ML20101A447
| ML20101A447 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 04/16/1992 |
| From: | Beck G PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9204220157 | |
| Download: ML20101A447 (7) | |
Text
-. - -.
Pl.IILADFLPillA ELECTRIC COMi%NY NUCIIAR GROUP fil!ADQUARTERS 955 65 CHESTERBROOK llLVD.
WAY NI?, PA 19087 5691 (215) 640 6000 i
Nucu%R ENGINELRING & $1 RVICLS Dfi%IllMENT April 16, 1992 Docket Nos.
50-277 50-278 License Nos.
DPR-44 ;
DPR -56 U.S.
Nuclear Regulatory Commission Attn:
Document. Control Desk Unshington, DC 20555 SUBJF.CT:
Poc.ch Dottom Atomic Power Station, Units 2 and 3 Clarjfication of Second Interval ISI Program Rollef Roquests REFERE*1CES:
(1) Letter from G. A. Ilunger (PEco) to USNRC, dated November 15, 1990 (2) Telocon between PEco and USNRC Staff, dated January 10, 1992 (3) Lotter from G. J. Beck (PECo) to USNRC, dated March 19, 1992
Dear Sir:
In the Reference 1 letter, Philadelphia Electric Company supplied a:revisec edition of the "Inservico inspection (ISI)
Program Second Ten Year Interval" for Peach Bottom Atomic Power Station (PBAPS), Units 2 and 3.
As part of this t?.nnsmittal, noventeen (17) Rollef Requests were submitted for information or review and approval.
In the Reference 2 telecon, additional clarification regarding lour (4) of the seventeen Relief Roquests was requested.
In response to this telucon, updated copies (Revision 1) of the four Rollef Requests were provided in the Reference 3 letter.
During.the preparation of these
. changes,-the remaining thirteen (13) Relief Requests-submitted in the Reference 1 letter were-reviewed.
Necessary changes were identified in-an additional three (3) of thir*_een regimsts t RR-4, RR-6, and RR-14).
Revised copies of Relief Requests RR-4 and RR-14 were 'also submitted in Referonce 3 with a commitroent to supply Rollef Request RR-6 by April 17,1992.
Attached is the revised Rollef Request RR 6.
P20099 A,
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E88438bs 08f5$77 G
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__..____._m._._._,_
. Peach Dottom Atomic Power Stat!on, Units 2 and 3 Pago 2 Clarification of Sucond Internal ISI Progran.
Relief Roquests RR-06 clarifles information relativo to t.ho code exanination category / item numbar and reforences t.o applicable system acronyms.
Additionally, one component has buon added to Table RR-06-02.
The revised.Rolief Roquests will bo forma]Iy incorporated Anto the ISI Program S.nocitteation following rocolpt of the program uafety evaluation acknowledging their acceptanco.
It'you havo any questions, pinase contact us.
Sincoroly, hrb 6%
cn Georgo J. Bock Manager, I.icensing Section cc:
J, J.-Lyash, USNRC Genior Resident Inspector l
T. T. Martin, Administrator, Rogion I, USNRC i
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8 h
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h
~i;=._...,-.
Specification M 733, Rce. 0 PDAPS 2 & 3 ISI Progfam Appendix A 6 Page 1 >f S REl.lEF I".:Q U ES I N O. RI!.06 Re.ijon i 1.
I D!iN) I F IC ATlO N O F_COMiOnll jil,.S.
ISI Class ! integral attechmea:s for pi:>ing and purnps, Code !!xamie. ion Cetegory D.K.1, Jtem Numbers 1310.10 and B10.20.
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CODILhEOl11REMENTS FR_OM W!!!Cil REl.lEF 15 REQllESTED ASMB Section XI 1950 Edition Winter 1981 Addenda, Cc6 Category D.K 1 requires a voRmetric or wrface examination of casco'la"y 100% of the wcld length of integrtdly weMed a:tachments to piping and pempi during the secos.d inservice 2 upection interval, T
Relief is requested from performance of a complete exurdnation cf the Code required arca/vo!ume of the wcld due to limited accessibility resulting from plant de:;i;;n, i
comportant configuration, and/Cr metallurgical or envifoumental restraints F
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' BASIS FOI(llliL!rd I
The afTected wilde vre individually detailed in Tab!c itR 06-01 and RR 06-0).
I-rab!c RR %01 list, those, integally welded attachments where oanunation is artially/ completely obstructed due to plant design, i.e.
access for complete examination is obstructed - by other cuential plant components (whip restraints, containment penetration, ether support components such as lugs...)., These welds are
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examined to the maximura extent practical.
Increased ex.imination overage is not poulble without costly r>lant redesignimodification.
Ta' ele-!W 06-02 lists those integrally wc!ded attachments (pipe luga) where complete ex:unination is nc? practical due to the support pipe clamp. Complete examination is i
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SpCCifiCAtIoft hl7.U Rev,0 PilAPS 2 & 3 151 Program Appendix A 6 Pne 2 of 5 hl:8.11:l' nl QU13T hD. Ha 06 (CON 1D.)
Revision 1 l
possibb only upon removal of the clamp.
Removal of the clamp involves engineering.nalysis and rigging / temporary r.upport of systems important to plant l
a small percentap of increased examination covetage.
safety, in order ta gain Exarnination of accessibic portions of the atla-hmtut wcld-ptovide assurance of structural inter ity without urmecessary hardship.
