This is the lifter's responsibility. You must use collars on all free weight bars. Move weight from the racks to the bar only. Never set plates on the floor or lean them against equipment or walls. Always replace plates onto designated horn of self contained rack, or weight tree, and dumbbells to designated area after use.
Dumbbells are to be used in designated area only.
Plates and free weight bars are prohibited from designated dumbbell area. Do not drop dumbbells onto the flooring. Do not drop the weight stacks on the selectorized machines. Do not stand on benches or machines. Keep feet off the walls.