Stair tread

A stair tread is the horizontal portion of a set of stairs on which a person walks. The tread can be composed of wood, metal, plastic, or other materials. In residential settings, treads can be covered in carpeting. Stair treads can come in non-slip varieties, particularly in commercial or industrial locations.[1]

USAB & ADA Compliance

According to the United States Access Board, stair treads in buildings shall have uniform tread depths that are 11 inches, or 280 mm, at minimum. Treads are not permitted to have a slope steeper than 1:48.[2]

All stair tread installations must comply with Regulation 302 of the ADA Standards for Accessible Design. The regulation states that the surface of the [tread] must be firm, stable, and slip-resistant.[3]

Notable Sets of Stair Treads

The Dylan's Candy Bar flagship location features a stair case consisting of 53 resin stair treads and three landings that are embedded with real candy and equipped with inserted abrasion strips.

China's first children's design museum, Kids Museum of Glass, has alternating black and white stair treads on its central staircase, earning the nickname "The Piano Staircase".[4]

As part of the Underground Shopping Center Public Art Project, the Seoul Metropolitan Facilities Management Corporation built a piano staircase in the underground passage at Euljiro 1-ga Station. Each step lit up and played a note as it was walked on.[5]

IDEO Labs' interns created a musical staircase during summer of 2011. Each tread played a different sound when stepped on.[6]

Johns Hopkins University students turned a Hackerman Hall staircase into a piano, with a new note per step. The Hopkins Robotics Club modified the staircase so the treads played the C scale.[7]

References

  1. ↑ "Non-Slip Abrasive Stair Treads - Amstep.com". www.amstep.com. Retrieved 2016-02-01.
  2. ↑ Yanchulis, Dave. "Chapter 5: General Site and Building Elements - United States Access Board". www.access-board.gov. Retrieved 2016-02-01.
  3. ↑ "2010 ADA Standards for Accessible Design". www.ada.gov. Retrieved 2016-02-01.
  4. ↑ "This museum is entirely made of glass". PSFK. 2015-03-05. Retrieved 2016-02-01.
  5. ↑ ""Underground Landscape of Seoul"". Seoul Metropolitan Government. 2014-10-10. Retrieved 2016-01-02.
  6. ↑ "Musical Staircase | IDEO Labs". Retrieved 2016-02-01.
  7. ↑ "Musical stairs: Johns Hopkins students transform steps into giant piano". The Hub. Retrieved 2016-02-01.
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