A system (10) for defining a plurality of work zones (12) within an otherwise open area. The system (10) includes a framework (16) formed from a plurality of spaced apart poles (18) extending upward from a base surface. The poles (18) are interconnected by a plurality of crossbeams (22, 24) at a height substantially above a standing user. At least some of the poles are adapted to provide a raceway (180) for the delivery of utilities. The framework (16) is capable of being arranged in a plurality of substantially non-linear patterns and includes an at least partially open area between adjacent poles.