A concrete bund area at the Tall Oil plant had deteriorated over time due to exposure to Sodium Hydroxide (NAOH), Black Liquor and occasional exposure to Sulfuric Acid (H2SO4). This led to the containment not draining correctly and the low areas of the surface allowing for standing puddles. The puddles allowed for a higher concentration of caustic, acid and black liquor—thereby creating a faster rate of concrete corrosion. If left unmitigated, the chemicals would penetrate the concrete and “wormhole” into the sub-grade soil. The tank curb had deteriorated as a result of a puddle forming against it, which might eventually result in corrosion of the tank floor from the outside-in. The client required that all work commence during normal operations so as to not impede production.