Building & Investment (Nov- Dec 2018) November - December 2018 | Page 31

F
Failure of the fire resistant doorsets may
compromise effective mass evacuation that
can result in heavy casualty rates during
high-rise fire incidents.
ŝƌĞƌĞƐŝƐƚĂŶƚĚŽŽƌƐĞƚƐĂƌĞĚŝīĞƌĞŶƚĨƌŽŵŶŽƌŵĂůĚŽŽƌƐʹƚŚĞLJĂƌĞŚĞĂǀŝĞƌ
ĂŶĚƐƉĞĐŝĂůůLJĚĞƐŝŐŶĞĚƚŽůĂƐƚďĞƚǁĞĞŶŽŶĞ͕ƚǁŽŽƌĨŽƵƌŚŽƵƌƐŝŶƚŚĞĞǀĞŶƚ
ŽĨĂĮƌĞ͘,ŽǁĞǀĞƌ͕ĚƵĞƚŽŝƚƐǁĞŝŐŚƚĂŶĚƐĞůĨͲĐůŽƐŝŶŐĨĞĂƚƵƌĞ͕ĮƌĞƌĞƐŝƐƚĂŶƚ
ĚŽŽƌƐĞƚƐŚĂǀĞďĞĞŶƌĞŐƵůĂƌůLJƐƵďũĞĐƚĞĚƚŽĂďƵƐĞ͘
 /ŶƚŚĞŵŽƐƚĐŽŵŵŽŶƐĐĞŶĂƌŝŽƐ͕ƚŚĞĮƌĞƌĞƐŝƐƚĂŶƚĚŽŽƌƐǁĞƌĞǁĞĚŐĞĚ
ŽƉĞŶĨŽƌĞĂƐLJĂŶĚƵŶŽďƐƚƌƵĐƚĞĚĂĐĐĞƐƐ͖ŝŶƐŽŵĞĐĂƐĞƐ͕ƚŚĞĂƌŵƐŽĨƚŚĞ
ĂƵƚŽŵĂƟĐĚŽŽƌĐůŽƐĞƌǁĞƌĞƌĞŵŽǀĞĚƚŽĨĂĐŝůŝƚĂƚĞƉĞƌŵĂŶĞŶƚĂĐĐĞƐƐʹŶŽƚ
ƌĞĂůŝƐŝŶŐƚŚĂƚĂůůĮƌĞƌĞƐŝƐƚĂŶƚĚŽŽƌƐĞƚƐŵƵƐƚďĞŬĞƉƚĐůŽƐĞĚƚŽďĞĨƵůůLJĨƵŶĐƟŽŶĂů͕ŝŶ
ĐŽŵƉůŝĂŶĐĞǁŝƚŚhŶŝĨŽƌŵƵŝůĚŝŶŐLJͲůĂǁƐϭϵϴϰ;ŵĞŶĚŵĞŶƚϮϬϭϮͿĂŶĚ&ŝƌĞ^ĞƌǀŝĐĞƐ
Đƚϯϰϭ͘
 ĮƌĞƌĞƐŝƐƚĂŶƚĚŽŽƌƐĞƚƚŚĂƚŝƐŬĞƉƚŝŶƚŚĞŽƉĞŶƉŽƐŝƟŽŶŝƐĂƐŐŽŽĚĂƐŶŽƚŚĂǀŝŶŐƚŚĞ
ĚŽŽƌŝŶƐƚĂůůĞĚĂƚĂůů͕ĂƐĮƌĞƐŵŽŬĞĂŶĚƚŽdžŝĐŐĂƐĞƐĐĂŶŇŽǁĨƌĞĞůLJĂŶĚŚĞůƉƚŽƉƌŽƉĂŐĂƚĞ
