ML20126C218
| ML20126C218 | |
| Person / Time | |
|---|---|
| Site: | Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 03/20/1980 |
| From: | Counsil W CONNECTICUT YANKEE ATOMIC POWER CO. |
| To: | Eisenhut D Office of Nuclear Reactor Regulation |
| References | |
| TASK-03-04.B, TASK-3-4.B, TASK-RR NUDOCS 8003280260 | |
| Download: ML20126C218 (45) | |
Text
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CONNECTICUT YANKEE AT O M IC POWER COMPANY l
BERLIN. CONNECTICUT P O BOX 270 HARTFORD CONNECTICUT 06 tot T sL ee.eo a 203 666-6 9tl March 20,1980 Docket No. 50-213 Darrell G. Eisenhut, Acting Director Division of Operating Reactors Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C.
20555
References:
(1)
D. G. Eisenhut letter to W. G. Counsil dated February 25, 1980.
(2) ILE Information Notice No. 79-37, dated December 28, 1979 (3)
J. M. Schmerling letter to D. G. Eisenhut dated March 1k,1980.
Gentlemen:
Hadda: Neck Plant Westinghouse (W) Low Pressure Turbine Dise Intecrity In Reference (1), Connecticut Yankee Atomic Power Company (CYAPCO) was requested to address the significance of possible crack development in the discs of the two low pressure (LP) turbines at the Haddam Neck Plant. Responses to the site-specific questions of Enclosure 2 to Reference (1) are provided as Attachment 3 to this letter.
Please note that Appendix 1 of these responses contains W proprietary informa-tion. In conformance with the requirements of 10CFR Section 2.790, as amended, of the Co==ission's regulations, we are enclosing, as Attachments to this letter, an application for withholding frcm public disclosure (Attachment 1) and an affidavit setting forth the basis on which the information may be withheld (Attachment 2).
Correspondence regarding this application or affidavit should reference AW-60-12 and should be addressed to Mr. R. Williamson, Manager, Customer Order Engineering, Westinghouse Electric Corporation, Steam Turbine Division, Lester Branch, Sex 9175, Philadelphia, Pennsylvania 19113 Appendix 2 is a non-proprietary copy of Appendix 1; i.e., with all W proprietary information blanked out.
Per your request, ansvers to the generic questions cf Enclosure 2 to Reference (1) were coordinated by a task force of representatives cf the owners of W nuclear turbines. *hese ansvers are provided directly from W in Reference T3).
@ p P. L T,
We have reviewed the safety significance of the respenses to Enclosure 2 of
,p Reference (1) with par':icular e. phasis on the information supplied under
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Question IV, and cave concluded that continued operation to the scheduled h v\\
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2 May 3,1980 refueling shutdown is juatified. We are committed to a thorough investigation of this phenomenon at that time. Therefore, modification, suspen-i sion, or revocation of License No. DPR-61 is neither necessary nor appropriate to insure the continued safe operation of the Haddam Neck Plant.
Very truly yours, CONNECTICUT YANKEE ATOMIC POWER COMf 6 Y j'/
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,1 klfl.0t-W.'D' ' Council Vice President Attachments 1
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DOCKET NO. 50-213 1
ATTACHMENT 1 HADDAM NECK PLMC WESTINGHOUSE (W) LOW PRESSURE IURBINE DISC IIEEGRITY APPLICATION FOR WITHEOLDING PROPRIETARY INFORMATION FROM PUBLIC DISCLOSURE MARCH, :.980
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ATTACHMENT 1 AW-80-12 March 14, 1980 Darrell G. Eis enhut Division of Operating Reactors Of fice of Nuclear Reac tor Regulation US Nuclear Regulatory Commission Washington DC 20555 APPLICATION FOR WITHHOLDING PROPRIETARY INFORMATION FROM PUBLIC DISCLOSURE Subj ec t:
Connecticut Yankee Docket #50-213 Inf ormation in Response to NRC Request f or Inf ormation of February 25, 1980, Relative to Low Pressure Turbine Dise In tegrity.
