Pallet Storage and Picking Optimization Lecture Transcript

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(28:07): One is space because we got access on both sides. Second is the cost. This could cost a few hundred dollars per position because I have mobility inside the rack itself. What type of product should I put in? Pallet flow rack something where fi FO is a big deal. Also, I got to have several pallets on hand. If I've got a product and I only have one pallet on hand, what's the utilization of that lane? Terrible. Well, this is usually 3, 4, 5, up to 10 pallets on hand somewhere in there. Another option if I don't want the space on the front and the back, but I still want good use of the lanes and I don't want the operator moving inside. That rack is pushback rack here. (29:06): The operator puts a pallet in it pushes the other pallets back. If I take a pallet out, the other one's behind it come forward. That's why it's called pushback rack. What's the advantage? Every SKU has a pallet in the front position. I don't have space behind it. I've got good storage density and it's less expensive than gravity flow rack. This advantage I got picking and restocking going on at the same spot so I got that congestion. This comes from a pushback rack fender, so you got to take this with a little bit grain of salt, but you get a feel for just how much floor space you're picking up using a system like this as compared to single deep rack. Next on the dynamic side is mobile storage. Here the entire bay is moving. We're not moving product within the bay, we're moving the bay. I create an aisle where I need it. This aisle is created, so let's suppose I need product from Bay J, then I move H this way and I move I this way and now I can access aisle J. What's the advantage of working this way? (30:26): What portion of the floor space is devoted to aisles? 5%. What's the problem? Cost is one. Now you're in the four or $500 a position couldn't be accessibility. The product I always need is right here. The accessibility is not very good at all. Then when would I ever use it? Slow moving. Not many pallets on hand and the space is really expensive relative to the labor. So you'll see this in Japan and Europe much more than you will here in the states. And then there's cantilever rack that's used to store sofas, sheet metal bar stock, plywood where the load itself is going across several different positions and you can't have racking in the front otherwise you couldn't access the product. So the beams themselves are can cantilevered, cantilever off the main mast and the racking. (31:31): Now which type of racking should I use? Which one of those should I use? Very good. He said the key run the numbers. There's probably not one of those I should use. There's a mix of those. I should use a hybrid solution that probably is going to work best. It's probably a combination of single deep and pallet flow and pushback, et cetera, and I'm looking for that right mix. Let's take a quick trip through the vehicles and then we'll put all this together into a solution. So far all we've looked at are the storage systems. If you put the product in some single deep rack and you have no way of retrieving it, that doesn't do us any good, right? So a unit load storage

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