ML17037C519
| ML17037C519 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 12/13/1973 |
| From: | Raymond P Niagara Mohawk Power Corp |
| To: | Skovholt D US Atomic Energy Commission (AEC) |
| References | |
| Download: ML17037C519 (16) | |
Text
3 AEC TRIBUTION FOR PART 50 (TEMPORARY FORM)
RIAL CONTROL NO:
8880 FROM:
Niagara Mohawk Power Corporation
- Syracuse, N. Y.
13202 Phili D. Ra ond 12-13-73 12-13-73 DATE OF DOC DATE REC'D LTR MEMO RPT X
OTHER TO 0 Mr Skovholt ORIG 3 signed CC OTHER SENT, AEC PDR SENT LOCAL PDR CLASS UNCLASS PROP INFO INPUT XXX NO S REC'D 40 DOCKET NO:
50-220 DESCRIPTION:
Ltr<.,notarized, 12 13-73 '...re our 12-5-73 ltr which requested further analyses of the conse-quences of Fuel-Densification at Nine Mile Poi Unit 1, trans the following:
ENCLOSURES:
Proposed Changes to Tech Specs for the Nine Mile Point Unit 0 1(Change 8
1 & Ã2) t W/Attached Figs 3.1.7a,
- 3. 1.7b,
- 3. 1.7c Si 3G 1+7d ~
3tIP> NOTE: R. Di s W/6 Adv, c s PLANT NAME: Nine Mile Point Unit 8 1
( 40 cys rec'd) kÃtÃ'~JI3%3 Do'llot Ram'i~i, FOR ACTION/INFORMATION 12<<14-73 AB BUTLER(L)
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Copies VASSALLO(L)
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NIAGARAMOHAWKPOWER CORPORATION NIAGARA '
MOHAWK 300 ERIE BOULEVARD WEST SYRACUSE. N. Y. 13202 December 13, 1973 Mr. Donald J. Skovholt Assistant Director for Operating Reactors Directorate of Licensing United States Atomic Energy Commission Washington, D. C.
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Dear Mr. Skovholt:
Re:
Nine Mile Point Unit 1 AEC Docket'No.
50-'220 As requested in your December 5, 1973, letter, further analyses have been performed on the consequences of fuel densification at Nine Mile Point Unit 1 using the guidance provided in the enclosure to your letter, "Modified GE Model for Fuel Densification."
Results of generic analyses are reported in General Electric's NEDO-20181.
The methodology reported in this document is applicable to Nine Mile Point Unit l.
Accordingly, proposed changes to the Technical Specifications for this Unit, which pertain to the average planar lineal heat generation rates, are attached herewith. It is anticipated that with these changes Unit 1 will be able to achieve its full design rating of 1850 thermal megawatts for power distributions expected during normal operation.
The Site Operations Review Committee and the Safety Review and Audit Board concur with these proposed Technical Specification changes.
Very truly yours, Philip D. Ra d
Vice President-Engineering GKR/vk Attachment Subscribed and sworn to before me this/8~day of December 1973.
VALERIE N.
KELLY Notory Pubhc In tho Stets ol Iiew Toil Queliileri in Onon.
Co.
Iso. 34 430sr29 My Cornutissfon Expires Merch 30, IP~
secern QMEG DEC l3 /973 E
5 Q
PAIL SECPlaq.
XCIIET CLEIIIE
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Nine Mile Point Unit 1 Proposed Changes to Technical Specifications Change pages 37a,'7b, 37c, etc.
as follows:
~Chan a ftl Delete Figure 3.1.7 and replace with the attached Figures 3.1.7a, b,
c and d.
Under the Limiting Condition for Operation 3.1.7, delete the phrase in the last sentence replace with the phrase Figures 3.1.7a, b,
c and d.
