Collection of dimensioned stair widths with people ranging from 1 person to 3 person widths

Stair widths are based on the use and occupancy loads of adjacent spaces and must be serviced with handrails on one or both sides depending on the stair width.

Consult the building code for details on specific occupancy loads.

For stairs serving a single user (typically private residential), a minimum of 36” (91 cm) is required. In general public spaces a minimum of 44” (112 cm) must be met—providing ample space for one person and allowing the tight passage of two people. Comfortable two person stair widths range between 49” (125 cm) to 60” (152 cm). For three simultaneous users, a minimum of 74” (188 cm) is recommended. Handrails must be placed every 60” (152 cm).

Details

*Under Development*

Height:
Width:
Depth:
Length:
:
:
Weight:
Area:
:

1 Person (Private): 36” | 91 cm
1-2 People (Min. Public): 44” | 112 cm
2 People: 49” | 125 cm
2 People (Comfortable): 60” | 152 cm
3 People: 74” | 188 cm
Human Body Accommodation: 22” | 56 cm

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Properties

Drawings include:
Stair Widths front elevations, front (people)

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Stair details refer to the standard requirements for each of the various components of a flight of stairs. Regulated by building codes, stair details specify the sizes of risers and treads, stair widths, the placement of handrails and guardrails, and construction methods for fabricating stairs.

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