TM 55-1930-209-14&P-1 Table 9-1.  Major Components of Chlorination System Component Quantity Function Location Chlorination unit 1 Generates and automatically Void 2 port maintains a hypochlorite solution for treatment of ROWPU product water entering drinking water tanks Chlorination unit 1 Holds hypochlorite solution, Void 2 port on holding (recycle) which Is circulated to the chlorination unit skid tank cell assembly by the inboard of brine tank recirculating pump, and provides chlorine to the metering pump Chlorination unit 1 Holds brine solution which Void 2 port on brine tank is automatically added to chlorination unit skid the holding tank by the outboard of holding brine pump when needed tank Chlorination unit 1 Holds acid which Is Void 2 port on acid tank used to remove cell chlorination unit skid assembly scale during outboard of holding scale flushing operation tank Chlorination unit 1 Recirculates solution from Void 2 port on circulating pump holding tank through cell chlorination unit skid assembly and back to holding tank Chlorination unit 1 Automatically provides Void 2 port on brine pump brine solution to the chlorination unit skid holding tank when needed Chlorination unit 1 Controls chlorination unit Void 2 port on control cabinet operation chlorination unit skid on top of power supply Drip pan sump 1 Discharges drainage Void 2 port outboard tank and pump from chlorination unit of chlorination unit directly overboard skid Metering pump 1 Injects measured amounts of Void 2 port on chlorine into ROWPU product inboard bulkhead water stream forward Chlorine sensor 1 Senses amount of chlorine Void 3 port in product being injected into ROWPU water overhead piping product water stream Metering pump 1 Starts and stops Void 2 port on inboard motor controller metering pump bulkhead forward Metering pump 1 Controls amount of chlorine Void 2 on inboard control unit being injected into ROWPU bulkhead forward product water by controlling metering pump operation 9-4