ML20036B284
| ML20036B284 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 07/01/1991 |
| From: | Hehl C NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Mroczka E NORTHEAST NUCLEAR ENERGY CO. |
| Shared Package | |
| ML20036A053 | List:
|
| References | |
| FOIA-92-162 NUDOCS 9305180451 | |
| Download: ML20036B284 (12) | |
Text
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UNITED ST ATES E*
j NUCLEAR REGULATORY COMMISSION REG:oN I l
47s ALLENDALE ROAD O, -
g KING of PRUS$1A. PENNSYLVANIA 19406 1415
%.*.\\ /,e 3101 EM Docket Nos. 50-336 l
File Number RI.91-A-0148 Northeast Nuclear Energy Company ATTN:
Mr. E. J. Mroczka l
Senior Vice President - Nuclear Engineering and Operations Group P.O. Box 270 Hartford, Connecticut 06141-0270
Dear Mr. Mroczka:
The U.S. Nuclear Regulatory Commission recently receised information concerning acusiti at the Millstone Nuclear Power Facility. Unit 2. The details are enclosed for your resiew an followup.
We request that the results of your review and disposition of these matters be submitted to Region I within 30 days of the date of receipt of this letter. We request that your response contain no personal privacy, proprietary, or safeguards information so it can be released to the public and placed in the NRC Public Document Room. If necessary, such informat shall be contained in a separate attachment which will be withheld from public disclosure.
The affidavit required by 10 CFR 2.790(b) must accompany your response if proprietary information is included. Please refer to 6!e number RI-91-A-014S when providing your response.
The enclosure to this letter should be controlled and distribution limited to personnel with a "need to know" until your insestigation of the concern has been completed and reviewed by NRC Region I. The enclosure to this letter is considered Exempt from Public Disclosure Howes er. a copy of i
accordance with Title 10. Code of Federal Regulations. Part 2.790tal.
this letter excluding the enclosure will be placed in the NRC Public Document room.
The response requested by this letter and the accompanying enclosure are not subjec i
clearance procedures of the Office of Management and Budget as required by the P
' Reduction Act of 1950. PL 96-511.
9305180451 930216 PDR FOIA HUBBARD92-162 PDR
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9 Northeast Nuclear Energy Company 2
l Your cooperation with us is appreciated. We will gladly discuss any questions you hate concernin; this information.
I S;ne' erel,s.
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Charles W. Hehl. Direc:or Ditision of Reactor Projects j
Enclosure:
(10 CFR 2.790ia) Information) t cc w'o encl:
i Public Document Room (PDR)
Local Public Document Room (LPDR)
Sta:e of Connecticut t
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bec w encl:
W. R2s mond. SRI. Mi:' cone A1:ega$ ion Fi!ER: 9:-A-0: i, C SC, c Y9 J. S : s at:
E. Kelly T. Sped:Osky 4
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- BUTIO, FOR P1 ENCLOSURE Issue On June 14. 1991, while attempting to replace the "SeaiTite" flexible electrical p.91 M @
conduit and the position indicator window for No.1 Steam Generator Alain Steam isolation Bypass Valve motor operator (2-blS-65A),it was found that the work had g.4. l'M been done previously under AWO hi2-S9-0lS28 on h! arch 13.19S9. However, the prints had not been updated.
Request Please discuss the validity of the above assertions. If de6ciencies in work control or drawing control are found, please inform us of the corrective actions you have taken to prevent recurrence. Please provide us with an assessment of the significance with regard to safety of any identi6ed deficiencies.
Issue On June 14.1991, differences between a control wiring diagram and actual plant conditions was found. The wiring diagram (Drawine 25203-32020) for the No. I A-A' Steam Generator hiain Steam Bypass Valve (2-h1Sd5A) hiotor Operator indicates the p
presence of an amber light to signify when the unit has tripped on overload. This 4
light is not installed.
Also, Contact 49, shown on Drawing 25203-32031, sht. 42 does not exist.
Request Please discuss the validity of the above assertions. If deficiencies are found in plant drawings, please notify us of the corrective actions taken to prevent recurrence.
Please provide us with an assessment of the significance with regard to safety of any identified deficiencies.
