ML20031E375
| ML20031E375 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 10/12/1981 |
| From: | WISCONSIN ELECTRIC POWER CO. |
| To: | |
| Shared Package | |
| ML20031E372 | List: |
| References | |
| NUDOCS 8110150438 | |
| Download: ML20031E375 (1) | |
Text
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.m Defeet te' as imperfiction ef cach severity 'that it escoede the =8mf== acceptable tube wall thickness of SOL A tube y
containing a defect le defectiva.
Flerrian Limit is the imperfection depth beyond which the-tube mast be removed free service.becease the taba may.
become defective pring to the-aert acheduled inspection..
The.pluggieg limit is 40% of the ma=fmal tube unti. thickness.
'3. / orrective M6&aares, C
' All' tabes. th5t leak er have.degradaties exceeding'the plugging:
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1 Limit shall be plugged' prier.to retara to power from a-refueling, or inservice inspection condition.*'
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C.
Reports e
1.
After each inservice examination, the number of tubes plagged la each steam generator shall be reported to the Cosmissies as soon es practicable.
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2.
h complete results of the steam generator tube inservice-inspection shall be included la the Operating Report for the period'im which the inspection.was nugpleted. In addities.,
411 resulte'la. Category C-3 of Table.15.4.2-1 shairbe reportedito the Commissica prior?te resnaption of/ plant operattocn-c 3;. Esports shall include V p
(a); Number and'~ extent istitubes.inspeci.ed (b)' Eocatioo a:nd' percent' d all thickness' penetration for i'
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each Inditatima s
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(c) Identifics' ties of tabes p1'ugged 4.
Reports required by Table 15.4.2 Steen Generator Tube Inspection shall provide the information requited.by Specifi-cetion 15.4.2.C.2 and a description of investigations goaducted te determine' come of 'the tabe~ degradation and corrective
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measmres.tahe to prevent recurrence.-
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..~BL. T&-serviite Inspection of' Reactor Coolant System components other Than
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Steam Generator Tubes
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w N 'in-service inspect 1~on progra,m is genere11p has~ed on the recessendations-of'AstE Boiler sad presente Vessel Code, section II, smener.1971 aAAmada as practitel for a plant whose design and construction preceded' issaemoe '
K of the reca==*aAmtions.
The coendtsents hereia are made assuming that t-the necessary inspectica
. " ' # Point Beach Naclear Plaat Iksit I may be operated at, power with up to sia
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~ tubes la one steam generator havias degradation areeeding the. plugging ifmit '
provided these tabes.have been repaired by inserttoa of sleeves into the-
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tubes-to bridge the degradedter defelctive portion ' f the taba.
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8T10359 fft
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