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Fire Doors for Noncoal Mines.

Authors
bickel-I; Pomroy-KLWH
Source
MISSING :22 pages
Link
NIOSHTIC No.
10006010
Abstract
During an underground mine fire, the importance of controlling the spread of smoke and toxic gases with suitable ventilation structures has been proven. However, under certain conditions, control of the propagation of the fire itself may be even more critical in insuring a safe mine evacuation. Fire doors offer the means for accomplishing both objectives. In 1978, the Bureau of Mines initiated research to evaluate the state of fire-door technology and develop and test a fire door suitable for large openings (10 by 12 ft or larger) in noncoal underground mines. This report discusses current fire-door technology in the context of the underground mine environment and the design, fabrication, lab testing, and in-mine field testing of a mineworthy fire door. This door has a 1.5-H fire resistance rating and limits temperature rise across the door to 250 deg. F during the first 30 min of fire exposure.
Publication Date
19880101
Document Type
IH; Information Circular;
Fiscal Year
1988
NTIS Accession No.
NTIS Price
Identifying No.
IC 9165
NIOSH Division
TCRC;
Source Name
MISSING
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