RIBU N~
FOR fBLIC DI
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RECORD OF ALLEGATICN PANEL DECISIONS SITE:
/h iuc src,o E 2-PANEL ATTENDEES:
ALLEGATION NO.:
R T-9 /- A - O/fC Chairman - Ed s 6 6 w _s DATE: G -/'7 't /
(Mtg.@2345)
' Eranch Chief -
PRIORITY:
High Mecium Lew Section Chief (AOC) - l<6LLEy' No h Others -
M ATA (,a EAsuc.<
SAFETY SIGNIFICANCE: Yes CONCURRENCE TO CLOSEQUT: DD E SC S w a,t. T n '4 ficac. e s ymoa0, CONFIDENTIALITY GRANTED: Yes @
5 i+E o c o s tv-is A 6 [c nog sr (See A11egatien Receipt Re:: ort) l 15 THEIR A 00L FINDING:
es No l
IS CHILLING EFFEC' ETTER WARRANTED:
Yes No HAS CHILLINF cFFECT LETTER EEEN SENT:
Yes No HAS
- .NSEE RESPONDED TO CHILLING EFFECT LETTER:
Yes No f
ACTION:
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47s ALLENDALE ROAD tuNG OF FRUsSIA. PENNSYLV ANIA 15WJ6141s gV j 81 (1 WM Docket Nos. 50-336 File Number RI-91-A-0148 Northeast Nuclear Energy Company ATrN:
Mr. E. J. Mroczka Senior Vice President - Nuclear Engineering and Operations Group P.O. Box 270 Hartford, Connecticut 06141-0270
Dear Mr. Mroczka:
The U.S. Nuclear Regulatory Commission recently received information concerning activities at the Millstone Nuclear Power Facility, Unit 2. The details are enclosed for your review and followup.
We request that the results of your review and disposition of these matters be submitted to Region I within 30 days of the date of receipt of this letter. We request that your response contain no personal privacy, proprietary, or safeguards information so it can be released to the public and placed in the NRC Public Document Room. If necessary, such information shall be contained in a separate attachment which will be v,ithheld from public disclosure.
The af6 davit required by 10 CFR 2.790(b) must accompany your response if proprietary information is included. Please refer to file number RI-91-A-0148 when providing your response.
The enclosure to this letter should be controlled and distribution lir.lited to personnel with a "need to know" until your investigation of the concern has been completed and reviewed by NRC Region 1. The enclosure te this letter is considered Exempt from Public Disclosure in However, a copy of accordance with Title 10, Code of Federal Regulations, Part 2.790(a).
this letter excluding the enclosure will be placed in the NRC Public Document room.
The response requested by this letter and the accompanying enclosure are not subject to the clearance procedures of the Office of Management and Budget as required by the Paperwork Reduction Act of 1980, PL 96-511.
1
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~
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. Northeast Nuclear Energy Company 2
Your cooperation with us is appreciated. We will gladly discuss any questions you ha concerning this information.
i Sincerely, M
s Charles W. Hehl, Director Division of Reactor Projects a
Enclosure:
(10 CFR 2.790fa) Information) cc w/o encl:
Public Document Room (PDR)
Local Public Document Room (LPDR)
State of Connecticut t
bec w. encl:
W. Rasmond, SRI. Millstone Adega'[ ion Fi!MlRI-91-A-014S, Cisc, e W9 J. 5:ew art E. Kelly T. Shedlosky l
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4 N PUBL1 l
4 ENCLOSURE Issue On June 14, 1991, while attempting to replace the "SealTite flexible electrical i
conduit and the position indicator window for No. I Steam Generator Main Steam Isolation Bypass Valve motor operator (2-MS-65A), it was found that the work had l
been done previously under AWO M2-89-01828 on March 13, 1989. However, the prints had not been updated.
l t
Request Please discuss the validity of the above assertions. If deficiencies in work control or drawing control are found, plene inform us of the corrective actions you have taken to prevent recurrence. Please provide us with an assessment of the significance with regard to safety of any identified deficiencies.
Issue On June 14,1991, differences between a control wiring diagram and actual plant conditions was found. The wiring diagram (Drawing 25203-32020) for the No.1 Steam Generator Main Steam Bypass Valve (2-MS-65A) Motor Operator indicates the presence of an amber light to signify when the unit has tripped on overload. This light is not installed.
j Also, Contact 49, shown on Drawing 25203-32031, sht. 42 does not exist.
l Request Please discuss the validity of the above assertions. If deficiencies are found in plant drawirigs, please notify us of the corrective actions taken to prevent recurrence.
Please provide us with an assessment of the significance with regard to safety of any identified deficiencit ;.
