Geir,
It is a real pleasure to know you as a person who has done a great deal on
hypoxic air venting, I agree that this is the best solution when evacuation
routes are insufficent.
I have two questions about this system, first, while hypoxic air can't
penetrate enough into vitrines, so what about fire protection inside vitrines?
There are some lamps inside each vitrines which may cause fire, and hypoxic air
concentration inside the vitrines is not enough to prevent fire ignition. On
the other hand, it is not possible to transfer the hypoxic air inside the
vitrines, so what kind of fire protection system I should consider for inside
vitrines?
My second question is that I agree that there is no health risk to stay in
low oxygen rooms for some hours, but how does it feel to stay in low oxygen
rooms for a few hours a day over a longer period like museum staff?
Thanks for your kind attention,
Reza
Geir Jensen <[EMAIL PROTECTED]> wrote:
Reza
I followed the thread on the sprinkler forum.
Please allow me to forward related article and report you may want to check.
By the way, are also responsible for the European study of manual
extingsihsrs that Stewart linked to and for the European report on Water Mist
for Heritage applications.
Several museums now apply or plan to apply hypoxic air venting in favour of
FM 200 and similar options, including the Smithsonians First Flag (Star
Spangled Banner) Museum in Washington, British Library London, Library of
Oxford, Historical Museum Oslo, Schloss Schonbrunn Vienna.
While viable, you may not want to apply hypoxic in prevention mode (24/7) in
public areas/exhibitions to avoid responding to all the questions, but it is
the best solution when evacuation routes are insufficent: Hypoxic air does not
allow any fire to start in the first place, so evacaution (if at all required
or for reasons other than fire) is carried out orderly without a need to hurry.
If you need more information, literature or links I may provide. Would then
appreciate information on your affiliation with your client - sprinkler system
vendor?
Yours
Geir Jensen
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