To give building occupants a connection to the natural outdoor environment by providing quality views.
Achieve a direct line of sight to the outdoors via vision glazing for 75% of all regularly occupied floor area.
View glazing in the contributing area must provide a clear image of the exterior, not obstructed by frits, fibers, patterned glazing, or added tints that distort color balance.
Additionally, 75% of all regularly occupied floor area must have at least two of the following four kinds of views:
- multiple lines of sight to vision glazing in different directions at least 90 degrees apart;
- views that include at least two of the following: (1) flora, fauna, or sky; (2) movement; and (3) objects at least 25 feet from the exterior of the glazing;
- unobstructed views located within the distance of three times the head height of the vision glazing; and
- views with a view factor of 3 or greater, as defined in “Windows and Offices; A Study of Office Worker Performance and the Indoor Environment.”
Include in the calculations any permanent interior obstructions. Movable furniture and partitions may be excluded.
Views into interior atria may be used to meet up to 30% of the required area.
For the office portion of the building, meet the requirements above.
For the bulk storage, sorting, and distribution portions of the building, meet the requirements above for 25% of the regularly occupied floor area.
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