ML20199L065

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Forwards Revised Description of Turbine Inservice Insp Program Based on GE Jan 1984 Methodology Rept.Revised Description Will Be Included in Next FSAR Update.Fee Paid
ML20199L065
Person / Time
Site: Hope Creek PSEG icon.png
Issue date: 07/07/1986
From: Corbin McNeil
Public Service Enterprise Group
To: Adensam E
Office of Nuclear Reactor Regulation
References
NLR-N86082, NUDOCS 8607090301
Download: ML20199L065 (15)
v • d • e


Text

-

  • e Pt.blic Service Electric and Gas Company Corbin A. McNeill, Jr. Public Service Electric and Gas Company P.O. Box 236, Hancocks Bridge, NJ 08038 609 339-4800 Vice President -

Nuclear NLR-N86082 July 7, 1986 Director of Nuclear Reactor Regulation United States Nuclear Regulatory Commission 7920 Norfolk Avenue Bethesda, Maryland 20814 Attention: Ms. Elinor Adensam, Director Project Directorate #3 Division of BWR Licensing Dea r Ms . Adensam:

TURBINE SYSTEM MAINTENANCE PROGRAM (LICENSE CONDITION 3)

HOPE CREEK GENERATING STATION DOCKET NO. 50-354 License Condition 3 of Facility Operating License NPF-50 requires Public Service Electric and Gas Company ( PS E&G) to submit a turbine system maintenance program based on the manufacturer's calculations of missile generation probabilities.

General Electric Company, the manufacturer of the Hope Creek turbine, has completed a probabilistic evaluation of the low l

pressure turbines at Hope Creek. Based on the attached results and recommendations from General Electric, which are based upon the methodology of GE report, " Probability of Missile Generation in General Electric Nuclear Turbines" dated January 1984, PS E&G

! will inspect the low pressure turbine rotors f or the unit over a six year interval during scheduled ref ueling outages. The revised description of the turbine in-service inspection program is attached (FSAR Section 10 . 2 .3 . 6) and will be included in the next update to the FS AR.

In accordance with 10 CFR 170.2 1, attached is a check for S150.00.

l This submittal satisfies the provisions of License Condition (3) and PSE&G requests that the condition be removed at the time that the full-power license is issued for Hope Creek Generating l Station.

l Sincerely, l

8607090301 PDR 860707 ADOCK 05000354

"~ h lf y O!

'l

O Director of Nuclear 2 Reactor Regulation' C Mr. D. H. Wagner USNRC Licensing Project Manager Mr. R. W. Borchardt USNRC Senior Resident Inspector

- . .. . - _ - _ m _ ~ - _ . _

1 LIST OF TABLES

' HOPE CREEK Table 1 - Summary of Missile Probabilities - LPA Rotor Table 2 - Summary of Burst Probabilities - LPA Rotor Table 3 - Summary of Probability Information 'for Total Rotor - LPA Rotor Table 4 - Summary of Missile Probabilities - LPB Rotor i

Table 5 - Summary .of Burst Probabilities -- LPB Rotor Table 6 - Summary of Probability Information for Total Rotor - LPB Rotor Table'7 - Summary of Missile Probabilities - LPC Rotor i Table 8 - Summary of Burst Probabilities - LPC Rotor Table 9 - Summary of Probability Information for Total Rotor - LPC Rotor l

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/Go O. 9.8fTd9~OT8E Ti9 1.1E-08 1.1E-08 1.1E-OS 1.1E-08 1 O. 1.1E-08 1.1E-08 1.1E-OO 1 71D 1.8ET O7 4.2E-07 f G.2E-08 6.3E-08 6.6E-08 9.8E-08 C2f-08 6 2E W GT2CO'b G7 F08 LPu G.

