ML19347B654
| ML19347B654 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 10/01/1980 |
| From: | Hunstad A NORTHERN STATES POWER CO. |
| To: | |
| Shared Package | |
| ML19347B651 | List: |
| References | |
| NUDOCS 8010150502 | |
| Download: ML19347B654 (9) | |
Text
{{#Wiki_filter:. NARRATIVE
SUMMARY
OF OPERATLNG EXPERIENCE DOCKET NO. 50-282 UNIT Prairie Island No. 1 DATE 801001 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTH September 1980 o The refueling outage continued this month. Ultrasonic examination of steam g generator support bolts revealed that most had crack indications. These o bolts will be replaced. Details are in R0-80-25. Startup is scheduled for 10-20-80. 4 -E It i i 1 seicis097 1
.d DAILY UNIT' POWER OUTPUT DOCKET NO. 50 282 UNIT Prairie Island No. 1-DATE euluul COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTH September 1980 DAY AVERAGE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net 4 1 -14 17 -3 2 ~ -6 18 -3 a ~ 3 -4 19 -3 4 -4 20 -3 5 -3 - 21 ' -3 6 -3 22 -3' 7 -3 .23 -3 8 -3 ' 24 -3 9 25 -3 10 -3 26 -3 11 -3 27 -3 ,12 -3 28 -3 1
- 13
-3 29 -3 14 3 30' -3 15 -3 31 16 -3 ~ Average loads. above 503 MWe-Net are due to cooler condenser circulating water. +. .+ ~ q e V w 9
OPERATING DATA REPORT DOCKET NO 50 282 DATE 801001 COMPLETED BY A. A. mmatad OPERATING STATUS TELEPHONE 612-388-4767 1. Unit Name: Prairie Island No. 1 2. Reporting Period: September 1980 3. Licensed Thermal Power (MWt): 1650 4. Nameplate Rating (Gross MWe): 593 5. Design Electrical Rating (Net MWe): 530 6. Maximum Dependable capacity (Gross MWe): 534 N 7. Maximum Dependable Capacity (Net MWe): $03 8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report: Give Reason: [ 9. Power Level To Which Restricted, If Any (Net MWe): 10. Reasons for Restrictions, If Any: This Month Yr-To-Date Cumulative 11. Hours In Reporting Period 720 6575 59543 12. Number Of Hours Reactor Was Critical 0.0 5256.4* 46464.8* 13. Reactor Reserve Shutdown Hours 0.0 0.0 5531.9 14. Hours Generator On Line 0.0 5246.5 45370.0 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 16. Gross Thermal lDiergy Generated (MWH) 0 8140749 70219743 17. Gross Electrical Energy Generated (MWH) 0 2493680 22647350 18. Net Electrical Energy Generated (MWH) 0 2327064 21166316 19. Unit Service Factor 0.0 79.8 76.2 20. Unit Availability Factor 0.0 79.8 76.2 21. Unit Capacity Factor (Using MDC Net) 0.0 70.3 70.7 22. Unit Capacity Factor (Using DER Net) 0.0 66.8 67.1 i 23. Unit Forced Outage Rate 0.0 3.2 12.6 24. Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Each): Refueling, September 1981, 6 weeks 25.; If Shut.Down at End Of-Report Period, Estimated Date of Startup: 801020
- includes corrections for previous error i
UNIT S!!UTDOWNS AND POWER REDUCTIONS DOCKET No. 50-282 ^"
- ^
REPORT MONTil September 1980 DATE 801001 COMPLETED BY A. A. Hunstad TELEP110NE 612-388-4767 [u Licensee ae o Cause & Corrective a c e4 Date O7 d '8 Event 3$ @m Action to N U.$ 3 I$ $ Report # $, O E$ Prevent Recurrence $E 5 555 a 0 aw yw g 5 4 S t. .800831 S-720.0 C 2 N/A N/A N/A Refueling 8-Si 5 n. F: Forced Reason Method: Exhibit G-In-S: Scheduled A-Equipment Failure (Explain) 1-Manual structions for B-Maintenance or Test 2-Manual Trip Preparation of C-Refueling 3-Automatic Trip Data Entry Sheets D-Regulatory Restriction 4-Other (Explain) ter Licensee Event E-Operator Training & License Examination Report (LER) File F-Administrative (NUREG-0161) C-Operational Error (Explain) 5 ll-Other (Explain Exhibit 1 - Same Source ~
O NARRATIVE
SUMMARY
OF OPERATING EXPERIENCE DOCKET NO. 50 306 UNIT Prairie Island No. Z DATE 801001 COMPLETED BY A. A. Hunsrad TELEPHONE 612-386-1/67 MONTH September 1980 o The unit was base loaded this month. The unit was taken off line at 1930 g on 9-4 to inspect steam generator support bolts as a result of inspection findings on Unit 1. Three of the 48 bolts were found cracked. The remain-e" ing bolts were detensioned and inspected. All support pads were provided E with at least 5 bolts which is sufficient for LOCA plus DBE loading. The unit was returned to service at 1935 on 9-13. 5 a. m 7 e i l 4 l l I l n n
