular openings forming the tread and the riser of the steps to the lower limit of the rail, and provided always that limit the distance between the line and tilt the ladder does not exceed 5 centimeters.
These requirements are mandatory irrespective of the material from which the ladder is made and in order to prevent accidents and ensure the safety of those who rise or fall by it.