ML19324B799: Difference between revisions
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.' GPU Nuclear Corporation | .' GPU Nuclear Corporation | ||
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Line 41: | Line 30: | ||
.> 609 971 4000 . (' | .> 609 971 4000 . (' | ||
Wnter's Direct Dial Number; ' | Wnter's Direct Dial Number; ' | ||
m October 31, 1989 | m October 31, 1989 6 ,,< | ||
i s .U.S.; Nuclear 2R egulatory Commission | |||
6 ,,< | .Documant Control Desk Washington, DC 20555 k ! | ||
9 Gentlemen M, SUBJECT - OYSTER CREEK NUCLEAR GENERATING STATION LOCKET I?O. 50-219 | |||
i | , RESPCdSE TO GENERIC LETTE" 88-20, SUPP 1 l' INDIVIDUAL PLANT EXAMINATION (IPE) s 4 | ||
m o q , | |||
s .U.S.; Nuclear 2R egulatory Commission | |||
.Documant Control Desk Washington, DC 20555 | |||
k ! | |||
9 Gentlemen M, SUBJECT - OYSTER CREEK NUCLEAR GENERATING STATION | |||
LOCKET I?O. 50-219 | |||
, RESPCdSE TO GENERIC LETTE" 88-20, SUPP 1 l' INDIVIDUAL PLANT EXAMINATION (IPE) s | |||
it | it | ||
,g ..his letter outlines our plans for completing the IPE for Oyster Creek. We | ,g ..his letter outlines our plans for completing the IPE for Oyster Creek. We | ||
'have' begun'a'' level 1 PRA utilizing the large-event-tree,'small-fault-tree ,i | 'have' begun'a'' level 1 PRA utilizing the large-event-tree,'small-fault-tree ,i | ||
. approach.similar to that used for the THI-l PRA submitted in DecemDer 1987. J | . approach.similar to that used for the THI-l PRA submitted in DecemDer 1987. J | ||
.g }The PRA'will include' treatment of internal floods and the icgic models will be | .g }The PRA'will include' treatment of internal floods and the icgic models will be | ||
'j constituted using state-of-the-art software on personal computers. This ! | 'j constituted using state-of-the-art software on personal computers. This ! | ||
nottuare ls expected'to make the PRA more useful a risk management tool once .J | nottuare ls expected'to make the PRA more useful a risk management tool once .J | ||
#(. | #(. | ||
Line 73: | Line 47: | ||
'i.A, V-the IPE_is completed. | 'i.A, V-the IPE_is completed. | ||
n 3, .s 9 | n 3, .s 9 | ||
The back-end portion of the IPE will be performed utilizing the guidance in 1 NUREG-1335 and will address the Mark I containment performance issues P identified in Enclosure 2 of Generic Letter 80-20, supp'l. Us are developing the capability to use tho MAAP computer code as needcd. We will also take j advancage of other analyses tht may be performed by owner's groups, EPRI, 1 | |||
The back-end portion of the IPE will be performed utilizing the guidance in 1 NUREG-1335 and will address the Mark I containment performance issues | |||
P identified in Enclosure 2 of Generic Letter 80-20, supp'l. Us are developing the capability to use tho MAAP computer code as needcd. We will also take j | |||
advancage of other analyses tht may be performed by owner's groups, EPRI, 1 | |||
_ . .' '' consultants, etc. | _ . .' '' consultants, etc. | ||
y. | y. | ||
p C | p C | ||
.i. | .i. | ||
(( r ' g | (( r ' g i l | ||
i l | |||
.Q | .Q | ||
+ '' 9911080250 891031 V e | + '' 9911080250 891031 V e | ||
Line 94: | Line 59: | ||
p - | p - | ||
il | il | ||
,. ;c ' | ,. ;c ' | ||
l llh . ; | l llh . ; | ||
, , GPU Nuclear Corporation is a subsidiary of General Pubhc Utikties Corocration | , , GPU Nuclear Corporation is a subsidiary of General Pubhc Utikties Corocration | ||
'..N .e). | '..N .e). | ||
: b. bt .t y; | : b. bt .t y; | ||
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, , -l $ U.S. Nuclear Regulatory Commission ' | , , -l $ U.S. Nuclear Regulatory Commission ' | ||
Page Two | Page Two | ||
); . | ); . | ||
/ | / | ||
i: - i | i: - i | ||
, 'As Generic Letter 88-20 requiret, we plan to involve appropriate parts of the i organization in the conduct and review of the IPE. Our experience indicates that heavy involvement of the operations staff as well as technical support | |||
, 'As Generic Letter 88-20 requiret, we plan to involve appropriate parts of the | |||
i organization in the conduct and review of the IPE. Our experience indicates that heavy involvement of the operations staff as well as technical support | |||
. groups is necessary to develop useful results. This Jr..viveu.cnt necessarily-involves significant amounts of staff hcurs across severrl organizations and on+1derable schedule time to reach and properly document concensus' , | . groups is necessary to develop useful results. This Jr..viveu.cnt necessarily-involves significant amounts of staff hcurs across severrl organizations and on+1derable schedule time to reach and properly document concensus' , | ||