Reference:
Appendix A letter f rom W. G. Counsil to Eisenhut, dated 3/19/80
Dear Mr. Eisenhut:
This application for withholding is submitted by Westinghouse Electric CoToration (" Westinghouse") pursuant to the provisions of paragraph (b)(1) of Section 2.790 of the Commission's regulations. Withholding from public disclosu re is requested with respect to the subject inf ormation which is further identified in the affidavit accompanying this application.
4 The undersigned has reviewed the inf ormation sought to be withheld and is suthorized to apply for its withholding on behalf of Westinghouse, STG-TOD.
The affidavit accompanying this application sets forth the basis on which the information may be withheld from public disclosure by the Commission and addresses with specificity the considerations listed in paragraph (b)(4) of Section 2.790 of the Commission's regulations.
Accordingly, it is respectfully requested that the subject inf ormation which is proprietary to Westinghouse and which is further identified in the affi-davit be withheld f rom public disclosure in accordance with 10CFR Section 2.790 of the Commission's regulations.
Correspondence with respect to this application for withholding or the accom-panying af fidavit should be addressed to.the undersigned.
Very truly yours, n
,Y f,7\\
R. Williamson, Manager Customer Order Engineering Westinghouse Elec tric Corporation l
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v DOCKET NO. 50-213 ATTACF24ENT 2 HADDAM NECK PLANT WESTINGHOUSE (W) LOW PRESSURE TURBINE DISC INTEGRITY AFFIDAVIT l
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AT'IACHMDff 2 Ref:
AW-80-12
-AFFIDAVIT COMMONWEALTH OF PENNSYLVANIA
' COUNTY OF DELAWARE:
Before me, the undersigned authority, personally appeared Robert Williamson, who, being by me duly sworn according to law, deposes and says that he is authorized to execute this Affidavit on behalf of Westinghouse Electric Corporation (" Westinghouse") and that the averments of fact set forth in this Affidavit are true and correct to the best of his knowledge, information, and belief:
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Robert Williamson, Manager Customer Order Engineering Loco, to... A ap a:nJ eicrt Ct S
we,1,$...ctr 2hw P N Q(Wf sENRY El 5QUILLAct Notoy Puuie Wrple Iwp Delawve Co My Commission Empires Oct. 18, 1980 1
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1 (1) I am Manager, Customer Order Engineering in the Steam Turbine Generator Technical Operations Division of Westinghouse Electric Corporation and as such I have been specifically delegated the function of reviewing the proprietary information sought to be withheld from public disclosure in connection with nuclear power plant licensing, and am authorized to apply for its withholding on behalf of the Westinghouse Power Generation Divisions.
(2) I am making this Affidavit in conformance with the provisions of 10 CFR Section 2 790 of the Commission's regulations and in conjunction with the Westinghouse application for withholding accompanying this Affidavit.
(3) I have personal knowledge of the criteria and procedures utilized by Westinghouse Power Generation Divisions in designating informa-tion as a trade secret, privileged or as confidential commercial or financial information.
(4) Pursuant to the provisions of paragraph (b)(4) of Section 2 790 of the Commission's regulations, the following is furnished for con-sideration by the Commission in determining whether the information sought to be withheld from public disclosure should be withheld.
(1)
The information sought to be withheld from public disclosure is owned and has been held in confidence by Westinghouse.
(ii)
The information is of a type customarily held in confidence by Westinghouse and not customarily disclosed to the pub-lic. Westinghouse has a rational basis for determining the types of information customarily held in confidence by it and, in that connection, utilizes a system to determine when and whether to hold certain. types of information in confi-dence. The application of that system and the substance of that system constitutes Westinghouse policy and provides the rational basis required.
i Under that system, information is held in confidence if it falls in one or more of several types, the release of which might result in the loss of an existing or potential com-petitive advantage, as follows:
(a) The information reveals the distinguishing aspects of a process (or component, structure, tool, method, etc.)
where prevention of its use by any of Westinghouse's competitors without license from Westinghouse consti-tutes a competitive economic advantage over other companies.
(b)
It consists of supporting data, including test data, relative to a process (or component, structure, tool, method, etc.), the application of which data secures a competitive economic advantage, e.g.,
by optimization or improved marketability.
(c) Its use by a competitor would reduce his expenditure of resources or improve his competitive position in the design, manufacture, shipment, installation, assurance of quality, or licensing a similar product.
