ML19320B840
| ML19320B840 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 07/02/1980 |
| From: | Mcgaughy J MISSISSIPPI POWER & LIGHT CO. |
| To: | |
| References | |
| REF-PT21-80-244-000 AECM-80-147, NUDOCS 8007150105 | |
| Download: ML19320B840 (4) | |
Text
{{#Wiki_filter:ATTAGED IS A PART 21 REPORT FROM IE f%IL UNIT - ROOM 359 E/W iGQ Pn PART 21 IDENTIFICATION NO.. 7o - OYY -oo o COMPA!iY IMFEf D Co - DATE OF M 7/'/ f o DOCKET N(). So ~ % S~~F7 IMTE DISTRIBlHED 7//o Hrc; ORIGIIML REPORT X SUPPLBENTARY DISTRIBUTION: REACTOR (R) [ FUEL CYCLE & SAFEGLIARDS (S) IEFILES I# IEFILES AD/R01'(2) IEFILES AD/SG AD/RCI (2) AD/ FREI AD/RDI REGIONSI,II,III,IV,V REGIONSI,II,III,IV,V REGIONSI,II,III,IV,V VENDOR BR. R-IV VENDOR BR. R-IV VBiDOR BR. R-IV U)EB / FFA FIG 5715 NFES / FCMS SS-395 NRR/DDL AEOD FIB 7602 L0EB / MPA ftB 5715 NBES / SG SS-881 NRR/ DOE AEOD FIG 7602 LOEB / FPA FIB 5715 NRR/DSI CENTRAL FILES 016 AE0D FIB 7602 NRR/ DST CENTRAL FILES ( GRON) CB4TPAL FILES 016 NRR/ DOL PDR CENTRAL FILES (GR0t0 CENTRALFILES 016 (PDR CENTRALFILES SS-396 CBlTRAL FILES (GIUD TERA PDR PDR LPDR (PDR TERA
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1.'. , MISSISSIPPI POWER & LIGHT COMPANY A Helping Build Mississippi P. O. B O X 16 4 0, J A C K S O N. MIS SIS SIP PI 3 9 205 NUCLEAR PRoOuCTioN DEPARTMENT July 2, 1980 Office of Inspection & Enforcement U. S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW {d ~29 Y-00 O Suite 3100 Atlanta, Georgia 30303 Attention: Mr. J. P. O'Reilly, Director
Dear Mr. O'Reilly:
SUBJECT:
Grand Gulf Nuclear Station File 0260/15525/15526 Supplemental Reports under 10CFR21 for Previously Filed Items under 10CFR50.55(e) PRD-79/08, PRD-79/18 & PRD-79/19 AECM-80/147 As requested, Mississippi Power & Light Company has reviewed past reports filed under 10CFR50.55(e) since August 1977 to determine if in-formation required under 10CFR21 should also have been included. We have
, determined that three reports filed under our Architect / Engineer's (Bechtel Power Corporation) scope of work fall in this category. These items involve parts supplied by Rosemount, Inc., Gould-Brown Boveri, and Westinghouse Electric Company. Supplemental reports to the ones previously filed under 10CFR50.55(e) for these are attached.
Sincerely, p r J. P. McGaughy, Jr. Assistant Vice President, Nuclear Production WDH:lb Attachment cc: Mr. N. L. Stampley Mr. R. B. McGehee Mr. T. B. Conner Mr. Victor Stello, Director, w/3<- THIS COPY FOR Division of Inspection & Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Member Middle South Utilities System O
_,- ,- 10 CTR FART 21 REPORT.
- 1. Identifirtion af is41vidual(s) infarming the NRC:
N = (c)2 T. E. R2tvis, Jr. Telephone call te F. Cantrell, NRC, Region II~7/2/80. Address: ' Mississippi Power & Light Company, P. O. Box 1640, Jackson, MS 39205 Identification of entity f ailing to comply or containing a def ect (check appropriate blocks):
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2. GRAND CULF NUCLEAA STATION Unit 1 Unit 2 C Cther (Specify)
- 3. Supplier:
Westinghouse Electric Company Horseheads, N.-Y.
- 4. Nature of the defect or failure to comply and the safety hazard which is created or could be created by such defect or failure to comsly:
See MP&T. 1 error maar Arrv_70/7,A a, W 17/3/79 y_in;; ;;;ig ,,, WestinRhouse electrical onernH on s ep=M i ad a
- 5. Date information obtained for this report 7/2/80
- 6. Additional infortation for defective components incorporated in other facilities, as applicable Number in use, supplied for.
