ML20217A014
| ML20217A014 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 03/31/1998 |
| From: | Gibson G, Williams C SOUTHERN CALIFORNIA EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9804220127 | |
| Download: ML20217A014 (9) | |
Text
.- - ;'
ss k 500lHERN CAUIORNIA W
EDISON
' Ar. UNSON MRQpMVM Compny April 14,1998 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555 Gentlemen:
Subject:
Docket Nos. 50-361 and 50-362 Monthly Operating Reports for March 1998 San Onofre Nuclear Generating Station, Units 2 and 3 Technical Specification 5.7.1.4 of Facility Operating Licenses NPF-10 and NPF-15 for the San Onofre Nuclear Generating Station, Units 2 and 3, respectively, requires Southern California Edison to provide a Monthly Operating Report (MOR) of operating statistics and shutdown experience, including documentation of all challenges to pressurizer safety valves, for each unit. Enclosures 1 and 2 provide the March 1998 Monthly Operating Reports for Units 2 and 3, respectively. There were no challenges to pressurizer safety valves for either Unit 2 or 3.
If you have any questions, please contact Mr. C. E. Williams at (714) 368-6707.
Sincerely, Gregory T. Gibson Manager, Compliance Enclosures cc:
E. W. Merschoff, Regional Administrator, NRC Region IV K. E. Perkins, Jr., Director, Walnut Creek Field Office, NRC Region IV J. W. Clifford, NRC Project Manager, San Onofre Units 2 & 3 J. A. Sloan, NRC Senior Resident inspector, San Onofre Units 2 & 3 980422o127 98o331
\\
PDR ADOCK 05000361 R
,h P. O. Ilox 128 San Clemente. CA 92674-0128
t NRC Monthly Operating Report, March 1998 San Onofre Nuclear Generating Station, Unit 2 l
r USNRC MONTHLY OPERATING REPORT.
Docket No:
50-361 SAN dNOFRE NUCLEAR GENERATING STATION Unit Name:
SONGS-2 UNIT 2 Date:
April 15,1998 March 1998 Completed by: C. E. Williams Telephone:
(714) 368-6707 Page 1 of 3 l
OPERATING DATA REPORT 1:14 Design Electncel Reting (Not MWe)M Z
?
!1070; ov
- m 2
Maximum Dependable Capacity (Gross MWe) 1127 "s1070:
137 Mommum Dependable Cepecity (Not MWe) '
r' This Month
- Yr-to-Date*
Cumulative
- F4}
Number of Hours in Period W 1744f '
? 2,160 (.
/128,161.1
~
j l
5 Number of Hours Reactor Was Critical 744 1,463 99,133
!. 6.
Hours Generator On-line 17449 11'~457s '
[97,5011 7
Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 8
- ,:
Not Electrical Energy' Generated (MWh):
L 809,296f
- 1,485,45i)
LiO2,688,480 l
- Rounded l
i l
USNRC MONTHLY OPERATING REPORT Docket No:
50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:
SONGS-2 UNIT 2 Date:
April 15,1998 March 1998 Completed by: C. E. Williams Telephone:
(714) 368-6707 Page 2 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS Number
- .105 (conbnued);
Date 980225 F'
Type (1)
^
Duration (Hours) 24.37 M:
Al Reason (2)L '
Method of shutting down reactor (3) 5 LER No.-
N/As System Code (4)
-m
- DRN Component Code (5):
Re air mo sture separator reheater Cause and corrective action to prevent recurrence d
(1) F-Forced S-Scheduled (2) Reason:
A-Equipment Failure (Explain)
B-Maintenance or Test c-Refueling D-Regulatory Restriction E-Operator Training & License Examinate l
F-Administrative G-operabonal Error (Explain)
H-Other (Explain)
{3) Method 1-Manual 2-Manual Scram 3-Automate Scram 4-continuabon from Previous Month 5-Reduction in the Average Daily Power Level of more than 20% from the previous day 6-Other (Explain)
(4) JEEE Std 8051964 (5) IEEE Std 803A-1983
USNRC MONTHLY OPERATING REPORT Docket No:
50-361 SAN O'NOFRE NUCLEAR GENERATING STATION Unit Name:
SONGS-2 UNIT 2 Date:
April 15,1998 March 1998 Completed by: C. E. Williams Telephone:
(714) 368-6707 Page 3 of 3
SUMMARY
OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event -
N4 0001l Mode 1, 50% reactor powerg 550 MWei t:mu 281.3, power ramp in i 1
progress following repair to MSR 2E-112 drain line?
