Salem Reactor Back Online After Failed Bolts Repaired
Unit 2 at PSEG's Salem nuclear plant in New Jersey reentered service Monday after a maintenance outage that was extended following the discovery of damaged reactor coolant pump bolts.
Offline since April 12, the unit had reached 18 percent power as of Monday morning, according to the Nuclear Regulatory Commission. Eight turning vane bolt heads were removed from RCP piping and the reactor pressure vessel. PSEG told the South Jersey Times it believes they were weakened by intergranular stress corrosion cracking. Areva and Westinghouse inspected all four RCPs and made repairs using bolts with a different type of stainless steel.
Read More>>>>http://nuclearstreet.com/nuclear_power_industry_news/b/nuclear_power_news/archive/2014/07/15/salem-reactor-back-online-after-failed-bolts-repaired-071402.aspx#.U8aagRm5I7B
Offline since April 12, the unit had reached 18 percent power as of Monday morning, according to the Nuclear Regulatory Commission. Eight turning vane bolt heads were removed from RCP piping and the reactor pressure vessel. PSEG told the South Jersey Times it believes they were weakened by intergranular stress corrosion cracking. Areva and Westinghouse inspected all four RCPs and made repairs using bolts with a different type of stainless steel.
Read More>>>>http://nuclearstreet.com/nuclear_power_industry_news/b/nuclear_power_news/archive/2014/07/15/salem-reactor-back-online-after-failed-bolts-repaired-071402.aspx#.U8aagRm5I7B
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