An office work system includes a first and second table assemblies each including a first work surface having first and second ends, and leg arrangements coupled to the work surfaces and configured to support the work surfaces above a floor surface, a beam arrangement that includes an upwardly-facing surface, a first end, a second end, and a pair of channels extending between the first and second ends, the channels coextending with one another and being located at the same vertical height, wherein the first table and second table assemblies are coupled to the beam arrangement, a work tool positioned above the beam arrangement, and a connector assembly connecting the work tool to the beam arrangement, where the connector assembly is coupled to the work tool and engages the pair of channels of the beam arrangement such that the work tool may be repositioned along a length of the beam arrangement.