Completed the retum to service of first point heater 2E037 after tube a
3/2/98 0022 repair.
07021 Unit reached 80% reactor power to ' support cuculatmg water heet treet.i 1445 Unit commenced reactor power increase to 100% at 5% per hour.
3/3/98 0100;.
Unit at 100% reactor power,1165 MWe;
~
4 3/31/98 2400 Mode 1,100% reactor power, MWe 1163, EFPD 310.
NRC Monthly Operating Report, March 1998 San Onofre Nuclear Generating Station, Unit 3 i
USNRC MONTHLY OPERATING REPORT Docket No:
50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:
SONGS-3 UNIT 3 Date:
April 15,1998 March 1998 Completed by: C. E. Williams Telephone:
(714) 368-6707 Page 1 of 3 OPERATING DATA REPORT 11 :
Demon ElectdcolRating (Not MWe);
- 10800 2
Maximum Dependable Capacity (Gross MWe) 1127
~<
'1080 13J Maximum Dependable Capacity (Not MWe)?
This Month
- Yr-to-Date* Cumulative *
?744L
.2,180; 3122,712?
4u Numberof Hoursin Penod 4
Number of Hours Reactor Was Critical 298 1,714 98,515 5
Hours Generator On-line ^
- 288:
1,704:
196,596l c,
6 Unit Reserve Shutdown Hours 0.0 0.0 0.0 7.-
Not Electncal Energy Generated (MWh) J 253,918.
i1,773,9574 100,377,411:
- Rounded
l USNRC MONTHLY OPERATING REPORT Docket No:
50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit 'Name:
SONGS-3 UNIT 3 Date:
April 15,1998 March 1998 Completed by: C. E. Williams
)
Telephone:
(714) 368-6707 1
Page 2 of 3 l
t 1
UNIT SHUTDOWNS AND POWER REDUCTIONS l
Number "96
^
r Date 980307
"~#
?4'
- S:
- Type (1)
?-
- 'x Duration (Hours) 455.47 Jt
_ W' #d#lT m W
EH (mid-cycle);
Reason (2);.
,e
+
I Method of shutting down reactor (3) 2 tm
- N/A=
l
'LER No.'
~ '
s System Code (4)
N/A Component Code (5):
dii wL
- N/A:
47 Cause and corrective action to prevent recurrence N/A (1) F-Forced S-Scheduled (2) Reason:
A-Equipment Failure (Explain)
B-Maantenance or Test C-Refueling D-Regulatory Restriction i
E-operator Training & License Examinabon i
F-Administrative G-opershonal Error (Explain)
H-other (Explain)
(3) Method 1-Manual 2-Manual Scram 3-Automatic Scram 4-Continuation from Previous Month 5-Reduction in the Averace D.ily Power Level of more than 20% from the preWious lay 6-Other (Explain)
(4) IEEE Std 805-1984 (5) IEEE Std 803A-1983 I
l
.,i USNRC MONTHLY OPERATING REPORT Docket No:
50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:
SONGS-3 UNIT 3 Date:
April 15,1998 March 1998 Completed by: C. E. Williams Telephone:
(714) 368-6707 Page 3 of 3
SUMMARY
OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event
'3/1/98 :
0001' Mode 1l99.7% reactor power!.1152'MWe,-219.4 EFPDf m;
Commenced power reduction to 80% at 10% per hour to perform 3/7/98 0200 circulating water system heat treat.
0400 Unit reached 80% power for circulatmg water system heat treat.j m
Commenced reactor shutdown for mid-cycle outage to inspect steam 0737 generators.
- 1134i, Main TurtuneLGenerator tripped, outage commenced.
1146 Reactor tripped.
4 1634; Unit entered Mode 4.
"/ m 3/8/98 0348 Unit entered Mode 5.
3/23/98 19281 Unit entered Mode 42 3/24/98 2130 Unit entered Mode 3.
^ 3/26/98 0008 Unit entered Mode 2.
^
0151 Unit reactor critical.
3/26/98 0828 Unit entered Mode 1.
1202 Main turbine synchronized to the grid, mid cycle nine outage complete.
3/29/98' 22150 Unit completed power ramp to 100%; 1158 MWo.
s4 3/31/98 2400 Mode 1,99.8% reactor power,1156 MWe,230.4 EFPD i