2.5E-07 4.5E-07 1.1E-06 1.OE-07 1.8E-07 8.9E-07 1.9E-07 1.9E-07 O. 1.aE-07 1.8E-07 UdlT

'A' ROTOR HOTE: 1. *1TA* ullEEL IDENTIFICATION REFERS TO FIRST TURBINE ENO WHEEL OF LP TOTAL SERVICE TittE (YEARS) ACCUNULATED TO LAST INSPECTION

2. 'LASr INSP* REl'ERS TO IS To0TVATEfif T6 5 56233 ii~ a. ALT T'R6DABE T.il ES~h"XPhESSELi~off XH~XllRO4CTAMS (
  • 2. 3E~63 '

+ __

e wu

p-1 yg _

  • * *
  • W Ve YM' =W

" W %- $"

Y TMa%% TdMb' " ^2"'WM m .  ?.

4

  • - M ya g g ;. - .._

u (I lelT(: t-tOLIC SERVICE ELECTRit: 4 GAS

  • s X110N; it0PE CREEK 41
' L . Itu. in0 TOR: 170x553 - LPS TABLE 5
  • 05/20/.0 L --

.Ivibloli 2 -

SUMMARY

OF DURST PROBABILITIES l i fl il 3.4 f T PREUA RMI NO 4,0 YRS 5.0 YRS 8.0 YRS __ ;

UllCEL LAST ADDITicilAL SERVICE1.0 TlHE YRS MEASURED 1.5 YRS FROM 2.0 YRS LAST2.ROTOR 5 Yfts INSPECTION 3.0 YRS ID Il4SP O. YRS 0.5 YRS ....... ....... ....... ....... i 7.1E-10 1.4E-09 4.5E-09 6.1E-10 6.2E-10 6.2E-lO 2.9E-09 G.1E-10 6.1E-10 1.2E-09 .

6.1E-10 6.1E-10 8.2E-10 8.2E-10 8.6E-10 ICB O. 8.2E-10 8.2E-10 0.2E-10 '

ITD O. 8.2E-10 _8.2E-10 2.OE-09 4.8E-09 f.4E-09 1.4E-09 1.4E-09 1.5E-09 2.6E-08 1.4E-09 1.4E-09 1.4E-09 1.4E-09 1.6E-09 1.6E-09 2.4E-09 6.8E-09 2GD O.

1.6E-09 1.GE-09 1.6E-09 8.6E-09 2TB O. 1.GE-09 6.1E-08 2.SE-07 2.6E-09 3.4E-09 1.3E-08 2.OE-07 2.4ET O ~9

-~ ~

2 TE-09 2.4E-09 2.4E-09 2.4E-09 2.6E-09 3.2E-09 1.1E-08 4.9E-08 riEu O. 2. 4 E-09 2.4E-09 O. 2.4E-09 2.4E-09 2.4E-09 3TB 8.2E-09 1.8E-08 8.OE-08 _

6.4E-09 6.5E-09 1.1E-06 G.4E-09 6.4E-09 6.4E_09 -

G.4E-09 6.4E-09 9.4E-09 6.7E-08 3.1E-07 4GD O. -

2.lE-09 2.6E-09 4.OE-09 4TB O. 271ETOO 2 TE-09 2.lE-09 4.1E-08 9.9E-09 1.1E-08 1.7E-08 9.7E-09 9.7E-09 9.7E-09 0.8E-09 9.8E-09 1.OE-08 1.1E-08 1.3E-08 2.2E-08 000 O. 9.7E-09 1.OE-OO 1.OE-08 3.OE-08 1.OE-08 SYb O. 1.OE-08 1.OE-08 4.9E-07 1.3E-08 5.9E-08 1.7E-07 6.OE-09 6.OE-09 6.OE-09 6.2E-09 7.5E-09 7.0E-09 7.3E-09 8.1E-09 1.1E-08 GGL O. 6.OE-09 7.OE-09 7.OE-09 7.OE-09 7.OE-09 O. 7.OE-09 7.OE-09 GTb 9.8E-09 9.8E-09 9.8E'-09 9.8E-09 9.8E-09 OTaF6'9 9.GE-09 9.8E-09 9.8ETO9 1.1E-08 1.1E-08 1.1E-08 1.1E-08 edd O. 978T~O5 1.1E-OO 1.1E-08 1.1E-08 1.1E-08  !

