Abstract: A rail assembly for maintaining trays for temporary storage. The rail assembly features a plurality of support members and a plurality of post attachment members. The plurality of support members include a plurality of raised edges and a plurality of shelf members, each of the plurality of shelf members extend from a corresponding raised edge of the plurality of raised edges. The plurality of post attachment members extend outwardly from the plurality of support members. Each of the plurality of post attachment members includes a first connection arm configured for attachment to a first side of a vertical post and a second connection arm configured for attachment to a second side of the vertical post.