ML20247B216
| ML20247B216 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 04/30/1989 |
| From: | Fay C, Krause C WISCONSIN ELECTRIC POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| CON-NRC-89-055, CON-NRC-89-55 VPNPD-89-271, NUDOCS 8905240054 | |
| Download: ML20247B216 (9) | |
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NARRATIVE
SUMMARY
OF OPERATING EXPERIENCE Docket No.
50-266 Unit Name Point Beach Unit 1 Date May 5, 1989 Completed By C. W. Krause Telephone 414/221-2001 Unit 1 began the report period in coastdown (core end-of-life) operations in preparation for the scheduled refueling and maintenance outage.
On April 2, 1989, at 2150 hours0.0249 days <br />0.597 hours <br />0.00355 weeks <br />8.18075e-4 months <br /> the turbine generator was removed from service and 18 minutes later the reactor was shutdown.
On April 12, 1989, during Appendix J containment leak testiny, charging system isolation check valve 1-370 was discovered
- +A leakage in excess of Technical Specifications.
In addition, two steam generator blowdown isolation valves 1-5958 and 1-5959 were discovered with leakage in excess of plant administrative limits.
Each of the valves was repaired.
Details of the tests and repairs will be reported in LER 266-89-002.
Sludge lancing was performed in both steam generators and inservice inspection eddy current examinations identified no significant tube degradation.
Other inservice inspection activities detected 24 areas of indication on the PlA reactor coolant pump casting.
The indications are currently being evaluated as to the origin and future disposition.
l Fuel movements have been completed.
Primary side outage activities completed during the period included the upgrade of reactor protection instrumentation, the replacement of some originally installed reactor protection BFD relays, and accident fan backdraft damper and ventilation system modifications.
Secondary side outage activities completed during the period included the high pressure turbine inspection, main feed flow transmitter replacement, 13.8 kV AC electrical distribution system upgrades, and the bearing replacement on service water pump P32D.
Many of the molded case circuit breakers identified to be within the scope of NRC IE Bulletin 88-10 were replaced.
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1
NARRATIVE
SUMMARY
OF OPERATING EXPERIENCE Docket-No.
50-301
. Unit Name Point Beach Unit 2 Date May 5, 1989 Completed By C.
W.. Krause Telephone 414/221-2001 Unit 2 began the period in a shutdown mode of operation.
Following the March 29, 1989, generator lockout event, the reactor was taken critical and remained ~in a hot standby condition.
The 2X01C main step-up transformer bushing was-replaced.
The transformer oil was filtered and the transformer completed a 48-hour " conditioning" period.
On April 2, 1989, the-generator. resumed power production.
The unit achieved full power the following day.' The unit continued at'that power level for most of the month ~
One significant load reduction occurred on~ April 22,'1989.
For 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> power production was stabilized at a reduced output to clean condenser waterbox tubes.
As a result of the cleaning, cor...nser tube fouling was reduced by a factor of 10.
There was no significant safety-related maintenance during the period.
i l
l
v 4
l%SCORSin Elecinc poe courm 1
231 W. MICHIGAN, P.O. BOX 2046, MILWAUKEE, WI 53201 (414)221-2345' f
(
VPNPD-89-271 NRC-89-055 l
e May 9, 1989 U. S. NUCLEAR REGULATORY COMMISSION Document Control Desk Mail Station P1-137 Washington, D.
C.
20555 Gentlemen:
DOCKETS 50-266 AND 50-301 MONTHLY OPERATING REPORTS POINT BEACH NUCLEAR PLANT, UNITS 1 AND 2 Attached are monthly operating reports for Units 1 and 2, Point Beach Nuclear Plant, for the calendar month of April 1989.
I Very truly yours, l
f-f?t,L C. W.
Fay Vice President Nuclear Power Attachments Copies to R. S.
Cullen, PSCW NRC Regional Administrator, Region III NRC Resident Inspector I
1
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