Stuffing 10 lbs of SKUs Into a 5 lb Bag

In my garage we seem to keep buying things and storing them but never seem to remove anything.  Once in a while I realize that some of the things stored there will never be needed or used. 

So too you see it in distribution centers where SKU growth has made it difficult to efficiently replenish, pick and manage inventory.  So what can we do about it?

A good first step is to understand the dimensions of our products.  At a minimum we should know the length, width, height and weight of the unit size we pick from whether it be cased or individual picks.  If you don’t know the SKU volumes then schedule an effort monthly to capture this information using a Cubiscan which you can rent or purchase. 

A close second step is to understand how fast our SKUs move.  Typically, you will want to look at a year’s worth of data so that you may account for any seasonality or for unnatural spikes in demand.  Understanding how fast your SKUs move allow you to store them in the right type of picking media (rack, shelving, pick modules or storage and retrieval systems such as carousels or more advanced systems such as mini-loads and AS/RS). 

It is wise to have assigned locations for your SKUs.  Assigning multiple SKUs to one large location often causes many issues:

·        Order pickers have difficulty finding the appropriate item to pick for the respective order. If you have item in cases that look alike only distinguishable by item number and they are collocated in the same SKU location, miss-picks will surely follow.  

·        Replenishment operators need to efficiently find and place the respective SKUs where they belong.  If it is difficult to know where to put it, operators will just use their best judgment.   A more systematic approach is necessary. 

·        Cycle counting is never a fun thing but imagine doing it with SKUs all mixed up in a collocated location?  Having to pick up unit picks and looking at code designations to get the correct SKU inventoried is expensive and a waste of labor.    

 
Curing these issues often is not an expensive proposition.  Rather it requires a little distribution center elbow grease.  Most Warehouse Management Systems homegrown or otherwise can handle assigning SKUs to what level you require.  SKUs can be measured and recorded for future slotting use.

Finally, SKUs that are seldom used or never used can be relocated to more remote areas of the distribution center to allow for the prime movers to be picked efficiently.

 

For more information from Greg, view his page at www.trifactor.com/greg 

“Waste Not Want Not”

Often we accept the waste in our packaging as the cost of doing business. For companies who are shipping a myriad of products, it’s tough to consistently select the most efficient shipping carton.  As a result:

·         We pay for cartons that are underutilized

·         We fill up the unused space with void fill that is not free

·         We use void fill machines that can be expensive to buy, service and maintain

·         The postage paid on the case is more than what it should be due to extra weight

·         We buy totes then use our associates to dump the contents out and transfer to a case using their intuition

Continuing on this course is an option to be sure.  However, in many packaging and shipping operations, we can improve on this waste by knowing the characteristics of what we are shipping.  The length, width, height and weight of our individual SKUs are crucial information.  Armed with this information, we can calculate the expected volume of a given order.  If we know the anticipated volume, we can select the right shipping container at the beginning of the picking process using carton weight calculations. The benefits include:

·         Potentially reduce the width of the case conveyor through the elimination of totes

·         Reduce or eliminate the void space in our shipping cartons

·         Reduce labor required to audit, transfer and process void fill

·         Reduce corrugated stock costs

·         Identify mis-picks through weight validation

 As we all know, there is continuous pressure on margins and a focus on waste may be the edge you need to reduce your unit costs. 

For more information from Greg, view his page at www.trifactor.com/greg

“Seeing the forest through the trees”

It is hard to see the forest through the trees sometimes.  In our world (Distributors and Manufacturers), the trees that block our view are the pressing demands on a Distribution or Plant Manager.  You all know them well as they are routine in nature:

·         Hiring enough and the right type of associates.

·         Making sure we are meeting our customer service expectations.

·         Keeping up with new products, new acquisitions and promises made by our sales force.

·         Finding the space to accommodate growing business requirements.

·         Adapting to increased e-commerce needs that accompany society’s changing purchasing behaviors.

When you are blocked by the trees, we all tend to handle these demands ourselves using the path of least resistance.  As our SKUs increase in volume and in number, it is easy to continue to find empty spaces, hire new people and do things the same way until it starts to affect our customers.  Once our customers become affected and the top and/or bottom line reduces, the praise you once received for doing more with less is replaced with questions about how you are going to fix it. 

Although the economic slowdown is continually in the news, I have met more than a few companies that are growing 10, 20 and 30 percent year over year.  Many of these companies do not employ the sophisticated metrics developed and available to larger companies so where do we begin?

An essential beginning is to understand our SKU’s (Stock Keeping Units).  It is valuable to know the dimensions of your product (length, width, height and weight).  Additionally, the same dimensions for the case we traditionally pick out of if other than case quantities.  Since most companies know their sales data, we look to understand the demand and the size requirements to store and pick. If you don’t have time to do this, hire someone to help you see the forest.   

Stepping back from tress, looking at your product speed, dimensions, replenishment requirements and future growth projections will allow you to redesign your picking operation to replenish less, travel less, use floor space better and reduce current and future labor. 

If you are blinded by the trees, hire a lumberjack to help you cut them down.

For more information from Greg, view his page at www.trifactor.com/greg