(d) It reveals cost or price information, production capac-ities, budget levels, or commercial strategies of West-inshouse, its customers or suppliers.
(e) It reveals aspects of past, present, or future Westing-house or customer funded development plans and programs of potential commercial value to Westinghouse.
( f) It contains patentable ideas, for which patent protec-tion may be desirable.
(g) It.is not tne property of Westinghouse, but must be treated as proprietary by Westinghouse according to agreements with the owner.
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(h) Public disclosure of this information would allow un-fair and untruthful judgments on the performance and reliability of Westinghouse equipment components and improper comparison with similar components made by competitors.
There are sound policy reasons behind the Westinghouse system which include the following:
i (a) The use of such information by Westinghouse gives West-inghouse a competitive advantage over its~ competitors.
It is, therefore, withheld from disclosure to protect the Westinghouse competitive position.
(b) It is information which is marketable in many ways.
The extent to which such information is available to competitors diminishes the Westinghouse ability to sell products and services involving the use of the information.
l (c) Use by our competitor would put Westinghouse at a com-petitive disadvantage by reducing his expenditure of resources at our expense.
1 (d) Each component of proprietary information pertinent to
]
a particular competitive advantage is potentially as valuable as the total competitive advantage. If com-petitors acquire components of proprietary information, any one component may be the key to the entire puzzle, thereby depriving Westinghouse of a competitive advantage.
(e) Unrestricted disclosure would jeopardize the position of prominence of Westinghouse in the world market, and tnerecy give a market advantage to the competition in those countries.
i (f) The Westinghouse capacity to invest corporate assets in research and develcpment depends upon the success in obtaining and maintaining a competitive advantage.
("lii) The information is being transmitted to the Commission in confidence and, under the provisions of 10 CFR Sec-tion 2 790, it is to be received in confidence by the Commission.
(iv)
The information is not available in public sources to the best of our knowledge and belief.
(v)
The proprietary information sought to be withheld in this submittal is that which is appropriately marked in Appen-dix A to letter from W. G. Counsil to Eisenhut, dated March 19, 1980 concerning infor-mation in response to NRC request for information of February 25, 1980, relative to low pressure turbine disc integrity.
The information enables Westinghouse to:
(a) Develop test inputs and procedures to satisfactorily verify the design of Westinghouse supplied equipment.
(b) Assist its customers to obtain licenses.
Further, the information has substantial commercial value as follows.
(a) Westinghouse can sell the use of this information to customers.
(b) Westinghouse uses'the information to verify the design of equipment which is sold to customers.
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1 (c) Westinghouse can sell services based upon the exper-1ence gained and the test equipment and methods developed.
Public disclosure of this information is likely to cause substantial harm to the competitive position of Westinghouse because it would enhance the ability of competitors to design, manufacture, verify, and sell electrical equipment for commercial turbine-generators without commensurate expenses. Also, public disclosure of the information would enable others having the same or similar equipment to use the information to meet NRC requirements for licensing documentation without purchasing the right to use the information.
The development of the equipment described in part by the information is the result of many years of development by-Westinghouse and the expenditure of a considerable sum of money.
This could only be duplicated by a competitor if he were to invest similar sums of money and provided he had the appro-priate talent available and could somehow obtain the requi-site experience.
Further the deponent sayeth not.
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DOCKET NO. 50-213 ATTAC1 MENT 3 HADDAM NECK PLANT WESTINGHOUSE (W) LOW PRESSURE TURBINE DISC INTEGRITY ANSWERS 10 SITE-SPECIFIC GENERAL QUESTIONS MARCH, 1980
ATTACEMENT 3 ANSWERS TO SITE-SPECIFIC GENERAL QUESTIONS I.A.
The Haddam Neck Plant turbine is a. tandem compound four flow, three casings, condensing,1800 RPM turbine utilizing hh-inch last row blades in each low pressure element. The low pressure element is designated as a Buildin6 Block 81.
I.B.
1The Haddam Neck turbine is operating with new LP rotors which have not been inspected for disc cracking. Operating hours postulated to time of inspection for each turbine is 30,175 hours0.00203 days <br />0.0486 hours <br />2.893519e-4 weeks <br />6.65875e-5 months <br />. CYAPCO intends to inspect both LP turbines during the refueling outage which starts in May, 1980.
