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[Case Study] Energy-Efficient Industrial


Case Study - Atlanta, Georgia

Cold storage for a fast-growing market

Composite materials allow aerospace manufacturers to build aircraft that are lighter, stronger, and more fuel efficient than their counterparts made of metal. That’s because composites consist of strong carbon fibers embedded in resin-like material, making them more resistant to corrosion and fatigue-related failure. But processing composites is a tricky process—heat causes the unfinished material to degrade, so the material must be kept at extremely cold temperatures until it is formed and finished for assembly.
Web Industries, Inc. is the leader in formatting pre-impregnated composites for aerospace fabrication, and its Atlanta facility is the largest and most advanced composites formatting facility in the world. Web Atlanta specializes in producing spools of composite slit tape and ply kits. In order to create these products, the facility’s staff takes delivery of a particular composite material, stores it until it can be processed, and then either slits and spools the material into composite slit tape, or cuts and assembles the parts into ply kits.
After formatting, the products are refrozen and stored until they can be shipped to the end user, where they are used to manufacture composite aircraft and engine parts. When the composite materials aren’t being processed, they must be stored at the extremely cold temperature of -10 degrees Fahrenheit to prevent premature curing and extend shelf life.

“This is a solution that’s not just ours. This is a solution that’s required for the whole industry.”
Bob Scott, Process Engineer at Web Industries, Inc.

[Case Study] Energy-Efficient Industrial
[Case Study] Energy-Efficient Industrial

A full freezer is an efficient freezer

Due to dramatically increasing demand for composite products in the aerospace industry, Web Atlanta was projecting a fivefold increase in inventory over the next decade. Not only was the sheer volume of material increasing, but so was the complexity of the entire operation. As the business accepted new contracts, staff needed to devise and implement new procedures to fulfill them.
More freezer space was needed to ensure that materials could be kept accessible and organized as inventory increased. The executive team considered three options: they could build a new freezer with conventional push-back racking, rent storage space, or build a new freezer with movable racking similar to a system a Web Industries executive had seen in Europe.

[Case Study] Energy-Efficient Industrial

The most cost-effective option

A thorough analysis determined that building a new freezer and installing Spacesaver’s ActivRAC® Mobilized Storage System inside would be the most cost-effective option. That’s because the ActivRAC system allows the pallet racking to move on rails, eliminating empty aisle space and allowing more product to be stored in a smaller footprint. When staff need to retrieve items or place them in storage, they can open aisles at the point of need with the simple push of a button.
The team approached the local Spacesaver distributor to discuss purchasing an ActivRAC system, but at that time Spacesaver’s engineers weren’t sure it could operate at such cold temperatures. “We explained that this is a solution that’s not just ours,” said Bob Scott, Web Atlanta’s process engineer. “This is a solution that’s required for the whole industry. Anybody who uses thermoset prepreg composite material has the same problem of how to store it.”

Developing a solution

Spacesaver’s electrical engineering team quickly began working on a solution, creating a sophisticated new electronic control system to ensure that the ActivRAC would perform reliably in extreme cold. To test the new product, Spacesaver rented a freezer, installed an ActivRAC system inside, brought the internal temperature down to -20 degrees Fahrenheit, and tested the ActivRAC system through 50,000 cycles.
The research, development, and testing process took about a year. During that time, Scott and other Web Atlanta executives visited Spacesaver’s headquarters and manufacturing facility in Wisconsin. “Spacesaver took it upon themselves to do the research and development,” Scott said. “So when we started the discussions again, they had a tested solution that made us feel much more comfortable.”

“Spacesaver took it upon themselves to do the research and development. They had a tested solution that made us feel much more comfortable.”
- Bob Scott, Process Engineer at Web Industries, Inc.

[Case Study] Energy-Efficient Industrial

A model for the industry

Meanwhile, the local Spacesaver consultant worked with the Web Atlanta team to plan an ActivRAC system that would make the most of the facility’s new freezer space. The freezer measures 108’ by 37’ and has a volume of nearly 121,000 cubic feet—and although that’s certainly a large freezer, the space-saving ActivRAC allowed its footprint to take up half the space that had initially been considered. The Spacesaver consultant designed an ActivRAC system that had 11 aisles with 60 pallet positions per aisle, for a total of 660 pallet positions—twice as many as would be available in the same space with traditional stationary pallet racking.
The project was completed in July 2016. The freezer was brought down to temperature gradually to keep the concrete slab from cracking or buckling—first to 40 degrees and then down about 10 degrees per week.
Today, the ActivRAC system is functioning well, and the local Spacesaver distributor’s nearby location ensures prompt response to any service calls that might be required in the future. With a full staff of factory-certified installers and space planners at the ready, the local Spacesaver distributor is just a phone call away should Web Atlanta require routine maintenance, repairs, or an additional ActivRAC system to store the fast-growing company’s inventory.

Secure armory storage

In addition to the evidence storage, another important facet of the new building was secure armory storage. A combination of weapons
racks and pistol racks housed on four-post shelving created the ideal solution for the department. The depth of the racks were easily able to support all of the department’s active weapons—and in configuring the racks for two levels of storage, there was also enough room to store the department’s vintage collection of weapons. 
The integrated storage solution has allowed Bradford and his staff to spend more time on other things—namely, investigating crimes.
“As someone who is part of a small staff here, I double as a Crime Scene Investigator and Evidence Technician,” Bradford says, “So I
see first-hand how an organized long-term evidence storage solution benefits the other side of things. It makes our jobs a lot easier—
and a lot less time is wasted.”

[Case Study] Energy-Efficient Industrial

A specialized slab

Consisting of layers of concrete, foam, rebar, and heating coils—and requiring near-perfect levelness—the slab for this project required the skills of a highly qualified concrete contractor. Because more product means more weight, the slab under the ActivRAC had to be even thicker than a typical freezer slab. In addition, the ActivRAC’s rail system requires level floors to operate properly, so the floor surface could not vary in height by more than one-quarter of an inch over the entire 108’ x 37’ footprint of the freezer.

[Case Study] Energy-Efficient Industrial

ActivRAC helps reduce costs and improve efficiency.

ActivRAC is the industry leader in American-made mobilized pallet racking. Now with an advanced electronic control system that powers the system reliably in temperatures down to -20 degrees Fahrenheit, ActivRAC is the most cost-effective choice for composite manufacturers and other cold storage facilities.
Save space.

  • ActivRAC eliminates wasted aisle space, allowing more items to be stored in less space.

Reduce energy costs.

  • The ActivRAC system creates a smaller, more densely packed cooler or freezer.

Improve labor productivity.

  • By allowing 100% accessibility and a more compact storage area, ActivRAC eliminates unnecessary touches and reduces travel times between tasks.

ActivRAC®Mobilized Storage System eliminates empty aisle space, which offers these advantages:

  • More materials can be stored in a smaller footprint, reducing costs of construction and operation

  • High product density helps the freezer operate more efficiently, further reducing operating costs

  • Materials are accessible and organized, reducing storage and retrieval time

[Case Study] Energy-Efficient Industrial

Contact the cold storage experts

Spacesaver’s ActivRAC® Mobilized Storage System helps save space and improve efficiency in freezers and coolers of all sizes. Our local distributors offer space planning services and can consult with contractors and subcontractors regarding workflow processes, floor levelness, fire suppression, and other factors that affect the design and function of our storage systems. Our local distributors also offer product installation and long-term service by factory-certified technicians.

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