What Is The Standard Height Of A Handrail
Camila Farah
When should balustrades or barriers be used.
Balustrades or barriers are meant to prevent people from falling off stars a ramp a floor a balcony and the like. Provide a handrail on one or both sides. The top edge height may exceed 45 inches 114 cm provided the guardrail system meets all other criteria of paragraph b of this section see figure d 11 below. The height is calculated in relation to the stairs and is measured from the very end of the stair tread in a completely vertical line.
Datum is defined as any level surface used as a reference in measuring elevations. According to occupational safety and health administration osha requirements in the u s the majority of stair handrails must be between 30 and 37 inches in height. If the stairs are less than 1m wide. 34 to 38 inches handrail height is the height of the handrail in relation to the stairs.
The top rail must be at least 42 inches in height 1910 29 f 1 ii b and the handrail must be 30 to 38 inches in height 1910 29 f 1 i as measured at the leading edge of the stair tread to the top surface of the rail. The set of child handrails and adult handrails should be spaced at least 9 inches apart so children don t run the risk of trapping their hands between the sets. The height of a proper handrail must range from 900 mm to 1100 mm and should be consistent throughout the stairway ramp or landing. The measurement is from the upper surface of the handrail to the surface of the tread which is in line with the face of the riser at the forward edge of the tread.
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Staircases require at least one handrail.
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