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  • Megamix Extends Life of Water Treatment Plant; Saves Millions

    Georgia, USA

    December 14, 2011
    306,000 lbs. of Xypex Megamix ll were used to rehabilitate the Raccoon Creek Water Treatment Plant in Summerville, GA. An engineering study determined that the superior bonding, chemical durability, and high strength of Megamix ll would completely repair the structure’s deteriorated concrete and bring it up to EPA standards. The rehabilitation option was good economic news; its cost of $ 1.25 million was obviously preferred to the estimated $ 25 million to fully replace the structure. 

    This 50-year-old WTP was in fact so deteriorated because of years of chemical attack, it was questionable as to whether repair, instead of full replacement, was even possible especially in light of the ever-higher environmental demands. The engineering study was therefore necessary and Xypex Megamix ll was deemed the preferred option. Scheduling was an issue because the communities surrounding this facility (which processes 6 million gallons of water per day) were dependent on its continuous operation. Megamix ll made this possible, facilitating a three-phase construction schedule that enabled reconstruction without interrupting the water treatment process. Megamix ll was used specifically on the flocculation tanks and sedimentation basins. Megamix l and Xypex Concentrate were used on the exposed exterior walls and on the interior surfaces of the filter tanks. Xypex Concentrate and Modified were applied to the vertical surfaces and soffits of the numerous walkways and Xypex FCM 80 was applied to the top surface of walkways separating the individual tanks.