Patent attributes
A multi-level storage structure includes a plurality of vertical supports, a plurality of row spacing members connecting vertical posts positioned laterally relative to each other, a plurality of row rails connecting vertical posts positioned longitudinally relative to each other and configured to support at least one row cart, a plurality of aisle rails extending perpendicular to the plurality of row rails and configured to support at least one aisle cart, and a plurality of pre-formed holes formed in at least one of the vertical supports, row spacing members, row rails, and aisle rails to mount at least one of a lighting system, a fire suppression system, a mobile safety tie off carriage, and at least one support brace to the storage structure. The plurality of pre-formed holes are formed prior to assembly of the storage structure.