Deluge Sprinkler System Timed Interval Operation Addition,

Deluge sprinkler systems for the load, assemble and pack facility on a portion of the Joliet Army Ammunition Plant are described. These systems protect the following people operated ammunition assembly machines people operated explosive material handling systems remotely controlled machines that load explosives into ammunition components. The systems installed at Joilet have electronic timers, fast acting pneumatic valves and back-up electronic circuitry to control the length of the deluge water flow. The systems can restart deluge water flow for a number of conditions. They have back-up fail-safe modes that allow for main power failure, air pressure and manual reaction to damaged equipment.