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Article | June 29, 2011
Summer Garden Food unveils the 'secret sauce'
An Ohio sauce maker’s unconventional approach integrates a green manufacturing facility with an efficient filling and packaging line—and sales are up more than 15%.
Summer Garden Food Manufacturing (SGFM) is an innovator of premium and super-premium sauces, dressings, and toppings with distinctive flavor profiles. Now, the company has gained the technological capability to execute a highly efficient manufacturing and packaging operation that is on equal footing with its product quality.
The company’s new $12 million, 54,000-sq-ft facility in Boardman, OH, demonstrates that adopting unconventional plant operation technologies can deliver energy savings of 20% or more with an acceptable payback period and ROI. These results are achievable while automating package production operations to meet the growing demand for SGFM’s food products. With the new facility and production line, sales volume has surpassed previous annual growth rates of 15% annually. Pasta sauce production alone has reached 5 million units annually-exponential growth for a company with humble origins preparing spaghetti dinners for local churches.
SGFM has been meeting the increasing demand for its products while also saving tens of thousands of dollars annually in plant pumping, heating, and cooling costs, and by reducing water consumption. That’s only the beginning; further savings are anticipated with future additional refinements to the manufacturing and packaging operations.
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“We don’t look at ourselves as a distributor and food manufacturer,” says John Angelilli, the company’s CFO, COO, and sustainability officer. “We’re a culinary foods company that can control the R&D and the production, done in a way that is sustainable and repeatable. We had people willing to challenge the way things have always been done.”
SGFM is perhaps best known for its Gia Russa lineup of 250 items, from sauces to pasta. It also makes and packs sauces and dressings for customers including Guy Fieri and Mario Batali, and it ships to more than 8,000 grocery stores.
Higher volume, bigger needs
Rising up from its early local days, SGFM, under the leadership of Thomas Zidian, son of founder John Zidian, branched out into retail and distribution of branded products. It eventually outgrew its mostly manual operation. Besides U.S. expansion, SGFM was also growing a substantial private-label and contract packaging specialty foods and pasta business. As a result, the decision was made in 2006 to begin planning for a large manufacturing and packaging facility in Boardman.
That decision put SGFM at a crossroads. The company had to answer this question: How far do we want to push the envelope in designing the new manufacturing and packaging plant? At the time, SGFM was an essentially manual operation operating beyond capacity. With the automated plant it envisioned, it would be operating at 20% of capacity. The company made the commitment to go “all in” on the automated facility and push the design to the limit to stress both production and energy efficiency. The plant would become a LEED-certified (Leadership in Energy and Environmental Design) production and office facility. The company enlisted the help of Darrell Wallace as senior technical adviser for what would become a more than three-year project. Wallace is assistant professor in the Industrial and Systems Engineering Program at nearby Youngstown State University, and his background includes engineering food processing systems.
Wallace, with the help of graduate students at Youngstown State, worked with Angelilli and a multidisciplinary design team to set up the new plant. Wallace notes that SGFM’s decision to invest in a LEED-certified production facility is unusual, and two critical factors made the project successful. One was getting the right people from many different disciplines involved and the other was integrating LEED certification guidelines into the earliest phases of project design.
“The integrated design partnership, which included suppliers, made changes in conventional plant thinking and did things that hadn’t been done before,” Wallace explains. He describes this approach as the “secret sauce” to SGFM’s success. “They challenged the status quo of what some of these people had spent entire careers doing.”
The team included senior management, sales and marketing, and product R&D from SGFM. Also on board were equipment vendors, academic researchers, and architectural and construction specialists. The project received funding and additional guidance from the Mahoning Valley Economic Development Corp. and the State of Ohio Department of Development. The design team’s challenge was creating an automated production facility capable of producing diverse food products. The facility needed to be part of an integrated campus for product development, and also emphasize green manufacturing.
Products are formulated in SGFM’s culinary arts center, adjacent to the manufacturing plant. At the center, SGFM has created 325 distinctive product recipes and has another 50 in development.
In creating the line to package these products, SGFM turned to Arrowhead Systems (www.arrowheadsystems.com) to play a major role. Arrowhead provided line design services; the line conveyor, line controls, and the double-deck pasteurizer cooler; and installed a rebuilt depalletizer from Priority One, a division of Arrowhead. The line is laid out to enable future growth, says Jeff Kaplan, Arrowhead’s regional sales manager.
Sauces and other products created in the culinary arts center are mixed and fed into three 600-gal steam-jacketed kettles adjacent to the production area, setting the stage for a continuous filling and packaging operation. Each kettle draws tomatoes, tomato puree, water, and oil directly from bulk storage facilities. Garnishes are placed in the batch with stainless-steel totes utilizing bridge elevators.