I.C.
The following tabulation is a listing of turbine trips. and overspeed since the initial operating date of. July 18, 1976 for the new LP rotors.
Overspeed Date Description
(% Above 1800 RPM) 7/18/76 Turbine Overspeed Trip Test (No Load) 2%
8/1/76 Turbine Trip From 75% Load.
22%
9/10/76 Plant Trip From Full Load.
No Overspeed 9/18/77 Turbine Trip From Full Load 24.h%
10/9/77 Plant Trip From Full Load No Overspeed
-12/1/77 Reactor Trip From 10% Load No Overspeed 12/2/77 Turbine Overspeed Trip Test (No Load) 2%
12/3/77 Turbine Trip From 50% Load 21.1%
1/1/78 Reactor Trip From 80% Load
.No Overspeed h/30/78 Plant Trip From 50% Load No Overspeed 5/h/78 Plant Trip From 100% Load No Overspeed 11/2/78 Reactor Trip at 100% Load No Overspeed 3/12/79 Turbine overspeed Trip Test 2%
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. I.D.
1.
Type of material is Ni-Cr-Mo-V alloy steel similar to ASTM A h71.
The minimum yield strength specified for each disc is given in Section B of Appendix 1.
2.
Tensile properties data of tests taken from the disc hub are given in Section B of Appendix 1.
Data obtained from rim material are presented in Section C of Appendix 1.
3 Toughness properties are also presented in Sections B and C of Appendix 1.
As described above, Section B contains hub properties and Section C contains rim properties. Upper shelf energy is not presented when it is the same as the room temperature energy.
h.
The keyvay temperature is presented in Section G of Appendix 1.
This is the calculated temperature two inches from the exhaust face of the disc at the bore during full load operation.
5 The maximum expected keyway crack size is calculated by multiplying the crack growth rate by the unit 's operating time prior to the disc bore /keyvay inspection. The maximum expected keyway crack size is given in Section G of Appendix 1.
6.
The critical crack size at 1800 rpm and at design overspeed is presented in Section F of Appendix 1.
It is calculated using the relationship, also shown in Section F.
7 The ratio of maximum expected keyway crack size to the critical crack size is given in Section G of Appendix 1.
8.
The crack growth rate is given in Section G of Appendix 1.
These crack growth rates are the maximum expected rates based upon known cracks to date in the industry.
9 The bore tangential stress at 1800 rpm and at design overspeed are presented in Section E of Appendix 1.
The values presented include the stresses due to shrink fit and centrifugal force loads only.
. Additional analyses to include thermal stresses and pressure stresses are being made,, but are not presently available.
10.
The fracture toughness KIC, of each disc is calculated from the Charpy v-notch and tensile data.
The values, presented in Sections B and C of Appendix 1 are calculated at the upper shelf temperature or room temperature, whichever gives the lover result.
11.
The minimum yield. strength specified for each disc is presented in Section B of Appendix 1.
II.
The discs from the LP rotors now in service have not been ultrasonically inspected yet.
The discs from the replaced rotors were inspected with results as explained under Question IV.
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- III. The nominal water chemistry conditions for each LP turbine and condenser
)
inleakages and other significant changes in water chemistry are given j
in the tabulation of Appendix 3.
Correlation of secondary chemistry upsets and crack growth / development is not possible because no cracks have been found to date.
IV.
Both LP turbines vill be inspected for cracks during the upcoming refueling outage which is scheduled to begin May 3,1980. As noted in Section G of Appendix 1, the ratio of maximum calculated crack to critical crack size presented in response to Question I.D.7 is less than unity for all discs with the exception of the number one discs on the LP#1 rotor.
The ratio for these discs is 1.0h7 for the governor end and 1.32 for the generator end.
However, CYAPCO has concluded that continued operation to the scheduled outage is not a compromise of continued safe operation of the plant.
In support of this conclusion, the following facts are emphasized:
1.
