Fire tower tests of stair pressurization systems with mechanical venting of the fire floor

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AuthorSearch for:
TypeArticle
Journal titleASHRAE Transactions
ISSN0001-2505
Volume96
Issue2
Pages384392; # of pages: 9
Subjectpressurization; smoke controls; stairs; high rise buildings; Indoor air; Fire; pressurisation; escalier; construction élevée; regulateur de fumée
AbstractStairshaft pressurization systems under various schedules of stair door operation, nonfire/fire conditions, and the fire floor vented with an exhaust fan were investigated in a 10-storey experimental fire tower. The four stairshaft pressurization systems that were tested had overpressure relief features of exit door relief, barometric damper relief, feedback control with fan bypass, and feedback control with variable-speed fan. Tests have indicated that with any one of the stair pressurization systems on and with mechanical venting of the fire floor, the stairshaft was kept smoke free with four stair doors open.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NotePresented at the 1990 ASHRAE Annual Meeting, St. Louis, MO, USA, June 9-13, 1990
Peer reviewedYes
IdentifierIRC-P-1691
NRC number32361
3992
NPARC number20375714
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Record identifierc100e6be-afd3-4c53-b679-e6745d28587a
Record created2012-07-23
Record modified2016-05-09
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