Floorplate Geometry

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Introduction

The shape of the building establishes its potential daylight area. As the perimeter increases, the potential daylight area increases. Daylight penetrates only up to 2.5 times the head height of the window; so the depth of daylight zones is restricted by the floor to ceiling height of the space. Smaller, shallower, thin and long floorplates provide better access to daylight. Basic rectilinear shapes of floorplates allow matching the building to the cardinal direction which makes sun penetration easier to control. When a building is designed with wings as in an “H” shaped plan, the effect of the wings in obstructing the skydome should be considered.

Section Key Resources
  • Electric Power Research Institute. 1997. Daylighting Design Smart and Simple.
  • Moore, F. 1985. Concepts and Practice of Architectural Daylighting. New York. Van Nostrand Reinhold Company.
  • Robbins, C. 1986. Daylighting Design and Analysis. New York: Van Nostrand Reinhold Company.
  • Hopkinson, R. 1966. Daylighting. London: William Heinemann Ltd.
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Lead Author(s): Prasad Vaidya

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