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The useful daylight illuminance calculation is based on three factors—the percentage of time a point is below, between, or above an illuminance value. The range for these factors is typically 100–2,000 lux. Useful daylight illuminance is similar to daylight autonomy but has the added benefit of addressing glare and thermal discomfort. [44]
Daylight basement homes typically appraise higher than standard-basement homes, since they include more viable living spaces. In some parts of the US, however, the appraisal for daylight basement space is half that of ground and above ground level square footage. Designs accommodated include split-foyer and split-level homes. Garages on both ...
Daylight redirecting film is made of acrylic. [10] Damaged prism tiles may be repaired, and as they came in standard designs, there is a salvage market in replacements. Replacements for one-piece castings can be commissioned. Weakened prism tiles may be reinforced with hidden bars, much like those used to reinforce stained glass. [1]
Lens systems use reflection and refraction within optical prisms to redirect daylight. Some forms of prism lighting have been used for centuries, and others are 21st-century. Deck prisms were set into the upper decks of ships to light the decks below. Pavement lights were set into floors or sidewalks to let light into a basement below. The ...
Retrieved from "https://en.wikipedia.org/w/index.php?title=Daylight_basement&oldid=966039038"This page was last edited on 4 July 2020, at 21:47
All of these programs offer points for various building design features that promote sustainability, and certification at various levels is awarded for reaching a given number of points. One of the principal ways to gain points is through energy saving measures. [20] Therefore, daylight harvesting is a common feature of green buildings.
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British engineer and architect William Fairbairn is sometimes credited with the first designs for what he termed the shed principle possibly as early as 1827. In his "Treatise on Mills and Millwork", of 1863, Fairbairn stated that, "Contemporaneous with the architectural improvements in mills [from 1827], the shed principle lighted from the roof, or the "saw-tooth" system, came into operation.