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EX499 1 March 2,2007 <br /> 06NK23629 <br /> 3,2.3. Water Demand <br /> Twenty-five sprinklers operated in the fire test with one sprinkler operating in the outer <br /> loop without water. Sprinkler discharge pressure was maintained at 30 psig,as shown in <br /> Figure 19. See Figure 21,and for the operation sequence. <br /> Test]Branch Une Pressure <br /> Tyw On/Pips Teat <br /> cml-to n.storage.Y it Ceiling <br /> K 1611,235'P Nab <br /> 50 <br /> 40 <br /> 30 tat.. - - <br /> N <br /> N 20 <br /> nimII <br /> 10 _- <br /> 0 <br /> 0 5 10 15 20 25 30 <br /> Time(minutes) <br /> Figure 19.Test 2 Branch Line Pressure <br /> 19 <br />