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Fire Dampers

Technical Note TN 6/94

By (author) Stephen Loyd
Format: Paperback
Publisher: BSRIA, Bracknell, United Kingdom
Published: 31st May 1994
Dimensions: w 210mm h 297mm
ISBN-10: 086022368X
ISBN-13: 9780860223689
Barcode No: 9780860223689
Synopsis
Fire protection equipment in a building will be specified for either life safety or for protection of the building and/or its contents. Air conditioning and ventilation systems are a common feature in many buildings, but where ductwork pierces a fire-resisting compartment, fire dampers should be installed to prevent the passage of heat and smoke. After a number of years remaining inactive, it is essential that fire dampers should operate correctly in the event of a fire. On one of the worst fire disasters of its kind, the MGM Grand Hotel fire in 1980, a factor was that some fire dampers were disabled and did not close when their fusible links melted. With a service life of around 20 years, regular maintenance and inspection should ensure maximum reliable service and prevent premature failure. Many manual-reset-type fire dampers are located in either difficult or inaccessible positions, and are probably never checked or maintained. Brought together here is the published guidance on selection, installation, commissioning and maintenance of fire dampers for reliable performance.

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