The Haddam Neck Plant is currently operating with LP rotors which Vere installed in July, 1976. The original rotors had been j
damaged by three separate instances of blade failures. (cause concluded to be excessive vibratory stress in the blades). A thorough failure analysis included removal of the discs from one of the rotorc. The disc bores and keyvays were found to be in excellent condition, with no cracks, pitting, or corrodents present after more than 5-1/2 years of service life.
j 2.
At the time of inspection the LP rotors presently operating vill have been in service for less than four years. Haddam Neck's turbine is clas;ified by h[ as " Category A", or requiring inspection at or before five years of service life.
l 3.
Actual turbine overspeeds have reached a maximum of 12h.h%. The conservative calculations herein are based on a design overspeed of 128%.
h.
Two other h[ units of the same Building Block 81,10 stage LP turbine design as Haddam Neck have been inspected with no evidence of cracking in the number one discs.
5 Due to the proximity of the May 3,1980 outage date, expedited efforts are underway to prepare for the inspection of both LP turbines, instead of one as originally planned before the presentation of the h[ information.
V.
Not applicable to Haddam Neck as the tvo LP turbines have not been inspected for disc cracking yet.
.h.
.VI. An analysis and evaluation regarding turbine missiles has not been performed to date. Thia topic in scheduled for review under SEP Topic III h.B.
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DOCKET NO. 50-213 APPENDIX 2 HADDAM NECK PLANT WESTINGHOUSE (W) LOW PRESSURE 'IURBINE DISC INTEGRITY NON-PROPRIE*EY l
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- 9 U.S.
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- 7. U.S.
IMPACT TEMP.
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p
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~~
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aize to critical crack size
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J
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s
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% %EA f.*.
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TEST NO.'
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site to critical crack stae.
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L f' TURBINE etSC INFORMaTIGN s
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~~~~ Si Maftklal PPOPERTIES I Mt,8 3
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L LP TURalNE DISC thf 0RM ATIO,s A. UNIT toENTIFICATION
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MATERIAL PROPERTIES I hut l ~O'
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=
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E. 80RF STRESS F. CRACK OATA
$ PEED IRPal-STRESS -' ~~
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I 1.
1800 K5il
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3* MM
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j
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Q, c, C, -
.. ~. _. _.
L/
l
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i
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{
N d%
- 2. ESTIMATED MAX OA/DT llN/H48 Dg C, sd _.
M
,]
- 3. Maximum expected keyway crack size
_4. Ratio of maximum expected keyway. crack.
.. f DiC ib.._.
size to critical crack ette J
e-.
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ID e 1 00g1808908 q
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DISCS A
3 6
a.A.
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TE79 t a 7 FATT IDEG.F8
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?
6.
R.T.
IMPACTIFT.LSel
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IMPACI TEMP.
CI n
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SORE STRESS
~
F,_CF! A CK D A T A - - ~- ~
- 7. -
SPEED t RPMI ~ ' fistE55 q_'- ~ m b C
- 8. A=CR=0P 1l000 RPMI IINet
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7 I"
l.
1800 IK5tl 2._A=CR*05 30VER$ PEE 08_lIN l..
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1 OPER. TEMP. METat TEMP. HUS IDEG.Fg lbb
(*
2 ESTIMATED Mak OA/07 IIN/HR8
~j det.,
f:
( h C '"
M
- 3. N ainum espected keyway crack stas H*
4.. Ratio of c.azimum expected keyvay_czacfr J
t,
.AA sl e to critical crack size g
e' I
(
(( _. - -_.
1 I
- a.
9
I
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3~MATERlaL PROPERTIES (Hutt C. MATERIAL PROPERTlts (RlMI TAC *O TE
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- 5. ELONGafl0N
- 3. ELONG A T 10'8 7 taTT toEG.Fl
.3
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6l m.a.
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n'..i 8
R.T.
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6.
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TEST NO
- TETgt, e
9 U.S.
IMPACT TEMP.
- 7. U.S.
IMPACT TEMP.
=
'hSl 40EG,Fl (DEG.F8.
.4 30.'.U.S.
!MPACT ENG _
8_,. _.U.S._.. IMPACT EuG, e
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s
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b
$4A SA ChD
$/
7 '
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3..-Itaximum espected keyvay crack stre
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] h8 9.? h j* ',
else to critical crack stae C.
