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Date: Thu, 8 Jul 2010 08:30:00 -0400
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Subject: Re: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU: CODE REQUIREMENTS FOR NITROGEN UTILITY
Date: Thu, 8 Jul 2010 10:55:56 -0500
Author: "Tsiakals, Nicholas John"


Date: Thu, 8 Jul 2010 08:01:44 -0700
Reply-To: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Eric Clark <erclark**At_Symbol_Here**PH.LACOUNTY.GOV>
Subject: Re: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU: CODE REQUIREMENTS FOR NITROGEN UTILITY
STATIONS IN A BUILDING
In-Reply-To: <2959FFA23B1228419226861F4031B963F3949A**At_Symbol_Here**hcc-mmsx01.no.enterdir.com>
Vic, 
Consider installing a low oxygen alarm; www.enmet.com probably has what 
you need.  We have a similar situation using plumbed in CO2.  As far as 
regulatory backup to justify this very minor expense, OSHA's General Duty 
Clause 29 CFR 654, 5(a)1 likely covers that - especially since you've 
already identified the specific hazard.    
Eric 

Eric Clark, MS, CCHO, CHMM 
Safety & Compliance Officer 
Los Angeles County Public Health Lab 

>>>  7/7/2010 8:44 AM >>>
We are constructing a two-story building approximately 168 ft x 32 ft x 14 
ft high on the lower floor. The building will be multi-use, with offices 
in one portion and maintenance facilities adjoining. There will be six 
utility stations in the building with nitrogen piped to each utility 
station along with other utilities. The nitrogen supply line at each 
utility station will be a one-inch diameter line with a ball valve, a 
check valve, and a globe valve.

Could you please alert us to any applicable codes and standards specificall
y regarding any risks associated nitrogen asphyxiation.

Thanks and best regards,

Vic
 
Victor H. Edwards, Ph. D., P. E.(TX)
Director of Process Safety
Aker Solutions

Tel: +1 (713) 270-2817
Mob: +1 (713) 724-0406
Fax:    +1 (713) 270-3195
e-mail: vic.edwards**At_Symbol_Here**akersolutions.com 
  

Aker Solutions Americas Inc.
3600 Briarpark Drive, Houston, Texas 77042-5206


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