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#1 Posted : 12 October 2005 16:04:00(UTC)
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Posted By Dazmo
Hello forum readers!

Can anyone help? Looking for guidance/best practice on min/max lux levels for a library environment or indeed any info on lighting in general for this type of environment. Anyone know where to look?

Think I will regret that last sentence.

Had thought of advising users to up their carrot intake.

Any assistance would be greatly appreciated.

Kind regards

Dazmo
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#2 Posted : 12 October 2005 16:06:00(UTC)
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Posted By Robert K Lewis
Yes and Yes are the answers to the 2 questions.

More helpfully CIBSE produce a full guide for all situations on this topic
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#3 Posted : 12 October 2005 16:31:00(UTC)
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Posted By Gilly Margrave
Hi Dazmo,
Here's a link to a very detailed (admittedly american) article on this very subject.
http://www.emeraldinsigh...Articles/2380170404.html

Gilly
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#4 Posted : 12 October 2005 17:26:00(UTC)
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Posted By Paul Leadbetter
Gilly

Your reference contains lots of info but the units are archaic (foot candles and foot lamberts); anyone know the conversion factors?

Paul
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#5 Posted : 12 October 2005 17:39:00(UTC)
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Posted By Dazmo
Hi Gilly,

Thanks for response. Interesting articles. Haven't used emerald since I was at university!

Paul, this is rather a strange website but I think it explains the basics.

http://www.technika.com/navpage/light.htm

Have a good evening!

Dazmo
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#6 Posted : 12 October 2005 19:14:00(UTC)
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Posted By John Murgatroyd
Find the levels, in lux, here.....

http://www.usdaw.org.uk/...Workplace%20Lighting.doc
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#7 Posted : 12 October 2005 21:47:00(UTC)
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Posted By Adrian Watson
The relevant standards are contained in CIBSE Code for Interior Lighting 1994 Edn p76.

The general standard for illumination in a library is 300-500 Lux on the working plane.

Regards Adrian Watson
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#8 Posted : 13 October 2005 12:48:00(UTC)
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Posted By Gilly Margrave
Hi Paul,
The units aren't archaic - just american and I did put in a warning about that.
I, on the other hand, am archaic and a librarian to boot!

Gilly ;)
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#9 Posted : 13 October 2005 13:22:00(UTC)
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Posted By peter gotch
Hi Paul,

Converter at

http://www.intl-light.co...culators/footcandle_conv

As Gilly says not archaic but Americans sticking to tradition. We have an onshore drilling site where the US influence on petrochem means that even the Norwegians express drill diameters in inches, even if the depth of drilling is measured in metres!!

Regards, Peter
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