- 4..
p.
see m
.W M._
g------
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30 e ! 0081101901 3.!
LP YURBINE DISC INFORMATION A. U*e l f IDENTIFICATION b; nATE#tAL PROPERTIES IHutt C. n&TE R l at' PROPERTIES ~tRinl~
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IMPACT TEMP.
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53
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b, c, e.,
SPEED t RPnl ' STRESS - "-
-. P.,
-- b,o,(
1800
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_ h gg
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- 7. U.S.
IMPaCI TEMP. t C,'------------ gN U.S.'IM*ACT ENG.
- 8. d.5.~IIMPACI ENG.
(DEG.FI (DEG.Fl a-es '_. fFT.Ls.) (FT.L8.8 'J it. U.S. KIC 9 U.S. KIC j' - _.._.._ __..._.___. l K S I. 5 0 R T i t te l.l__ tK51*50RYtIN.l* e O. CHEMISTAT I --]M6 2- ]ht C.--- I R I C C, I2,C., b t.y c. t4-Geo--- N3 s i e. {$ ' ]I:h's0 8' C"-{ $". , C. C. __ Ak_ ,C. C -. N;., b,c,e (c, c h, - 8 C,C r. .s E. 80RE SimE55 SPEED tRPMI ~ 5 7 R E 5 5 --- - ~ - -~ F. CRACK OATA' - - ~ - - - a F aC ?* g*.1803 lt 3IS)._ K5 [ _, f- ._A;CR-05.10VERSPEED KS s, . A.CR-0P 1800 RPMI g N.) 13t4 lis. ) 'a h k(f 8 "'f ,44. G. SERVICE DATA c.t. _.. 1 b,C. c ~ g,c,e 1 t
- P.
PkR. EMP. n oEG.r ,w n METAhD flN/H 5 IMAT D MAX OA r adert
- 3. M.salmum expected keyway crack size Cs D s
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- 9. U.S.
IMPACT TEMP. j T. U.S. IMPACT TEMP. ? / *-.. . _ _.10. U.S... IMPACT ENG. .4
- 8. U.5.-.. -. IMPACT EhG._ _ _ -
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- 9. U.S. Klc g __
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- 2. m ms%
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- 7. U.S.
IMPACT TEMP. f' EDEG.FI = tDEG.F3 10;.Uis_e IMPACT E h G.. 8...U.S.._ IMPACT EN6. = es.. IFT.L8 3 IFTeLSel a s, II. U.S. KIC
- 9. U.S. Klc e
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- Y
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- 7. U.S.
IMPACT TEMP. 9 U.S. IMPACT TEMP. I*E G.- -~ ~ 47 U.5.~IMPtrf.t.NG. ~ ^ 'E ?* BO.^U'.Si Ipp .I -a,: t,T.t..I
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- 8. A*CR=0P 48800 RPnl l.
1800 ftS13 .11M.L
- 2. ;t3t3 OMN.. I K 51 I..
i['6 Ag(ettl l b - [* r ( g ; Ee SERVICE DATA ~ C m - kCC' s O{EnP.(IN/H g (DEG.Fg ( *l j OP{a. TEnP. META H M E5 IMATED MAX OA gg'g... i 3.._ Hazimum expected keyway crack size 4..,R.atio pf maximum expecteJ.keywey_gTp & - l Q. C.-- size to critical crack size
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- i+
r*, IFT.LS.) (FT.L8.3 II. U.S. KIC
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- 1. A=CR=0P lla00 RPM) !!N.I
____ 2. J3c9 tG%"M ___.IKSI). s- \\_ 2 e_ AT C R = 0 5_l 0 V E,R S P.IE01_ L I h. t .= Go SERVICE DATA W ~ i _ U 1: EUNHPAAV9NPfinMi l*E' 'I J F d ]^' e Q ~~ ' 3. Hautsum expected keyway crack alz'e I 9k b I 'l r'" l ~ A 4. Ratio of maximum expected keyway crack N ps; aire' to critical crack size kCiC. ^ i ,1 43 Du r~ 4$ s: ' 1 M IK518. __._.._.i_____ 2._ A*CR=05_.!0VER SPEEDl_I IN. I 6, SERVICE DATA cA p.! E *-
- 8. OPER. TEMP. METAL TEMP. HUS 80EG.F3
- C 3 C
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~~ size to 'criticaf crack sita TCIC. I P 0t I I _ - _ ~.
