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{{#Wiki_filter:.. THE CLEVELAND ELECTRIC ILLUMIN ATING COMPANY P o Box 5000 m CLEVELAND. oHlo 44101 e TELEPHONE (2161 E22-9800 e ILLUMIN ATING DLOG e 55 PUBLIC SoVARE Serving The Best Location in the Nation Dalwyn R. Davidson | {{#Wiki_filter:.. THE CLEVELAND ELECTRIC ILLUMIN ATING COMPANY P o Box 5000 m CLEVELAND. oHlo 44101 e TELEPHONE (2161 E22-9800 e ILLUMIN ATING DLOG e 55 PUBLIC SoVARE Serving The Best Location in the Nation Dalwyn R. Davidson VICE PRESIDE NT SYSTE V ESGINEERLNG AND CONSTRUCTION December 10, 1981 | ||
VICE PRESIDE NT SYSTE V ESGINEERLNG AND CONSTRUCTION December 10, 1981 | /, | ||
RECEIVED Mr. Robert L. Tedesco Assistant Director of Licensing g | |||
Assistant Director of Licensing | DEC2 8 TWI> ; | ||
Division of Licensing | Division of Licensing NEN W gegg U. S. Nuclear Regulatory Cccmission "gNM Washington, D. C. | ||
20555 4 | |||
Perry Nuclear Power Plant Docket Nos. 50-440; 50-441 Response to Request for Additional Information - | Perry Nuclear Power Plant Docket Nos. 50-440; 50-441 Response to Request for Additional Information - | ||
Instrument and Control Systems | Instrument and Control Systems | ||
==Dear Mr. Tedesco:== | ==Dear Mr. Tedesco:== | ||
In a {{letter dated|date=May 11, 1981|text=letter dated May 11, 1981}}, you requested additional in-formation in the form of four questions concerning Instrument and Control Systems. The answer to one of these questions is attached. The answers to the remaining three questions are not complete; however, we plan to discuss our progress on these questions with members of the Instrument and Controls Branch during the week of December 14. | |||
In a letter dated May 11, 1981, you requested additional in-formation in the form of four questions concerning Instrument and Control Systems. The answer to one of these questions is attached. The answers to the remaining three questions are not complete; however, we plan to discuss our progress on these questions with members of the Instrument and Controls Branch during the week of December 14. | |||
A target date for completion of the answers to these questions will be established during that meeting. | A target date for completion of the answers to these questions will be established during that meeting. | ||
Very Truly Yours, h | Very Truly Yours, h | ||
NRC Resident Inspector pol Si'o 8112290171 011210 PDR ADOCK 05000440 A | h Dalwyn n. Davidson Vice President System Engineering and Construction DRD: mlb Attachment cc: | ||
M. D. Houston G. Charnoff, Esq. | |||
NRC Resident Inspector pol Si'o 8112290171 011210 PDR ADOCK 05000440 A | |||
PDR | |||
420.04 | 420.04 Engineered Safety Features (ESF) Reset Controls (IE Bulletin 60-06) | ||
If safety equipment does not remain in its emergency mode upon reset of an engineered safeguards actuation signal, system modification, design change or other corrective action should be planned to assure that protective action of the affected equipment is not compromised once the associated actuation signal is reset. This issue was addressed in IE Bulletin 80-06. IE Bulletin 80-06 required that reviews be conducted to determine which, if any, safety functions might be unavailable after reset, and what changes could be implemented to correct the problem. With minor modifications the wording of the original Bulletin 80-06 is an appropriate basis for the current OL applicants to review their systems. | If safety equipment does not remain in its emergency mode upon reset of an engineered safeguards actuation signal, system modification, design change or other corrective action should be planned to assure that protective action of the affected equipment is not compromised once the associated actuation signal is reset. This issue was addressed in IE Bulletin 80-06. | ||
IE Bulletin 80-06 required that reviews be conducted to determine which, if any, safety functions might be unavailable after reset, and what changes could be implemented to correct the problem. With minor modifications the wording of the original Bulletin 80-06 is an appropriate basis for the current OL applicants to review their systems. | |||