7TO O. 1.lE-08 1.1E-08 ~

I 7.5E-08 8.7E-08 2.1E-07 6.8E-67 2.3E-06 {

~ ~

1 TL'-dG 7.TE;OC / TIE-08 7.2E-08 t

~W L O. 771i[~-O8 5.6E-07 1.8E-06 6.3E-06 __

2.1E-07 2.2E-07 2.5E-07 2.1E-07 2.1E-07 2.1E-07 i utilT O. 2.1E-07

'A' ROTOR tiOTE: 1. *1TA* WifEEL IDENTIFICATIOtt REFERS TO FIRST TORalNE ENO WHEEL OF LP

2. *lAST INSP* REFERS TO TOTAL SERVICE TlHE (YEARS)

~

IS E5019KGRTACCUHULATED W W 6231 TO lAST INSPECTION

3. All t'HUBASICllTES l3PRESSE.lf ON KtTTdh0KL- TK5TS (
  • 2T5E 03-i 1

4 pmee _ _

  • ** W.M
  • e ee . .

.mem genu w e-w.8.a e

- gw* e" . *:

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e s l i t_ I TY : Pil6LIC SERVICE ELECTRIC & GAS 36.11648; itO.'E CREEK #1 '

i t. 6 ks . /f.0YOR : 170X558 - LPD TABLE 6 05/20/.35 _

t.EV I G l ott 2

SUMMARY

OF PROBADIt.lTY INFORMATION FOR TOTAL _ ROTOR

fgikau f s' lieu ARM l HO i

YEARS TO A>1.0 YEARS To A>2.5 YEARS TO P(BURST) ---------------------- l YEARS TO P(HISSit.El ------ ---------------

----------- IE-3 1E-2 1E-1 5E-1 1E-3 1E-2 IE-1 SE-1

---- -- Z------

lUn WOL INSP LAST IND 1E-5 1E-4 1E-5 1E-4 1E-3 1E-2 .... .... .... .... .... .... .... ....  ;

3E-6 SE-G  !

ID ID DATE ....

lilSP....

SIZE .... .... .... ____ .... .... .... ....

6.0+

6.0+ G.0+ 6.0+ 6.0+

6.0+ 5.9 6.0+ 6.0+ 6.0+ 6.0+

G.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+ 6.0+ G.0+ 6.0+

O. O. 'G.0+ 6TO + 6.Ot 6.0+ 5.9 6.0+

l'il IGu 6.0+ 6.0+ G.0+ 6.0+ G.0+ 6.0+

G . O t_ -

ITu O. O. 6.0+ G.0+ 6.0+ 6.0+

0.0+ 6.0+ 5.3 6.0+ 6.0+ 6.0+ 6.0+

G.0+ 6.0+ 6.0+ 6.0+ G.0+ 6.0+ ,

O. G.0+ G ._ O + G.0+ 6._O +

0.0+ 6.0+ 5.3 6.0+_

qGD O. 6.0+ G.0+ 6.0+

D. O. G.0+ G.0+ G.0+

G.0+ 6.0+ 6.0+ 6.0+

2fu 3.6 4.9 6.0+ 6.0+ 6.0+ _

G.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+

G.0+ G.0+ G.0+ 6.0+ 6.0+ 3.6 4.9 6.0+

3GD O. O. 0.0+ G.0+ 6.0+ 6.0+

O. G.0+ 6.0+ 6.0+ 6.0+ 6.0+

GTO O. 6,0+ 6.0+ 6.0+ G.0+ 6.0+

6.0+ 6.0+ 6.0+ 5.7 G.0+ 6.0+ 6.0+ 6.0+

6.0+ 6.0+ G.0+ 6.0+ 0.0+ 5.7 6.0+ 6.0+ 6.0+

3GD O. O. 6.0+ G.0+ 6.0+ 6.0+ 6.0+

6.O* 6.0+ G.0+ 6.0+ 6.0+ 6.0+

4TB O. O.

6.0+ 6.0+ 6.0+ G.0+

6.0+ 6.0+ 6.0+ 6.0+ 8.0+ 6.0+ 6.0+ 6.0+

670+ 6.0+ G.0+ G.0* 6.0+ 6.0+ 6.0+ 6.0+ 6.0+

dt.iO~ 0. O. 6. 0 + G.0+ 6.0+ 6.0+ 6.0+

O. 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+

GTS 0.

