Type of Building: Minimum Width: Residential: 1.

Handrails, stair rail systems, and guardrail systems are provided in accordance with § 1910.

Recommendation: In facilities that primarily serve children, a second set of stairway handrails 28 inches high maximum above stair nosings is advisable. .

For code requirements, the minimum staircase width is the horizontal dimension between the sidewalls of a staircase,.

Handrail Grip Size Is 1-1/4″ to 2″ in Diameter.

9. . Handrails, stair rail systems, and guardrail systems are provided in accordance with § 1910.

In short, the width is calculated by multiplying the occupant load served by such stairs by a factor of 0.

. A vertical clearance 9 inches minimum between upper and lower handrails will help prevent entrapment. 6.

50 m:. The effective width should be measured between handrails or, where there is no handrail present, between any walls or protective barriers.

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If a floor has a total occupant load of less than 50 people, the minimum width of a stairway can be reduced to 36”. .

Handrails are located at a height between 34 and 38 inches (864 and 965 mm). 9.

WIDTH ≥ 22” between railings.
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9.

If the stair width is more than the minimum specified width, handrails. It should be clear of obstructions, as described in the diagram to. 1 kN applied on 100mm × 100mm pad.

2 Means of Egress, Headroom. 50 m in two-way traffic. 9. Clear Width. . 1, Ex.

00m : Educational: 1.

Type of Building: Minimum Width: Residential: 1. 25(c)(3) requires standard stairs to have a minimum tread depth of 9.

50 m in two-way traffic.

A stair or ramp that is more than 2.

Stairway width is always measured between handrails, the minimum width for Accessible and Common stairs is 900 mm.

5 inches (787 mm) where a handrail is installed on one side and 27 inches (698 mm) where handrails are provided on both sides.

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