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| number = ML20245G251
| number = ML20245G251
| issue date = 06/19/1989
| issue date = 06/19/1989
| title = Forwards Revised Curves for Heatup & Cooldown Limitations to Agree W/Correct Westinghouse Data Attached to 890122 Ltr Discussed During 890615 Telcon
| title = Forwards Revised Curves for Heatup & Cooldown Limitations to Agree W/Correct Westinghouse Data Attached to Discussed During 890615 Telcon
| author name = Tucker H
| author name = Tucker H
| author affiliation = DUKE POWER CO.
| author affiliation = DUKE POWER CO.
Line 11: Line 11:
| contact person =  
| contact person =  
| document report number = TAC-71963, TAC-71964, NUDOCS 8906290068
| document report number = TAC-71963, TAC-71964, NUDOCS 8906290068
| title reference date = 01-22-1989
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
| page count = 5
| page count = 5
| project = TAC:71963, TAC:71964
| stage = Other
}}
}}


=Text=
=Text=
{{#Wiki_filter:, _ . , _ . - _ _
{{#Wiki_filter:, _., _. - _ _
4, DUKE POWER GOMPANY P.O. Dox 33189                                           j OHARLOTTE. N.O. 28242                                       ]
4, DUKE POWER GOMPANY P.O. Dox 33189 j
                .HALB. TUCKER                                                                           rzternoxe         1 vmm eme. men                                                                     (704) 073-4 sat tutMJL,LA PhDDUOTION
OHARLOTTE. N.O. 28242
                                                                                                                      ^1, June 19, 1989 U. S. Nuclear Regulatory Commission Washington, D.C. 20555 Attention: Document Control Desk Subj ect: McGuire Nuclear Station                                                           j Docket Nos. 50-369, 370 (TAC's-71963/71964)
]
In letters dated January 22, 1989 and May 17, 1989 I submitted revised heat-up             1 and cooldown limitation curves for McGuire Units 1 and 2. These were discussed with NRC staff snembers D. S. Hood and B. J. Elliot in a telephone conference on June 15, 1989.
.HALB. TUCKER rzternoxe 1
As a result of this call, I have attached revised curves for McGuire Units 1 and 2 heatup limitations (T.S. Figures 3.4-2 and 3.4-3) and Unit I cooldown limitations (T.S. Figure 3.4-4). This revision changes the footnote for RT after 10EFPY at 1/4 T and 3/4 T on Figures 3.4-2 and 3.4-4 to agree with theET correct Westinghouse data originally attached to my January 22 letter.
vmm eme. men (704) 073-4 sat tutMJL,LA PhDDUOTION
Additionally, as discussed on June 15, the Unit I curver have also been revised to accurately reflect the Westinghouse data developed using Regulatory Guide 1.99, Rev. 2. This Westinghouse data was contained in a report dated November 1988 and attached to my original submittal of January 22.     Finally, the Unit 2 heatup curve (Figure 3.4-3) is revised to correct a printing error and to ensure agreement with WCAP-11029.
^1 June 19, 1989 U. S. Nuclear Regulatory Commission Washington, D.C.
20555 Attention: Document Control Desk Subj ect: McGuire Nuclear Station j
Docket Nos. 50-369, 370 (TAC's-71963/71964)
In letters dated January 22, 1989 and May 17, 1989 I submitted revised heat-up 1
and cooldown limitation curves for McGuire Units 1 and 2.
These were discussed with NRC staff snembers D. S. Hood and B. J. Elliot in a telephone conference on June 15, 1989.
As a result of this call, I have attached revised curves for McGuire Units 1 and 2 heatup limitations (T.S. Figures 3.4-2 and 3.4-3) and Unit I cooldown limitations (T.S. Figure 3.4-4).
This revision changes the footnote for RTET after 10EFPY at 1/4 T and 3/4 T on Figures 3.4-2 and 3.4-4 to agree with the correct Westinghouse data originally attached to my January 22 letter.
Additionally, as discussed on June 15, the Unit I curver have also been revised to accurately reflect the Westinghouse data developed using Regulatory Guide 1.99, Rev. 2.
This Westinghouse data was contained in a report dated November 1988 and attached to my original submittal of January 22.
Finally, the Unit 2 heatup curve (Figure 3.4-3) is revised to correct a printing error and to ensure agreement with WCAP-11029.
Please contact J. S. Warren at (704) 373-2627 if there are further questions or conunents on this manner.
Please contact J. S. Warren at (704) 373-2627 if there are further questions or conunents on this manner.
Very truly yours, M             '
Very truly yours, M
llal B. Tucker JSW361/lcs 8906290068 890619 "                                                                hp2 PDR         ADOCK 05000369t                                                                       j P                       PNUf'f                                                   I   ,
llal B. Tucker JSW361/lcs 8906290068 890619 hp2 PDR ADOCK 05000369t j
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                          , U. S. Nuclear Regulatory Commission                                                   )
-, U. S. Nuclear Regulatory Commission
June 19, 1989                                                                         ]
)
Page 2                                                                                 !
June 19, 1989
1 xc:   Mr. S. D. Ebneter                     Mr. Darl Hood, Project Manager           !
]
U. S. Nuclear Regulatory Commission   Office of Nuclear Reactor Regulation   j Region II                             U. S. Nuclear Regulatory Commission 101 Marietta Street, NW, Suite 2900   . Washington, D.C. 20555
Page 2 1
                                  ' Atlanta, Georgia   30323                                                       ,
xc:
i Mr. Dayne Brown, Chief                 Mr. P. K. VanDoorn Radiation Protection Branch           Senior Resident Inspector               i Division of Facility Services         McGuire Nuclear Station               f Department of Human Resources                                                 !
Mr. S. D. Ebneter Mr. Darl Hood, Project Manager U. S. Nuclear Regulatory Commission Office of Nuclear Reactor Regulation j
701 Barbour Drive Raleigh, North Carolina 27603-2008 i
Region II U. S. Nuclear Regulatory Commission 101 Marietta Street, NW, Suite 2900
. Washington, D.C.
20555
' Atlanta, Georgia 30323 i
Mr. Dayne Brown, Chief Mr. P. K. VanDoorn Radiation Protection Branch Senior Resident Inspector i
Division of Facility Services McGuire Nuclear Station f
Department of Human Resources 701 Barbour Drive Raleigh, North Carolina 27603-2008 i
f
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j FIGURE 3.4-2 MCGUIRE UNIT 1, REACTOR COOLANT SYSTEM, HEATUP LIMITATIONS                   ]
CONT AINS MARGIN FOR POSSIBLE PHOSPHORUS CONTENT--0.013wt%
NRC RG 1.99 REV 2                             i APPLICABLE FOR THE FIRST 10 EFPY               I
INITI AL-O'F 1/4T,166.5 F 0
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RTNDT RTNDTAFTER 10 EFPY 3/4T,113*F i
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CONTAINS MAROIN FOR POSSIBLE PHOSPHORUS CONTENT-4.013wt%
INITI AL-0*F 1/4T,166.5'F INSTRUMENT ERRORS.
RTNDTAFTER 10 EFPY 3/47,113*F RTNDT FIGURE 3.4-4 McGUIRE UNIT 1, REACTOR COOLANT SYSTEM, COOLDOWN LIMITATIONS NRC RG 1.99 REV 2 APPLICABLE FOR THE FIRST 10 EFPY
!}}