6. 0 + ' 6.0+ 6.0+ G.0+

6.0+ 6.0+ 6.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+

G.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+

GGD O. O. G.0+ 6.0+ 8.0+ 6.0+

6.0+ 6.0+ G.0+ 6.0+ 6.0+

bob O. O. 6.0+ G.0+ 6.0+ 6.0+

6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+

G.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+ G.0+ 6.0+

O. O. 6.0+ G.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+

7CC G.0+ G.0+ G.0+ 6.0+ G.0+

7i0 O. O._

G.0+ 6.0+ 6.0+ 6.0+

3.2 4.3 6.0+ 6.0+

6.0+ G.0+ 6.0+ 6.0+ 6.0+ --

O. O. 6.0+ G.0+ 0.0+

i.uTUR G.0+ 6.0+ 6.0+ 6.0+

2.9 3.7 5.3 6.0+

6.0+ G.0+ 6.0+ 6.0+ 6.D+

O. O. G.0+ G.0+ G.0+

Ulit T ,

T INSFfCTT6N HEASURSD FRON THE LAST. ROTOR INSPECTION,

~

' t uffE; 1?QSl~THW7<EFL'Rs TO70 TAC 3ER7TWYfht~TVEXfSTT6COMULATEO TO LASREFERS TO Tile (E.G. *3E-G'); SINILIARLY FOR P(BURST)

ADul .

2. ' YEARS TO P(lilSSILE)
  • REOuli1ED Tu REACil THE INalCATED LEVEL OF HISSILE PROBASILITYREGulRED ~

V TO

( E3.REACH

" A SITUATION WitERE THE l'ET 3*)

3. ' YEARS TO A>I.O' REFERS TO THE ADD *L SERVICE TINE (VEARS) ~

'6.0+'

ul* fikVTNu A CdNCIOWsII GHEAYErTITAtT

' YEARS Tu' ARE EXTilAPOLATED DAE7tH TO BE GREATER THANIS 6.0E'OUAT~Y6 YEARS, TOE' II401CATED LE ELT

4. WitEH TADt.E val.UE OF

'.9 I W" #

.-p-.. * - . . . . . ,g gg g.=re m os w-..me.m gg,gg p -.,y *

,M, ,.,..ggs,- y.

, I tha _ .L

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teill I TY: PtsnLic SEliVI CE ELECTTII C & GAS ,

.i? T I Oi4; IlvPE ChtEK .31 __.

i n . . s ks . /nOTOR 170XUb0 - LPC TABLE 7 05/20/85 __

.iV I :6 t Oli .3 SutH1ARY OF MISSILE PROBABILITIES

' Jill .t T PREUARttillO i INSPECTION 4.0 YRS 5.0 YRS 6.0 YRS _ .

ADDITIONAL SERVICE1.0 T!HE MEASURED 2.5 YRS 3. 0 YRS 4.5 YRS FROM LAST ROTOR  ;

til1 EEL LAST 0.5 YRS YRS 2.0 YRS ....... ....... . . . . . . . .......

t ID lliSP O. YRS ....... ....... ....... .......

9.4E-10 9.4E-lO 9.4E-10 9.7E-10 9.4E-10 9.4E-10 9.4E-10 9.4E-10 2.OE-09 2.OE-09 2.OE-09 O. 9.4E-10 9.4E-10 2.OE-09 2.OE-09 2.OE-09 IGC 2.OE-09 2.OE-OO 2.OE-09 1TC O. 2.OE-09 6.9E-10 6.9E-10 6.9E-10 7.1E-10 6.9E-10 6.9E-10 6.3E-10 6.4E-10 6.6E-10 6.9E-lO 6.9E-10 6.3E-10 6.3E-10 6.3E-10 OGC 0, 6.9E-10 6.3E-10 6.3E-10 6.3E-10 6.3E-10 2TC O. 6.3E-10 2.6E-09 5.9E-09 1.5E-09 1.5E-09 ~1.7E-09