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- 7. U.S.
IMPACT TEMP. ,a s,,-
- 9. U.S.
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p
- 8. U.S.
IMPACT EwG._ e'... EFT.Lt.l IFT.LSel -T* BI. Ues.'EttLK51 50Rit!N.)L ..tK51 5QRTIINell__, b;
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P~ PAe F. ~ TEM,. EMP. ,e IoE..rl O,hR.3 MATED MANEDhD tlN/H _ [c. ' h 78 E5 'I({g ~l
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~ = ~ \\ 3,.
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- - 'stre to critical crack ~aise k Ci t. ~ ~ t
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- 1. 1TPE NECK El
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.IK539 ~,, ' Da G /- 1 (MIN. T.S. g CU510nERI__HA00AM UNIT 2 2. T* IK5tl l. Y.5. ~ \\.' U.5. CONN. YANKEE 3. 3. T.S. issil
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f E 7 9 2 9 -- - 7 FATT EDE6.FB
- 5. FATT lDEG.Fl
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- 7.U.l.IMPACTIFTJ.S.9
= A. R. IMPACTlU483 il',. R.T. o.I S,; = inPACT TE. MPACT U.S. (DEE.Fl (CE6.F3 O fU.M INPACT ENG. ~ 7',, -
- 8. U.$.
IMPACT E N G'. = -3' IFT.LB.) (FT.L8.3 II. U.S. KIC
- 9. U.S. KIC
' ?. .______.IK51 50RTlIN..ll_ l K 5 t e 5 GR T i llt e l l_._ J i._____ g m:.i ' s, f -_.. _. _ _ __ _ D. CHEMISTRY P C,R_ g _.39 0 _ gg_ qc, MN 5[ Q C. g,g, g 2 -]~ h@-' O g y-]b.C C ~ ~ ' ' ' - [ ' _] b,cgd -C- --)Cs C.~-{ '-]bsC 6' { 5 " _- - tC20-C 0-( 3 3 5 la -y F CRACK _ DATA _ E. 80RE STRESS t SPEED tRPMI__, STRESS 3 sD O e00 RPM N.) j"* . 2. Jacq b W %. gest! ( j. KR$PEEh)_I_ N 1 -s A.CR.0P A. B. 1800 51 CR-05 Ap .s' \\- 3* E
- 4. SERWICE DATA c.: -
y h6 P b*C.,e. I "I 1 TEMP. METAL TEMP. HUS IDES.Fl Ig)M p 2 OPER. ESTIMATED MAK 04/07 SIN / MAS l -3. nant u. en.ected keyv.y cr.ek eine iEKe L J ,.j d b.Ratto of mautmum expected _keyvsy_Cyack 2 f'_. etze to critical crack size b,c, c
- .3- - - - -- - - - -
l -l l Le %I [P$ 's s I (. t
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Y&u.5. IK538' ~~ ~ ? O.,t 4 LPs 2 4 2. u.T.S. tK5il -. 's-T.S. tu5tl
- 5. LOCAYl0N GEN
- 5. ELONGATION 3.
ELONGATION 6 OSSCs g 6 A.A.
- g q.
n.A. ~7 TEST N0.-~~ TE7933' 7e FATT'tDEG.F6 -'~.g.'
- 5. FATT EDEG.Ft p!. )
- 8. u.T.
IMPACTaFT.LBel at, 4. R.T. IMPACTIFT.LO.B R 9 .5 IMPACT TEMP. t,.
- 7. U.S.
IMPACT TEMP. g ,) IDEG.FI IDEG.F8 3 0. u. 5.-' t.eP A C T E N G.' ~ ~ ..e
- s. u.5. IMPACT ENG.
.a n * *I (FT.L8 3 IFT.LBel ,8 -f l
- 33. U.S. KIC
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- 1. Isoo 8x518
- 1. A-CR-OP tasoo RPM IN.
b C 8*- c. .J,._.._ ze.tacq Lt.Agdb) IK5I s.
