Spiral Staircase Code

A stairway staircase stairwell flight of stairs or simply stairs is a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances called stepsstairs may be straight round or may consist of two or more straight pieces connected at angles.

Spiral staircase code. Headroom is the vertical dimension from the stair treads to the ceiling directly above. While every salter spiral stair is custom made to fit your space and design dreams this example will use a code compliant staircase. R3117101 spiral stairways spiral stairways are permitted provided that the clear width at and below the handrail is not less than 26 inches 660 mm and the walkline radius is not greater than 2412 inches 622 mm. This article series lists all major building code specifications for stairs.

These specifications show standard stair dimensions for height tread degree rotation degree and many more details for each salter spiral stair product type. Spiral staircase codes before you think about the aesthetics of your spiral stair you need to address the practical issue of building codes. A spiral stairway shall have a 7 1 2 inch 191 mm minimum clear tread depth at. The design of spiral staircases potentially makes them tricky to navigate and building code requirements for spiral stairs are focused on making them as safe.

Spiral stairways are permitted to be used as a component in the means of egress only within dwelling units or from a space not more than 250 square feet 23 m 2 in area and serving not more than five occupants or from technical production areas in accordance with section 4106 of the california building code. For each stair specification code citation we include links to in depth articles providing more details. Spiral stairs building regulations. Our spiral stair building code and ibc stair code specifications provide technical details about the different code and non code packages we offer for commercial and residential projects.

Section r3117 except as specified in sections r3117101 andr3117102. The 60d classic iron code compliant primed steel spiral stair kit our most popular model of spiral staircase provides the same high quality and easy to install spiral stair kit that has been manufactured for over 35 years with easy to configure options. Spiral stair building code calls for 30 degree treads. However not every spiral stair completes a full rotation.

For code requirements the minimum staircase width is the horizontal dimension between the sidewalls of a staircase measured above the handrails. Special types of stairs include escalators and ladderssome alternatives to stairs are elevators also.