Guidelines for the Investigation of Grain Dust Explosions Report (1983) / Chapter Skim
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SUMMARY OF ON-SITE INVESTIGATIONS
SUMMARY OF ON-SITE INVESTIGATIONS
Pages 13-16
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From page 13... ...
In the first incident, considerable site investigation and interviewing were necessary before the investigators were led to the conclusion that the ignition resulted from an electrical equipment failure in one of the bins. Although the precise cause of the initial propagation of the explosion is not fully deducible, the end result follows the assumption of a primary explosion in a loading bin connected directly to other portions of the facility.
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From page 14... ...
This illustrates the importance of persistence in interviewing to validate the most probable scenario if it cannot otherwise be verified. In the fifth incident, site investigation soon revealed that the initial explosion probably occurred in the headhouse itself or was communicated into the headhouse from the legwell.
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From page 15... ...
National Materials Advisory Board, Pneumatic Dust Control in Grain Elevators: Guidelines for Design Operation and Maintenance, NMAB Report 367-3, National Academy Press, Washington, D.C., 1982b. Verkade, M., and Chiotti, P., Literature Survey of Dust Explosions in Grain Handling Facilities: Causes and Prevention.
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