ML19290B633
| ML19290B633 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 11/26/1979 |
| From: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Counsil W NORTHEAST NUCLEAR ENERGY CO. |
| References | |
| NUDOCS 7912110060 | |
| Download: ML19290B633 (1) | |
Text
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o UNITED STATES
[ 'y 3 f, c ' g NUCLEAR REGULATORY COMMISSION
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631 PARK AVENUE
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KING OF PRUSSIA, PENNSYLVANI A 19406
- 'g Docket Nos. 50-245 50-336 50-423 Northeast Nuclear Energy Company ATTN:
Mr. W. G. Counsil Vice President - Nuclear Engineering and Operations P. O. Box 270 Hartford, Connecticut 06101 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,
~
~ Boyce H. Grier Director
Enclosures:
1.
IE Circular No. 79-23 2.
List of Recently Issued IE Circulars CONTACT:
S. D. Ebneter (215-337-5296) cc w/encls:
J. F. Opeka, Station Superintendent D. G. Diedrick, Manager of Quality Assurance J. R. Himmelwright, Licensing Safeguards Engineer K. W. Gray, Construction Quality Assurance Lead H. R. Nims, Director of Nuclear Projects 1555 161 d@
g 7912130
ENCLOSURE 1 UNITED STATES SSINS: 6830 NUCLEAR REGULATORY COMMISSION Accessions No:
OFFICE 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, Start rs 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 for retrofit and has retrofit kits available for field installation.
Based on the above, licensees are advised to verify all motor 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 Circular is required.
If you desire additional information regarding this matter, contact the Director of the appropriate NRC Regional Office.
Attachment:
Listing of Nuclear Plants 1555 162 DUPLICATE DOCUMENT Entire document previously entered into system under:
hh O ANO No. of pages:
.