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FLEX. Logistics
We provide logistics services to online retailers in Europe: Amazon FBA prep, processing FBA removal orders, forwarding to Fulfillment Centers - both FBA and Vendor shipments.
In the modern landscape of logistics, the era of moving exclusively full pallets is long gone. The explosive growth of e-commerce and the increasing demand for direct-to-consumer (DTC) shipping have fundamentally shifted how warehouses operate. We have moved from a macro-logistics model to a micro-logistics reality. At the heart of this transition lies a process that is as critical as it is complex: Broken Case Fulfillment, often referred to as split-case picking.
For the uninitiated, this might sound like a simple shift in quantity. However, for logistics managers and supply chain engineers, moving from full cases to individual items requires a complete re-engineering of the warehouse workflow. It is no longer about forklifts moving pallets; it is about precision, speed, and the ergonomic interaction between human pickers and inventory.
Engineering the perfect split-case workflow is not just about organizing shelves. It is about balancing labor costs, storage density, and order accuracy in a high-velocity environment. When executed poorly, it becomes the single largest bottleneck in a supply chain. When engineered correctly, it transforms a cost center into a competitive advantage.
Understanding the Anatomy of Broken Case Fulfillment
To optimize a process, one must first dissect it. Broken case fulfillment occurs when an order requires quantities less than a full master carton. Instead of shipping a manufacturer’s box containing 24 units of shampoo, the warehouse must "break" the case to pick, pack, and ship two specific bottles to a customer in Lyon or a small retailer in Bordeaux.
The Shift from Pallets to Pieces
In a traditional distribution model, efficiency is measured in bulk. A forklift driver moves a pallet, and the transaction is complete. This is high-volume, low-touch logic. Split-case picking reverses this dynamic. It is high-touch and highly variable.
The complexity arises because the "unit of handling" changes. You are no longer managing uniform cubes; you are managing individual SKUs (Stock Keeping Units) that vary wildly in shape, size, and fragility. This shift introduces several immediate friction points:
Increased Labor Intensity: Touching individual items takes significantly more time per unit shipped than moving pallets.
Packaging Complexity: Items must be repacked into shipping cartons, requiring dunnage, labeling, and precise weight calculations.
Inventory Integrity: Opening cases increases the risk of miscounts, damage, and shrinkage.
The Golden Zone: Slotting Strategies for Efficiency
The foundation of any efficient split-case workflow is slotting. Slotting is the science of determining where inventory should sit within the warehouse to minimize travel time and maximize picking speed. In a split-case environment, travel time is the enemy. It is estimated that in a poorly optimized warehouse, pickers spend up to 60% of their time simply walking.
Analyzing SKU Velocity
The first step in engineering the workflow is analyzing SKU velocity. Not all products are created equal. You likely follow the Pareto Principle (the 80/20 rule), where 20% of your SKUs generate 80% of your picks.
These high-velocity items—your "fast movers"—must be placed in the Golden Zone.
The Golden Zone refers to the area of shelving that is easiest for a picker to access, typically between waist and shoulder height. By concentrating high-velocity items here, you reduce bending and reaching, which not only speeds up the pick but also reduces worker fatigue and injury risk. Conversely, slow-moving items should be relegated to the bottom or top shelves, or even moved to a separate reserve storage area.
Static vs. Dynamic Slotting
In a static model, a product has a permanent home. While simple, this can be inefficient if demand fluctuates. Advanced operations often employ dynamic slotting, where the Warehouse Management System (WMS) suggests new locations for inventory based on seasonal demand or current sales trends. For a company focused on agility, like FLEX. Logistique, maintaining a fluid approach to slotting ensures that the warehouse layout evolves alongside consumer behavior.
Selecting the Right Picking Methodology
Once your inventory is slotted correctly, the next engineering challenge is determining how items are retrieved. Relying on a basic "discrete order picking" method—where one picker completes one order at a time—is rarely sufficient for high-volume split-case operations.
Batch Picking
Batch picking allows a worker to pick multiple orders simultaneously. If fifty customers ordered the same red t-shirt, it makes no sense to visit that bin location fifty times.
How it works: The system aggregates orders. The picker goes to the location once, grabs fifty shirts, and distributes them into fifty different totes on their cart.
Best for: Operations with a high concentration of SKUs (few products, many orders).
Zone Picking
In zone picking, the warehouse is divided into distinct areas. Pickers are assigned to a specific zone and only pick items housed within that territory.
How it works: If an order requires items from Zone A and Zone B, the order container passes from one zone to the next (often via conveyor).
Best for: Large facilities with a vast number of SKUs to prevent excessive walking.
Wave Picking
Wave picking aligns fulfillment with shipping schedules. Orders are grouped into "waves" based on criteria like carrier pickup times, shipping zones, or priority levels.
How it works: The WMS releases a specific group of orders to the floor to be picked and packed within a set timeframe.
Best for: High-volume operations requiring strict coordination between picking and shipping docks.