1. 5F 09 1.5ET OO 1.5E-09 1.6E-09 1.4E-09 1.5E-09 2.1E-09 4.3E-09 ,

GG'C O. 1.5E79 1.4E-09 1.4E-09 8.4E-09 1.4E-09 t OTC O. 1.4E-09 1. 4 E,- OD 2.1E-09 l 1.5E-09 1.5E-09 1.5E-09 1. G E_- 09 2.8E-09 1.5E-09 1.5E-09 1.UE-09 1.5E-09 l.5E-09 1.dt-09 1. 45T09 1.5E-09 1.8E-09 4GC O. 1.48 709 1.4E-09 1.4E-09

~

.Ud O. 1. 4ET^ O9' '- ' l . 4 EID'9 9.6E-09 1.5E-08 3.7E-08 6.6E-09 8.5E-09 8.6E-09 2.2E-07 8.4E-09 8.4E-09 8.4E-09 8.4E-09 5.1E-09 6.1E-09 1.5E-08 5.9E-08 bGC O. 4.8E-09 4.8E-09 4.8E-09 O. 4.8E-09 4.dE-09 2.OE-08 bTC f.OE-08 1.1E-08 1.3E-08 1.OE-08 8.OE-08 1.OE-08 8.6E-09 1.1E-08 1.9E-08 1.OE-08 1.OE-08 1.OE-08 7.8E-09 7.9E-09 CGC O.

7.SE-09 7.8E-09 7.8E-09 7.8E-09 __

GTC O. 7.8E-09 1.1E-08 1.1E-08 1.1E-08 1.1E-08 1.lE-08 1.1E-08 9.8E-09 1.1E O8 1.1E-08 1.1E-08 1.1E-08 9.8E-09 9.8E-09 9.8E-09 9.8E-09

~ - ~ ftTC O.

9.8E-09 9.6E-09 9.8E-09 9.8E-09 7TC O. 9.8E-09 ~

7.6E-08 1.3E-07 3.4E-07 G.2E-08 6.3E-08 6.4ETO8 t N -d'8 C2C~08 6.2ET68 6. 2FO8 LVC 0.

2.5E-07 4.5E-07 1.lE-OG 1.8E-07 1.8E-07 1.9E-07 1.9E-07 1._9E-07 -

q Util T O. 1.6E-07 1.8E-07

  • A' ROTOR b 110TE: 1. *1TA' llHEEL IDENTIFICATION IIEFERS TO FIRST TURalllE END WHEEL OF LPACCUMULATEO ~ TO LAST I 2 *lAST INSP* REFERS TO TOTAL SERVICE TINE BYEARS1I'2.3E Ob' 1S EQUTUKLEFfNO776231 37El~MGliABICTY~fm'XPHESSrti drAfrXHNUKL 8 ASIS

~

i i

_. f

- - * ~ *

* '

P s=he=

  • =, gg ..-e w g M4 heme g mvg. .g

n .

N w .

?

I ti e l t_ I TY : PtIRLIC SERVICE ELECTRIC S GAS

' .i2( I Ol4 ; itOPE CliEEK G1

~

i Yd . i!.) . /RO' OR : 170XSb3 - LPC TABLE 8 05/20/.3 L il .MV3SION 2

SUMMARY

OF DURST PROBABILITIES Ul Yl;quT PREUAllHil10 i (MZEL LAST ADDITIONAL SERVICE tit 1E MEASURED

1. 0 YRS 1.5 YRS FROM2.0 LAST YRSROTOR2.5 INSPECTION YRS 3.0 YRS 4.0 YRS 5.0 YRS 6.0 YRS ID I4SP O. YRS 0.5 YRS ....... ....... . ..... ....... ....... . . . . . . .

9.4E-10 9.7E-10 1.2E-09 2.3E-09 9.4E-10 9.4E-10 9.4E-10 9.4E-10 9.4E-10 9.4E-10 2.OE-09 2.3E-09 3.6E-09 ICC O. 2.OE-09 2.OE-09 2.OE-09 2.OE-09 O. 2.OE-09 2.OE-09 2.OE-09 ITC 5.2E-09 1.3E-09 1.3E-09 1.4E-09 2.1E-09 1.3E-09 1.3E-09 1.3E-09 1.3E-09 l.3E-09 1.2E-09 1 3E-09 2.OE-09 5.6E-09 j 2GC O.

