AECM-88-0226, Monthly Operating Rept for Grand Gulf Nuclear Station,Unit 1 for Oct 1988

Monthly Operating Rept for Grand Gulf Nuclear Station,Unit 1 for Oct 1988

ML20206E263
Person / Time
Site:	Grand Gulf
Issue date:	10/31/1988
From:	Cesare J, Davant G SYSTEM ENERGY RESOURCES, INC.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
AECM-88-0226, AECM-88-226, NUDOCS 8811180023
Download: ML20206E263 (6)

Text

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Att:chment to AECM-88/0226 r .

DOCKET NO. 50-416 OATE 11/15/88  !

COM1LETED BY G. H._Davant  ;

TELEPHONE (601) 984-9234 OPERATING STATUS 1, Unit Name: GGNS UNIT 1 l Notes: l g

2. Reporting Period: October 1988 l l  !

3. Licensed thermal Power (MWt): 3833 MWt l l

4. Nameplate Rating (Gross MWe): 1372.5 MWe l l

5. Design Electrical Rating (Net MWe): 1250 MWe l l ,

6. Maximum Dependable Capacity (Gross MWe): 1190 MWe l l ,

7. . Maximum Dependable Capacity (Net MWe): 1112 MWe l l i

8. If Changes Occur in Capacity Ratings (Items NumbW 3 Through 7) Since Last f Repcrt. Give Reasons:

N/A  :

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9. Power Level To Which Restricted, If Any (Net MWe): N/A ,

10. Reasons For Restrictions, If Any: h7A l

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This Month Yr to Date Custulative  !

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11. Hours In Reporting Period 745 7,320.0 35,338.0 I l 12. Number of Hours Reactor Was Critical 726.8 7.0343 26,586.2 l l 13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 714.1 6,788.1 24,065.6 I l 15. Unit Reserve Shutdown Hours 0 0 0 [

! 16. Gross Thermal Energy Canerated (MWH) 2,615,367 24,949,722 80,926,819 f

17. Gross Electrical Energy Generated (MWH) 859,430 8,163,600 25,334,430 j l 18. Net Electrical Energy Generated (MWH) 824,940 7,839,991 24,140,748 l 19. Unit Service Factor 95.9 92.7 74.9 l j 20. Unit Availability Factor 95.9 92.7 74.9 i l 21. Unit Capacity Factor (USing MOC Net) 97.0 93.8 67.9 (

22. Unit Capacity Factor (Us.ng DER Net) 88.6 85.7 61.0 J 23 Unit Forced Outage Rate 4.1 5.7 6.5 t

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): i Begin refueling outage on 03/01/89 for an estimated duration of 47 days. [

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25. If Shut Down At End Of Report Period. Estimated Date of Startup: '

26. Units In Test Status (Prior to Commercial Operation).

Forecast Achieved f INITIAL CRITICALITY 08/18/82 INITIAL ELECTRICITY 10/20/84 i ComERCIAL OPERATION 07/01/85 l I

8811180023 081031 PDR ADOCK 05000416 R pm i

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Attachment to AECH-88/0226 DOCKET NO. 50-416 UNIT 1 DATE 11/15/88 COMPLETED BY G. H. Oavant TELEPHONE (601) 984-9234 MONTH October 1988 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 1196 17 1197 2 1202 18 1191 3 1213 19 1208 4 1213 20 1214 5 1225 21 1214 6 1225 22 1190 7 1216 23 1200 ,

8 1185 24 1212 9 1191 25 1206 10 545 26 1195 11 30 27 1138 12 716 28 944 13 1047 29 1205 14 964 30 1276 15 1194 31 1219 l 16 1201 4

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Attachment to AECM-88/0226y UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-416 - ~

UNIT NAME 1 DATE 11/15/88 COMPLETED BY G. H. Davant TELEPHONE (601) 984-9234 REPORT MONTH October 1988 I I I I I I l 1 I l l 1 l l l l 1 Method of I Licensee l l l Cause & Corrective  !

I No. I Date l Type lDurationi Reason IShutting Downl Event l System l Component i Action To I I I I (1) l Hours I (2) l Reactor i Report # l Code 1 Code  ! Prevent Recurrence l l l l l l l (3) l l (4) I (5)  !  !

l l 1 1 I I I I I I I I 88- 110/10/88l F l 30.9 i H I 3 l 88-019 i BG l LIC l The reactor automatically scrammedi 1 011 1  ! l I I I I I I on low water level when the HPCS I l l l 1 l l 1 l l l pump was secured following an i I i i l I I I i l I inadvertent initiation and l I I I l l l l l l l injection into the reactor vessel.1 1 1 l l 1 l l l l l The HPCS pump was manually securedl i I I i i l I l l l after an injection time of less l I l I I i  ! l l 1  ; than 15 seconds. The feedwater I I i i I i i l i I l flow was manually reduced when i I I l l l l l l l l reactor water level approached i I I I I i i i I I l the high level f, cram setpoint; 1 I l l l l l l l l l manual recovery was not sufficienti I I I I I I i l i l 1 1 2 3 4 F: Forced Reason: Method: Exhibit G - Instructions 5: Scheduled A-Equipment failure 1-Manual for Preparatico of Data (Explain) 2-Manual Scram Entry Sheets for Licensee B-Maintenance or Test 3-Automatic Scram Event Report (LER)

C-Refueling 4-Continued File (NUREG-0161)

D-Regulatory Restriction 5-Reduced load E-Operator Training & 6-Other Licensing Examination F-Administrative 5 G-Operational Error Exhibit 1-Same Source (Explain)

H-Other (Explain)

J16AECM88111002 - 5

Attachment to AECM-88/0226 .