Technology: The Backbone of Split-Case Engineering
You cannot manage what you cannot measure, and you cannot scale split-case fulfillment using paper checklists. Technology is the glue that holds the engineering together.
Warehouse Management Systems (WMS)
A robust WMS is non-negotiable. It serves as the brain of the operation, calculating the most efficient pick paths to ensure workers aren't zigzagging across the floor. It manages inventory levels in real-time, triggering replenishment tasks so that a picker never arrives at an empty bin.
Barcode Scanning and Verification
In a broken case environment, items look alike. A size Medium and a size Large often have identical packaging. Barcode scanning ensures validation at the moment of the pick. The distinct "beep" of a correct scan provides immediate feedback, virtually eliminating shipping errors.
Pick-to-Light and Put-to-Light
For operations requiring extreme speed, light-directed systems are the gold standard.
Pick-to-Light: LED displays mounted on flow racks light up to indicate which location to pick from and display the quantity required.
Put-to-Light: Used in batch picking, lights indicate which order tote the item should be placed into. This "visual" engineering bypasses the need for reading lists, allowing for rapid-fire fulfillment.
Optimizing the Pack-Out Station
The workflow doesn't end when the item is picked. In broken case fulfillment, the packing station is where the final quality control and brand presentation happen.
This area must be engineered for ergonomics and material flow. Packers should not have to walk to retrieve boxes, tape, or bubble wrap. Everything should be within arm's reach.
Cartonization Logic: Modern shipping costs are calculated based on dimensional weight (DIM weight), not just actual weight. Shipping a small item in a large box is literally shipping air, and you will pay a premium for it.
Advanced fulfillment operations utilize cartonization logic. The WMS analyzes the dimensions of all items in an order and instructs the packer exactly which box size to use. This minimizes waste, reduces shipping costs, and ensures the product is snug and secure. It is this level of detail that logistics partners like FLEX. Logistique prioritize to ensure cost-efficiency for their clients.
Storage Infrastructure: Bins, Totes, and Flow Racks
The physical hardware used to store broken cases significantly impacts efficiency. You cannot store individual lipstick tubes on a pallet rack designed for refrigerators.
Carton Flow Racks
For fast-moving split-case items, carton flow racks are essential. These are gravity-fed shelves equipped with rollers. Cases are loaded from the back, and when a picker removes an item or an empty case from the front, the next one slides forward. This ensures "First-In-First-Out" (FIFO) rotation and keeps inventory permanently accessible at the pick face.
High-Density Bins
For slower-moving items, high-density shelving with subdivided bins allows for massive SKU variety in a small footprint. However, clear labeling is paramount here. "Honeycombing"—where empty space is trapped behind items—must be managed through regular consolidation of inventory.
Managing Returns
Broken case fulfillment inevitably leads to returns. In e-commerce, return rates can range from 20% to 30%. A split-case workflow is incomplete without a strategy for reverse logistics.
When a single item is returned, it must be inspected, graded (resellable, refurbished, or scrap), and re-inducted into inventory. This is often more labor-intensive than the initial pick. An engineered workflow creates a dedicated "returns triage" area to prevent returned stock from clogging up the receiving dock or mixing with outbound orders.
Key Performance Indicators (KPIs) for Split-Case
To ensure your engineered workflow is performing, you must track specific KPIs. In a broken case environment, the most critical metrics include:
Lines Per Hour (LPH): The number of individual line items a worker picks in an hour.
Order Cycle Time: The time elapsed from when an order is placed to when it is sealed and labeled.
Pick Accuracy Rate: The percentage of orders picked without error.
Cost Per Line: The total operational cost divided by the number of lines shipped.
Monitoring these metrics allows for continuous improvement, highlighting bottlenecks before they become critical failures.
The Strategic Advantage of 3PL Partnerships
Designing, building, and maintaining a high-efficiency split-case fulfillment operation is capital intensive. It requires investment in technology, racking, automation, and skilled management. For many growing businesses, managing this internally can distract from core competencies like product development and marketing.
This is where a Third-Party Logistics (3PL) provider becomes valuable. A specialized partner brings the infrastructure and the engineering expertise to the table immediately. They have already invested in the WMS, the flow racks, and the training programs. They understand how to scale labor during peak seasons and how to optimize pick paths for maximum density.
Choosing a partner that understands the nuances of the French and European markets, such as FLEX. Logistique, ensures that your broken case fulfillment is not just a warehouse task, but a streamlined engine for growth. It allows businesses to leverage enterprise-level logistics engineering without the enterprise-level overhead.
Broken case fulfillment is the undisputed reality of modern supply chain management. It is a game of inches and seconds; saving just moments on a pick translates to massive scalability and faster delivery. Success lies in moving details with the same efficiency as bulk, blending data and technology for seamless fluidity.
Don't let logistics bottlenecks slow your growth. If you are ready to transform your fulfillment strategy into a competitive advantage, contact FLEX. Logistique today. Let us engineer the perfect workflow for you.
