CoatingsPro Magazine

MAY 2017

CoatingsPro offers an in-depth look at coatings based on case studies, successful business operation, new products, industry news, and the safe and profitable use of coatings and equipment.

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The basin used at a food manufacturing facility for wastewater collection and disposal was in need of repairs. The concrete was cracking and deteriorating, and it would take six weeks total to complete the project. Feature 60 MAY 2017 COATINGSPROMAG.COM W BY STEPHANIE MARIE CHIZIK PHOTOS COURTESY SOUTHERN INDUSTRIAL LININGS, INC. W ith much of the substrate at 45 degrees, a delay that took the crew into colder and shorter days, and a pit full of silt, this wastewater treatment project could have fallen off the rails easily. It was up to Matthew Bloodworth, owner and president of Southern Industrial Linings, to keep it moving forward, and with his leadership, the 6- to 12-person crew completed the polyurea project to meet the scope of the contract — and then some. Covered in Sludge e client, a food manufacturing facility that wishes to remain unnamed, uses this 115,000-square-foot (10,683.9 m²) concrete basin to collect wastewater, aerate the wastes, such as fatty oils, and then spray what's left over into the adjacent hay fields. But after 30+ years of use, the concrete was showing signs of age. To solve the cracking and deterioration, the client looked to a coating system solution. In this case, the solution was Rhino Linings' 101 epoxy primer with aggregate and Extreme 11-50 polyurea. First, though, the basin had to be emptied. Enter the first of several challenges. "ey should have had that silt removed before we got there to start pressure washing," Bloodworth said. But on day one, when the crew arrived on site, the facility workers were still removing the silt from the bottom of the 26-foot-deep (7.9 m) basin. Getting the manager on board with getting the proper pump to remove the sludge delayed the project further, but the crew didn't waste time. ey started in on the prep at the higher portions of the basin that weren't still covered in sludge. It took the crew both 4,000 psi (27.6 MPa) pressure washing and scarifying these areas to remove the oils and other solids that had built up over time. "e pressure wash worked well in certain areas to clean the concrete, but on heav y areas, it didn't work well at all," Bloodworth explained. On those areas, they relied on scarifiers from Equipment Development Co., Inc. Pulling an Aeration Pond Project Out of the Pits! POLYUREA WASTEWATER/WATER CONCRETE

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