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INDIAN RIVER COUNTY ADMINISTRATION COMPLEX <br /> TLC PROJECT NUMBER 503036 <br /> MAY 185 2006 <br /> ATRIUM SMOKE CONTROL <br /> PAGE 5 OF 6 <br /> ENGINEERING <br /> FOR Aft OfFTECTJAE <br /> OPERATION SEQUENCE <br /> Activation <br /> Initiate smoke control activation from FACP , as follows: <br /> 1 . On a signal from the fire alarm panel due to activation of one automatic smoke <br /> detection device within atrium . <br /> 2 . Activation of duct smoke detection device within unit AHU -2- 1 -1 <br /> 3 . Activation of duct smoke detection device within unit AHU-2-2-1 <br /> 4 . Activation of duct smoke detection device within unit AHU-2-2-2 <br /> 5 . Activation of automatic sprinkler water flow with building . <br /> 6 . Manual activation through the fire alarm panel . <br /> Deactivation <br /> Deactivation of smoke control mode shall be manual , through the fire alarm control <br /> panel . <br /> Control Sequence <br /> Upon activation , the following shall occur in sequence : <br /> 1 . Fire alarm control panel ( FACP) signals security system which shall release and <br /> power open doors 101A, 101 B , 101C <br /> 2 . FACP verify doors open on end switches <br /> 3 . FACP de-energizes AHU -2- 1 -1 , AHU-2-2- 1 and AHU -2-2-2 fan <br /> 4. FACP signals damper EF-2-2-3 to open <br /> 5. FACP signals EF-2-2-3 to energize. <br /> 6 . FACP signals damper EF-2-2-4 to open <br /> 7 . FACP signals EF-2-2-4 to energize . <br /> 8 . FACP provides indication of system in operation <br /> Test Mode <br /> Provide capability manually override sequence for testing of individual components . <br /> Trouble Alarm <br /> Trouble alarm on end switch proof when system is in smoke evacuation mode <br />