~chan e It2 Replace the third through sixth paragraphs of the Bases 3.1.7a with the following:
"The maximum average planar LHGR curves for the various fuel types in the core shown in,Figures 3.1.7a, b,
c and d are based on calculations using the models described in the GE reports NED0-10735, as modified by the GE reports NEDO-20181 and the GE letter of December 12, 1973, to V. Moore from J. Hinds,
'lant Evaluation with GEGAP-IIX.'"
Reason for Chan es 1
& 2 Changes to the maximum average planar LHGR are warranted based. on results of further analysis, and model develop-.
ment as related to the effects of fuel densification.
This additional information'is described in GE reports NED0-20181.
17
+
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NINE hfILE POINT UNIT I 16 15 14
.10 APPROXIMATE CURRENT MINIMUM EXPOSURE 9
5,000 10,000 15,000 20,000 AVERAGE PLANAR EXPOSURE (mWd/t) 25,000 30,000 FIGURE 3.1. 7.a MAXIMUMALLOWABLE AVERAGE PLANAR LHGR APPLICABLE TO FUEL TYPE INITIAL CORE
~
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17 NINE MILE POINT UNIT 1 16 15 14 13 12 APPROXIMATE CURRENT MINIMUM EXPOSURE 10 0
5,000 10,000 15,000 20,000 AVERAGE PLANAR EXPOSURE (m'Wd/t) 25,000 30,000 F1GURE S. I. 7.b t1AXIMUM ALLOWABLE AVERAGE PLANAR LHGR APPLICABLE TO FUEL TYPE RELOAD 1
0 C.
17 NINE MILE POINT UNIT 1 16 15
~~13 p 12 APPROXIMATE CURRENT MINIMUM EXPOSURE 10 0
5,000 10,000
,15,000 20,000 AVERAGE PLANAR EXPOSURE (mHd/t) 25,000 30,000 FIGURE
- 3. 1.7.c MAXIMUMALLOWABLE AVERAGE PLANAR LHGR APPLICABLE TO FUEL TYPE RELOAD 2 (GENERIC A)
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4 NINE MlLE POINT UNIT 1
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>C 10 APPROXIMATE CURRENT MINIMUM EXPOSURE 0
5,000 10,000 15,000 20,000 AVERAGE PLANAR EXPOSURE (mWd/t) 25,000 30,000 FIGURE'. 1. 7.d MAXIMUMALLOWABLE AVERAGE PLANAR LMGR APPLICABLE 'TO FUEL TYPE RELOAD 3 (GENERIC C)
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e AEC D IBUTIO'7 FOR PART 50 DOCKET Pd
,-IAL (TEMPORARY FORM)
CONTROL NO:
FILE:
31 FROM:
Niagara Mohawk Power Corp.
- Syracuse, N. Y., 13202 P.
D. Raymond 10-15-73 10-16-73 DATE OF DOC DATE REC'D LTR X
MEMO RPT OTHER TO A. Giambusso ORIG 3 signed CC 37 OTHER SENT AEC PDR X
SENT LOCAL PDR X
CLASS UNCLASS ZX PROP INFO INPUT XX NO C
S REC'D 40 DOCKET NO:
50<<220 DESCRIPTIOAN:
Ltr re their 9-14-73 ltr, requesting. Change in Tech. Spec.......trans the following:
ENCLOSURES:
ATTACHMENT: results of analyses on the response of the refueled core to anticipated transients and postulated accidents'LANT NAME:
Nine Mile Point Unit 1
( 3 Orig & 37.. cys rec'd )
FOR ACTION/I?TFO>~fATION 10-16>>73 GC BUTLER(L)
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Copies KNIEL(L)
W/.Copies SCHWENCER(L)
W/
Copies STOLZ (L)
W/
Copies VASSALLO(L)
W/ - Copies SCHWA KL(L)
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Copies
~IEiANN(L)
W/ 9 Copies DICKER(E)
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Copies YOUNGBLOOD(E)
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Copies INTERNAL DISTRIBUTION REGAN(E)
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DEYOUNG (L) (PWR)
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~UBE INFO
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