#$%^&*AU2020101007B420200903.pdf#####Abstract The present invention relates to a racking bay tower construction method, the racking bay including upright members with shelf-frames installed therebetween, the construction method including use of a method of moving an item, the item being a preassembled shelf-frame, between adjacent upright members of a racking bay tower, the shelf-frame moving method including: mounting a first preassembled shelfframe onto a jig table such that the shelf-frame is in an angular orientation; and lifting the first shelf-frame from the jig table, the jig table being positioned between lower ends of adjacent upright members, to an installation position between upper ends of the adjacent upright members, while maintaining the angular position of the first shelfframe, and then installing the first shelf-frame in a desired orientation in its installation position; and then mounting a second preassembled shelf-frame onto a jig table such that the second shelf-frame is in an angular orientation; and lifting the second shelfframe from the jig table, the jig table being positioned between lower ends of adjacent upright members, to an installation position between upper ends of the adjacent upright members but below the installation position of the first shelf-frame, while maintaining the angular position of the first shelf-frame, and then installing the second shelf-frame in a desired orientation in its installation position; wherein the mounting, and the lifting and installing, of subsequent shelf-frames is repeated until the racking bay tower is constructed. The present invention also relates to a jig table when used in the racking bay tower construction method, the jig table including a frame configured to hold a pre-assembled shelf-frame in an angled position. The present invention further relates to a preassembled shelf-frame when used in the racking bay tower construction method, the shelf-frame including at least two longitudinal members and at least two cross members connected together to form an assembled unit. Further still, the present invention relates to racking bay tower constructed by the construction method, the tower including upright members connected by shelf-frames.
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