s anc Lusions. These factors, in conjunction with the need for an independent review as specified in Generic uetter'88-20 and the need to coordinate a number of activities with owner's groups, indicate to us that the three year schedule for submittal of the IPE has little or no margin for delays. We will make every ef. ort so submit the IPE for Oyacer Creek by September 1, 1992. | s anc Lusions. These factors, in conjunction with the need for an independent review as specified in Generic uetter'88-20 and the need to coordinate a number of activities with owner's groups, indicate to us that the three year schedule for submittal of the IPE has little or no margin for delays. We will make every ef. ort so submit the IPE for Oyacer Creek by September 1, 1992. | ||
I Sincerely, r | I Sincerely, r | ||
E. E. Fithpatrick ; | E. E. Fithpatrick ; | ||
Vice President & Director, Oyster Creek EEF/YN/(JW) | Vice President & Director, Oyster Creek EEF/YN/(JW) | ||
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Latest revision as of 19:39, 18 February 2020
ML19324B799 | |
Person / Time | |
---|---|
Site: | Oyster Creek |
Issue date: | 10/31/1989 |
From: | Fitzpatrick E GENERAL PUBLIC UTILITIES CORP. |
To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
References | |
GL-88-20, NUDOCS 8911080258 | |
Download: ML19324B799 (2) | |
Text
' --
}.en > a 6 [' .y ., .p on q ,1 %x t., p. ,
, , q.,
' ^
.Qy.\ )W *
+
'j^ i :,
.' GPU Nuclear Corporation
" 'e ' '
m \
Ro o ou Sf '
Forked River, New Jersey 087310388
.> 609 971 4000 . ('
Wnter's Direct Dial Number; '
m October 31, 1989 6 ,,<
i s .U.S.; Nuclear 2R egulatory Commission
.Documant Control Desk Washington, DC 20555 k !
9 Gentlemen M, SUBJECT - OYSTER CREEK NUCLEAR GENERATING STATION LOCKET I?O. 50-219
, RESPCdSE TO GENERIC LETTE" 88-20, SUPP 1 l' INDIVIDUAL PLANT EXAMINATION (IPE) s 4
m o q ,
it
,g ..his letter outlines our plans for completing the IPE for Oyster Creek. We
'have' begun'a level 1 PRA utilizing the large-event-tree,'small-fault-tree ,i
. approach.similar to that used for the THI-l PRA submitted in DecemDer 1987. J
.g }The PRA'will include' treatment of internal floods and the icgic models will be
'j constituted using state-of-the-art software on personal computers. This !
nottuare ls expected'to make the PRA more useful a risk management tool once .J
- (.
r
'i.A, V-the IPE_is completed.
n 3, .s 9
The back-end portion of the IPE will be performed utilizing the guidance in 1 NUREG-1335 and will address the Mark I containment performance issues P identified in Enclosure 2 of Generic Letter 80-20, supp'l. Us are developing the capability to use tho MAAP computer code as needcd. We will also take j advancage of other analyses tht may be performed by owner's groups, EPRI, 1
_ . .' consultants, etc.
y.
p C
.i.
(( r ' g i l
.Q
+ 9911080250 891031 V e
PDR ADOCK 05000219 P PNU [ ,
60[
p -
il
,. ;c '
l llh . ;
, , GPU Nuclear Corporation is a subsidiary of General Pubhc Utikties Corocration
'..N .e).
- b. bt .t y;
. i k , ., , . g
c .
s
, , -l $ U.S. Nuclear Regulatory Commission '
Page Two
); .
/
i: - i
, 'As Generic Letter 88-20 requiret, we plan to involve appropriate parts of the i organization in the conduct and review of the IPE. Our experience indicates that heavy involvement of the operations staff as well as technical support
. groups is necessary to develop useful results. This Jr..viveu.cnt necessarily-involves significant amounts of staff hcurs across severrl organizations and on+1derable schedule time to reach and properly document concensus' ,
s anc Lusions. These factors, in conjunction with the need for an independent review as specified in Generic uetter'88-20 and the need to coordinate a number of activities with owner's groups, indicate to us that the three year schedule for submittal of the IPE has little or no margin for delays. We will make every ef. ort so submit the IPE for Oyacer Creek by September 1, 1992.
I Sincerely, r
E. E. Fithpatrick ;
Vice President & Director, Oyster Creek EEF/YN/(JW)
' cc: Mr. William T. Russel, Administrator Region I U.S. Nuclear Regulatory Commission 475 Allendale noad King of Prussia, PA. 19406 NPC Resident Inspector Oyster Creek Nuclear Generating Station Forned River, N.J. 08731 Mr. Alex Dromerick U.S. Nuclear Regulet ,ry Comniission Mail Station Pl-137 Washington, D.C. 2055E i
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