Assessing and Mitigating Electrical Fires on Transit Vehicles (2021) / Chapter Skim
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15 Additional Research Activities As a result of the data collected from the transit systems surveyed, the project team identified two subject areas that would benefit from additional investigation and research. The investiga tors found that both bus and rail operators were looking for additional data and information on the design and performance of fire suppression systems on buses and rail cars.
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16 Assessing and Mitigating Electrical Fires on Transit Vehicles of the 24 transit systems surveyed outfitting 100 percent of their new buses with fire suppression systems. Of the remaining four properties, one had suppression systems installed on 95 percent of its buses while the three others had installation percentages of 5, 2, and 0 percent.
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Fire Suppression System Studies 17 event of an unfortunate incident. Reasons for including fire suppression systems appear to differ significantly between regions of the United States.
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18 Assessing and Mitigating Electrical Fires on Transit Vehicles well as exhaust leaks are responsible for a considerable number of reported fires. Similar atten tion is paid to the fuel tanks and electrical boxes with several transit systems saying that they include sensors and nozzles in this area.
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Fire Suppression System Studies 19 where the fire suppression system failed to stop the fire. That is an equivalent success rate of 89.2 percent, which signifies that these fire suppression systems were effective.
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20 Assessing and Mitigating Electrical Fires on Transit Vehicles in Figure 15. The data varied between properties.
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Fire Suppression System Studies 21 Fire suppression systems are designed to remove at least one of the three components that make up a fire: oxygen, heat, and fuel. The three systems described above remove both the oxygen and heat from a fire.
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22 Assessing and Mitigating Electrical Fires on Transit Vehicles manufacturers have not been requested to supply fire suppression systems on their current products. The BEB manufacturers have been requested to supply fire suppression systems on a portion of their buses by some customers.
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