ML20044C387

From kanterella
Jump to navigation Jump to search
Partially Deleted Ltr Responding to 910506 Allegation That Util Might Be Permitting Unit 1 Restart W/Recirculation Sys Piping Degraded Due to Igscc.Allegation Found to Be Unsubstantiated
ML20044C387
Person / Time
Site: Millstone Dominion icon.png
Issue date: 10/08/1991
From: Fuhrmeister R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To:
AFFILIATION NOT ASSIGNED
Shared Package
ML16266A160 List:
References
FOIA-92-162 NUDOCS 9303220397
Download: ML20044C387 (6)


Text

,.

t 1

s.

y

}

! N-d **%c;'g

+-

UNITED STATES i

NUCLEAR REGULATORY COMMISSION j

C REGloN t o, -

[

475 ALLENDALE ROAD j

P KING OF PRUS$1A, PENNSYLVANIA 1M06-1415 6

f DCT 1991 Docket No. 50-245 S

f File No. RI-91-A-0086 b,

Subject:

Allegation Concerning Millstone Unit 1 The NRC Region I office has completed its followup in response to the concern you brought to our attention on May 6.1991, alleging that Northeast Utilities might be permining.

.j Millstone Unit I restart with Recirculation System piping degraded due to Intergranular Stress Corrosion Cracking (IGSCC).

We found your allegation to be unsubstantiated in that while there were indications in the l

weld area. they were not the result of IGSCC. An NRC Non-Destructive Examination (NDE) inspector, qualified to the American Society of Non-Destructive Testing Level III l

requirements in ultrasonic examination, reviewed the licensee evaluation of your t'mdings.

We hase documented our findings in Inspection Report 50-245/91-12. detail 5.2.2. I have l

included a copy of those pages which pertain to your concern. We plan no further action j

and consider the issue closed.

i P

We appreciate your informing us of your concerns and feel that our actions in this matter f

have been responsive to those concerns. Should you hase any additional questions, or if I a

can be of further assistance in this matter, please call me collect at (215) 337-5222.

Sincerely,

/

/

.L r

g./

-,t WMgn2.

Roy L. Fuhrmeister Senior Allegation Coordinator i

Ir.ktn atn in iYs tr.cid as Med in a=d ge mth the frceNtga !ir,'ormation j

Enclosure:

as statea A:t, en 1.F.S _[I 7

[

fgp.

2 '

CERTIFIED M AIL t

RETURN RECEIPT REOUESTED 9303220397 921217 PDR FDIA HUBBARD92-162: PDR

y

,p S OCi lssi Docket No. 50-245 -

File No. RI-91-A-0086 ~

l

Subject:

' Allegation Concerning Millstone Unit 1 The NRC Region I office has completed its followup in response to the concern you brought.

to our attention on May 6,1991, alleging that Northeast Utilities might be permitting Millstone Unit I restart with Recirculation System piping degraded due to Intergranular I

Stress Corrosion Cracking (IGSCC).

r

' We found your allegation to be unsubstantiated in that while there were indications in the weld area, they were not the result of IGSCC. An NRC Non-Destructive Examination (NDE) inspector, qualified to the American Society of Non-Destructive Testing Level 111 requirements in ultrasonic. examination, reviewed the licensee evaluation of your findings.

We have documented our findings in Inspection Report 50-245/91-12, detail 5.2.2. I have included a copy of those pages which pertain to your concern. -We' plan no further action j

and consider the issue closed.

j i!

We appreciate your informing us of your concems and feel that our action's in this. natter have been responsive to those concerns. Should you have any additional questions, or if I can be of further assistance in this matter, please call me collect at (215) 337-5222.

Sincerely,

]

Original Signed Ey A

Roy L. Fuhrmeister Senior Allegation Coordinator l

Enclosure:

as stated j

f CERTIFIED MAIL RETURN RECEIPT REOUESTED OFFICIAL RECORD COPY i

- Q:,. : n <.,- '.

. ~,.

.. n, n:.

z..

-.--.~ -.]..

r i

bec:

Allegation File No. RI-91-A-0086

[

i e

i i

t i

f i

f I

.\\'..h 3

//

hggI/

concurrences RI: SAC KliDRS Rl:DIF i

Fuhrm er Gray Kelly l

10/j /91 10/g/91 10/f/91 b

CERTIFIED MAIL RETURN RECEIPT REOUESTED OFFICIAL RECORD COPY 7

i i

./. w I

') 9 i

s.