Latest revision as of 02:23, 2 December 2024

Forwards Revised Curves for Heatup & Cooldown Limitations to Agree W/Correct Westinghouse Data Attached to Discussed During 890615 Telcon
ML20245G251
Person / Time
Site: McGuire, Mcguire  Duke Energy icon.png
Issue date: 06/19/1989
From: Tucker H
DUKE POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TAC-71963, TAC-71964, NUDOCS 8906290068
Download: ML20245G251 (5)
v • d • e


Text

, _., _. - _ _

4, DUKE POWER GOMPANY P.O. Dox 33189 j

OHARLOTTE. N.O. 28242

]

.HALB. TUCKER rzternoxe 1

vmm eme. men (704) 073-4 sat tutMJL,LA PhDDUOTION

^1 June 19, 1989 U. S. Nuclear Regulatory Commission Washington, D.C.

20555 Attention: Document Control Desk Subj ect: McGuire Nuclear Station j

Docket Nos. 50-369, 370 (TAC's-71963/71964)

In letters dated January 22, 1989 and May 17, 1989 I submitted revised heat-up 1

and cooldown limitation curves for McGuire Units 1 and 2.

These were discussed with NRC staff snembers D. S. Hood and B. J. Elliot in a telephone conference on June 15, 1989.

As a result of this call, I have attached revised curves for McGuire Units 1 and 2 heatup limitations (T.S. Figures 3.4-2 and 3.4-3) and Unit I cooldown limitations (T.S. Figure 3.4-4).

This revision changes the footnote for RTET after 10EFPY at 1/4 T and 3/4 T on Figures 3.4-2 and 3.4-4 to agree with the correct Westinghouse data originally attached to my January 22 letter.

