ML19325C535
| ML19325C535 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 09/30/1989 |
| From: | Ulmer E, Yundt C PORTLAND GENERAL ELECTRIC CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| CPY-240-89, NUDOCS 8910170019 | |
| Download: ML19325C535 (6) | |
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. Pirtland General Electric Company' f Trojan Nuclear Plant ;
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' Reinier, Oregon 97048 (503) $56-3713 =
October 6, 1989 CPY-240-89 j
US Nuclear: Regulatory Commission Document.' Control Desk-Washington, DC 20555 y
Gentlemen:
Monthly Operating Report In accordance with the Trojan Nuclear Plant Technical Specifications
-reporting requirements, the Monthly Operating Data Report is submitted for September, 1989.
Sincerely Y
C.
P. Yundt-General Manager CPY:sp Attachment c:.
Mr.' John B. Martin Regional Administrator, Region V US. Nuclear Regulatory Commission Mr. David Stewart-Smith Department of Energy State'of, Oregon Resident Inspector
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-TROJAN NUCLEAR PLANT Trojan Operating Report i
m September 1989
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OPERATIONS The plant began the month in Mode 1.
At the beginning of the month it was noted the frequency of draining and cooling the Pressurizer Relief Tank (PRT) had increased with time.
The source of leakage into the PRT was from one leaking Pressurizer Safety Valve and a E!
. leaking relief valve on the let down line.
Due to increasing leakage, the decision was made to shut the plant down for repair.
On September 8th,' while clamicide treatment of the "B" train Service Water system was in progress, a setpoint change was initiated on the "A"
train Residual Heat Removal (RHR) system rendering it inoperable. These two unrelated activities resulted in both trains of RHR being inoperable for approximately three hours. Upon recognition of the problem one train was restored to servica.
Long term corrective actions include-appropriate disciplinary actions for responsible personnel and extensive revamping of.the work control system.
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On September 9th, anomalous rod movement was observed during an 16C p' <
surveillance test of Power Range Nuclear Instrumentation. Troubleshooting revealed'the problem to be dirty contacts in a nuclear instrumentation bypass switch. -The contacts were cleaned, retested, and the system restored to
. service. The switch was replaced during the scheduled outage conducted to repair.the leaking safety valves noted.
- On: September 16th,- the plant entered the scheduled outage to repair the i
leaking Pressurizer Safety Valve and the leaking let down relief valve.
On' September 16th, the Pressurizer Safety Valves lift setpoints were tested.
-This was done in response to new industry information that indicated the old method of testing without loop seals could introduce an excessive error. One valve (PSV-8010B) did not lift at the required pressure.
The valve was reset and tested satisfactorily.
On September 18th, inspection of the screens around the Containment Recirculation Sump disclosed some openings (gaps) that were slightly outside of the acceptance criteria.
The gaps were evaluated and repairs conducted, On September 22nd, during routine maintenance to the reactor protection racks, it was realized that additional cleaning and maintenance was required. This comprehensive cleaning and maintenance extended the outage duration and revealed several-minor problems that have been subsequently resolved.
During Containment closeout activities it became obvious that additional work was required to correct the physical condition of Containment.
Extensive inspections and corrective actions were taken to identify and rectify materici deficiencies and cleanliness problems. This expanded job scope also contributed to the extended outage.
The plant ended the month in Mode 5, finishin; the outage work and making preparations for the Plant restart.
Trojan Excellence-Our Way of Doing Business
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P rtlind G<,noral ElectricI Nuclear Division I
MAIN"'ENANCE Significant maintenance-completed during this period includes:
l Repaired the leaking Pressurizer Safety and let-down relief, valves, i
Tested and reset Pressurizer Safety Valves in accordance with new.
-industry standards.
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Replaced.a nuclear instrumentation bypass. switch.
Repaired small gaps in the Containment Recirculation Sump Screen.-
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M ~{d APPROVED _
i Tlant CtMeral Manager.
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Trojan Excellence-Our Way of Doing Business s
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OPERATING DATA REPORT 50-344 E
DOCKET NO.
DATE _ne tnber, 1989 L
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COMPLETED BY. __F.
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Ulmer d
a TELEPHONE 5 0 3 - B M-3 713 '.
Ext.4495 I OPERATING STATUS i '
Trojan Nuclear Plant Notes
- f. Unit Name:
e
- 2. Reporting Period
- Seotember. 1989 3411
- 3. Licensed Thermal Power (MWt):
1216
- 4. Nameplete Rating (Gross MWe):
a 1130 4 -
- $. Design Electrical Reting (Not MWe):
1153 6, Maximum Dependable Capacity (Grom MWe):
1095
- 7. Maximum Dependable Capacity (Net MWe):
' 8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since I.ast Report. Give Reasons:
1 N/A l
- 9. Power Level To Which Restricted. lf Any (Net MWe):
- 10. Reasons For Restrictions.lf Any:.
L This Monah YrsoDete commistive i
720 6551 114671
- 11. Hours in Reporting Period 360.6 3281.5 70560.5
- 12. Number Of Hours Reestor Was Critieel 0
0 3387
- 13. Rosetor Reserve Shutdown Hours 360.4 3156.6 69691.5
- 14. Hours Generator On.Line.
0 o
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.151 Unit Reserve Shutdown Hous 1210074 10434943 222035943'
- 16. Gross Thermal Energy Generated (MWH) 17.' Geens Electrical Essesy Genemtod (MWH) 404570,_,
3513142 73042594 o
380243 17o67o7 6o174n67-L
- 18. Met Elsesrisal Energy Generated (WWM) 50.1 48.2 60.8 K
- 19. Unit Service Facto, 50.1 48.2
-63.6
- 20. Unit Availability Facto, 48.2 46.1 56.4
- 21. Unit Capaciay Factor (Using MDC Net)'
46.7 44.7 53.4
' 22',' Unit Capacity Festor (Using DER Net) 0 4.0 13.4
- 23. Unit Forced Ostsee Rate 24.- Shutdowns Scheduled Over Next 6 Months (Type. Dete and Duration of F.schi:
s L
October 3, 1989
- 25. If Shut Down At End Of Report Period. Estimated Date of Startup:
- 26. Units in Test Status (Prior to Commercial Operation):
Forecast Achiewd N/A N/A INITIAL CRITICALITY N/A N/A INITIAL ELECTRICITY N/A N/A COMMERCIAL OPERATION (4/77)
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AVERAGE DAILY l' NIT POWER LEVEL DOCKET NO: 50-344 l
UNIT: Tro$
DATE: October, 1989 COMPLETED BY J. J. Ulmer TELEFROKE: sos ssr,-t711 l
ext 4495 l
l MONTH September, 1989 DAY
- AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Nat)
(MWe-Net) l l,
1 1073 17
-36 2
1091 18
-20 3
1079 19
-13 f
4_
1083 20
-11 p;-
5_
1084 21
-11
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6 1080 22
-13 7
1085 23
-13 8-1075 24
-15 9
1079 25
-14 10 1081 26
-14 l
i 11 1078 27
-14 12 1076 28
-13 13-1073 29
-13
_14 1073 30
-12 l=
15 980 31 N/A
- 16
-32 INSTRUCTIONS On this format. 'ist the average daily unit power level in MWa-Net for each day in the reporting month.
Compute to the nearest whole megawatt.
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