1. Work includes cleaning and preparing the interior surfaces of the Dissolved Air Flotation (DAF) Thickener Tank 2 (east), also known as the Floatation Thickener (FT) tank. Penetrations from the equipment inside the tank were previously patched and welded and tested with water to verify no leakage. 2. Following the cleaning and preparing of the interior surfaces, the DAF thickener tank surfaces must be coated with an epoxy-based product to ensure it is water tight. The product must be suitable for intended use of municipal sanitary wastewater. Tank dimensions are approximately 39 feet long, 7.5 feet wide, and 8.5 feet tall. Inside the tank is also an alcove with a weir, to be coated. The top coating shall be 100% solids epoxy coating suited for wastewater storage and processing as specified in 09 91 00 Painting.
