ML20237C384
| ML20237C384 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 12/31/1984 |
| From: | PORTLAND GENERAL ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML20237C374 | List: |
| References | |
| PGE-1015-84, PGE-1015-84-A-01, PGE-1015-84-A-1, NUDOCS 8712210292 | |
| Download: ML20237C384 (14) | |
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ANNUAL OPERATING REPORT'FOR THE TROJAN NUCLEAR PLANT i
PGE-1015-84 i l i The following information is furnished as a guide _for the insertion of'
- new sheets for Amendment 1 into the Annual Operating Report for the Trojan Nuclear Plant. This material is denoted by use of the revis!on number and date in the lower outside corner of the,page, y
, i New sheets should be inserted as listed below:-
/
Discard Old Sheet Insert Ngw Sheet p.
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2-140/- 2-140/2-140a /
2-140b/2-140c ? lt
--- 2-104d/2-140e
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L m 2.F STEAM GENERATOR TU3E INSPECTIONS , ft 1-
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). s: J iouirement -.> f i '
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s' Trojan Facility Ope,ptits Licenas MF-1. Appendix A. Technica j Specification 6.9.1'd states: \ '
4 g r 3 Reports required on an annual basis % hall include: i
- b. The courplete results of steam generator tube inservice \
- inspection performed during the report period (reference Sputification 4.4.5.5.b).
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Technical Specif Untiog 4.4. D .b requires , ;
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g , . . )/> The complete results of the nteam genertf or tube inservice
' ,s n) ),
inspection shaV be reported on an ennual basis for the period g i
i w'.tich the iAsr'acthn was comF l eted. Thia report shall include:
& y ' I %, 'g _ . [ I j N) M , in, Nthp?r'and extent of tubes inspected.
I
, }' is* $' {
- 2. Location and pere.est of wall-thickness penetratio for
% ,, ear'n y.dication if kn ' imperfection. '
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,, r. 3. Itet ification '
of tubes plugged. , .f , i c >% jf y
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The June 1984 steam generator inspec*. ion program :;nsisted of j i h 3 MIZ-12/SM-4 au$ti-frequency eddy current. examination as folicid: l I T 1.
,\
Examina[tiontfthe-fulllengthofallactivetubinginSteam r '
)
l Generatde{},:B,C, pad D. '
.. \
- 2. Examination of approximately 3 percent of the hc,t and cold leg tubes throughLLhe tap (seventh) svpport for detydtlon of circumferential f1this. '
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- b. Results 'f.
.c
- 1. Tah'n 1.1 prpyldess the nun:ber and extent of tha tubes ins:pected
- ,in eM h steam sene m or.
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% f' A, Yetlel'.2providktNielocationandpercentofwall-thickness s penetration fcr each indication of an imperfection.
- 3. Lph 1.3 is a list of tubes plugged and the basis for plugging as a result of the June 1984 steam generator inspection program.
The attached figures show the plugging patterns in each steam generator at the conclusion of the June 1984 outage.
- k. ,
,, ! Amendment 1
!; (December 1987) y ,
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- c. Classification The Inservice Inspection classification, f or the Trojan Nuclear O Plant steam generators remains in Cates:try C-1, as noted in Paragraph 4.4.5.2 ut' the Technica!. Specifications.
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2-140a Amendment 1 (December 1987)
I TABLE 1.1 .]
1
SUMMARY
OF EXAMINATION SCOPE
- JUNE 1984 !
Steam Number of Extent Generator Program Tubes Tested Tested
- A 1 2,535 FL:H 1 22 FL:C 1 457 7C:H/7C:C
.1 280 7H:C/7H:H 2 148 7H:H 2 71 7C:C B 1 2,619' FL:H 1 20 FL:C 1 465 7C:H/7C:C 1 190 7H:C/7H:H 2 148 7H:H l 2 71 7C:C j l
C 1 2,560 FL:H 1 23 FL:C 1 470 7C:H/7C:C 1 241 7H:C/7H:H 2
- 70 7H:H O
D 1 1,529 FL:H j 1 1,036 FL:C j 1 464 7C:H/7C:C ]
1 236 7H:C/7H:H j 2 72 7H:H 2 73 7C:C TOTAL TESTED = 13,800 NOTE: Program 1 = Full length .I Program 2 = Random pattern (3 percent)
- FL:H = Entry from hot les side, probe inserted for full length of tube.
FL:C = Entry from cold leg side, probe inserted for full length of tube.
7H:H = Entry from hot leg side, probe inserted to seventh support on .
hot leg side of U-bend.
]l 7C:C = Entry from cold leg side, probe inserted to seventh support on l cold les side of U-bend. l 7H:C = Entry from cold leg side, probe inserted to seventh support on hot leg side of U-bend.
.f-7C:H = Entry from hot leg side, probe inserted to seventh support on cold leg side of U-bend.
2-140b Amendment 1 (December 1987) ;
TABLE 1.2
SUMMARY
OF EXAMINATION RESULTS
' JUNE 1984 Steam Generator A B C D Tubes Tested 3513 3513 3364 3410 Ouantifiable Indications: Hot: Cold Hot: Cold Hot: Cold Hot: Cold
- 1. Tubes Exceeding Plugging 0: 0 Limit >= 40 percent 0: 0 2: 1 0: O
- 2. Degraded Tubes >= 20 per- 1: 0 0: 0 1: 0 1: 1 cent < 40 percent
- 3. Imperfections < 20 percent 3: 4 10 : 6 8: 4 5: 6 !
- 4. Row 2 U-bend 0: 0 1: 0 0: 0 0: O l O.
i O
2-140c Amendment 1 (December 1987)
I TABLE 1.3 i TUBE PLUGGING LIST JUNE 1984 Steam Generator Tube Number Basis A R44/C34- >= 20 percent <40 percent indication at hot leg tube sheet B R2/C29' U-bend indication C R12/C60 >40 percent indication at hot leg tube sheet R13/C61 >40 percent indication at hot les tube sheet R13/C62 >40 percent indication at hot les tube sheet R37/C20 >40 percent indication at cold les mid-span D R22/C34 >= 20 percent <40 percent indication at hot les mid-span l
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O 2-140d Amendment 1 (December 1987)
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