UNIT SHUTDOWNS AND POWER REDUCTIONS D6CKET NO. 50-416 '

ONIT NAME 1 DATE 11/15/88 COMPLETFD BY G. H. Davant TELEPHONE (601) 984-9234 REPORT HONTH October 1988 I I I I i i i i i i l i Method of l Licensee i

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l I i j l l Cause & Corrective l I No. I Date l Type IDurationi Reason IShutting Down! Event i System ! Component l Action To l I i l (1) i Hours I (2) l Reactor i Report # l Code l Code l Prevent Recurrence l I l 1 1 I l (3) l l (4) l (5) l l l l 1 1 I I I I I I I l 88- 1 l l l l l l l l to maintain water level above the l l 011 l l l l l l 1 i 1 low Tevel scram setpoints when thel Icon't! l l l l l l l 1 HPCS injection was stopped. The l l l l l l l l l 1 l inadvertent HPCS actuation was l l l l l l l l l l ] caused by radio interference in l I l l l l l l l l l the aeea of the HPCS instrumenta- 1 I l l l I l l l l l tion. Radio use in this area had l I I I l l l 1 l l I never previously been prohibited. !

! l l 1 l l l l l l The area has now been designated l I I I I I l l l 1 I to preclude radio interference. 1 I I i i i l i l i I i i l i I I I I I I I I I I I I I I I I I I i 1 2 3 4 F: Forced Reason: Method: Exh"- t G - Instructions 5: Scheduled A-Equipment Failure 1-Manual for Prepa"ation of Data (Explain) 2-Manual Scram Entry $he ts for Licensee B-Maintenance or Test 3-Automatic Scram Event Report (LER)

C-Refueling 4-Continued File (NUREG-0161)

D-Regulatory Restriction S-Reduced load E-Operator Training & 6-Other Licensing Examination F-Administrative 5 G-Operational Error Exhibit 1-Same Source (Explain)

H-Other (Explain)

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l Attachment to AECM-88/0226 ,

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-416 ~

UNIT MAME 1 COMPLETED BY G. H. Davant DATE 11/15/88 '__

TELEPHONE (601) 984-9234 REPORT MONTH October 1988 I I I l l l l 1 l  ! l l 1 l l l l l Method of I Licensec i l l Cause & Corrective l l

l No. I Date i Type IDurationi Reason l Shutting Down! Event i System IComponent i Action To I 1 I I (1) i Hours I (2) l Reactor i Report # 1 Code I Code l Prevent Recurrence l l I l l l l 1 (3) I i (4) 1 (5) I .I I I I I I i 1 I I I l l l 88- 110/14/881 s 1 0.0 1 8 1 5 i MA l MA I MA l Power reduced to approximately I 1 012 I I I I I l l l l 605 for control rod pattern i i i  ! I i i i i l I adjustment and weekly control rod i I i l 1 1 I I I I I survelilances. I I I I I I I I I I I I l 88- 110/28/881 5 1 0.0 l B l 5 i NA I MA I NA l Power was reduced to approximately!

l 013 I I I l l l l l l 65% to reposition a control rod i I I I I I I I I I I which was inadvertently scrammed i I i  ! l l l 1 1 I I due to a faulty test switch; I I I I I I I I I I I weekly control rod surveillances l 1 l l 1 l l l 1 I l were performed at tiets time also. 1 I I I I I i i i i i i l i I I I I i l I i i l i I I I I I I I I i 1 2 3 4 F: Forced Reason: Method: Exhibit G - Instructions S: Scheduled A-Equipment Failure 1-Manual for Preparation of Data (Explain) 2-Manual Scram Entry Sheets for Licensee B-Maintenance or Test 3-Automatic Scram Event Report (LER)

C-Refueling 4-Continued File (NUREG-0161)

D-Regulatory Restriction 5-Reduced load E-Operator Training & 6-Other Licensing Examination F-Administrative 5 G-Operational Error Exhibit 1-Same Source (Explain)

H-Othar (Explain)

J16AECM88111002 - 7

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,b f4 G G W t JJ WSEY l20', a,ma Novembei 14, 1988 U. S. Nuclear Regulatory Comission Mail Station P1-137 Washington, D. C. 20555 Attention: Docurent Control Desk Gentlemen:

SUBJECT:

Grand Gulf Nuclear Station Unit 1 Docket No. 50-416 '

License No. NPF-29 Monthly Operating Report AECM-88/0226 In accordance with the requirement of Technical Specification 6.9.1.10, System Energy Resources, Inc. (SERI) is providing the Monthly Operating Report for Grand Gulf Nuclear Station Unit 1 for October, 1988 (attachment).

If you have any questions or require additional information, please contact this office.

Yours truly, JGC:rg Attachr.ent cc: Mr. W. T. Cottle (w/a)

Mr. T. H. Cloninger (w/a)

Mr. R. B. McGehee (w/a)

Mr.11. S. Reynolds (w/a)

Mr. h. L. Thomas (w/o)

Mr. H. O. Christensen (w/a)

Mr. Palcolm L. Ernst (w/a)

Acting Regional Administrator U. S. Puclear Regulatory Comission Region II 101 Marietta St., N. W., Suite 2900 Atlanta, Georgia 30323 Mr. L. L Kintner, Project Manager (w/a) l Office of Nuclear Reactor Regulation

, U. S. Nuclear Regulatory Comission l

Mail Stop 14320 Washingtor , D.C. 20555 pd J16AECNSS111002 - 1 ~ ^ D 23 I -'". " , ' * ' I ^ g