Additionally, as discussed on June 15, the Unit I curver have also been revised to accurately reflect the Westinghouse data developed using Regulatory Guide 1.99, Rev. 2.

This Westinghouse data was contained in a report dated November 1988 and attached to my original submittal of January 22.

Finally, the Unit 2 heatup curve (Figure 3.4-3) is revised to correct a printing error and to ensure agreement with WCAP-11029.

Please contact J. S. Warren at (704) 373-2627 if there are further questions or conunents on this manner.

Very truly yours, M

llal B. Tucker JSW361/lcs 8906290068 890619 hp2 PDR ADOCK 05000369t j

P PNUf'f I

l(

11 l

1

-, U. S. Nuclear Regulatory Commission

)

June 19, 1989

]

Page 2 1

xc:

Mr. S. D. Ebneter Mr. Darl Hood, Project Manager U. S. Nuclear Regulatory Commission Office of Nuclear Reactor Regulation j

Region II U. S. Nuclear Regulatory Commission 101 Marietta Street, NW, Suite 2900

. Washington, D.C.

20555

' Atlanta, Georgia 30323 i

Mr. Dayne Brown, Chief Mr. P. K. VanDoorn Radiation Protection Branch Senior Resident Inspector i

Division of Facility Services McGuire Nuclear Station f

Department of Human Resources 701 Barbour Drive Raleigh, North Carolina 27603-2008 i

f

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CRITICALITY LIWIT BASED' ON INliERVICE HYDROSTATIC 250 TEST "EMPE R A"URE (311 )F) i FOR THE SERVICE PERIOD UP TO 10 EFPY 0

0 50 100 150 200 250 300 350 400 450 500 INDICATED TEMPERATURE (oF) 1 CURVE APPLICABLE FOR HEATUP MATERIAL BASIS 8

RATES UP TO 80 /HR FOR THE CONTROLLING MATERIAL-WELD METAL SERVICE PERIOO UP TO to EFPY COPPER CONTENT-0.30wt%

CONT AINS MARGIN FOR POSSIBLE PHOSPHORUS CONTENT--0.013wt%

INITI AL-O'F 1/4T,166.5 F 0

INSTRUMENT ERRORS.

RTNDT RTNDTAFTER 10 EFPY 3/4T,113*F i

j FIGURE 3.4-2 MCGUIRE UNIT 1, REACTOR COOLANT SYSTEM, HEATUP LIMITATIONS

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FDR THE SERVICE PERIOD UP TO 8EFPY 0

1 0

50 100 150 200 250 300 350 400 450 500 INDICATED TEMPER ATURE (OF) l CURVES APPLM:ABLE FOR HEATUP MATERiinL Basis RATES UP TO SS*F/HR FOR THE CONTROLLING MATERIAL-REACTOR SERVICE PERIOD UP TO 3 EFPY VESSEL INTERMEDIATE SHELL OS AND CONTAINS MARGINS OF COPPER CONTENT 0.18 10 F AND SC PStG FOR POSSISLE RTNDT 8

INITIAL -4'F INSTRUMENT ERRORS, RTNOTAFTER S EPPY 1/47, SS*F 3/4T,38'F FIGURE 3.4-3 McGUlRE UNIT 2 REACTOR COOLANT SYSTEM, HEATUk LIMITATIONS APPLICABLE FOR THE FIRST 8 EFPY

}. - :...,,

'2500 l

2250 l

l

_2000 l

l PRES $URE-TEMPERATURE LIMIT %

5 s

1 l'

'W 1500 g

UNACCEPTABLE 3

OPERATION w

E 1250 O

N<9 1000 ACCEfTABLE OPE R ATION

.)

'750 RATE j

500 Os f/

20 -

40 "

60 '

250 0

l 0

50 100 150 200 250 300 350 400 450 500 INDICATED TEMPER ATURE (OF)

CURVES APPLN ABLE FOR COOLDOWN MATERIAL BAS 13 RATES UP TO 90*F/HR FOR THE CONTROLLING MATERIAL-WELD METAL SERVICE PERIOD UP TO 10 EFPY COPPER CONTENT-.0.30wt%

CONTAINS MAROIN FOR POSSIBLE PHOSPHORUS CONTENT-4.013wt%

INITI AL-0*F 1/4T,166.5'F INSTRUMENT ERRORS.

RTNDTAFTER 10 EFPY 3/47,113*F RTNDT FIGURE 3.4-4 McGUIRE UNIT 1, REACTOR COOLANT SYSTEM, COOLDOWN LIMITATIONS NRC RG 1.99 REV 2 APPLICABLE FOR THE FIRST 10 EFPY

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