Provided herein is a snap-to-grid bracket assembly for use with a fire suppression device. In one approach, a support assembly includes a bracket bar extending transverse to a beam, and a bracket assembly coupled to the bracket bar. The bracket assembly may include a first plate oriented substantially perpendicular to the bracket bar, the first plate having a first end coupled to the bracket bar and a second end, opposite the first end, coupled to the beam. The bracket assembly further includes a seating frame extending from the second end of the first plate, the seating frame including first and second members disposed on opposite sides. The bracket assembly further includes a second plate rotatable relative to the first plate, the second plate having first and second ends disposed on a same side of the beam, and a fastener coupling together the first and second plates.