Spiral Staircase Commercial Building Code
Camila Farah
Because paragon understands the importance of meeting spiral staircase code with many projects yet we also understand the value of having multiple options to meet code we design all our spiral stair lines with stair code compliant features available.
This article series lists all major building code specifications for stairs. Stair railing guardrail handrail landing platform building codes design specifications. A minimum clear width at and below the handrail of 26 inches 660 mm each tread having a 71 2 inch 190 mm and minimum tread depth being 12 inches 914 mm from the narrower edge. Minimum spiral stair tread width is 26 inches.
The ontario building code curved or spiral stairs 3 3 1 15. Balcony well enclosure guardrail balusters shall be spaced so a 4 inch object cannot pass between. Compliance in each line. We provide staircases in ether your kit form stairs with installation instructions australia wide or offer installation services.
G not include spiral stairs or stairs having open risers h have stair treads with leading edge which is rounded i have handrails on both sides of the accessible route when the slope of the route exceeds 1 in 20. When it comes to commercial stair standards the international building code ibc establishes the minimum requirements for stairs to insure a level of safety to the public. This allows you the freedom to pick your favorite look while maintaining the ability to meet stair code. Spiral stair building code compliance.
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Curved or spiral stairs 1 a curved or spiral stair is permitted in a stairway not required as an exit provided the stair has a treads with i a minimum run not less than 150 mm and ii an average run not less than 200 mm and b risers in conformance with sentence 3 4 6 8 2. Minimum headroom of 6 foot 6 inches shall be provided measuring plumb from the edge of the landing down to the tread below. D1 3 4 an accessible route in addition to the requirement of clause d1 3 3 shall. Center tread width 7 1 2 in from the narrow end of the tread d.Minimum stair diameter of 60 for a metal stair and 64 for a wood stair. Our stair complies with the bca building code of australia certificate of compliance provided. Examples of code requirements our spiral stairs meet include. Tread path between handrail and center column a minimum 26.
Several components are looked at such as stair width headroom riser and tread heights. For each stair specification code citation we include links to in depth articles providing more details.
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