Sauces and dressings are hot-filled at 180˚ in a piston filler from Elmar Industries Inc. (www.elmarworldwide.com). The line currently sends glass jars from Leone Industries (www.leoneindustries.com), ranging in height from 4” to 81⁄2” tall and in size from 12 oz to 24 oz, through at about 110 units/min. The filler can accommodate either glass or plastic jars. Christian Thomas, SGFM quality assurance manager, says the line could operate at speeds in excess of 220 units/min, fast enough to drive efficiencies and paced to control quality.
From the filler sections, product flows into a Mettler-Toledo (http://us.mt.com) Safeline metal detector, where rejects are captured in a SCADA system for quality analysis. Glass jars that pass inspection proceed into a crown capper, while plastic jars head for a Pack West (www.packwest.com) capper. Capped jars are conveyed to a Teledyne Taptone (www.taptone.com) closure inspection system. At the next stop on the automated line, the jars are gently and rapidly inverted in the upward position. “This is done to sanitize the headspace and inside lid with the 180-degree fluid,” Thomas notes. “It’s a quality step to ensure there are no mold/yeast spores in this area of the container that may cause fermentation.”
Next, all jars head for an Arrowhead pasteurizer/cooler table. The machine can pasteurize product in jars using tunnel pasteurization and to reduce the product temperature to less than 105˚.
Finally, the filled jars enter the label room for one last inspection on Teledyne’s Tap Tone 1000 equipment. Packages that pass inspection are conveyed through an inline labeler from Quadrel Labeling Systems (www.quadrel.com) before being drop-packed on equipment from Hamrick Manufacturing & Service (www.hamrickmfg.com) into cases erected and sealed using Little David equipment from Loveshaw (www.loveshaw.com).
How savings are achieved
SGFM’s operations go beyond the ordinary in green and cost efficiencies, and they come about by treating the building and production processes as a single integrated system. These efficiencies have generated the following savings: $12,000 annually in pumping, $30,000 a year in cooling, and a per-unit water consumption reduction of up to 75% for cooling operations.
Cooling cost savings are achieved when chiller water is cooled using a heat exchanger. Glycol is cooled in a proprietary system, using air from outside the plant, and piping from the pasteurizer cooler table sends warm water from the table for post processing. The team designed this complex but intriguingly simple sequence of events.
Other major innovations in designing the plant include the integration of processing cooling and HVAC systems, and the creation of a hybrid cooling system. Central to the hybrid heat recovery system is the addition of an evaporative-free cooler, which removes a significant amount of the process heat through evaporation. This approach requires far less electricity than comparable mechanical removal of heat through the cooler, the more common process in food-manufacturing facilities.
Elsewhere, Wallace worked with Arrowhead to change the spray nozzle configuration design parameters, which in turn reduced pressure by one-third on its pasteurizer cooler. With this enhancement, pumping energy was reduced by 30%.
SGFM’s facility and production operations deliver most of their efficiencies via heat recovery and insulation. For example, a system was developed to recapture heat waste from the pasteurization and cooling process and send it back into the plant. “We recover 300 to 500 BTUs per hour of waste heat, and that ended up being a significant cost savings,” Wallace notes.
Operations attract customers
Angelilli says SGFM has gained new customers because of its highly efficient, LEED-certified facility. One of them is Costco, for whom SGFM produces and distributes the Mario Batali line of sauces and related products in a club pack.
“I don’t believe we’d be doing business with Costco without this type of facility,” Angelilli says. “Retailers are greening up their supply chains, and they’re looking for this from their producers.”
SGFM and Wallace are continuing their collaboration to improve SGFM’s pioneering facility. One area of focus entails changing the dimensions of the packaging so it moves through production even faster. The hope is to reduce costs and improve energy efficiency.
“The overall efficiency of the building is incredibly high,” Wallace says. “As we’ve been told ‘You can’t do that’ by other people, John Angelilli has encouraged the innovation and taken some risks. In almost every case, it’s worked out well.”
With the new facility and production line, SGFM now has an operation worthy of the products going into its jars. Wallace observes, “Short of being a dairy, you do not see a plant that is this clean and energy-efficient in food processing.”
To which Angelilli concludes, “We were always good at the culinary arts and R&D. But for the company, this was the missing piece. We built not a plant, but a capability. Now we have an integrated group of food companies that can take the product from concept to consumer, and do quality control every step along the way.”
- »Loveshaw, An ITW Company
- »Mettler-Toledo Safeline
- »Quadrel Labeling Systems
- »Hamrick Mfg. & Service, Inc.
- »Arrowhead Systems, Inc.
- »Teledyne TapTone
- »Contract Packaging Inc.
- »Mettler Toledo, Inc.
- »William B. Rudow, Inc.
- »Arcanna, Inc.
- »Meat and Potatoes, Inc.
- »Davidon Industries, Inc.
- »Mettler-Toledo CI-Vision
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