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AI,TERNETE PJJOVISl_0M 3
J No alternate provisione are practical for the components listed in Table RR 06-01.
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For those pi c cupport logs listed in 'f abic RR 06 02, examination of the obstructed t
weld locations will be perictmed t.hould the pipe clamp be removed for maintenance or otiier reasons.
t s
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4 s
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-....... _....,,-.. U -~,.......
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--c.5 1,---.
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-.-_.m.-.____._...__.-
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Specification bl.733, lley. 0 l
PDAPS 2 & 3 151 P:Opun Appendit A 6 Parc 3 CI 5 ItEl.lEr ItEQUEST NO. 111106 (CON 1'O.)
Revir on 1 l
i TAlltX R4 06._01 l
PlinPS tlNTFS 2&3 fjpmiratior Cemry D lblylicm Nq.lH013 l
i EXAMINATIC A AREA EXAMINATION %
SYSTEM JDENTlflGliOON tLNlij COMP! ELE 8
{
61.S.
gal (IA) 2 0%
M.S.
GBl (IA) 2 0%
M.S.
~ GCl (!A) 2 0%
M.S.
GDI (IA) 2 0%
1111R 10DCN.lll56 (IA) 2 80 %
M.b.
val (IA) 3 0%
M.S.
GDI (IA) 3 0%
M.S. -
GCl (IA) 3 0%
M.S.
GDI (IA) 3 0%
F i
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t 1.
Appretimate % complete l'ased on Code required examination' area.
f f.-
+
y r-w,,.r
-r - h g-g g-,w.g-yg
,y r
w< e,ay,.m e,.,-,es,e.*6
-r-+=re,
+v-w
+=4-w-+
&=e+-re 1-%-s+
w w e r _, we = =
,e
- r e er wv iu-ets -- e or e n e mt--r m+
- =-W1 mm-
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W+=+
~n.--...~-..~-----.-..--_-
.... ~ ~ ~.. -. -, -.., -.. - ~.. ~. --n.~..
$pCCi ifAtlOtt M 733, Rev. 0 PilAPS 1 & 3 151 Propam Appendix A 6 Page 4 of 5 fil:1.lEl' REQUl:61 NO. Ril.06 (CONIR) i Re sion i I
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Bil_Is i_. Rt'.06-02, l
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PilAPS UN8M 43 ERminglin!Lfiynn'._
m No 111010 t
- EXAMINATIGN AREA EXAMINATION %
$"dTEM IDENTililEUDE UNil fpMPlj'T M.S.
lIA! (IA) 2 80 %
M.S.
11113 (IA) 2 50 %
M.S.
IIC3 (IA) 2 80 %
M.S.
Iliei O A) 2 80 %
RECIRC lilA (IA) 2 80 %
RECIRC 11111 (I A) 2 80 %
RECIRC 119A (IA) 2 80 %
l RECIRC 11911 (IA) 2 60 %
~ F.W.
FM.
6DD.!!$8 (IA) 2 80 %
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- C.S.
14DCN ll73. (I A) 2 80 %
C.S.
14DCN 1174 (IA) 2 80 %
C.S.
14DCN il77 (IA) 2 80 %
C.S.
14DCN ll7S (IA) 2 80 %
llPCI 23DIiN il51 (lA) 2-80 %
M.S.
IIAI (IA) 3 80 %
l 4
M.S.
11I13 (IA) 3 80 %
. M.S.
!!C3 (IA) 3 80 %
~ ~
--M.S.
1 tD I (I A) --
1 80 %
F.W.
60D 1157 (IA) 3 80 %
F.W.
600-1158 (IA) 3 80 %
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Approximate % complete based on Code required examination area.
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hd w y,i..,%..
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Specification M.733, Rev. O i
l'UAPS 2 & 3 ISI Psogram Appendis A.6 a
Pare 5 of 5 e
itCLIEF llEQUI3T NO.111106 'CONTD.)
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1 Allt,lLJtR.06-02 EJ)h1[ PilAPS UNITS 2&3 - Eyrninpion Catelp.n D 01, item No D10.lQ liXAMINATION AREA BXAMINATION % sysTl!M LilfMLIEicSrlON UbH COMPLHIE5 F.W. 6DDNL l(6 (IA) 3 50 % F.W. 6DDNL-1118 (IA) 3 80 % l F.W. 6DDNL ll24 (!A) a 80 % F.W. 6DDNL il25 (IA) 3 E0% F.W. 6DDNL ll26 (!A) 3 80 % F.W. 6DDNL-il27 (IA) 3 80 % P.W. 6DDNL ll28 (lA)' 3 80 % i F.W. 6DDNL il44 (IA) -3 80 % RWCU 12DCN lil52 (IA) 3 60 % i RWCU 12DCN il!49 (IA) 3 80 % C.Si 14DCN.II73 (IA)
- 3 80 %
C.S 14DCN l!74 (!A) 3 80 % C.S. 140CN.ll?7 (IA) 3 80 % C.S. 14DCN il?8'(IA) 3 80 % e 1IPCI 23DDN !!51 (IA)- .1 50*A +.. >1 i i., l. ispproximate % complete based on Ccde required examination area. r b N
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