ML20237C392
| ML20237C392 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 12/31/1985 |
| From: | PORTLAND GENERAL ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML20237C374 | List: |
| References | |
| PGE-1015-85, PGE-1015-85-A-01, PGE-1015-85-A-1, NUDOCS 8712210297 | |
| Download: ML20237C392 (9) | |
Text
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9 ANNUAL OPERATING REPORT FOR THE TROJAN NUCLEAR PL1NT
-G PGE-1015-85 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 revision number and date in the lower outside corner of the page.
New sheets should be inserted as listed below:
Dircard Old Sheet Insert New Sheet 2-105/-
2-105/2-105a-2-105b/2-105c 2-105d/2-105e 2-105f/2-105g O
O 1
hhgEEIO297 871215 R
ADOCK 05000344 PDR
~y
{-
2.C STEAM GENERATOR TUBE INSPECTIONS p.
Requirement f
Trojan Facility Operating License NpF-1, Appendix A, Technical Specification 6.9.1.5 states:
Reports required on an annual basis shall include:
b.
The complete results of steam generator tube inservice inspection performed during the report period (reference Specification 4.4.5.5.b).
Technical Specification 4.4.5.5.b requires:
The complete results of the steam generator tube inservice inspection shall be reported on an annual basis for the period in which the inspection was completed. This report shall include:
1.
Number and extent of tubes inspected.
2.
Location and percent of wall-thickness penetration for each indication of an imperfection.
3.
Identification of. tubes plugged.
Report a.
program Summary The June 1985 steam generator inspection program consisted of MIZ-18/SM-10 multi-frequency eddy current examination as follows:
1.
Examination of the full length of all active tubing in Steam Generators B and C.
2.
Examination of selected hot leg tubes through the first support, b.
Results 1.
Table 1.1 provides the number and extent of the tubes inspected in each steam generator.
2.
Table 1.2 provides the location and percent of wall-thickness penetration for each indication of an imperfection.
i 3.
Table 1.3 is a list of tubes plugged and the basis for plugging as a result of the June 1985 steam generator inspection program. The attached figures show the plugging patterns in each steam genera-tor at the conclusion of the June 1985 outage.
c.
Classification The inservice inspection classification for the Trojan Nuclear plant steam generator remains in Category C-1 as noted in Paragraph 4.4.5.2 l
of the Technical Specifications.
2-105 Amendment 1 (December 1987)
I
1 I
TABLE 1.1 9!
SUMMARY
OF EXAMINATION SCOPE JUNE 1985 Steam Number of Extent Cenerator Pror. ram Tubes Tested Teste.d*
B 1
3159 FL:H 1
27 FL:C 1
105 7C:H/7C:C 1
2 7H:C/7H:H 2
49 IH:H C
1 2935 FL:H 1
34 FL:C 1
267 7C:H/7C:C 1
54 7H:C/7H:H 2
111 1H:H TOTAL TESTED = 6743 NOTE: Program 1 = Full length Program 2 = First support
- FL:H = Entry from hot les side, probe inserted for full length of tube.
FL:C = Entry from cold les side, probe inserted for full length of tube.
7H:H = Entry from hot leg side, probe inserted to seventh support on hot les side of U-bend.
7C:C = Entry from cold leg side, probe inserted to seventh support on cold les side of U-bend.
7H:C = Entry from cold les side, probe inserted to seventh support on hot les side of U-bend.
7C:H = Entry from hot leg side, probe inserted to seventh support on cold les side of U-bend.
O 2-105a Amendment 1 (December 1987)
l
(~s TABLE 1.2 N
]
SUMMARY
OF EXAMINATION RESULTS JUNE 1985 l
B C
Tubes Tested 3342 3401 Ouantifiable Indications:
Hot: Cold Hot: Cold 1.
Tubes Exceeding Plugging 0: 0 3: 0 Limit >= 40 percent 2.
Degraded Tubes >= 20 per-2: 1 1: 1 cent < 40 percent 3.
Imperfections < 20 percent 1: 1 17 : 12 4.
Row 2 U-bend 0: 0 0: 0
,- \\
O'
'v 2-105b Amendment 1 (December 1987) l l
_________________U
l l
TABLE 1.3 l
TUBE PLUGGING LIST JUNE 1985 Steam Cenerator Tube Number Basis C
R11/C82
>40 percent indication at hot leg tube sheet R13/C58
>40 percent indication at hot leg tube sheet i
l R14/C58
>40 percent indication at hot leg tube sheet O
O 2-105c Amendment 1 (December 1987)
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