The Business Instructional Facility (BIF) was designed for future use of greywater, which is raw (untreated) water. Although the building is fed from the potable water supply, there is separate piping for the urinals and water closets in the building. Utilities does not yet have a greywater system in place. When such a system becomes available, the connection in BIF that serves its fixtures can then be transferred to the greywater supply.