zone-batch-wave picking

— The team implemented a zone-batch-wave picking process, where volunteers simultaneously pick merchandise in their assigned zones, to optimize volunteer utilization and order fulfillment. Each volunteer was assigned a zone in the warehouse (Volunteer A to Zone A, Volunteer B to Zone B, etc.) and worked on each order one at a time together. As seen in Figure 2, foot travel is minimized and orders are able to be picked in an optimal manner. The process simulation and results can be found in Section 5, Discrete-Event Simulation Analysis