1.1 Reflected ceiling plan for Data Hall 1 requires a minimum 9 feet 0 inches clear from finished floor to the underside of any overhead equipment, duct, tray, or pipe.
1.2 Reflected ceiling plan for Data Hall 4 requires a minimum 8 feet 6 inches clear from finished floor to the underside of any overhead equipment, duct, tray, or pipe.
2.1 Acoustic ceiling tile grid in the office corridor is set at 9 feet 0 inches above finished floor, non-structural.