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Private Stairway

Stair Function. The function of a stairs is to allow easy pedestrian access from one floor level to another in safety.Stairs must be strong enough to carry weight of people, furniture and equipment.A private stairway is a series of steps with straight nosings on plan intended for use solely in c

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Private Stairway

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    1. Private Stairway A private stairway is a series of steps with straight nosings on plan intended for use solely in connection with one dwelling.

    2. Stair Function The function of a stairs is to allow easy pedestrian access from one floor level to another in safety. Stairs must be strong enough to carry weight of people, furniture and equipment. A private stairway is a series of steps with straight nosings on plan intended for use solely in connection with one dwelling.

    3. Private Stairway

    4. Tread Detail

    5. Stair Detail

    6. Stair Terms Stairwell The space in which the stairs and landing are housed. Tread Upper surface of a step on which the foot is placed Riser The vertical member between two treads Step Rise plus tread Nosing The exposed edge of tread usually rounded or splayed.

    7. Stair Terms Handrail Member parallel to the string and spanning between newels or fixed to the wall. Baluster Vertical infill members between string and handrail. Newel Post at bottom and top of flight supporting handrail. String Members into which the ends of treads and risers are housed and wedged. Pitch line Line connecting the nosing of all treads in one flight.

    8. Stair Terms Margin Space left between edge of nosing and edge of string. Rise Vertical distance from top of one tread to top of the next. Going Horizontal distance from face of one riser to face of the next. Total going of flight Horizontal distance from face of first riser to face of trimmer (landing). Total rise of flight Vertical distance from surface of floor to surface of landing.

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