Headquarters Daily Report
MAY 24, 2002
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REPORT NEGATIVE NO INPUT
ATTACHED INPUT RECEIVED RECEIVED
HEADQUARTERS X
REGION I X
REGION II X
REGION III X
REGION IV X
PRIORITY ATTENTION REQUIRED MORNING REPORT - HEADQUARTERS MAY 24, 2002
Licensee/Facility: Notification:
Nuclear Management Company, Llc MR Number: H-02-0037
Point Beach 2 Date: 05/24/02
Two Rivers,Wisconsin
Dockets: 50-301
PWR/W-2-LP
Subject: Pressurizer Code Safety Valve Failed to Lift During Testing
Reportable Event Number: 38887
Discussion:
During testing, a Point Beach Unit 2 pressurizer code safety valve failed
to lift at the maximum test stand pressure of 2660 psig. The valve is a
Crosby, Model HB-BP-86 Type E, self-actuating spring type safety valve.
The vendor estimated that the actual lift pressure would have been 3530
psig, 1045 psig above the nominal setpoint pressure of 2485 psig. The
vendor determined that the cause of the setpoint change was due to the
spindle being engaged in the disc holder located within the valve. Proper
assembly of the valve requires that the spindle be inserted past the
threads of the disc holder until it turns freely. This was not performed
during the jack-and-lap evolution and was determined by the vendor to be
an isolated instance of human error.
Contact: Joelle Starefos, NRR/DRIP/RORP
(301) 415-1175
E-mail: jls1@nrc.gov
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