I b

ALLEGATION RECE>T REPORT j

Allegation No.

ece (leave blank) l

... _.y : ;;p;. *;((

[Q g; j.........,c p

Name: \\ ?%. _ f.

7 Address:

.n

. x m,..y-

) kiMf" W. M l $..J '

W I

City / State / Zip:

i Phore:

Confidentiality:

Was it rec ested?

Yes No f

Was it i n' ti a l ly g ra r.tec?

Yes No V Was it finally grantec ey the allegation panel Yes No Dces a ccn'icentiality agreeeert reed

-) be sent Yes No to alleger?

Has a confidentiality agreement been signed?

Yes No Memo cocurenting why it was grarted is attached?

Yes No 8

b Position /

Title:

ye Facility:

Docket No.._

h I

( A11egatien Summary (brief descri;tien of concern (s):

m

t. Cm(ma w A GMJ7-DL& % a2 PdE&efdm(hedli<n% ~

ll L

Ihsa(di 4a%'usad e:i 4

Number of Concerns.

C

[

Employee Receiving A11egaticn:

.[!l (first two initials and fast name) j %j h Type of Regulated Activity (a),! eactor (d) Safeguards ,_ R =5 (b) _ Vendor (e) _ Other: (c) _ Materials ~ (Specify) ._] hj ]E-2sN1 Materials License No. (if applicable): jg]g .542 Functional Area (s): (a) Operations (e) Emergency Preparedness (b) Construct. ion (f) Onstte Health and Safety (c) Safeguards f(g) Offsite. Health and Sa.fety (d) Transportation V (h) Other: O //.

  • CAqNM25*%(Ai

! n: .:y V ) - (NRC Regioh I Fors 207 r '/ ,,fa pg g Revised 10/89)

t : Page of h Detailed Descriptten of Allegation: /~) A n ,n &a46&rA A< hmh4cdae % &, & ire d uca. 9 M F 1 a * & & D k nu 6 n. 4a no. A idLaMaka. // kb< chtg$vt0 44~h S d222 uds LOC /7. N 70d$$sw 4%cs a afa arn e3de da4M4 (1a assrfLlfke). 61%dhhde&M2d poMsusA 2dafAtbiwf6 bet 7)- _,s$.<.q$.5-- - - 5 4 _/ / A ax6 h 5w 0 rad'N $ hibs Pudh,@?Q.EE !aa m "s4s d M # 4 w</LUui1%f,%9 delf %be9fD"% f V r

i Significance / Prelim nary Recomme dati ns:
  • hk 0

, L4 l/l -4 ObfSOWR CO)

  • f ( & V.T h ni Sk NRC Region I Form 207 (Revised 10/89) l

) r ') R W W & * %,c..o >

45 \\ RECORD OF ALLEGATION PANEL DECISIONS /12 i!s w4 PANEL ATTENDEES-SITE: ALLEGATION NO.. f 9 d 4-9I Chairman - % T. uscp g DATE: 8 MY4 d (Mtg.h2345) Branch Chief - b C. Wen %9 er SectionChief(AOC)-Ek.[e,hy PRIORITY: High @ Low Others - C. 41.u)(c k < SAFETY SIGNIFICANCE: Yes No Unknown CONCURRENCE TO CLOSEOUT: DD h SC 1 S Dwcr CONFIDENTIALITY GRANTED: Yes No

15. Sdwarh O I. hmeder (See Allegation Receipt Report) i IS THEIR A 00L FINDING:

Yes No s IS CHILLING EFFECT LETTER WARRANTED: Yes No HAS CHILLING EFFECT LETTER BEEN SENT: Yes No HAS LICENSEE RESPONDED TO CHILLING EFFECT LETTER: Yes No f ACTION: 1) D R.S b kb h Lsm.D) '5 S R i

2) [Fomad 4o o1 conscs ef u,d4 rsnes ils we_)

n $ t.d.m v; n kas-cd.2tcA,nk ond J 3 u 3) 4) i k NOTES: !}}