Provide your response to IE Bulletin 80-06 with two exceptions. First, the 90-day 1imi t for response in Item 4 is not applicable. Second, your response should be in the form of an amendment to the FSAR. | Provide your response to IE Bulletin 80-06 with two exceptions. First, the 90-day 1imi t for response in Item 4 is not applicable. Second, your response should be in the form of an amendment to the FSAR. | ||
===Response=== | ===Response=== | ||
The reviews required by IE Bulletin 80-06 for USSS systems are being done on a generic basis as part of the LRG-II. Submittal of the results of this review will be in March 1982. | The reviews required by IE Bulletin 80-06 for USSS systems are being done on a generic basis as part of the LRG-II. | ||
Submittal of the results of this review will be in March 1982. | |||
The reviews required by the Bulletin have been completed for BOP systems. | The reviews required by the Bulletin have been completed for BOP systems. | ||
Four systems were found to have conditions in which equipment did not remain in the emergency mode when the isolation actuation signals are reset. Design changes will be made to alleviate the concerns identified in this review. | Four systems were found to have conditions in which equipment did not remain in the emergency mode when the isolation actuation signals are reset. Design changes will be made to alleviate the concerns identified in this review. | ||
_}} | |||
Latest revision as of 00:05, 20 December 2024
| ML20039C282 | |
| Person / Time | |
|---|---|
| Site: | Perry  |
| Issue date: | 12/10/1981 |
| From: | Davidson D CLEVELAND ELECTRIC ILLUMINATING CO. |
| To: | Tedesco R Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8112290171 | |
| Download: ML20039C282 (2) | |
Text
.. THE CLEVELAND ELECTRIC ILLUMIN ATING COMPANY P o Box 5000 m CLEVELAND. oHlo 44101 e TELEPHONE (2161 E22-9800 e ILLUMIN ATING DLOG e 55 PUBLIC SoVARE Serving The Best Location in the Nation Dalwyn R. Davidson VICE PRESIDE NT SYSTE V ESGINEERLNG AND CONSTRUCTION December 10, 1981
/,
RECEIVED Mr. Robert L. Tedesco Assistant Director of Licensing g
DEC2 8 TWI> ;
Division of Licensing NEN W gegg U. S. Nuclear Regulatory Cccmission "gNM Washington, D. C.
20555 4
Perry Nuclear Power Plant Docket Nos. 50-440; 50-441 Response to Request for Additional Information -
Instrument and Control Systems
Dear Mr. Tedesco:
In a letter dated May 11, 1981, you requested additional in-formation in the form of four questions concerning Instrument and Control Systems. The answer to one of these questions is attached. The answers to the remaining three questions are not complete; however, we plan to discuss our progress on these questions with members of the Instrument and Controls Branch during the week of December 14.
A target date for completion of the answers to these questions will be established during that meeting.
Very Truly Yours, h
h Dalwyn n. Davidson Vice President System Engineering and Construction DRD: mlb Attachment cc:
M. D. Houston G. Charnoff, Esq.
NRC Resident Inspector pol Si'o 8112290171 011210 PDR ADOCK 05000440 A
420.04 Engineered Safety Features (ESF) Reset Controls (IE Bulletin 60-06)
If safety equipment does not remain in its emergency mode upon reset of an engineered safeguards actuation signal, system modification, design change or other corrective action should be planned to assure that protective action of the affected equipment is not compromised once the associated actuation signal is reset. This issue was addressed in IE Bulletin 80-06.
IE Bulletin 80-06 required that reviews be conducted to determine which, if any, safety functions might be unavailable after reset, and what changes could be implemented to correct the problem. With minor modifications the wording of the original Bulletin 80-06 is an appropriate basis for the current OL applicants to review their systems.
Provide your response to IE Bulletin 80-06 with two exceptions. First, the 90-day 1imi t for response in Item 4 is not applicable. Second, your response should be in the form of an amendment to the FSAR.
Response
The reviews required by IE Bulletin 80-06 for USSS systems are being done on a generic basis as part of the LRG-II.
Submittal of the results of this review will be in March 1982.
The reviews required by the Bulletin have been completed for BOP systems.
Four systems were found to have conditions in which equipment did not remain in the emergency mode when the isolation actuation signals are reset. Design changes will be made to alleviate the concerns identified in this review.
_