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Issued: September 30, 2008 As can be seen from Figure 27 and Figure 29, the heat release rate reduction for the agents tested versus water as a baseline was quicker in both the convective as well as the total chemical heat release rate. When reviewing the data for the average ceiling gas temperature of the nine thermocouples positioned around the living room, we see a similar reduction as can be seen in Figure 30. In this chart, time zero represents the time of initial fire fighter attack. Note the thicker blue line represents the water baseline test, and the reduction in the ceiling temperature for the agents is shown as being reduced more readily than the water only baseline. Figure 30 – Living Room Ceiling Temperature Reduction Comparison When reviewing the data for the average ceiling gas temperature of the four thermocouples positioned along the centerline of the corridor, we see no significant difference in the temperature reduction as shown in Figure 31. Note the thicker blue line represents the water baseline test. Again, time zero represents the time of initial fire fighter attack. Page 41 of 55
Issued: September 30, 2008 Figure 31 – Corridor Ceiling Temperature Reduction Comparison Additional comparison data for smoke production at the instrumented fire fighter location in the corridor can be seen in Appendix E (refer to para. 8.3.3.2 for instrument location in corridor). The results show the percent obscuration in the water only attack for both the wide spray and straight stream attack is between the most and least obstructed test in the agent series. Oxygen concentration information is presented in Appendix F. The data shows the oxygen concentration in the primary space as well as the adjacent corridor. Refer to paragraph 8.3.2 for location of the gas sampling tube in the living room and corridor. The data highlights the time it took from initial fire fighter attack, to the point where the oxygen concentration in the living room recovers to 20% oxygen concentration. The results of the data show the application of some agents are slightly quicker and some agents are slightly slower in recovery of the oxygen concentration compared with the water baseline for both the straight stream as well as the wide spray attacks. Page 42 of 55
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Page 95 and 96: Appendix G - Wood Crib - Agent Test
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Appendix G - Wood Crib - Agent Test
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