1 -L. {. - l [- DAILY UNIT' POWER OUTPUT' ~ DOCKET NO. 50-306 UNIT Prairie Island No. 2. DATE 801001 COMPLETED BY A. A. Hunstad l TELEPHONE 612-388-4767 i-l l. . MONTH September 1980 l DAY AVERAGE' LOAD MWe-Net DAY AVERAGE LOAD MJe-Net- -{ l 502 17. 506 l-2 50'8 18: -505. 7 l -- 3 505 19 411 i l 4 397 20 497 -7 5 -13 21 507 6 -13 22 506 7 -12 23 511 .8 -4 24' 506-9 -4 25 508 10-e. -4 26 513 'll 27 510 ' 12. -6. 28 510 13 -4 - 29 506 14 -272 30 - 504 l -15 496' 31 16: -502 1 ' Aversge loads above 500 'fde-Net are due-to cooler condenser circulating water. m g y v,w e 7- --3-4pm --e,- y yy +
OPERATING DATA REPORT j DOCKET N3 50.,306 - DATE 801001 COMPLETED BY A. A. Hunstad OPERATING STATUS TELEPHONE 612-388-4767
- i. Unit Name:
Prairie Island No. 2 Notes 2. Reporting Period: September 1980 3. Licensed Thermal Power ('4Wt): 1650 4. Nameplate Rating (Gross MWe): 593 5. Design Electrical Rating (Net MWe): 530 6. Max 1mam Dependable capacity (Gross MWe): 531 N 7. Maximum Dependable Capacity (Net MWe): 500 g 8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report: E Give Reason: E O 9. Power Level To Which Restricted, If Any (Net MWe): $ 10. Reasons for Restrictions, If Any: i This Month Yr-To-Date Cumulative l 11. Hours In Reporting Period 720 6575 50661 12. Number Of Hours Reactor Was Critical 510.3 5056.6 44185.4 13. Reactor Reserve Shutdown Hours 0.0 89.4 1495.4 14. Hours Generator On Line 503.9 4978.4 43379.4 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 16. Cross Thermal Energy Generated (MWH) 798260 7870392 67542895 17. Gross Electrical Energy Generated (MWH) 261260 2535730 21589860 18. Net Electrical Energy Generated (MWH) 242891 2368642 20207374 19. Unit Service Factor 70.0 75.7 85.6 20. Unit Availability Factor
- 10. 0 75.7 85.6 21.
Unit Capacity Factor (Using MDC Net) 67.5 72.1 79.8 22. Unit Capacity Factor (Using DER Net)_ 63.7 68.0 75.3 23. Unit Forced Outage Rate 0.0 0.5 4.4 24. Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Each): Refueling, January 1981. 6 weeks 25. If Shut Down at End Of Report Period, Estimated Date of Startup: l-i
.c UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50- 306 UNIT NAME Prairie Island No. 2 REPORT MONTH September 1980 DATE 801001 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 o['u Licensee u Cause & Corrective -4 e m g s, 'Date E. O12 Ji 3 Event 4l @ u, Action to u [2 N$ l! U $ Report # $0 8 4l Prevent Recurrence Av SEN a O gm 3 { ~r o 5 ci 800904 S 216.1 F, B 2 80-25 CC XXXXXX Shutdown to inspect steam N generator support bolts. 5 m F: Forced Reason Method: Exhibit G-In-1 S: Scheduled A-Equipment Failure (Explain) 1-Manual structions for B-Maintenance or Test 2-Manual Trip Preparation of C-Refueling 3-Automatic Trip Data Entry Sheets R D-Regulatory Restriction 4-Other (Explain) for Licensee Event E-Operator Training & License Examination Report (LER) File F-Administrative (NUREG-0161) G-Operatiunal Error (Explain) 5 H-Other (Explain Exhibit 1 - Same Source m -
4 OPERATING DATA REPORT - C)PJECTED - DOCKET NO 50- 282 DATE 801001 i COMPLETED BY OPERATING STATUS TELEPHONE-~A. A. Hunsta t;12-388-4 767 1.. Unit Name: Prairie Island No. 1 2. Reporting Period: August 1980 - Notes 3. Licensed Thermal-Power (MRt): 1650 4. Nameplate Rating (Gross MWe): 593 5. Design Electrical Rating (Net MWe): 530 6. Maximum Dependable Capacity (Gross MWe): 534 d 7. Maximum Dependable Capacity (Net MWe): 503 8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report: E Give Reason: 4 [ 9. Power Level To Which Restricted, If Any (Net MWe): 10. Reasons for Restrictions, If Any: This Month Yr-To-Date Cumulative 11. Hours In Reporting Period 744 5855 58823 l 12. Number Of Hours Reactor Was Critical 740.9 5256.4 46464.8 13. Reactor Reserve Shutdown Hours 0.0 0.0 -5531.9 14. Hours Generator On Line 740.8 5246.5 45370.0 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 16. Gross Thermal Energy Generated (M'JH) 904020 8140749 ,70219743 17. Gross Electrical Energy Generated (MWH) 259500 2493680 22647350 18. Net Electrical Energy Generated (MWH) 236799 2327064 21166316
- 19. Unit Service Factor 99.6 89.6 77.1 20.
Unit Availability Factor 99.6 89.6 77.1 21. Unit Capacity Factor (Using MDC Net) 63.3 79.0 71.5 22. Unit Capacity Factor ~(Using DER Net) 60.1 75.0 69.5 23. Unit Forced Outage Rate 0.0 3.2 12.6 24. Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Each): 25. If Shut Down at End Of Report Period, Estimated Date of Startup: ,}}