
BEFORE THE ARCHITECT – HOME DESIGNING BACKGROUND – UNIQUE HOME DESIGN ARTICLES
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LIGHTING DESIGN: 1, THE BASICS
By Before The Architect Copyright 2002, 2003, 2007, 2009 Before The Architect
YOU MAY FREELY QUOTE THE AG WITH PROPER ATTRIBUTION
Yep, Julian Beever's got it right on: you're looking at the real thing
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Part 1: The Basics
This is about a lighting home design guidance system to light home interiors for aging eyes, the aim of which is to tailor lighting home design practically, not only sensitive to its occupants, but also easily specified and readily recognized in retail settings and by lighting professionals.
Before The Architect takes increasing interest in interior home lighting design.
Most clients of Before The Architect are mature [that’s PC for older], and mature eyes, as compared to eyes in youth and early-middle years, need more light and need light presented differently.
There is there is little guidance that bridges research and hands-on application.
Rules to Design Home Interior Lighting for Aging Eyes
Layer lighting
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| Apply dimmer switches wherever possible (Lutron makes applying dimmer switches a whole lot easier than it used to be, including 4-way dimming involving every device in the gang) | |||||
| Apply incandescent illumination as a last resort | |||||
| Define illuminance on three levels (approximately, not obsessively, so long as variance is to the high side) – 40, 70, 100 foot candles, or lumens/foot2 [or fc, lm/ft2, equal and used synonymously] |
Sidebar: Aspects of lighting metrics settled without wiggle-room:
Again, 1 fc = 1 lm/ft2,
where foot candle = fc or ftc and lumen = l or lm
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Arrange illuminance so that –
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Comment: Passage from one light level to another with these rules should offer in almost all cases illuminance level change as a transition and not as a suddenly parted curtain
Bare bulbs shall not be casually observable (saying
brightness and glare are not the same)
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Special Consideration:
In
specific formulations of lighting quality
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Comment: This and more is scheduled as text and math in the subsequent article in re Subject hereunder.
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