When talking about production flow, “bottlenecking” refers to certain points where everything slows down compared to the activity that preceded it. A simple example would be a conveyor belt that delivers products down to where packers box and ship them. If the conveyor belt delivers more product than the packers can handle, the result is a bottleneck as everything slows down to match the speed of the packers. In terms of warehouse efficiency, bottlenecks are highly undesirable and impact productivity and morale.
Causes of Bottlenecks
A bottleneck happens whenever a given point on the chain can’t handle the volume flowing into it. This can happen for a variety of reasons, but there are some more common culprits that can be pointed to.
Manpower: Even as technology helps make supply chains more automated, they are still reliant on human involvement. If warehouse workers are improperly trained, inefficient, or don’t have easy access to the right tools, their parts of the shipping process will stall and slow down the entire operation.
Technology: As mentioned, technology is becoming a more integral part of the supply chain. This does not mean, however, that technology is faultless. System compatibility, speed, and downtime issues can all result in short- or long-term bottlenecks that negatively impact productivity across the line.
Organization and Layout: Warehouses have a great deal of inventory within them but not all items are equally accessible. If a warehouse is disorganized or has an inefficient layout, employees will end up wasting time and potentially creating delays in the process
Identifying and Solving Bottlenecks
The good news is that a bottleneck is not normally a hard thing to identify. By observing how orders are processed and filled, talking to employees, and looking for areas where traffic slows, you can find vulnerable points along the chain of activity. This requires a commitment to efficiency and a careful eye but, in most cases, should be something capable of being handled in house. Once your bottlenecks are identified, you can begin taking steps to remedy them.
Manpower: Improving training or altering procedures so that employees can operate more efficiently is one approach to solving bottlenecks. If special equipment is commonly employed, make sure it is readily on hand. Access to key areas or systems should be similarly easy. While security and safety should not be discounted, it is important to make a rational assessment of what is and is not required. Sometimes the problem is simply not having enough hands on deck. In that case, hiring more employees may be the best option.
Technology: If the bottleneck is found to involve parts of your system that can be accessed only by specific employees (like those with admin privileges), consider expanding the pool of applicable workers. Finding ways to improve speed, clarity, and communication between the used programs can also help cut down on wait times.
Organization and Layout: The most purchased products should be the most easily accessible. Shelves should also have some form of order to them so that items can be quickly found or placed. Lanes of traffic need to be kept clear and, if necessary, widened to allow for greater volumes. Think of the warehouse as a series of city streets and look for ways to keep the traffic flowing.
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