ML20064K369

From kanterella
Jump to navigation Jump to search
RO 80-77/01P:on 801114,evaluation Per IE Bulletin 79-14 Indicated That Support on a Main Steam Header Line Was Less Conservative than Assumed in Tech Specs.Support Mods Were Complete on 801115
ML20064K369
Person / Time
Site: Beaver Valley
Issue date: 11/17/1980
From: Werling J
DUQUESNE LIGHT CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
IEB-79-14, RO-80-77-01P, RO-80-77-1P, NUDOCS 8011240307
Download: ML20064K369 (3)


Text

u v.

-?

4Ci a

q u

ouquesneupt

,am emmem

' ' ' [mg3 EOQRSHE LICRf COMPANY

g. s Besver Valley Power Statina Post office Box 4 SkiPP agport, PA 130U f

kvember 17,1980 NP5: JAW:1023 -

S q

IssverYell Statica, Unit No.1 3p Docket to License No. DPR-66 4

Izt 8 M U/017

k. L L Gefar, Director of ha-1=da=

hitad Statss Le1==r legalatory Commission M. I en Park Avesse Ifag of Pryssia, Pennsylvania 1M06 Daar k. Crist; la assordance with Appedix A, leaver Valley 7*ral Speciffrarinas, ifennsee Ivant taport LZ18HT//017, Teelmical Specification 6.9.1.8.1, j

(-

Analysis of Piping Overstrass, is sobaitted. This occurrence was reported 1

to k. D. A. Ah, the kaver Yaney lesident Iaspector, at 1700 hours0.0197 days <br />0.472 hours <br />0.00281 weeks <br />6.4685e-4 months <br /> es november 14,1980.

Evaluatica and raamalysia' regsfred by II Ballatin 79-14 have shoun that tbs following support had les: ;mtise thaa **w ta the safety analysis enring aeraal operation sad requires r: medial actias. The condition has been i

found to exist on the "A" asia.staea header branch line that' leads to the naia

,j staan header drain lines and stesa traps. The courequences of a break fa this 1=e=Han voeld be'as saisolable stesa line break from the "A" staan generator.

this type of break has twee analyzed for fa the 3 FPS safety analysis report.

The necessary support modifications to alleviate this condition were completed sa november 15,1960.

~

~

poOI Verytrulyyours, j

, J. A. Ver11ag.

{

8egerfstandent 1

^ ~; T.: ~c / &O

.g i

l i. D,. :,

f.

c, 1

t.

r. x i.

Mr. 3. R. Crier

~

Essenber17,1980

~

NPS:Jss1023

/

Page2 cc:

Director of Management & Program Analysis taited States helaar teenlatory Ceemission Ensklagton, D. c. 20555 W J. Boss, NFS Licessing Project Manager Dmited States Neeleer Regalatory Commissica W.. D. C. 20555 8* A=. ledmas, Emelear. Regulatory Commiseise NPS Site Inspector h Magias, ' ecretary, Priam Nevers Committes - Itz S

~

1helaar Safety Analyiis Cantar, Palo Alto, California R. Jsha Alford, PA Public Utilities Commission, Barris6ws, PA e

(

r e

e L

e

~

i l

1 l

0 f

I m

LICENSEE EVENT REPORT CONTROL SLOCX: l l

l l

l l

lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 lo lil l I

I I

I l@l I

I i

I i

I i

i I

i l@l i

I I

I l@l I

le 7

d 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT $8 CON'T iolii "ga; I GiolSlololo l313 !Y GI I

i i

i i

@l/1/1/171ticl@

7 4

60 61 OOCKET NUM8ER 68 69 EVENT QATE 74 75 REPORT OATE E0 EVENT DESCRIPTION AND PROBA8LE CONSEQUENCES h I o 121 l l

i 10131 l i.

e l o 141 l C

E

[c

  1. ,7 l

10151 I i

lo is I l l

10171 1 I

a ls ! i I

80 8 9 CE CODE SLBC E COMPONENT CODE SUS ODE SU E

ioisi I

i l@ l l@ (_J @ I I

I I

I I

l@ l l@ L_J @

7 8

9 to 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LE EVENT YEAR REPORT NO.

CODE TYPE NO.

@ su=R RO 14101 l-l 101 7 71 l/l l

I I

I I

l-l i

I ae

_ 21 22 23 24 28 27 28 29 30 31 32 K N AC ONP NT ME HOURS SS I FOR 8.

SUP Li MANUPAC RER I

l@l l@

l l@

l l@

l l

I I

I I

l@

l l@

l l@

l I

I I

33 34 35 36 31 40 41 42 43 44 47 CAUSE OESCRIPTION ANO CORRECTIVE ACTIONS h 11 lo l I I

li t i l I I

li121I l

\\

iii3i i l

11 14 l l 1

7 8 9 80 STA

% POWER OTHER STATUS Dis O Y

OISCOVERY OESCRIPTION l i i s I (_J@ l i

I l@l i

I l@l l

ACTIVITY CO TENT AMOUNT OF ACTIVITY LOCATION OF RELEASE RELEASED @OF RELE ASEl@ll I

I l

l li Isl I 7

8 9 10 11 44 45 80

  1. ERSONNEL EXPOSURES NUV8ER TYPE OESCRIPTION IIi7l l l

I I

I I

PERSONNEL INJu IES NUMBER DESCRIPTION li la i I I

i l@l I

7 8 9 11 12 80 LOSS OF OR DAMAGE TO #ACILITY TYPE @l I

DESCRIPTION lilel I l

7 8 9 10 SO l$$U E DESCRIPTION l

12 i o i L_J@l i

liiiiiiiiiiili

?

8 9 10 68 69 80 E NAME OF PREPARER PHONE:

.-