ĮƌĞƚŚĂƚĐĂŶƉƌĞǀĞŶƚŽƌĚĞůĂLJǀŝƚĂůĞǀĂĐƵĂƟŽŶ͘
(Source: rsdoor.com)
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TYPES OF FIRE RESISTANT DOORSETS
ƵƌƌĞŶƚůLJƚŚĞƌĞĂƌĞĨŽƵƌƚLJƉĞƐŽĨĮƌĞƌĞƐŝƐƚĂŶƚĚŽŽƌƐĞƚƐŽŶƚŚĞŵĂƌŬĞƚ͗Ͳ
a) Timber-Based Fire Resistant Doorsets
 &ŽƌƚŚŝƐƚLJƉĞŽĨĮƌĞƌĞƐŝƐƚĂŶƚĚŽŽƌƐĞƚƐ͕ƚŚĞĚŽŽƌůĞĂǀĞƐĂƌĞŶŽƌŵĂůůLJƉƌŽĚƵĐĞĚďLJ
ƵƐŝŶŐƐŽůŝĚƟŵďĞƌƉŝĞĐĞƐǁŝƚŚƚŽŶŐƵĞĂŶĚŐƌŽŽǀĞũŽŝŶƚƐ͕ĂŶĚĂƌĞƵƐƵĂůůLJƚŚŝĐŬŝŶ
ŶĂƚƵƌĞ;ƵƉƚŽϱϬŵŵͿŝŶŽƌĚĞƌƚŽďĞĂďůĞƚŽǁŝƚŚƐƚĂŶĚŽŶĞŚŽƵƌŽĨĮƌĞĞdžƉŽƐƵƌĞ͘
ůƚŚŽƵŐŚĨĂǀŽƵƌĞĚďLJĂƌĐŚŝƚĞĐƚƐĨŽƌŝƚƐƉŽƚĞŶƟĂůĂĞƐƚŚĞƟĐĚĞƐŝŐŶ͕ŚŽǁĞǀĞƌ͕ƚŚŝƐƚLJƉĞ
ŽĨĮƌĞƌĞƐŝƐƚĂŶƚĚŽŽƌƐĞƚƐŝƐŶŽƚŝŶĚĞŵĂŶĚĚƵĞƚŽƌŝƐŝŶŐĐŽƐƚŽĨƟŵďĞƌ͕ĂǀĂŝůĂďŝůŝƚLJ
ŽĨƟŵďĞƌƐƉŝĐĞƐ͕ƚŚĞƉƌŽĚƵĐƟŽŶƉƌŽĐĞƐƐĂŶĚƚŚĞŵĂŝŶƚĞŶĂŶĐĞ͘tŝƚŚƚŚĞ'ƌĞĞŶ
ŵŽǀĞŵĞŶƚĂŶĚƚŚĞŝŶƚƌŽĚƵĐƟŽŶŽĨĞŶŐŝŶĞĞƌĞĚƟŵďĞƌ͕ƉĞƌŚĂƉƐŝƚŝƐƟŵĞƟŵďĞƌĮƌĞ
ƌĞƐŝƐƚĂŶƚĚŽŽƌƐĞƚƐƚƌĞŶĚƐŚŽƵůĚŵĂŬĞĂĐŽŵĞďĂĐŬ͘
Advantage:'ƌĞĞŶ͕ŶĂƚƵƌĂůǁŽŽĚŐƌĂŝŶƐ͘
Disadvantage:YƵĂůŝƚLJĐŽŶƚƌŽů͕ǁĂƌƉŝŶŐŝŶĐŽŶƚƌŽůĞŶǀŝƌŽŶŵĞŶƚ͘
ďͿ ŽŵƉŽƐŝƚĞͲďĂƐĞĚĮƌĞƌĞƐŝƐƚĂŶƚĚŽŽƌƐĞƚƐ
 dŚĞŵŽƐƚƉŽƉƵůĂƌƚLJƉĞŽĨĮƌĞƌĞƐŝƐƚĂŶƚĚŽŽƌƐĞƚŝŶƚŚĞŵĂƌŬĞƚƚŽĚĂƚĞ͕ĐŽŵƉŽƐŝƚĞͲ
