ML19323D013
| ML19323D013 | |
| Person / Time | |
|---|---|
| Site: | Perkins, Cherokee  |
| Issue date: | 04/29/1980 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Dail L DUKE POWER CO. |
| References | |
| NUDOCS 8005190532 | |
| Download: ML19323D013 (3) | |
Text
+g>"' "%o, 800519053b UNITED STATES
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h, y j NUCLEA_R REGULATORY COMMISSION
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w :p REGION 11 0
101 MARIETTA ST., N.W., SUITE 3100 g,.....
ATLANTA, GEORGI A 30303 In Reply Refer To:
APR 2 91980 RII:JPO 50-491, 50-492 50 _493,C50-4_8_8 '
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Duke Power Company ATTN:
L. C. Dail, Vice President Design Engineering P. O. Box 33189 Charlotte, NC 28242 Gentlemen:
The enclosed Circular No. 80-10, is forwarded to you for information.
If there are any questions related to your understanding of the suggested actions, please contact this office.
Sincerely, f.O'Reily/
aiEEE Director
Enclosures:
1.
IE Circular No. 80-10 2.
List of Recently Issued IE Circulars i
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APR 2 919e9 Duke Power Company cc w/ enc 1:
J. T. Moore, Proje*ct Manager' Post Office Box 422 Gaffney, South Carolina 29340 I
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SSINS No.: 6830 Accession No.:
UNITED STATES 8002280665 NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT t
WASHINGTON, D.C.
20555 April 29, 1980 IE Circular No. 80-10 FAILURE TO MAINTAIN ENVIRONMENTAL QUALIFICATION OF EQUIPMENT Description of Circumstances:
Carolina Power and Light recently reported that the wrong class of insulating material had been used at their H. B. Robinson Nuclear Plant when the motor leads of a containment fan cooler were reconnected. The motor leads had been disconnected durip- " e refueling outage to supply power to welding equipment.
When the motor leau_
ere reconnected, the wrong class of insulating material degraded the environmental qualification of the containment fan cooler motor.
A similar event, reported by Duquesne Light Company, occurred when a containment fan cooler motor was not installed with the proper cable insulation.
The NRC has previously issued IE Circular 78-08 and IE Bulletins 79-01 and 79-01B concerning environmenta l qualification of Class IE equipment. These Bulletins primarily address the environmental qualification of equipment as purchased and installed; however, the above events emphasize the importance of properly installing and maintaining environmentally qualified equipment.
Recommended Action for Licensee Consideration:
All holders of operating licenses or construction permits should recognize the potential for degradation of environmentally qualified equipment due to improper maintenance or improper use.
It is recommended that licensees review current maintenance procedures and administrative policies to ensure the following:
1.
Adequate administrative controls exist to ensure that equipment which is environmentally qualified is identified prior to maintenance.
2.
Maintenance procedures provide necessary instructions and precautions to ensure that the environmental qualification of equipment is not degraded when maintenance is completed.
3.
Maintenance personnel are adequately trained on environmental qualification requirements and the potential for equipment degradation from improper maintenance.
No written response to this Circular is required.
If you require additional information regarding this matter, contact the Director of the appropriate NRC Regional Office.
1
IE Circular No. 80-10 Enclosure April 29, 1980 RECENTLY ISSUED IE CIRCULARS Circular Subject Date of Issued to No.
Issue 80-10 Failure to Maintain Environ-4/29/80 All holders of a power mental Qualification of reactor OL or CP Equipment 80-09 Problems with Plant Internal 4/28/80 All holders of a power Communications Systems reactor OL or CP 80-08 BWR Technical Specification 4/18/80 All General Electric Inconsistency - RPS Response BWR's holding a power Time reactor OL 80-07 Problems with HPCI Turbine 4/3/80 All holders of a power Oil System reactor OL or CP 80-06 Control and Accountability 4/14/80 Medical licensees in Systems for Implant Therapy Categories G and G1 Sources 80-05 Emergency Diesel-Generator 4/1/80 All holders of a power Lubricating Oil Addition and reactor.0L or CP Onsite Supply 80-04 Securing of Threaded Locking 3/14/80 All holders of a power Devices on Safety-Related reactor OL or CP Equipment 80-03 Protection from Toxic Gas 3/6/80 All holders of a Hazards power reactor OL 1
80-02 Nuclear Power Plant Staff 2/1/80 All holders of Reactor Work Hours OLs, including research and test reactors, and cps 80-01 Service Advice for GE 1/17/80 All licensees of Induction Disc Relays nuclear power reactor operating facilities and holders of nuclear power reactor cps l
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