Kardex Remstar Scales Warehousing Operations for Growth with New Automation at DC Dental

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Batch picking orders utilizing a pick and pass fulfillment strategy with two new Kardex Remstar Shuttle XP VLMs, four Kardex Remstar horizontal carousels and carton flow rack; DC Dental has handled a 54% volume increase with 67% less labor and 73% floor space savings.

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A startup company founded in 2002, DC Dental has shaken up the dental supply industry with their commitment to value, delivery speed and high quality customer service. They are the fastest growing, full service dental supplier in the country, delivering competitively priced supplies to dental professionals in the mid-Atlantic region.

Using a flexible, client-oriented business approach they are able to create more personalized relationships with the dentists they serve. To support this, DC Dental inventories over 20,000 of the most commonly used dental products – from burs to bibs to curing lights - in their Baltimore, MD warehouse. Their success is dependent on getting the correct product from the warehouse to the dentist as quickly as possible while maintaining the best price.

DC Dental uses the latest warehouse and distribution technologies and innovative systems to keep efficiencies high and overhead low, allowing them to pass these cost savings along to their customers. They hit a bump in the road after a 2012 acquisition increased warehouse volume by 54% overnight. As their existing 30,000 square foot facility was quickly nearing capacity and product began to fill the aisles in the warehouse, Howie Friedman, CFO/COO, set out to find a solution. “We considered outsourcing to a 3PL, but it was important to us to keep distribution in house to ensure we maintain our customer commitments of speed and value that have made us successful,” said Friedman.

Not wanting to partner with a 3PL provider, Friedman narrowed in on automated storage and retrieval solutions to fill the gap between what people and software could accomplish. The integrated solution provided by Alternative Handling Technologies (AHT), a mid-Atlantic material handling company, utilizes a pick and pass fulfillment strategy with a 20 position batch cart that moves between three zones (zone one - two 21 foot tall Shuttle XP Vertical Lift Modules (VLMs), zone two – four 56 foot long horizontal carousels and zone three - carton flow rack), all managed by Power Pick Global inventory management software. Since the implementation, within that zone, DC Dental has handled a 54% volume increase with 67% less labor and 73% floor space savings.

Efficiencies Gained
The warehouse picks an average 2,500 lines per day to fill roughly 480 orders using only 4 order pickers (compared to 12 order pickers previously required). “The system has the ability to handle up to 3,500 lines per hour with our current labor resources, but we haven’t needed it yet,” says Friedman. Important for a fast growing company like DC Dental, the system is designed to handle extreme scale. “We could double in size and only need to add about 3 additional people in our warehouse,” said Friedman.

Due to productivity gains, DC Dental was able to extend order cutoff time by an hour. “Orders placed before 4:00 pm EST ship out the same day, furthering our commitment to our customers with even faster delivery,” said Friedman.

Using Space Savings as Justification
Using automated storage and retrieval systems, roughly 13,000 square feet of shelving was consolidated into 3,500 square feet, a 73% space savings. This recovered floor space allowed DC Dental to reduce the overall footprint of the facility from 30,000 square feet to 20,000 square feet. They resigned their lease, saving nearly $1 million dollars in rent and utilities over the next 10 years. Combining this savings with the 67% labor savings, ROI justification for this project was easy.

Fast & Accurate Orders
Using light directed technology for picking and putting activities in addition to a scan verification step has increased pick accuracy from 94% to 99.5%. The combination of these measures has created a strong image for DC Dental in the market place as a supplier that provides quick and accurate orders.

In addition, DC Dental installed cameras above each put station so that every single item put into a customer order is recorded. Cameras were also installed above the shipping stations, so each package is captured just prior to being sealed along with the shipping labels being applied. This provides great control and insight into the picking and shipping process. “When a customer called to say a box was damaged, I was able to pull up the entire 4 box order with just a few clicks to see what went wrong and quickly fix it,” said Friedman.