- 3. A-Ca-05_J 0.vER$PgC01kilst.L
~' -.i._. n G. SERVICE DATA As.a) x ' 466 l-p, t;' i
- 1. OPER. TEMP. METAL T E ** P. HVB I D E G. l' )
{ Cs C DM lp ~
- ' 9*
%C /.*.
- 2. ESTIMATED MAX OA/DT IIN/MRI
.i l s {i
- 3. Pianimum expected keyway crack size
-l Q g L g 'I ~
- 4. Racio of e.aximum expected keyway crack
] - ' size to critical crack sizi-M C '~~ ~ t _. L. g7 Se 6 l-q 'g. t-t, 'J a-
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- 2. ESTIMATED MAE DA/DT tlN/HRI
-} s.%.e g h.. 3. Staatsum expected keyway crack stae NC y .* L. Am itatio oLaamism.a expected.keyvey.Itack ? ~~ gNC j stae to critical crack size i.- t s} 9 E
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- 33. U.S. mit 9
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- t. A.CR.0P ele 00 RPM) g 43
-a i .. 2 23tAtLiasM i a 5 t l_.,_ __ U
- 2. _st-C.R.0 5_ t o v E R SPEF9 I 78 1
_c-y _. n !4. sC/., f)CA cI I i- * /* 6 SERVICE DATA L_ E b J l TEMP. H IDEG.Fg (gig 3e. g kghR.tMATEDMAgETAhD{EMP. 8 ' n DA IIN/H ... _. -.... Haminua expected keyway crack size...... _ F.' _ _.c Ib,cg g, { ] 3. (- g I J 4. Ratto of s.azimum expected _keyvan cInck ? size to critical crack size k:_C,s 0_ _.... I 6. .t. 7 y .. e '.,I f* I. i p i m t U.____.___
DOC KET NO. 50-213 APPENDIX 3 HADDAM NECK PLANT WESTINGHOUSE (W) LOW PRESSURE 'IURBINE DISC INTEGRITY NON-PROPRIETARY l MARC!!, 1980 l l
.. - ~ -... - -.- Page 1 of 2 s.. APPENDIX 3 SECONDARY CHD4ISTRY UPSETS JULY. 1976 TO MARCH 19. 1980 ) I Free CORD Cl-Na+ OH- ~ Mhos/cm ptzn imm ppm.. u Date SG Cond. SG Cond. SG Cond. SG 10/21/76 8.85 5h 1.h5 0.h 11/21/76 2.05 .12 .08 <.15 12/h/76 2.15 .09 .09 <.15 12/16/76 32 .2h .28 <.15 i 2/19/80 5.6 .17 .80 .06 9 .02 .21 2/20/80 2.1 .25 1.5 .07 27 .15 .39 At all times other than specified on this chart, secondary chemistry was within specification limits. / l
'h. n ... a Page.2 of 2 NORMAL-ABNORMAL GYCTEM__ ANALYSIS SPECIFICATIONS SPECIFICATIONS STEAM 0 OENERATORS
- pH @ 25 C 8.5 - 9.0
<7 5 or 39 5. ' Cation Cond. <2.0 umhos (A) 3,7. 0
- Na
<0.10 ppm (B) 10.2 ppm Cl- <0.15 ppm 3,0.2 ppm Free OH- (as CACO ) <0.15 ppm 3,0.5 ppm 3 N2Hh NH3 <.25 ppn SiO2 <l.0 ppm 3,10 ppm Susp. Solids <1.0 ppm 3,10 ppm Fe Cu 0 FEEDWATER
- pH @ 25 C 8.8 - 9 2 Cond.
<h.0 umhos Diss. 02 <5 ppb >10 ppb N H4 ppb 02+5 2 NH3 <0.5 ppu Na <10 ppb Fe <10.0 ppb Cu <5.0 ppb CONDENSATE
- pH @ 25 C 8.5 - 9.2
" Cation Cond. <0.2 umhos Diss. 02 <5 ppb >10 ppb N Hg 2 NH3 <0.5 ppm "Na <10 ppb (B)
- In-Line instrumentation A.1.0 uMhos/em is the alarm point.
B. 60 ppb is the alarm point. t. l l 1 -.4 >}}