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July 15 , 2010 -

 

Logistics News: Thinking Sortation for Distribution? What it will the Costs Be?

Getting Early Cost Estimates from Vendors is Tough; We Offer Ranges by Throughput Levels



   
 


Cliff Holste, Materials Handling Editor

 
SCDigest Says:
 

There are many variables that go into the ultimate system price, and a huge variety of system options, from “a Chevy to a Cadillac,” as the saying goes.


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As the economy and distribution volumes expand, interest in sortation systems for distribution is also on the increase, according to many materials handling providers and consultants.

Sortation systems are integrated material handling systems that provide some level of automation of order picking, order consolidation and often truck loading processes. In the most typical example, cases are "batch picked" (see graphic below) on to a conveyor in a pick module, transported to a sorter, which sends each carton down the appropriate divert lane for customer pallet building or direct truck loading. The batch picking can provide significant labor efficiencies versus "discrete" order picking, and the sorter takes care of redistributing those batch picks to the proper order.

But what kind of investment does it take to implement a sortation system in a distribution center?

That's literally the million dollar question, and one materials handling vendors are generally reluctant to answer early in a sales cycle. In fairness to them, it isn’t easy to answer even at a "ball park range", for a variety of reasons.

There are simply so many variables that go into the ultimate system price, and a huge variety of system options, from “a Chevy to a Cadillac,” as the saying goes. Finally, there is a question of what assets a company brings to the table at the start. For example, does it have a Warehouse
Management System capable of supporting the new automated system? Or does the WMS have to be upgraded as well?

 


Despite all that, below is Supply Chain Digest’s guide to the range of sortation system pricing. It is a rough guide at best, but can offer a ballpark snapshot of what this type of technology costs. It is meant to reflect traditional sorters, not tilt-tray technology, which generally adds costs.

  

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The Low End - The Poor Man's Sorter: One low cost approach to sortation is to implement what SCDigest refers to as a "poor man's sorter," in which batch picking strategies are employed to reduce labor costs, but rather than automatic sortation, but a simple re-circulating loop off which operators pick cartons to pallets (see graphic below, and read Sorting Completed Picks for the Smaller DC

The Poor Man's Sorter

Source: Supply Chain Digest and Distribution Digest

 

Don't let the name fool you. This can be a very effective approach for companies that do not have enough volume (more than 10,000 or so cartons per day) to justify a fully automated sorter, and has in fact been used by many large companies in some operations.

Cost range: $250,000 to $350,000, including pick modules

 

Basic Automated Sortation System: Capable of handling some 20,000 cases per shift, a basic system would have conveyors from existing full case pick areas to lower speed pop-up wheel sorter with 12-15 diverts.

Cost range: $750,000 to $1.5 million

 

Medium Throughput System: Capable of handling perhaps 40,000 cartons per shift, this level system might include 2 two-level full case pick-to-belt modules; an automated print and apply labeling system, some split case picking support. and use a medium-speed shoe sorter with 12-15 divert lanes.

Cost range: $2-4 million

 

High Throughput System: Capable of handling perhaps 60,000 cases per shift, the high end system might include 3-4 two-level full case pick-to-belt modules or 2 three or four-level full case pick-to-belt modules, split case pick modules; automated label print and apply systems, and use a high speed shoe sorter with 24-48 diverts.

Cost range: $6-10 million

 

At mega-distribution centers found in large retailers some other operations, even higher end systems are often needed, with costs esclating proportionately.

There are many variables, and while the ranges provided are fairly broad, they at least give logistics managers some guidance as to what a sortation system for their operations might cost, and provide a range for some initial assessment about potential ROI and capital budgeting requirements.

Is this type of cost information helpful? Do our cost estimates square up with your experience? Let us know at the Feedback button below.

 

 

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