ďĂƐĞĚĮƌĞƌĞƐŝƐƚĂŶƚĚŽŽƌƐĞƚƐĂƌĞŵĂĚĞŽĨŶŽŶͲĐŽŵďƵƐƟďůĞďƵŝůĚŝŶŐŵĂƚĞƌŝĂůďŽĂƌĚ
;Ğ͘Ő͘ĐĂůĐŝƵŵƐŝůŝĐĂƚĞďŽĂƌĚ͕ŵĂŐŶĞƐŝƵŵŽdžŝĚĞďŽĂƌĚͿĮdžĞĚŽŶĂƟŵĞƌĨƌĂŵŝŶŐĮůůĞĚ
ǁŝƚŚŝŶƐƵůĂƟŽŶŵĂƚĞƌŝĂůƐŝŶͲďĞƚǁĞĞŶ͘dŚĞĚŽŽƌůĞĂĨŝƐĮŶŝƐŚĞĚǁŝƚŚǀĞŶĞĞƌƉůLJǁŽŽĚ
ĨŽƌĚĞĐŽƌĂƟŽŶƉƵƌƉŽƐĞ͘
Advantage:ĞĐŽŶŽŵŝĐĂů͕ůŝŐŚƚĞƌŝŶǁĞŝŐŚƚ͘
Disadvantage:ƋƵĂůŝƚLJĐŽŶƚƌŽůŽĨǀĂƌŝŽƵƐĐŽŵƉŽŶĞŶƚƐ͕ƐĞĐƵƌĞĮdžŝŶŐŽĨŝƌŽŶŵŽŶŐĞƌLJ͘

ĚĚŝƟŽŶĂůůLJ͕ƐŽŵĞŽĨƚŚĞĐŽŵƉŽƐŝƚĞͲďĂƐĞĚĮƌĞƌĞƐŝƐƚĂŶƚĚŽŽƌůĞĂǀĞƐƵƐĞĐĂƐƚ
ĐĞŵĞŶƚďŽĂƌĚƐƚƌĞŶŐƚŚĞŶĞĚǁŝƚŚĮďƌĞ͕ǁŚŝůĞƐŽŵĞĂƌĞĚĞƐŝŐŶĞĚǁŝƚŚŚŽŵŽŐĞŶĞŽƵƐ
ŶŽŶͲĐŽŵďƵƐƟďůĞǀĞƌŵŝĐƵůŝƚĞďŽĂƌĚ͘dŚŝƐƚLJƉĞŽĨĚŽŽƌůĞĂǀĞƐŝƐĂůƐŽĮŶŝƐŚĞĚǁŝƚŚ
ǀĞŶĞĞƌƉůLJǁŽŽĚŽŶƚŚĞƐƵƌĨĂĐĞĨŽƌĮŶŝƐŚŝŶŐůĂĐƋƵĞƌŽƌĐŽĂƚƐŽĨƉĂŝŶƚ͘
Advantage:ŽĂƌĚĐĂŶďĞŵĂƐƐƉƌŽĚƵĐĞĚůŽĐĂůůLJ͕ŚŽŵŽŐĞŶĞŽƵƐĚĞƐŝŐŶƌĞĚƵĐĞĚ
ƉƌŽĚƵĐƟŽŶƟŵĞĂŶĚĐŽƐƚ͘
Disadvantage:ŚĞĂǀLJĂŶĚďƌŝƩůĞ͕ďŽĂƌĚĐŽƵůĚďƌĞĂŬĚƵƌŝŶŐĚĞůŝǀĞƌLJŽƌŝŶƐƚĂůůĂƟŽŶ͖
ƉƌŽƉĞƌĮdžŝŶŐŽĨŝŶƐƵůĂƟŽŶŵĂƚĞƌŝĂůƐƌĞƋƵŝƌĞŵĞŶƚƚŽƉƌĞǀĞŶƚƐĂŐŐŝŶŐ͖ĞŶŚĂŶĐĞŵĞŶƚ
ŽĨďŽĂƌĚŶĞĞĚĞĚĨŽƌŝƌŽŶŵŽŶŐĞƌLJŝŶƐƚĂůůĂƟŽŶ͘
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