ML19262A780
| ML19262A780 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 11/26/1979 |
| From: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Lundvall A BALTIMORE GAS & ELECTRIC CO. |
| References | |
| NUDOCS 7912110027 | |
| Download: ML19262A780 (1) | |
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KING OF PRUSSIA, PENN3YLVANIA 19406 Docket Nos. 50-317 50-318 NOV 2 61979 Baltimore Gas and Electric Company ATTN:
Mr. A. E. Lundvall, Jr.
Vice President, Supply P. O. Box 1475 Baltimore, Maryland 21203 Gentlemen:
The enclosed Circular No. 79-23 is forwarded to you for information. No written response is required.
If you have any questions related to the subject, please contact this office.
Sincerely,
)
n Boyce H. Grier Director
Enclosures:
1.
IE Circclar No. 79-23 2.
List of Recently Issued IE Circulars CONTACT:
S. D. Ebneter (215-337-5296) cc w/encls:
R. M. Douglass, tanager, Quality Assurance L. B. Russell, Chief Engineer W. Gibson, General Supervisor, Operational QA R. C. L. Olson, Senior Engineer K. H. Sebra, Principal Engineer 1532 338 7 913110
ENCLOSURE 1 UNITED STATES SSINS: 6830 NUCLEAR REGULATORY COMMISSION Accessions No:
0FFICE OF INSPECTION AND ENFORCEMENT 7910250496 WASHINGTON, D.C.
20555 IE Circular No. 79-23 Date:
November 26, 1979 Page 1 of 1 MOTOR STARTERS AND CONTACTORS FAILED TO OPERATE Gould, Inc., Electrical Products Group, reported to the NRC on September 11, 1979 potential defects in certain NEMA size 3, Starters and Contactors.
A possible binding or seisure of the carrier assembly, within the support plate of the stationary contact assembly, is caused by an undersized dimension of the support legs.
Starters and contactors with date code 7822 to 7935, model and serial numbers A10, All, A12, A13, A14, A20, A21, A22, and P10 are involved.
Faulty units were manufactured and distributed between June 1, 1978 and August 30, 1979.
The attached listing of nuclear plants, which have received some of this motor control equipment, represents a preliminary check of shipment records.
This listing, however, may not be complete.
Gould, Inc., will recall uninstalled items fcr retrofit and has retrofit kits available for field installation.
Based on the above, licensees are advised to verify all cotor starter and contactor shipments received from Gould, Inc., between June 1, 1978 and August 30, 1979, and assure that applicable model and serial number components are corrected by retrofit and subsequent electrical operation tests.
No written response to this Circul a is required.
If you desire additional information regarding this matter, contact the Director of the appropriate NRC Regional Office.
Attachment:
Listing of Nuclear Plants DUPLICATE DOCUMENT Entire document previously entered into system under:
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9 No. of pages:
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