Chlorination System Upgrades in Sanibel, Florida

Construction of a new clearwell, electrical room and transfer pump station with facilities for H2S removal, including: Two CO2 storage tanks, one carbonic acid solution feed panel, two packed tower aerators (PTA) with blowers, capable of providing at least 95 percent H2S removal, three biotrickling filters (BTFs), capable of providing at least 97 percent H2S removal. Construction of a new bulk sodium hypochlorite chlorination system, including site stormwater system improvements, demolition of existing chlorine gas system equipment and demolition/abandonment of existing carbon dioxide feed piping, alterations to the existing chlorine gas building to house the new bulk sodium hypochlorite new BTF nutrient storage and feed systems, piping, appurtenances, electrical and instrumentation and control systems.