(WASHINGTON, DC) - Deputy Mayor for Planning and Economic Development Victor L. Hoskins today announced that the District of Columbia, through the Office of the Deputy Mayor for Planning and Economic Development (DMPED), has released a Request for Expressions of Interest (RFEI) for redevelopment of a land parcel located at the intersection of 5th Street and I Street, NW in Ward 6.  The parcel is situated in the heart of the Mount Vernon Triangle neighborhood, three blocks from the Walter E.