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maglak Associate Join Date: Dec 2007 Posts: 42 Good Answers: 1	HVAC 08/26/2009 3:57 AM
	what is the design concept in staircase pressurisation.
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#1 Re: HVAC 08/26/2009 4:01 AM
	Like this? __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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Sapper Power-User Join Date: Dec 2007 Location: Sydney Australia Posts: 480 Good Answers: 35	#2 Re: HVAC 08/26/2009 8:59 PM
	Primarily only contained and Fire egress stairways are pressurised. This is done to force smoke & fumes created during a fire away from the emergency exits and allow personnel to escape into better quality air. It is also done in some building where access to the premisis is via a staircase to keep the outside environment from loading up the internal environment. Regards, Sapper. __________________ It's all about the Boom! - MythBusters
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maglak Associate Join Date: Dec 2007 Posts: 42 Good Answers: 1	#3 In reply to #2 Re: HVAC 08/27/2009 8:21 AM
	f any body provide how to design staircase pressurisation.
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maglak (1); PWSlack (1); Sapper (1)

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