ALL CEILING HEIGHTS INDICATED ARE APPROXIMATE. ACTUAL CEILING HEIGHT TO BE DETERMINED BY STRUCTURE ELEVATION AND CEILING ASSEMBLY THICKNESS. INDICATED HEIGHT IS MEASURED ABOVE FINISH FLOOR (AFF). REFER TO SHEET AXXX FOR WALL/PARTITION ASSEMBLY AND INFORMATION. SEE SHEET E102 FOR LIGHT FIXTURE TYPES. SEE SHEET MXXX FOR DIFFUSER AND GRILLE TYPES. REFER TO INTERIOR ELEVATIONS FOR MOUNTING HEIGHT OF WALL MOUNTED LIGHT FIXTURES. ALL CEILING HEIGHTS INDICATED ON PLANS ARE FROM TOP OF FINISH FLOOR TO UNDERSIDE OF FINISH CEILING UNLESS OTHERWISE NOTED. PROVIDE ADEQUATE CLEARANCES FOR DUCTS AND RELATED APPURTENTANT ITEMS NECESSARY TO MAINTAIN THE SPECIFIED CEILING HEIGHT ABOVE THE FINISH FLOOR FOR LIGHT FIXTURES. PROVIDE HANGER AND SAFETY WIRE FOR LIGHT FIXTURES, SPEAKERS, AND AIR SUPPLY/RETURN DIFFUSERS (AS REQUIRED). ALL ELEMENTS SUSPENDED FROM THE DECK THAT OVERHANS A PEDESTRIANS WAY SHALL BE A MINIMUM OF 80 INCHES ABOVE THE WALKING SURFACE AS MEASURED FROM THE BOTTOM OF THE OBSTRUCTION.