OT FOR P' j
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UNITED STATES
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g NUCLEAR REGULATORY COMMISSION j
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475 ALLENDALE ROAD i
E KING OF PRUSSIA. PENNSYLVANIA 1M06-1415 t
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Docket Nos. 50-336 l
File Number RI-91-A-0148 Northeast Nuclear Energy Company 4
ATTN:
Mr. E. J. Mroczka Senior Vice President - Nuclear Engineering and Operations Group
{
P.O. Box 270 1
Hartford, Connecticut 06141-0270 l
Dear Mr. Mroczka:
The U.S. Nuclear Regulatory Commission recently received information concerning activities
.i at the Millstone Nuclear Power Facility, Unit 2. The details are enclosed for your review and followup.
n We request that the results pf your review and disposition of these matters be submitted to Region I within 30 days of the date of receipt of this letter. We request that your response l
contain no personal privacy, proprietary, or safeguards informftion so it can be released to the public and placed in the NRC Public Document Room. If necessary, such information l
shall be contained in a separate attachment which will be withheld from public disclosure.
The affidavit required by 10 CFR 2.790(b) must accompany your response if proprietary information is included. Please refer to file number RI-91-A-0148 when providing your response.
j The enclosure to this letter should be controlled and distribution limited to personnel with a "need to know" until your investigation of the concern has been completed and reviewed by NRC Region I. The enclosure to this letter is considered Exempt from Public Disclosure in accordance with Title 10, Code of Federal Regulations, Part 2.790(a). However, a copy of this letter excluding the enclosure will be placed in the NRC Public Document room.
The response requested by this letter and the accompanying enclosure are not subject to the clearance procedures of the Office of Management and Budget as required by the Paperwork l
j Reduction Act of 1980, PL 9Mi1.
t (d
V
i
+
Northeast Nuclear Energy Company 2
- l i
1 Your cooperation with us is appreciated. We will gladly discuss any questions you have i
cor -:rning this information.
Sincerely.
- \\ N ~r.
Jt l
Charles W. Hehl. Director Division of Reactor Projects i
t
Enclosure:
(10 CFR 2.790(a) Information) cc w/o encl:
Public Document Room (PDR)
Local Public Document Room (LPDR)
I State of Connecticut i
i bec w! encl:
W. Ravmond. SRI. Mi2 stone Allega'[ ion Fi!M,)RI-91 A-0145, ctSc, c'V9 i
J. 5:ea ar:
E. Keljv T. Shed!csky l
1
?
l i
O i te nisQSURE ENCLOSURE Issue On June 14,1991, while attempting to replace the "SealTite" flexible electrical conduit and the position indicator window for No.1 Steam Generator Main Steam Isolation Bypass Valve motor operator (2-MS-65A), it was found that the work had been done previously under AWO M2-89-01828 on March 13, 1989. However, the prints had not been updated.
Request Please discuss the validity of the above assertions. If deficiencies in work control or drawing control are found, please inform us of the corrective actions you have taken to prevent recurrence. Please provide us with an assessment of the significance with regard to safety of any identified deficiencies.
Issue On June 14,1991, differences between a control wiring diagram and actual plant conditions was found. The wiring diagram (Drawing 25203-32020) for the No.1 Steam Generator Main Steam Bypass Valve (2-MS-65A) Motor Operator indicates the presence of an amber light to signify when the unit has tripped on overload. This light is not installed.
Also, Contact 49, shown on Drawing 25203-32031, sht. 42 does not exist.
Request Please discuss the validity of the above assertions. If deficiencies are found in plant drawings, please notify us of the corrective actions taken to prevent recurrence.
Please provide us with an assessment of the significance with regard to safety of any identified deficiencies.
FOR-FURT IC I
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42 RECORD OF ALLEGATICN PANEL DECISIONS SITE:
/h i.,c sroo E 2--
PANEL ATTENCEEE:
ALLEGATION NO.:
A T-9 /- A - O /'/9 Chairman - wi 6 sw s DATE: 6 -/9 #/ /
(Mtg.@2345)
Branen Chief -
h Section Chief ( AOC) - i< 6LLE y PRICRITY:
High Mecium SAFETY SIGNIFICANCE: Yes No nknew Others - m A T 4 ( r.s E.AsucK CCNCURRENCE TO CLCSEOUT: DD E SC SW4C W h h oc. Rr,ymo q
~
CCNFICENTIALITY GRANTED: Yes @
596 o cos W 9 4 6 ic n og sT-(See Allegation Receipt Report)
IS THEIR A 00L FINDING:
es No i
IS ~ MILLING EFFEC
- ETTER WARRANTED:
Yes No HAS CHILL!N* :FFECT LETTER EEEN SENT:
Yes No HAS LMNSEE RESPONDED TO CHILLING EFFECT LETTER:
Yes No
/
ACTION:
1) 0 X) edt ub
=u 2) 3)
a) 5)
NOTES:
1 i
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