1.2E-09 1.2E-09 1.2E-09 1.2E-09 1.2E-09 2TC O. 1.2E-09 3.1E-09 1.3E-08 6.lE-08 2.5E-07 2.1E-09 2.1E-09 2.2E-09 2.4E-09 3.9E-08 1.6E-07 36C O. 27E709 2.1E-09 2.6E-09 8.4E-09 l 2.OE-09 2 OE-09 2.OE-00 2.OE*O9 2.OE-09 2.1E-09 GTC O., 1.OE-07 4.8E-09 5.0E*O9 8.3E-09 2.7E-08 4.7C-09 4.7E-09 4.7E-09 6.OE-08 2.2E-07

<;GC O. 4.7E-09 4.7E-09 4.6E-09 4.8E-09 5.7E 09 1.5E-08 4TC O. CbR9 4 . 5E~0~9 4.6 ~09 4.5E-09 8.8E-09 9.0E-09 1.1E-08 2.2E-08 6.7E-08 O. 8.7E-09 8.7E-095 8.7E-09 E.7C-09 8.7E-09 7.7E-09 2.6E-08 1.1E-07 4.4E-07 UGC 4.9E-09 4.9E-09 5.OE-09 5.6E-09 STC O. 4.9E-09 4.9E-09' 1.0E-08 1.1E-OS 1.5E-08 2.6E-08 1.OE-00 1 OE-08 1.OE-08 1.OE-08 1.3E-08 2.4E-08 GGC O. 1.OE-08 1.OE-08 7.9E-09 7.9E-09 8.0E-09 9.1E-09 f O. 7.DE-09 7.sE-09 7.9E-09 7.9E-09 GTC 1.1E-08 1.1E-08 1.1E-08 1.1E-08 1.1E-08 1.1E-08 1.1E-08

~

/CC O. 1.f R 8 1.1LC~O0 1.1 E~-00 0.8E-09 9.8E-09 9.BE-09 9.8E-09 9.CE-09 9.8E-09

[ 9.CE-09 9.8E-03 9.SE-09 9.8E-09 I g

7TC O.

7 . 8 ET O'8 1.3E-07 3.8E-07 1.3E-OS

~

77E78

~

/ 2E-OO 7 2C-08 7.2E-08 7.3E-08 a.rc O. C2t'-Oa 0 2.5E-07 5.6E-07 1.8E _OG 6.3E-06 2.1E-07 2.1E-07 2.1E-07 2.1E-07 2.1E-07 2.2E-07 Ull T O.

l i 'A' ROTOR  ;

I!OTE: 1. *1TA* LillEEL IDCHTIFICATION REFERS TO F]RST TIMBINE END WHEEL OF LP

2. *LAST INSP* REFERS TO TOTAL SERVICE TINE (YEARS) ACCUHULATED I CL"QDTUACENDCd'D' TO LAST0231 INSPECTION

~

U. Ai.L PR(idABlLTT~IE3MME'SSED OCAIGHf40KC'BA5FPTSE%3' o

d' ome 8 - er,

__.e_._

t .m__m e -,e 0 - - . w - ne w m e . .- . - -. . - - - - - - - .s ou..m . c . . . m _. _

L

m

. f 8 8Y l l. l TY : PUBLIC SERVICE ELECTRIC S OAS U JilLil: HoCCft2 ETA 1 at . e au . / GUTOR : 170X533 - LPC s2VISIOli 2 TABLE 9 SUf1 MARY OF PROBADILITY I NFORt1ATION FOR TOTAL ROTOR 05/20/85

}!Illt.AIT PREUARMl HO YEARS TO P(MISSILE) YEARS YO P(BURST) YEARS TO A>1.0 YEARS TO A>2.5

.idf Tilla. InsP LAST IVf) ---------------------- ----- ----------------

to ID DATE lilSP SIZE 3E-G SE-6 1E-5 1E-4 1E-5 1E-4 IE-3 1E-2 1E-3 IE-2 1E-1 5E-1 1E-3 1E-2 1E-1 5E-1 Tidi lifC O. O. 6.0+ G.0+ G.O+ 0.0+ G.0+ 6.0+ 6.0+ 6.0+ 5.9 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ l ITC 0. O. G.0+ 6.0+ G.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+ 5.9 6.0+ 6.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+

