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By making it possible to put in a larger window, the window can act as a safer emergency exit in case of fire as well as letting in additional daylight for the enjoyment of the people inside. Such a (basement) window where people can escape through in case of an emergency is sometimes called an egress window. [1]
The purpose of building codes is to provide minimum standards for safety, health, and general welfare including structural integrity, mechanical integrity (including sanitation, water supply, light, and ventilation), means of egress, fire prevention and control, and energy conservation. [9] [10] Building codes generally include:
Specifically, a means of egress is broken into three parts: the exit access, the exit, and the exit discharge (the path to a safe area outside). The code specifies the number of exits required for a structure based on its intended use and the occupancy load (number of people who could be in the place at one time) as well as their relative ...
This is an increasingly relevant question since a 2006 change in the federal government's Universal Building Code (UBC) that allowed bedrooms to be built without windows.
An emergency exit window is a window big enough and low enough so that occupants can escape through the opening in an emergency, such as a fire. In many countries, exact specifications for emergency windows in bedrooms are given in many building codes. Specifications for such windows may also allow for the entrance of emergency rescuers.
Both the 2012 IBC and 2012 IRC require emergency escape and rescue openings for residential buildings of 4 floors or fewer, in sleeping rooms and basements with habitable space, for means of emergency egress. A fire escape can be a window, and if above the first floor with an approved ladder, or door that leads to a porch with ground access or ...
Building codes require a second means of egress, in case of fire. Most designers use a door on one side of bedrooms, and an outside window, but west-side windows provide very-poor summer thermal performance. Instead of a west-facing window, designers use an R-13 foam-filled solid energy-efficient exterior door.
The physical components of the envelope include the foundation, roof, walls, doors, windows, ceiling, and their related barriers and insulation. The dimensions, performance and compatibility of materials, fabrication process and details, connections and interactions are the main factors that determine the effectiveness and durability of the ...
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