ML17258A975: Difference between revisions
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( ~W ROCHESTER GAS AND ELECTRIC CORPORATION o 89 EAST AVENUE, ROCHESTER, N.Y. 14649 JOHN E. viA IER TCI,CPHDVC VICE PRESIDENT ARCA CddC TIC 546-2700 March 17, 1981 Mr. Boyce H. Grier, Director U. S. Nuclear Regulatory Commission 4EI(pg ~ | |||
Cffice of Inspection and Enforcement Region I "ie ~~~P~98]m O)AIIIi 3 | |||
631 Park Avenue King of P russia, Pennsylvania 19406 'v cn | |||
==Subject:== | ==Subject:== | ||
IE Bulletin 81-01, "Surveillance of Mechanical Snubbers" | |||
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R. E. Ginna Nuclear Power Plant, Unit'll Docket No. 50-244 | |||
==Dear Mr.Grier:== | ==Dear Mr. Grier:== | ||
In response to Inspection and Enforcement Bulletin 81-01 dated January 27, 1981, concerning failures of mechanical snubbers, the follow-ing information is provided.Ginna Station has no INC mechanical snubbers.Action items 1 and 2, therefore, do not pertain to Ginna Station.There is one Pacific Scientific Company mechanical snubber installed on a safety-related system at Ginna Station.It.is a model PSA-3 and is installed on the B steam generator blow-down line.It is located inside containment and is not normally accessible during reactor operation. | |||
A'dditional Pacific Scientific snubbers are presently in storage and are planned to be installed on safety-related systems.Each of the Pacific Scientific snubbers was subjected to a final functional test prior to shipment to verify that drag forces were within the specified range.The installed snubber has been in service only since last November.Freedom of movement is required of each snuboer to enable ins tallation. | In response to Inspection and Enforcement Bulletin 81-01 dated January 27, 1981, concerning failures of mechanical snubbers, the follow-ing information is provided. | ||
As described in the subject bulletin, the installed PSA-3 snubber will be visually examined and manually tested during'he spring 1981 refuel-ing outage.The mechanical snubbers in storage will be examined as pre-scribed prior to installation. | Ginna Station has no INC mechanical snubbers. Action items 1 and 2, therefore, do not pertain to Ginna Station. There is one Pacific Scientific Company mechanical snubber installed on a safety-related system at Ginna Station. It. is a model PSA-3 and is installed on the B steam generator blow-down line. It is located inside containment and is not normally accessible during reactor operation. A'dditional Pacific Scientific snubbers are presently in storage and are planned to be installed on safety-related systems. | ||
The results of the inspection of the installed mechanical snubbers will be submitted within 60 days after completion. | Each of the Pacific Scientific snubbers was subjected to a final functional test prior to shipment to verify that drag forces were within the specified range. The installed snubber has been in service only since last November. Freedom of movement is required of each snuboer to enable ins tallation. | ||
810424088 I | As described in the subject bulletin, the installed PSA-3 snubber will be visually examined and manually tested during'he spring 1981 refuel-ing outage. The mechanical snubbers in storage will be examined as pre-scribed prior to installation. | ||
The results of the inspection of the installed mechanical snubbers will be submitted within 60 days after completion. | |||
Very truly yours, o n E.Maier Subscribed and sworn to me on this 17th day of March 1981.GARY L'EISS IIOTARY PUBLIC, State of II.Y.Monroe Co.rpy Commission Expires ipsrch 30, 19;p"/cc: Mr.Victor Stello, Jr., Director U.S.Nuclear Regulatory Commission Office of Inspection and Enforcement Washington, D.C.20555 J' | 810424088 I | ||
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ROCHESTER CAS AHO ELECTRIC C ..P. SHEET phIO. 2 oATE March 17, 1981 Mr. Boyce H. Grier, Director To assist in evaluating the value/impact of each Bulletin on licensees, manpower expended in conduct of the review and preparation of this report is approximately six manhours. Manpower expended for any needed corrective actions will be provided in the report on the results of the inspections. | |||
Very truly yours, o n E. Maier Subscribed and sworn to me on this 17th day of March 1981. | |||
GARY L'EISS IIOTARY PUBLIC, State of II. Y. Monroe Co. | |||
rpy Commission Expires ipsrch 30, 19;p"/ | |||
cc: Mr. Victor Stello, Jr., Director U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement Washington, D. C. 20555 | |||
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Revision as of 18:13, 29 October 2019
| ML17258A975 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 03/17/1981 |
| From: | Maier J ROCHESTER GAS & ELECTRIC CORP. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| IEB-81-01, IEB-81-1, NUDOCS 8104240321 | |
| Download: ML17258A975 (4) | |
Text
)~ ~ O i' 0 g$ '.Sld'vl'i/,lI"j,litl.i~~lI'/I
( ~W ROCHESTER GAS AND ELECTRIC CORPORATION o 89 EAST AVENUE, ROCHESTER, N.Y. 14649 JOHN E. viA IER TCI,CPHDVC VICE PRESIDENT ARCA CddC TIC 546-2700 March 17, 1981 Mr. Boyce H. Grier, Director U. S. Nuclear Regulatory Commission 4EI(pg ~
Cffice of Inspection and Enforcement Region I "ie ~~~P~98]m O)AIIIi 3
631 Park Avenue King of P russia, Pennsylvania 19406 'v cn
Subject:
IE Bulletin 81-01, "Surveillance of Mechanical Snubbers"
~
R. E. Ginna Nuclear Power Plant, Unit'll Docket No. 50-244
Dear Mr. Grier:
In response to Inspection and Enforcement Bulletin 81-01 dated January 27, 1981, concerning failures of mechanical snubbers, the follow-ing information is provided.
Ginna Station has no INC mechanical snubbers. Action items 1 and 2, therefore, do not pertain to Ginna Station. There is one Pacific Scientific Company mechanical snubber installed on a safety-related system at Ginna Station. It. is a model PSA-3 and is installed on the B steam generator blow-down line. It is located inside containment and is not normally accessible during reactor operation. A'dditional Pacific Scientific snubbers are presently in storage and are planned to be installed on safety-related systems.
Each of the Pacific Scientific snubbers was subjected to a final functional test prior to shipment to verify that drag forces were within the specified range. The installed snubber has been in service only since last November. Freedom of movement is required of each snuboer to enable ins tallation.
As described in the subject bulletin, the installed PSA-3 snubber will be visually examined and manually tested during'he spring 1981 refuel-ing outage. The mechanical snubbers in storage will be examined as pre-scribed prior to installation.
The results of the inspection of the installed mechanical snubbers will be submitted within 60 days after completion.
810424088 I
"- l J"",~a
/ .
ip i V
'lg pg
~ N/
J
ROCHESTER CAS AHO ELECTRIC C ..P. SHEET phIO. 2 oATE March 17, 1981 Mr. Boyce H. Grier, Director To assist in evaluating the value/impact of each Bulletin on licensees, manpower expended in conduct of the review and preparation of this report is approximately six manhours. Manpower expended for any needed corrective actions will be provided in the report on the results of the inspections.
Very truly yours, o n E. Maier Subscribed and sworn to me on this 17th day of March 1981.
GARY L'EISS IIOTARY PUBLIC, State of II. Y. Monroe Co.
rpy Commission Expires ipsrch 30, 19;p"/
cc: Mr. Victor Stello, Jr., Director U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement Washington, D. C. 20555
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