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Jewelry Store - Ventilation Requierments

MechGuy22 (Mechanical) (OP)
31 May 12 9:44
Im working on a Jewelry store. Obviously the store part is pretty simple. Im just concerned about the backroom. The Jeweler stores a couple large tanks of oxygen that he uses for making jewelry, and also has a tank of acetylene. Im sure he uses these chemicals to weld, which means they are burning, which means we need ventilation. Does anyone have an idea of a suggested air changes/ hour of ventilation?

317069 (Mechanical)
2 Jun 12 0:58
what kind of juelery are they making?
cdxx139 (Mechanical)
2 Jun 12 23:35
Instead of space air changes, you should consider point of use ventilation, like they do for soldering.

knowledge is power

cdxx139 (Mechanical)
2 Jun 12 23:39
See ACGIH Industrual Ventilation.

knowledge is power

willard3 (Mechanical)
5 Jun 12 9:40
>>>>>See ACGIH Industriual(sic) Ventilation.

American Conference of Governmental Industrial Hygienists = ACGIH
MechGuy22 (Mechanical) (OP)
5 Jun 12 10:02
I really think they are just doing alterations and repairs here. Not really making jewelry. The existing shop has nothing in it. This new store is only 2000 ft^2 so I dont think industrial ventilation will be a very good fit.

I think I am just going to do a downdraft vent and a overhead exhaust fan to keep the room negative. Maybe I was over-thinking this?
MintJulep (Mechanical)
5 Jun 12 15:18
See ASHRAE Handbook - Applications, Chapter 32: Industrial Local Exhaust
willard3 (Mechanical)
7 Jun 12 9:25
You should read the ACGIH before you conclude that it won't be useful. Any kind of ventilation, both industrial and other, is dealt with in the manual.
MechGuy22 (Mechanical) (OP)
7 Jun 12 9:36
I will definitely see if I can find a copy. Thank You

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