Home Lighting Design – Daylighting Design


This article develops a unique design, extensive homelighting Daylighting Design Schedule for address code and many more. Home lighting design policy for most homes these days: letting daylight with skills – maybe not too much, not too little, depends on where, depends on how, how about when, depends Of what it shines, etc.

Domestic lighting design code: IRC 303.1 presents efficiently and round-about only for the design of daylight, at least in one bedroom, "aggregate glazing surface" Should not be less than 8% area of ​​the room. (CABO more difficult, less exceptions.) [Please note that this presentation has no direct connection with emergency egress.]

Home daylighting practical design? Who knows. The author has had reactions of "exactly, right" to "not so important here" to "what you are talking about" of the building authorities having jurisdiction.


To begin with, the term aggregate glazing surface – otherwise indefinite – is interpreted as meaning translucent glass, transparent plastic, etc. Chassis, muntins, trimmings and the like. What Marvin Windows and Doors defines as "Lite", Pella as "visible glass", Loewen as "exposed glass area", etc.

Note, please, that if some n & Were not interested in these surfaces, Big players in the windows would not work in the printing.

The illumination calendar of domestic lighting, accomplishes four ends.

First, it defines (19459002)

the total area of ​​the total glazed area in each principal space of a dwelling, including living quarters, halls, It compares the actual aggregate glazing surface to the calculated code target for each major space and presents the difference either in square feet of glazing area or, more and more, As a percentage of target glazing area – the latter seems easier to use include


Fourth, it identifies spaces or parts of spaces that are persistently dark, far enough away from the view. A natural light source to be considered unlit or unenforced by a light source Natural space, for example a space considerably behind the daylight from a covered porch, an exceptionally deep interior space.

The appendix is ​​in the form of an array of several columns. From left to left, let us see: a give space; Its surface in square feet; 8% of this area in square feet; Glazed area of ​​this space in square feet (usually one decimal place); The arithmetic difference and in percentages between the 8% and the aggregate glazing column; And observations, if any.

Experts of domestic lighting define the limits of the scope of useful natural light that can penetrate into a space. Comments may include, among others, modulate, dark, code compliant (for sleeping areas). These limits can be found in, for example, Lighting Design Basics by Mark Karlen and James Benya, John Wiley & Sons, Inc., 2004, p.34 and Interior Lighting For Designers 4th edition by Gary Gordon, John Wiley & Sons, Inc. 1957, p.53ff. Although this aspect of the daylight penetration of daylight analysis may be a judgment, the consideration of the fit associated with natural illumination is, according to 39 Author, well worth the effort as preventive design alert to convenience and security

Daylighting Design Schedule presents several foundations or inputs for design analysis of the home – 16 in total.

1. Of itself for natural light, in the orientation of the compass of the house and possibly its adjustment and in the personal assessment of the infiltration and Of adequacy in spaces lit by light

. Ventilation as quality control check in transverse ventilation of rest areas and occupied premises for longer, as well as sizing and indicative location of supplies and returns

3. UV indicator indicator 39 intrusion where it can be determined as less welcome and its power diminished.

4. The natural indicator of heat-building for the professional attention of HVAC and various design means to decrease.

5. Definition of daylight glare, especially in areas, such as stairs, Glare threatens safety.

6. Qualification for the conformity of the code of the surface of aggregate glazing to the surface of the space in the sleeping areas, especially more problematic in these spaces in the structures of history And a half to L2

7. Guide suggesting artificial lighting throughout the day. Year, especially ambient lighting and controls, Lighting

8. Definitive verification of the size of the window and the door and the site in the elevations, plan view and calendar of the windows (and possibly the calendar of the doors)

9. Excellent perspective on the consequences of external design on interior functionality, occasionally leading to design changes ranging from marginal to major.

10. Guide for the increase of stratification in low light spaces.

11. Guide to scoring in continuous operation in low and very light daylight spaces

12. Guide to changing the dimensions of windows

13. Guide To change the location of windows

14. Motivation in deep one-storey spaces with outer lids to penetrate these covers with niches in the roof, sunscreen, skylight, clerestory, etc.

15. Motivation in deep single-storey spaces with or without exterior cladding to add clerestories and light wells by means of skylights and other fenestration design modifications

] 16. Motivation, especially in story-and-a-half drawings, necessarily add skylights, skylights, skylight tubes, clerestories, skylights, and other design windows. Modifications

The fixing of major errors to obtain suitable and safe sizing and location of windows, exterior door composition, luminaires and reflection and light absorption characteristics may constitute An expense of sanitation and grandiose physical disadvantages



Source by Ralph Pressel

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