Essential Stair Building Guidelines
Fundamental elements of staircase construction, including tread and riser specifications, handrail requirements, and key stair terms. Learn about stairwell design, nosing details, and the significance of pitch lines. Enhance your knowledge of stairs with detailed images and explanations.
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Presentation Transcript
Subject: Building Construction-IV Topic: Stairs Presented by: Atul Setya
Tread Detail Minimum Going for domestic stairs is 220mm. Maximum Rise is 220mm string and handrail. In consecutive flights of stairs, each step shall have the same rise and the same going. Handrail to be provided on both sides of stairs if width is 1.0 metres wide or more.
Stair Terms Stairwell 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. The space in which the stairs and landing are housed.
Stair Terms Handrail newels or Baluster Member parallel to the string and spanning between fixed to the wall. 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.
