The impact of batch transfer methods on the ‘Lean success’ of a plant is starting to be recognised earlier in the plant design process. Before deciding on building and process room heights, proper attention must be given to materials handling processes. A single-floor facility design is simply not flexible enough, and a multiple-floor plant could well be too expensive. A two-floor facility is a good compromise as it provides good agility for future demands with a modest investment requirement. Wim Spook of Matcon looks into the pros and cons of these different facility designs, exploring the benefits to the future requirements of the business.