ML20126D117

Special Maint Instruction SMI-1-1-1, Preservice Baseline Insp of Low Pressure Turbines

ML20126D117
Person / Time
Site:	Sequoyah
Issue date:	03/11/1980
From:	Simmons, Ziegler TENNESSEE VALLEY AUTHORITY
To:	TENNESSEE VALLEY AUTHORITY
Shared Package
ML20126D115	List: ML20126D112 ML20126D117
References
SMI-1-1-1-01, SMI-1-1-1-1, NUDOCS 8004170155
Download: ML20126D117 (13)

Text

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As s i it. ant S t.rerinte n lent (Maint.)

,, ,,,_ _ Admi n ut t ra t is e Supe r . i so r SPECIAL !!AINTE': A:lCE IN3TEUCT- )N . Main;enance Suri?rvi sor (M)

As s i > 1. . int a i nt enanco Sup rvi: oi : ,

S'41- 1_ t _1 _.. . Maji..enance Supervisor (E)

, Ass i .t ant Ma intenar co Sup rviror (

PRECERVICE BASELIN!: INSPECT [oN >F Mairecoance Supervisor (!)

U'.'IT 1 !/)W PIMS3HRE TlD 31 N M '. . . . Rehu ' t h Sulervisor Open.tions Fope rvi: o-

[QualityAsrurance'Fupervi;or

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, Chic' itor" Peeper Pr e< l Test P rogram l'..o r li na t ni

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Pre ered Fv 2.3 -le r.' N mmr ; Pub ; sa f. t v tervit t , - bSP Shi!t E w: t r e - s OfIice Revised 3y; U/A _.g _ _ _,

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NRC-1M'(i t

Pau i Secui i t e )f f i t < r. 604 PHB .

thici. a r Mat rials Cm rd tur tor Date Approved: bs -~ ~ M.inacer, OP-QMA Stalf h.I) k k _ _,2 P Pred Plant F.n g . Ili a nr's c NSRS, 109 GI:-K Technical h prort C"nter 1

R2v. No. Date Revi sed Pt.tes. Rev. No. Date

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Hrvu.d Pa m O _3 // p. All The last pas;e of this in:itruction is Ni.mber h 8 0041701 $~ 5 .

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SQNF SMI-1-1-1 Page 1 o f .-

. Rev. 0 1.0 PURPOSE AND APPLICA:llLIIT The purpone of this jnatruction is to provide a procedure for prebetvice in-spection of t he !! nit I f ou, pressure turbines to deten une the (c ndit:cn o f the turbines prior t.c service an.! to se rve as a banel.ne for future 2nnervi.e i n:,pe c t i o n.s . Visual and vo l umet ric exam i n..t i on> of t.he rotora, .lishn, and blading as requi red l y set t . on ') . 3 o f t he t echni ca l spe.:i ficatio ns will be performed and an evaluation of a ny f l .w indications fouad durir.p thu. pre-service eman nation thall he reported to the Nnt lea r Her,ulatory Coauni ssion.

2.0 PRERE;gUISiTCS 2.1 All "ork shall 1e coo rdi na t ed t hr.in- h t he ' pe r.it onn sec* iro and t he s h i l t. et :;1 nce r . Eq u i ps ie n t cern ved i r a n. ncivice sht!! be t agge ! by lloid Order pr ore ju re. . .u n. th. ragniaan- t ot a nan er sup;rvtsor shall remain on th. Pold Otiler unti vork is com; 1< teil. Refer to Al-9 0.0.b for tar.g ug with a Temposar3 .\ l t e r.i t i o n C. n t ro l form for itens within a clea aaie.

2.2 Obsn oe a li p re re.pii s i a . . t mt a ined ir IVA Vianat .:2;aaina t i m I s ot ed o N-VT-1 and West inghouse t i t casoni . In>pection Pro edure ("..ach! W j.

3.0 PHI:CAUTIOT_I .

Observe any precautions l i st ed in TVA Pr. cedu re N-VT-1 and Wes t i nghou."

Procedure (Punchiist ).

4.0 PREPARATION FOR WORK Identity an.) obtain any special tools re:pii red !.n w(rs. Re fer to vendor manuals and exsmination piorecures liste.1 in 1.recedirg :tep.

5.0 PERFORMANCF. OF h0RK 5.1 Disasnerr.ble LP turbiner and assor:ated cornp ir ent r to ,legro" neiessar. r provide accessibility to rot or, bla li ng an.1 <:isi r 1eference cpecific disassenbly precedures i n ven. o r r.ia n:a l .

5.2 Perform 1001 visual baseline examenition of all acie ;ible :.r. c f ares if the rotors, diskt an.1 Ilading, i n :o < r lan.co ,. i t i . 1VA Prorodone N4T-l.

Docuuent examination on data sheet I and a;'ach (opi 3 of aiI d.ita, i n-c]nding evaluation of any Ilas, indi . t iot.a l'c inid .

b.3 Perform a baseline ultiast.nic technsoue irus.*cet ien of L.h e las pressure turbines in acc ortlance i i t h We st innot u ;e In .t ruc t ion (Pupchlij.t]. A - e.a.

to be examined are t he l ore aml kesvay reg. mt rf tl+c dirks. Do cu.ne n t inspeitions on d.sta '.in e t I a.v! att.ob cope s of a data int ludin;; "v- .

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, Rev. 0 5.0 PEl< FORT!ANCE OF kORK (Cant . )

5.4 Reasneinble turbines per vendor maaual and r eturn to turnir4 gear.

5.5 Report inspectic.o resu l t s and eva l:1.sti ons to the NRC coWnitsion for their acceptance NOTE: The seque nce of 1.P turbine ilist,ssen't.ly amt reasseint ly may be adj us teil a s nere:.sa ry to ini n iini ze c ri t ica pat h t inic and over-all schedule.

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TVA -DIVISION CF .PCWER FRCDUCTION * .. Page ,

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- - VISUAL EXA?EUATION DATA S1'IET

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