Staircase Designs

Staircase design is one of the most understated components of the building, being one of the most common form of vertical circulation.

The main purpose of staircases is to bring visitors from one level to another.

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Key Terms

The following are key terms and definitions you should know while designing staircases:

Tread - Horizontal portion of the step

Riser - Vertical portion of the step

Tread depth - Horizontal distance for each step

Riser Height - Vertical distance for each step

Landing - Flat platform at the beginning, between or at the end of staircase flights

Flight - A series of steps between landings

Handrail - Barrier / support bars along staircases

Stringer/Support - Kerb supporting balustrades along staircases

Nosing - Edge of steps

Pitch - Diagonal line joining the nosing of each step

Clear width - Effective distance between handrail without any obstruction

Headroom - Effective distance from pitch of staircase to any obstruction vertically above.

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