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8:31 a.m. July 30, 2013
TVA to Test New Emergency Notification System
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Sequoyah Nuclear Plant
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KNOXVILLE -- The Tennessee Valley Authority on Tuesday and Wednesday will be testing a new supplemental voice emergency notification system for notifying plant personnel at its nuclear facilities.
Similar to recently updated emergency sirens within the 10-mile notification area around the plants, the new voice system will be battery-powered, capable of operating for up to seven days, and mounted on metal poles that can withstand high winds.
The need for supplemental voice public address systems, which can operate independently of the normal power grid, became apparent during Japan’s Fukushima event. The Japanese facility lost all AC electric power for extended periods, and with it they lost their public address system, radios and cell phones. The result was a breakdown of plant-wide communications that endangered the safety of personnel.
A truck-mounted speaker system will be used to test the notification system in at least three locations on each site. Each test will consist of an audible tone and a pre-recorded voice announcement. If the tests validate the equipment can be heard by all populated areas at the plant, TVA will move forward with a permanent installation at all three TVA nuclear sites beginning in early 2014. The installed voice systems will operate independently of existing public address systems, and will be used only for emergencies.
Tests will occur Tuesday around Watts Bar Nuclear Plant from 8-10 a.m. EDT, and around Sequoyah Nuclear Plant from 1-3 p.m. EDT. Tests will be conducted around Browns Ferry Nuclear Plant on Wednesday from 11 a.m.-1 p.m. CDT.
Published July 30, 2013
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