The Order Details
What sets DC Dental apart from the competition is the way they interact with their customers. Dentists can place orders in various ways – in person, over the phone, via email or online. However the order is placed, it comes into the inside sales group.

Once reviewed and approved by the inside sales group, the order is marked as pending fulfillment within the ERP system (NetSuite) and is ready for the warehouse to begin processing. The majority of orders are filled from the warehouse in Baltimore, MD.

NetSuite’s WMS first separates case picks from overpack picks. When a dentist orders a full case of product, it is filled from another zone within the warehouse – the case is picked, a label is applied and it is shipped. Case picks account for roughly 30% of all packages.

The rest of the order must be overpacked in corrugated boxes. NetSuite first determines the box size required for the order (small, medium or large), and depending on the order size, will split one order into multiple boxes when needed. The WMS then passes the box information to the inventory management system (Power Pick Global) for fulfillment.

Filling Orders
In the warehouse, replenishment is done each morning from 7:00 am to 10:00 am and order fulfillment starts at 10:30 am. Orders are fulfilled in batches of 20. The batch cart is designed to hold 20 boxes. An order operator sorts the waiting orders in Power Pick Global by box size and manually selects the first batch of orders (4 large, 10 medium and 6 small) to be filled.

All items required for these orders are stored in 3 pick zones – the VLM zone manages roughly 12,000 SKUs, the horizontal carousel zone manages roughly 7,000 SKUs and the carton flow zone manages roughly 850 SKUs.
After the order operator has selected the orders for the first batch, an order picker takes the batch cart to zone one – carton flow – where items are picked from the carton flow and put into the orders on the batch station to complete them. Picks in each zone are date and time stamped to provide traceability and accountability.

The order picker then moves the batch cart to the second zone – the horizontal carousels – and lines the batch cart up with the put lights. Similarly, with the click of a button, the 4 horizontal carousels spin to deliver the product required to the operator. Lights on the horizontal carousels direct the picker where and how many items to pick from the carousel and put lights in front of the batch station direct the operator where to put items. To ensure accuracy, the operator must scan verify the item as it is placed into the box on the batch cart to verify the correct item is placed into the correct order.

When all items required from the horizontal carousel zone have been filled, the operator moves the batch of orders to the third and last zone – the VLM zone – and lines the batch cart up to the put lights. With the click of a button, the 2 Shuttle VLMs start to deliver trays containing the required products to the operator. Directed by pick to light technology, the picker removes the item(s) from the VLM tray and turns to disperse them among the 20 orders on the batch cart as directed by the put lights. Once done, the operator confirms the put and the VLM lights up the next pick. The operator continues to pick form the 2 VLMs and put into the correct order on the batch cart until all items required from this zone have been picked and placed into the orders.

As soon as the last part is put into the order, Power Pick Global communicates the complete order to NetSuite WMS and the order is marked as shipped and the customer is invoiced, even before it physically arrives at shipping. When all of the orders in the batch are completed, the picker moves the batch cart to a waiting area. The order operator retrieves and delivers the batch cart of completed orders to shipping.

Orders are picked directly into boxes to eliminate the task of repacking. At shipping, the original pick label is scanned and an invoice is generated if required by the customer. Shipment tracking information is automatically sent back to NetSuite for reference.

Project Implementation
“The people at AHT took this project personally, our customers were their focus. Anytime we hit a bump in the road, they took ownership and worked with us to find a quick solution. There is a caring quality that’s hard to define but it’s essential to a major project like this and AHT has it,” said Friedman.

Summary
“Our innovate material handling strategy has influenced our reputation in the industry as a reliable, fast, customer centric dental supplier and has helped us obtain the rights to represent additional partners and product lines,” said Friedman.

Kardex Remstar, LLC, a company of the Kardex Group is a leading provider of automated storage and retrieval systems for manufacturing, distribution, warehousing, offices and institutions. For information about our dynamic storage solutions, call 800-639-5805, visit http://www.kardexremstar.com.

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Chelsea Tarr
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