foot candles in church santuary

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I don't think there is any code requirement under the IBC besides

1205.3 Artificial light. Artificial light shall be provided that is adequate to provide an average illumination of 10 foot-candles (107 lux) over the area of the room at a height of 30 inches (762 mm) above the floor level.
 
I typically go for at least 30 fc since there is a real mix of ages. Some congregations need more light. Remember, it's easy to dim "too bright" down. But without considerable expense, you can't "fix too dim" !!! RC
 
ASK_EDDIE said:
As the titles says what would be the requirement for the recommended foot candles in church santuary.
Click to expand...

I've been asked in bid 36 - 6" 100 watt can lights at 24 ft in the drop tile ceiling
in a 4800 sq' sanctuary . Seems a bit lacking and thats to include the stage area also.
 
ASK_EDDIE said:
I've been asked in bid 36 - 6" 100 watt can lights at 24 ft in the drop tile ceiling
in a 4800 sq' sanctuary . Seems a bit lacking and thats to include the stage area also.
Click to expand...

What footcandle value are you calculating?

Try one of the freebee RCR calculators.
sea.siemens.com/consultant/docs/DA_ZCR_Calculator.xls
 
ASK_EDDIE said:
I've been asked in bid 36 - 6" 100 watt can lights at 24 ft in the drop tile ceiling
in a 4800 sq' sanctuary . Seems a bit lacking and that's to include the stage area also.
Click to expand...

I am out of town on vacation but a rough calculation on my spreadsheet program might be of help. It would look like you are below 5 fc overall!

Who did the drawings? Are they stamped by an engineer? I sure wouldn't put out drawings with such poor lighting! You may want to either question the design - or run like , well you know, the other way.

RC
 
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