ML19253C697
| ML19253C697 | |
| Person / Time | |
|---|---|
| Site: | Humboldt Bay, Diablo Canyon |
| Issue date: | 11/26/1979 |
| From: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Crane P PACIFIC GAS & ELECTRIC CO. |
| References | |
| NUDOCS 7912110268 | |
| Download: ML19253C697 (1) | |
Text
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SulTE 202, WALNUT CREEK PLAZA e...e WALNUT CREE K, CALIFORNtA 94596 November 26, 1979 Docket Nos. 50-133, 50-275 50-323 Pacific Gas and Electric Company 77 Beale Street San Francisco, California 94106 Attention: Mr. Philip A. Crane, Jr.
Assistant General Counsel Gentlemen:
The enclosed Circular 79-23 is forwarded to you for your information.
No written response to this Circular is required.
If you have any questions related to the subject, please contact this office.
Sincerely, I(Y,, -gab R. H. Engelken Director
Enclosures:
1.
IE Circular No. 79-23 2.
List of Plants That May Have Received Defective Starter or Contactors 3.
List of Currently Issued IE Circulars cc w/ enclosures:
W. Barr, PG&E W. Raymond, PG&E 1540 146 R. Ramsay, PG&E, Diablo Canyon E. Weeks, PG&E, Humboldt Bay J. Worthington, PG&E 7912110
UNITED STATES SSINS No.: 6830
- 9' fiUCLEAR REGULATORY COMMISSION Accession ?!o:
0FFICE OF INSPECTION AND ENFORCEf1Ef1T 7910250496 WASHINGTON, D.C.
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flovenber 26, 1979 AJbJ u l.b IE Circular t'o. 79-23 MOTOR STARTERS AND CONTACTORS FAILED TO OPERATE Gould, Inc., Electrical Products Group, reported to the fiRC on Seotenber 11, 1979 potential defects in certain ?!Ef'A size 3, Starters and Contactors. A possible binding or seisure of the carrier assembly, within the suoport plate of the stationary contact assenbly, is caused by an undersized dimension of the supoort legs.
Starters and contactors with date code 7822 to 7935, rodel and serial numbers A10, All, A12, A13, Ala, A20, A21, A22, and P10 are involved.
Faulty units were nanufactured and distributed between June 1,1978 and August 30, 1979.
The attached listing of nuclear plants, which have received some of this motor control equipnent, represents a orelininary check of shionent records. This listina, however, nay not be comolete.
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 rotor starter and contactor shipments received from Gould, Inc., between June 1,1978 and August 30, 1979, and assure that applicable model and serial number conoonents are corrected by retrofit and subsequent electrical operation tests, fio written response to this Circular is required.
If you desire additional infomation regardinn this ratter, contact the Director of the appropriate NRC Regional Office.
1540 147
According.to a preliminary check of Gould's shipment records, the followin9 nuclear facilities have been shipped motor control equipment which could include one oC more defective NEMA Size 3 starters or contactors:
Purchase Date Facility Owner / Contractor Order Shipped Farley Nuclear Plant, Unit 1 Alabama Power FNP1-3676 7-21-78 Operation 8-77 Bechtel FilP2-131 7-20-78 FriP2-125B 4-24-79 Arkansas Nuclear Pit. One Unit 2 Arkansas Power & Light 6600-E2011-AC 12-18-78 Operation 12-77 Bechtel Rev. 1B Sharon Harris Nuclear Plt.
Carolina Power and Light fly-435120 7-31-79 Unit 1 Construction Ebasco 8-20-79 8-31-79 Zimmer fluclear Station Unit 1 Cincinnati G & E Z-50001 12-14-78 Construction Midland Consumers Power Co.
7220-E-7-AC Various Ship-Construction Bechtel ment in 78 & 79 Fermi 2 Nuclear Station Detroit Edison 1E-90235 8-14-78 Construction Sargent & Lundy Change Order 6 Beaver Valley Unit 2 Duquesne Light Co.
2BV-310 Various Ship-Construction Stone & Webster ment in 78 & 79 Clinton fluclear Station Units Illnois Power Co.
Contract K-2976 8-24-78 1&2 Construction Baldwin Assoc.
Wolf Creek Unit 1 Kansas Gas & Electric 10466-E-018-1 Various Ship-Construction Bechtel (SMUPPS) ment in 78 & 79 San Onofre Nuclear Gen. Sta 2/3 Limitorque 3A4777 12-26-78 Construction Kuosheng Nuclear Pwr. Sta. Units Taiwan Power Co.
9713-E-0003A 1-8-79 1&2 Construction Bechtel Bellefonte Nuclear Plant TVA 76K5-86242 Various Ship-Construction ment in 78 & 79 Watts Bar Units 1&2 TVA 74C5-84646 Various Ship-Construction ments in 78 &
79 Callaway Unit 1 Union Electric 10466-E-018-2 Various Ship-Construction Bechtel (SNUPPS) ments in 78 &
79 WPPSS fluclear Project Unit 2 WPPSS Contract "n.
Various Ship-Construction Burns & Roe 49 C/D 7 ments in 78
& 79 1540 148
IE. Circ'ular t'o. 79-23 Enclosure
- flovember 26, 1979 RECEllTLY ISSUED IE CIRCULARS Circular Subject Date of Issued to tio.
Issue 79-22 Stroke Times for Power 11/16/79 All Power Reactor Operated Relief Valves Operating Facilities and All Utilities Having a CP 79-21 Prevention of Unplanned 10/19/79 All holders of Power Releases of Radioactivity Reactor OLs and cps 79-20 Failure Of GTE Sylvania Relay 9/24/79 All utilities having a Type PM Bulletin 7305, Catalog CP SU12-11-AC With A 120V AC Coil 79-19 Loose Locking Devices on 9/13/79 All Power Reactor Ingersoll-Rand Pumps Operating facilities and all utilities having a CP 79-18 Proper Installation of 9/10/79 All Holders of a Target Rock Safety-Relief Power Reactor OL Valves or CP 79-17 Contact Problem in SB-12 8/14/79 All Power Reactor Switches on General Electric Licensees with a CP Company Metalclad Circuit and/or OL Breakers 79-16 Excessive Radiation Exposures 8/16/79 All Radiography To Members Of The General Public Licensees And A Radiographer 79-15 Bursting of High Pressure Hose 8/8/79 All Materials Priority I, and Italfunction of Relief Fuel Cycle and Operating
'lalve "0" Ring in Certain Self-Power Reactor Licensees Contained Breathing Apparatus 79-14 Unauthorized Procurement and 7/13/79 All Medical Licensees Distribution of XE-133 except Teletheraphy Medical Licensees and to all Radiopharmaceu-tical Suppliers 1540 149