2GC O. O. G.0+ G.0+ G.0+ 0.0+ G.0+ G.0+ 6.0+ 6.0+ 5.3 G.0+ G.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+

-"~ 2TG D. O. 6.0+ G.0+ G.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 5.3 6.0+ 6.0+ G.0+ G.0+ 6.0+ 6.0+ 6.0+

3GC O. O. G.0+ 6.0+ G.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+ 3.6 4.9 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+

3TC O. O. 6.0+ 6.0+ G.0+ G.0+ G.0+ 6.0+ 6.0+ 6.0+ 3.6 4.9 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ l t

I 4GC O. O. 6.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 5.7 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+

I 4TO 0. O. 6.0+ -6.0+ G.0+ 6. 0+ 6.0+ 6.0+ 6.0+ 6.0+ 5.7 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+

~-

6GC- u. a. 670+ 6T0+ d D+ 6706 G.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+

STC O. O. 6.0+ G.0+ G.0+ 6. 0 + G.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+

GOC 0. O. G.0+ G.0+ G.O* 6.06 G.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+_

LTc O. O. G.0+ GTD+ GTD + 670+ G.0+ CO+ 6.0+ 6.0+ G.0+ G3 + 6.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+

7GC O. O. 6.0+ G.0+ 6.0+ G.0+ G.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ G.0+ 6.0+ 6.0+ G.0+ 4 1

7TC O. O._ G.0+ G.0+ G.0+ G.0+ 6.0+ 6.0+ 6.0+ 6.0+ 6.0+ G.0+ 6.0+ G.0+ G.0+ 6.0+ 6.0+ 6.0+_

lh.D OR O. O. G.0+ G.0+ G.0+ 6.0> G.0+ 6.0+ 6.0+ 6.0+ 3.2 4.3 6.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+ l llNI T O. O. 6.0+ G.0+ G.0+ 6.0+ G.0+ 6.0+ 6.0+ 6.0+ 2.9 3.7 5.3 G.0+ 6.0+ 6.0+ 6.0+ 6.0+

slu i t. ; i. LAST 711SF"~RCITits- Tu~TOTAI.- 5ERVI CE TIME TVEAMS) ACCUMULAirp TO LAST I NsPECTTBN l

2. 'YEAlaS TO P(IIISSI LE)
  • REFERS TO Tile ADDITIOllAL SERVICE TIME (YEARS), NEASURED FROM THE LAST ROTOR INSPECTION, REQUIRED TO REAcil Tile It!DICATEli LEVEL OF IllSSILE PROOABILITY (E.G. '3E-G'); SINILIARLY FOR P(BURST)
3. ' YEARS TO A>l.O' R!iFERS TO Tite ADD *L SERVICE TIME (YEARS) REQUIRED TO REACH A SI TUATION WilERE THE PROBABILI TY OF HA7THCA CRACK GEPYlT GREXTEMilATT OHE ITTcu Is EQUAI~TS THE TM1TC4TED'IEVEE TE 0 ~'TE;b-)
4. WilEN TADLE VAlllE OF ' YEARS TO' ARE EXTLtAPOLATED YO BE OREATElt THAN 6.0 YEARS. THEY ARE REPORTED AS '6.0+'

i a

M

. - - . . t

--.e -

-- - - - . - - - - . _ _ .. e---- - _ - = -

4 HCGS FSAR 1/84 1 .

10.2.3.5 Preservice Inspection New The preservice inspection program is as follows:

a. Wheel and rotor forgings are rough-machined with minimum stock allowance prior to heat treatment i b. Each rotor and wheel forging is subjected to a 100%

volumetric (ultrasonic) examination. Each machine-finished rotor and wheel is subjected to a surface magnetic particle and visual examination. Results of this examination are evaluated by use of General

Electric (GE) acceptance criteria. These criteria are

[ more restrictive than those specified for Class 1 i components in the ASME B&PV Code, Sections III and V, and include the requirement that subsurface sonic indications are either removed or evaluated to ensure that they do not grow to a size that compromises the integrity of the unit during the service life of the unit.

l c. All machine-finished surfaces are subjected to a l magnetic-particle examination. No magnetic-particle l flaw indications are permissible in bores, holes, l keyways, and other high stressed regions.

l

d. Each fully bucketed turbine rotor assembly is spin-tested at or above the maximum speed anticipated following a load rejection from full load.

