ML20236M347
| ML20236M347 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 06/30/1998 |
| From: | Johnston G, Kilgore D PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9807140031 | |
| Download: ML20236M347 (12) | |
Text
_ - _ _ . - _ _ - . _-_ _ _ - _ - - _ _ _ _ _ - _ _ _ _ _ _ - _ _ _ _ _ _ - - . _ . - - - _ - . _ _ . _ . . . - _ _ _ _ ___ _ ____-_-----__ __ _ __- -_____ ._
., ~. Peach Bottom Atrmic Power St:_ tion t~h #
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PECO NUCLEAR "!a:L7"""""
' A Unit of PECO Energy Delta. PA 17314 9032 737 45e 7034 July 3,1998 U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555 Docket Nos. 50-277 and 50-278 Gentlemen:
Enclosed is the monthly operating report for Peach Bottom Units 2 and 3 for the month of June 1998 forwarded pursuant to Technical Specification 5.6.4 under the guidance of Regulatory Guide 10.1, Revision 4.
Sincerely, Go on L. J hnst n 6/ T.
Director, Si e Engineering Peach Bottom Atomic Power Station GLJ/OL/ RAM /JC:dmkp /g Enclosures j cc: N.J. Sproul, Public Service Electric & Gas R. R. Janati, Commonwealth of Pennsylvania l R.I. McLean, State of Maryland H. J. Miller, Administrator, Region I, USNRC l l
A.C. McMurtray, USNRC, Senior Resident inspector I INPO Records Center J. Doering, PECO Nuclear, Vice President, Peach Bottom Atomic Power Station !
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. l bec: J. Lewis - SMB3-7-Peach Bottom Commitment Coonfinator 62A Chesterbrook Correspondence Control Program 61B Chesterbrook C. Lewis 62C Chesterbrook E. J. Cullen S23-1 '- Main Office M. E Wamer A4-1S - Peach Bottom
- G. D. Edwards ' 82A Chesterbrook J. G. Hufnagel 52A 5- Chesterbrook S. P. Focht, P.E. ANI S. Maingi . PA DER C. J. McDermott S131 - Main Office .
R. A. Kankus 62C Chesterbrook D. M. Kilgore SMB 2 9-Peach Bottom G. R. Rainey 63C-3 Chesterbrook G. L Johnston SMB3 Peach Bottom
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Paich Bottom Atomic Power Station Unit 2 June 1 through June 30,1998
- 1. Narrative Summary of operatino Experiences Unit 2 began the month of June at 95% core thermal power, limited by end-of-cycle coastdown.
I The Unit reduced power to 71% on June 1 following failure of a scram solenoid pilot '
valve (SSPV) which caused a sir,glo control rod to scram. The unit retumed to 93%
power on June 2 at 12:00, limited by end-of-cycle coastdown and the inserted control rod.
The Unit reduced power to 73% on June 2 to withdraw the control rod following repairs to its SSPV. The Unit retumed to 95% core thermal power on June 3 at 12:00.
The Unit reduced power to 65% starting at 01:00 on June 5 for on-line maintenance of the hydraulic control units, which eliminated the remaining SSPVs with potential problems. Power was further reduced to 37% at 16:00 on June 7 as a result of a recirc pump runback caused by electrical grid instability. Power retumed to 65% on June 8 at 10:00 to resume on-line maintenance. The Unit returred to 96% core thermal power on June 11 at 21:00 following the completion of maintenance.
Unit 2 ended the month of June at 88% power.
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Attachment to l
. Monthly Operating
, Report for June 1998 UNIT 2 REFUELING INFORMATION l
- 1. Name of facility:
Peach Bottom Unit 2 ~
- 2. Scheduled date for next refueling shutdown:
l Reload 12 is scheduled for September 30,1998.
. 3. Scheduled date for restart following refueling:
Restart following refueling forecast for October 30,1998. l 1
4 Will refueling or resumption of operation therefore require a technical specification change
- or other license amendment?
