ML20128H829
| ML20128H829 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 02/11/1993 |
| From: | Cross J, Robinson W PORTLAND GENERAL ELECTRIC CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9302170174 | |
| Download: ML20128H829 (3) | |
Text
{{#Wiki_filter:, -a .Aa .2.+.2 .a. s o... J m4s.2%. L-i 3 5: 4 um g ortland General Electric Company P M James E. Cross -.. Vice President and Chief Nuclear Officer February 11, 1993. Trojan Nuclear Plant Docket 50-344 License NPF-1 U.S. Nuclear Regulatory Commission ~ Attn 1 Document Control Desk-Washington DC 20555
Dear Sirs:
t CancellationaL_Comitmenta -i Due to che permanent shutdown of the Trojan Nuclear Plant,-Portland General-Electric Company (PGE) is canceling several commitments that were made-based on the assumption of continued. operation. These commitments are. described on the attachment. PGE is continuing to review commitments made'to the Nuclear Regulatory. ' Commission (NRC). Additional commitments identified.that should be canceled or modified will be' the subject of future: correspondence. . Sincerely,- W ) S1 wzod W.!R.~ Robinson for-J. E. Cross Attachment c c: Mr. John ~B. Martin Regionni Administrator, Region V .U.S.'Nucient F.egulatory Commission Mr. David Stewart-Smith State of:. Oregon. Department of Energy --Mr. k'enneth Johnston NRC. Senior Resident-Inspector Trojan-Nuclear. Plant H A -{ e0 g i 9302170174 930211 71 PDR - ~ ADO'.:K 05000344. t3 P' PDR' .._. CN Salmon Street, Portiand, OR 97204 -- i 503/464-8897 x
if" o -Document control-Desk'- Trojan Nuclear Plant-Docket 50-3441 February. 11, 1993-~ License-NPF-1 Attachment Page ILof 21 NUCLEAR REGULATORY COMMISSION (NRC) COMMI'1NENTS MING _CMCELID_ DUEL 0__THILIIRflANENT SIlUTDOWN Of_TROJM. A. Commitment In a letter dated April 30, 1992, Portland General Electric Company (PGE) committed to inform the NRC of the reeults of the management - review and the schedule'for approved actions resulting from.an-evaluation of design problems with the Containment Process and Effluent Radiation Monitor (PERM). Current _ Action The containment PERM is only required-to be operable for containment-isolat2on in Modes 1 through 4. Since Trojan has been. permanently. defueled, no further_ action will be taken on this issue.- B. Commitment In response to= concerns raiaed during NRC Inspection 50-344/92-07,- PGE committed to review the categorization of1the safety injection i (SI) accumulator check valves. This commitment was documented in NRC Inspection Report No.-50-344/92-07. Current Action The SI accumulators.are only required to be operable in ModesI ~,12, l ~ and 3. Since Trojan has.been permanently defueled, this review will cst be performed. C. Commitment In Licensee Event Report-(LER)'No.-92-10, " Low Temperature-Overpressure System. Design-Basis Requirements;Not Maintained Due 'to Breakdown in Configuration Management". PGE_ committed to: revise
- Design. Basis Documents to include critical parameters and key _
assunptions which needi to be maintained for 'the Low Temperature g Overpressure Protection (LTOP) functions and to revise.other licensing and design documenta as needed'. -Curren't Action Following the'removaltof fuel _from the reactor _ vessel, the-power-operated relief valves ' (PORVs) will.not be required byi.. Technical Specifications'to-be operable: therefore, these revisionst will. not-be made. i b Y.
c.'-
- s 4
~ Trojan Nuclear Plant Document Control: Desk. .c Docket 50-344- -February 11, 1993-License NPF-1:. 7 Page 2 of 2-D. - Cannitment In LER No. 92-10. " Low Temperature Overpressure System Design _ Basis:_ Requirements Not Maintained Due to Breakdown"in Configuration-Management",-PGE committed to determine what PORV system modifications,were required based on tests of the backup air 3 accumulators. Cn.rrent Acti2n Following permanent removal of fuel from the reactor vessel, the -.c PORVs will not be required by Technical Specifications to be operable;.therefore,;these modifications will not be made. E. Commitment In the response-to NRC Bulletin 88-08, " Thermal Stresses in Piping Connected to-Reactor Coolant Systems", PGE committed to provide a status to-the NRC of the long term solution to thermal-transients in'- piping connected to the Reactor Coolant System (RCS). Current Action Thermal transients are not a concern while shutdown. Since Trojan-has been permanently defueled and will not resume reactor power operation, no further actions wil1~be taken. ~ F. Cnmmitment In the response to a Notice of Violation dated March' 16,'1992,LPGEl committed to' centralize the event invsstigation process undertone: department. Current _ Action This action was completed with the-establishment of the Independent 1 Safety Review Group (ISRG).='Due to staff-reductionsiassociated vith ~ the permanent closure of Trojan, the ISRG is being eliminated.. Event. investigation teams w111'therefore be assigned from the available-fucility staff rather than a single department. BRH/bsh 7328W.0293- _}}