Elevated Stairs

Definition

A stair system not supported by the subgrade.

Purpose

Elevated stairs provide vertical circulation between different levels of a building without being supported by the ground. They are essential for multi-story structures, allowing access between floors.

Examples of Use

• Staircases in a multi-story office building.
• Exterior stairs leading to the upper levels of a residential home.
• Industrial stair systems providing access to platforms and mezzanines.

Related Terms

• Cantilevered Stairs: Stairs supported only at one end, giving a floating appearance.
• Spiral Stairs: A helical staircase that saves space and provides vertical circulation.
• Stringer: The structural support on which the treads and risers of a staircase rest.

Notes

• Elevated stairs must be designed to meet building codes and safety standards, including load-bearing capacity and handrail requirements.
• Materials commonly used include steel, concrete, and wood, depending on the application and aesthetic requirements.