Fact 11tv/Locetion or beine supplied Correspondence from the supplier confirmed that Grand Gulf Nuclear Station was the only user of the defective items.
- 7. Corrective Action: See AECM-79/136, dated 12/3/79 Responsibility: Mississipoi Fewer & Lisht Oaa11tv Assurance Section (Name of individual or organization)
Time Required To complete /etien: Corrective Action be m na 10/11/70 nM ..-4 1 1 continue to the close of MCAR-GGNS B57,
- 8. Advice related to the defect or failure to comply about the facilit*. activity, or basic component
'that has been, is being, or vill be given to purchasess or licensees:
Westinghouse issued a " Procedure to Braca crict Tov 4 31 n 1 n - t. e c-- c-- a Gulf-Electrical Penetration", PEN-TR-79-45. Rev.-1. 10/16/79. MP6L is un-aware of further. advice issued to others en this ites. n u ,,, s.-*+*> *D=4
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P;==oouctio= oc aat===v December 3, 1979 1.. j h Office of Inspection and Enforeccent -
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'!f4 ATTENTION: }!r. J. P. O'Reilly, Director
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Gentlemen. y'
SUBJECT:
Crand Colf Nuclear Station File 0262/0498/15525/15526 {
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- Docket Nos. 50-416/417 jM$l'S,il . . .
Final Report for PRD 79/19 as Defined in 10 CFR 50.55(c) i' y ' f- AECit-79/136
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1 Ea . On October 10, 1979, Mississippi Power & Light Co=pany notifled ~ D.6. . }1r. J. Wilcox of your of fice of a -potential reportable deticiency con- - -
-{/. ' ,' cerning cracking, breaking, or sagging terminal strips in Westinghouse cIcetrical penetration assemblics. We have now determined that this is h -* .-
1 5 a reportable deficiency within the meaning of 10 CFR 50.55(c). If this k - j. condition had gone undetected, it could have affected adversely the safety 3} .* l* , of operations of the nuc1 car power plant. R t' f
.'..'. The safety implication is a postulated event where a broken strip 5 8' 4 may cause an electrical short circuit between two conductors of a safetv-k ')' .,. 'related assembly.. , his condition could jeopardize th2 safe operation o'f.
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g I This deficiency involves the use of inadequately supported long terminal pl. strips in junction boxes on electrical penetration assemblics for the con-
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{ tainment building. The terminal strips are Type CR151-D7 canufactured by t.' the General Elcr ric Company, ne junction box and penetrations are manu-f actured and cupplied by Westinghouse Electric Corporatica, llorschends,
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[ As corrective action, Westinghouse has issued a " Procedure to Brace l0 CRISI - Terminal Blocks for Grand Gulf Electrical Penetration". PEN-TR-79-65.
.,'.'.' Rev. 1, 10/16/79. Af ter evaluation and ap' proval by Ecchtel Project Fngineer-ing, this procedure was transmitted on !.'ovember 12, 1979 to the jobsite fer j
. 1.' - iciplementation.
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; Bracing of CR151 terminal strips will cocnence af ter receipt of tho 5;?T. . . , .
' requir.ed clamps from. Westinghouse.' All undelivered penetration junction
#J-l : boxes at the Westinghou:;e plant will include properly braced CR151 terminal
(.h ,' blocks before ship:nenti to.',ths, jobsite.. . i 8 :. ' h' Details of corrective action vill be su=.arized in Bechtel ManaEecent d.-' . ,
- Corrective A: tion Report GGES-57 and will be availabic for your review at .
g .', ' the CGNS construction, site.,:;... ,- n,. ay, . >. , fi Y .- i .' .
.y Yours truly, .
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%% 39 N..? 'i . ' L. F. Dalc
' . Nuclear Project Manager R ,j',);.j . . - - .
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li?.W (u . iMr. R.'B. McCchee
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'Mr. T. B. Conper'.' h '
Mr. J . N. . Ward . , , - l Mr. D. M., Lake
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$ Mr. Victor Secllo, Jr., Director Mr. R. L. Scott t
Mr . J . P. McGau ghy , J r. )
; 3t 3 .' Division of Inspection & Enforecment f p*,I '.
- U. S. Nuclear Regulatory Cocraission Mr. W. L. Nail l i
Mr. T. E. Reaves 5
'i . , Washington, D. C. 20555 j /.
Mr. P. W. Sly
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