Yes if answer is yes, what, in general, will these be? 1
- 1. Wide Range Neutron Monitoring Modification to be installed during 2R12.
i 2.- Cycle 13 Safety Limit MCPR Technical Specification change.
l- 3. . Recirculating Pump Trip Modification to be installed during 2R12.
l 4. Main Steam Relief Valve (MSRV) testing change.
- 5. Scheduled date(s) for submitting proposed licensing action and supporting information:
, 1. . Wide Range Neutron Monitoring has been submitted.
, 2. Cycle 13 MCPR will be submitted 7/98.
l :
l 3. Recirculating Pump Trip has been submitted.
- 4. MSRV T/S change has been submitted.
- 6. Important licensing considerations assodated with refueling, e.g., rr % rent fuel design or supplier, unreviewed design or performance analysis methods, sigr9fi snt ct nges in fuel design, new operating procedures: I
- a. Preliminary reload will include 292 GE13 bundles. !
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Dockit No. 50-277 Attachment to Monthly Operating
. Report for June 1998 Page 2 UNIT 2 REFUELINQJNFORMATION (Continued)
- 7. The number of fuel assemblies (a) in the core and (b) in the spent fuel storage pool:
(a) Core - 764 Fuel Assemblies (b) Fuel Pool- 2720 Fuel Assemblies,52 Fuel Rods-
- 8. The present licensed spent fuel pool storage capacity and the size of any increase in licensed
. storage capacity that has been requested or is planned, in number of fuel assemblies:
The spent fuel pool storage capacity has been reticensed for 3819 fuel assemblies.
- 9. The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present capacity:
September 2002 without full core offload capability.
September 1998 with full core offload capability.
i.
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. .; ^ - Patch Bottom Atomic Power Sittion Unit 3 June 1 through June 30,1998
- 1. Narrative Summarv of Operatina Experiences Unit 3 began the month'of June at 100% power.
The Unit reduced power to 67% on June 7 at 16:00 as a result of a recire pump runback caused by electrical grid instability. The Unit retumed to 100% on June 9 at 03:00.-
4 The Unit reduced power to 75% starting on June 19 at 23:00 to perform reactor feed pump turbine testing. The Unit retumed to 100% on June 20 at 14:00.
Unit 3 ended the month of June at 100% power.
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. ,, " . Docket No. 50-278 Attachm nt to Monthly Operating
, Repod for June 1998 UNIT 3 REFUELING INFORMATION
- 1. Name of facuity:
Peach Botton Unit 3 i
- 2. Scheduled date for next refueling shutdown: '
Reload 12 scheduled for October 1,1999
- 3. Scheduled date for restart following refueling )
Restart following refueling scheduled for November 1,1999
- 4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?
Yes if answer is yes, what, in general, will these be?
i
- 1. Recirculating Pump Trip Mod $ cation to be installed during 3R12
- 5. Scheduled date(s) for submitting proposed licensing action and supporting information.
- 1. Recirculating Pump Trip has been submitted.
I B Important licensing considerations associated with refueling, e.g., new or different fuel design or i_ supplier, unreviewed design or performance analysis methods, significant changes in fuel design,
! new operating procedures:
(a) The 292 new 3R11 bundles are GE 13 design new to Unit 3
- 7. The number cf fuel assemblies (a) in the core and (b) in the spent fuel storage pool:
I l (a) Core - 764 Fuel Assemblies (b) Fuel Pool- 2777 Fuel Assemblies,16 Fuel Rods (292 new 3R11 bundles)
( one of the 2777 is a skeleton which contains less than a full complement of fuel rods)
- 8. The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been requested or is planned, in number of fuel assemblies:
The spent fuel pool storage capacity has been relicensed for 3819 fuel assemblies. !
Docktt No. 50-278 Attachm:nt to Monthly Operating Repod for June 1998
, Page 2 UNIT 3 REFUELING INFORMATION (Continued)
- 9. . The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present capacity:
September 2003 without full core offload capability.
September 1999 with full core offload capability.
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