ML19339B578
| ML19339B578 | |
| Person / Time | |
|---|---|
| Site: | Dresden, Quad Cities  |
| Issue date: | 10/24/1980 |
| From: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Reed C COMMONWEALTH EDISON CO. |
| References | |
| NUDOCS 8011070281 | |
| Download: ML19339B578 (1) | |
Text
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i-UNITED STATES 8"
g NUCLEAR REGULATORY COMMISSION n
O REGION lli o,
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o GLEN ELLYN. ILLINOIS 60137 Docket No. 50-254 Docket No. 50-265; Docket No. 50-241; Commonwealth Edison Company ATTN:
Mr. Cordell Reed Vice President Post Office Box 767 Chicago, IL 60690 Gentlemen:
Enclosed is IE Supplement No. 3 to Bulletin No.79-01B.
This supplement clarifies two issues raised by Supplement No. 2.
These are (1) the sub-mittal of qualification information for equipment resulting from TMI Action Plan requirements and (2) the qualification of equipment which is required to achieve a cold shutdown condition. This action is a result of industry feedback to NRC regarding interpretation of Supplement No. 2.
The informa-tion presented is applicable to your submittal regarding environmental qualification of Class IE equipment which is required by November 1, 1980.
Should you have questions regarding this Supplement please contact this office.
Sincerely, Qs,.u.h bb iOc p
/ James G. Kepp er
Director
Enclosure:
IE Supplement No. 3 to Bulletin No.79-01B cc w/ enc 1:
Mr. J. S. Abel, Director Director, NRR/ DOR of Nuclear Licensing AE0D Mr. D. J. Scott, Station Resident Inspector, RIII Superintendent PDR Mr. N. Kalivianakis, Plant Local PDR Superintendent NSIC Central Files TIC Director NRR/DPM Mr. Dean Hansell, Office of Assistant Attorney General 8011070 2fl
'SSINS No.:
6820 6
Accession No.:
8008220248
~IEB Sup #3 to 79-01B UNITED STATES g
NUCLEAR REGULATORY COMMISSION hkc,h D
OFFICE OF INSPECTION AND ENFORCEMENT o b 2U Jitt WASHINGTON, D.C.
20555 b
October 24, 1980 IE Bulletin Nol.79-01B Supplement No. 3:
ENVIRONMENTAL QUALIFICATION OF CLASS IE EQUIPMENT Description of Circumstances:
Two issues were raised by Supplement No. 2 which requi " clarification.
These are:
(1) the dates required for submittal of qualif' ion information for TMI related equipment, and (2) whether the equipment required to achieve a Cold Shutdown condition must be environmertally qualified if the licensing basis for the plant was a Hot Safe Shutdcwn condition.
(1) Supplement No. 2 (Q.1, Q.5) addressea the minimum cold shutdown require-ments.
The staff position on this issue is that the licensee must idantify and environmentally qualify the equipment needed to complete one method (path) of achieving and maintaining a cold shutdown condition.
The equipment.of other paths must be reviewed to assure that its failure will not aggravate or contribute to the accident (ref. Q.5 Supp. No. 2).
Due to an inconsistency between Supplement No. 1 and Supplement No. 2, the staff position on this issue was unclear.
Therefore, the following will apply:
a.
The qual:Tication information for equipment needed to achieve and mai: stain a Hot Safe Shutdown condition must be submitted not later than November 1, 1980.
b.
The qualification information for equipment required to achieve and maintain a Cold Shutdown condition (ref. Q.1 and Q.5 of Supplement No. 2) must be submitted not later than February 1, 1981.
(2)
IEB 79-01B. required a 90 day responra which was due in mid-April 1980.
Supplement 1 (Feb. 1980) informed lit.ensees that equipment which was
" planned" to be installed as a result of lessons learned need not be addressed in that response.
Some of this equipment has since been installed.
Supplement No. 2 (Q.5, Q.21) identified that the staff posi-tion was that equipment which is installed should be treated in a manner similar to all other safety-related electrical equipment and be addressed in the November 1, 1980 submittal.
This position represents no change in staff position regarding the scope of the review.
However, since the staff position on this issue was unclear the following will apply:
a.
Qualification information for installed TMI Action Plan equipment must be submitted by February 1,1981.
b.
Qualification information for future TMI Action Plan equipment (ref.
NUREG-0737, when issued), which requires NRC pre-implementation review, must be submitted with the pre-implementation review data.
j l
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IEB 79-01B Sup #3 October 24, 1980 1
Page 2 'of 2 b
c.
Qualification information for TMI Action Plan equipment currently under NRC review sho'uld be submitted as soon as possible.
d.
Qualification information for TMI Action Plan equipment not yet installed which does not require pre-implementation reviey :hould be submitted to NRC for review by the implementation date.
The above items.1 and 2 represent no change in staff position regarding the scope of the 79-01B Supplement 2 review.
IE Bulletin No.79-01B was issued under a blanket-GA0 clearance (B180225 (R0072), clearance expired July 31,1980) specifically for identified generic problems.
Supplement No. 3 to Bulletin 79-01B is for information, hence no GA0 clearance is required.
I s
IEB 79-01'Sup #3 October 24,'1980 RECENTLY ISSUED 1
IE BULLETINS Bulletin No.
Subject Date Issued Issued To Supplement 2 Environmental Qualification 9/30/80 All power reactor to 79-01B of Class 1E Equipment facilities with an OL 80-22 Automation Industries, 9/11/80' All radiography Model 200-520-008 Sealed-licensees source Connectors 79-26 Boron Loss from BWR 8/29/80 All BWR power Revision 1 Control Blades facilities with an OL 80-20 Failures of Westinghouse _
7/31/80 To each nuclear Type W-2 Spring Return power facility in to Neutral Control Switches your region having an OL or a CP 80-19 Failures of Mercury-7/31/80 All nuclear power Wetted Matrix Relays in facilities having Reactor Protective Systems either an OL or a CP of Operating Nuclear Power i
Plants Designed by Combus-tion Engineering 80-18 Maintenance of Adequate 7/24/80 All PWR power reactor Minimum Flow Thru Centrifugal facilities holding OLs Charging Pumps Following and to those PWRs Secondary Side High. Energy nearing licensing Line Rupture Supplement 2 Failures Revealed by 7/22/80 All BWR power-reactor to 80-17 Testing Subsequent to facilities holding Ols Failure of Control Rods to Insert During a Scram at a BWR Supplement 1 Failure of Control Rods 7/18/80 All BWR power reactor to 80-17 to Insert During a Scram facili. ties' holding Ols j-at a BWR 80-17 Failure of Control Rods 7/3/80 All BWR power reactor to Insert During a Scram facilities holding OLs at a BWR 80-16 Potential Misapplication of 6/27/80 All Power Reactor Rosemount Inc., Models 1151 Facilities with an and 1152 Pressure Transmitters OL or a CP with Either "A" or "D" Output Codes
,