10.2.3.6 Inservice Inspection mue m I A The servic inspe ion p gram f the debine ssembly and va es inc des t follo g:.

. Dur ng out es fo inserv ce ins ction and r ueling, tions f the urbine genera e are isasse led for nspec on. T se po ions the t rbine- nerator o be in ected te de rmined oth b the p formance f eac elemen or pi ce of uipme and b previous e eriene and i pecti s, in ustry e erience, nd od in stry actice .

l 10.2-12 Amendment 4 l

^

l@Eer A cogr'o HCGS FSAR 05/86

/ Th inspe ion nsists visua , surf e, an v umetr exam ations as fol ws:

1

1. hen itical reas o the un are xposed uring ins ctions, hey a nonde ructi ly te ed by ul rasonic estin magne c-par cle t ting, quid p etrant or edd -curre test g, an receiv a comp te vis 1 ins ction In so e cases more t an one ethod s use to ens e the int rity o the pi ce. T ose ar as nor 11y t ted in ude, b are t lim ed to the otors, eel b es, k ways, ucket ovetai ,

pins o finger ype d etail , bear g jou als, coup ngs, c pling olts, ozzle locks, dia ragms, ucke , val stea , valv s, and

s. Th e ins ectio will e cond ted a pproxi tely -year interv s '.
b. The main stop valves, control valves, and combined intermediate valves are inspected and nondestruc',ively tested at a frequency based upon their operation, operational tests, industry experience, and good industry practices. Critical areas such as the valve stem, seats, valves, bushings, and casings receive an ultrasonic test, liquid penetrant test, or magnetic-particle test, and a thorough visual inspection. At least one valve of each type will be dismantled for inspection at approximately 3-1/3-year intervals. If unacceptable flaws or excessive corrosion are found in a valve, all valves of its type are inspected. Valve bushings are inspected and cleaned, and bore diameters

! are checked for. proper clearance.

c. Main stop and combined intermediate valves are exercised at least once a week by closing each valve and observing by the valve position indicator that it moves smoothly to a fully closed position. High

- pressure turbine control valves are exercised at least INSERT B once a month through at least one complete cycle from the running position. Proper valve motion is verified by observing the valve position indicator.

d -o-10.2.4 SAFETY EVALUATION ,

The turbine-generator has no safety-related function. Failure of the system does not compromise any safety-related system or component or prevent a safe shutdown of the plant.

10.2-13 Amendment 15

HCGS FSAR INSERT A to FSAR Section 10.2.3.6 The following turbine system maintenance program is based upon the manuf ac t ure r' s recommendations and calculations of missils generation probabilities,

a. The i n-s e r vi c e inspection program for the turbine assembly includes disassembly of the turbine in stages over a six year interval during plant shutdowns such that the turbine is inspected within six years. This includes complete inspection of all normally inaccessible parts, such as couplings, coupling bolts, turbine shafts, low pressure turbine buckets, and low pressure wheels. This inspection consists of visual, surface, and volumetric '

examinations, as indicated below:

1. A thorough volumetric examination of all low pressure wheels, including areas immediately adjacent to keyways and bores, is conducted.
2. Visual examination of all accessible surfaces of rotors and wheels.
3. Visual and surface examination of all low pressure buckets.
4. 100% surface examination of couplings and j coupling bolts.

INSERT B to FSAR Section 10.2.3.6

d. The extraction check valves will be tested weekly ,

with the turbine on-line and loaded to assure that each valve is capable of being actuated by its power cylinder, and to exercise the mechanism so as to keep it free to move.

I t

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