Fire Alarm System: C9226 The expansion of a small cleanroom to B26 Lead Finish will require modification of the existing fire alarm system in the area. The cleanroom air handling will be supplemented by the addition of a fan powered hepa grid. A contactor activated by the fire alarm system will shutdown the fan powered hepas in the event of smoke detection in the existing return duct. Horn / Strobe coverage will be adjusted per the remodel wall movement. A fire suppression system will be in