A repositionable riser is disclosed. The repositionable riser may be used in connection with a robotic arm deployed in a workspace. In various embodiments, the repositionable riser includes a riser having one or more mounting locations at or near an upper end of the riser configured to fixedly mount an equipment on the riser, a lateral translation subsystem comprising a carriage on which the riser is mounted and a set of one or more elongated structures that define a constrained lateral path along which the carriage is movable, the path including a first end associated with active use of the equipment and a second end not associated with active use of the equipment, and an anchor structure to which one or both of the carriage and the riser are configured to be coupled to secure the riser at the first end.