PART 4: DESIGN. As already noted, activity-based working is a way of working rather than a design concept. Even so, good design is absolutely critical. All too often the success of the ABW concept is hampered by design errors that could easily have been avoided, such as too tight sharing ratios, a lack of places for making phone calls, meeting areas furnished with stylish yet uncomfortable seating, or workspaces located next to noisy pantries. There is no room here to discuss all ABW design aspects, but the following pages will explain some of the essentials, in particular: Sharing ratio Zoning Space types61