ML18227D396

Letter Attached Considerable Information on the Operating History Questionnaire of the Steam Generators

ML18227D396
Person / Time
Site:	Turkey Point
Issue date:	05/04/1978
From:	Robert E. Uhrig Florida Power & Light Co
To:	Schwencer A Office of Nuclear Reactor Regulation
References
Download: ML18227D396 (45)

Text

A@5 REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS >

DISTRIBUTION FOR INCOMING MATERIAL 50-25i REC:

SCHWENCER A

ORG:

UHRIG R E DOCDATE: 05/04/78 NRC FL PWR 5 LIGHT DATE RCVD: 05/09/78 DOCTYPE:

LETTER NOTARIZED:

NO COPIES RECEIVED

SUBJECT:

LTR 3 ENCL 3 FORWARDING INFO ON THE OPERATING HISTORY OF STEAM GENERATORS AT SUBJECT FACILITY IN ACCORDANCE WITH APPI lCANT"S LTR DTD 03/Oi/78... W/ATT LISTING OF OTHER APPLICANT LTRS TQ NRC.ON THE SAME SUBJECT.

PLANT NAME: TURKEY PT 54 REVIEWER INITIAL:

XJM DISTRIBUTOR INITIAL:~

DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS RESPONSES TQ STEAM GENERATOR QUESTIONNARE (DISTRIBUTION CODE A023)

FOR ACTION:

INTERNAL:

BR~6

'ER44W/7 ENCL REG FILE~~W/ENC HANAUER+4FW/ENCL SHAQ+4~W/ENCL BUTI ER~~I J/ENCL J COLLINS>>W/ENCL NRC PDR44IJ/ENCL OELD4>W/ENCL EISENHUT+<W/ENCL BAER+4W/ENCL EEB~~W/ENCL EXTERNAL:

LPDR'S MIAMI>

FL+%W/ENCL TIC~~W/ENCL NSI C~~W/ENCL RQN GAMBLE4FI~W/6 ENCL KEN HERRING~~+W/6 ENCL ACRS CAT B~+W/i6 ENCL DISTRIBUTION:

LTR 50 ENCL 50 8l ZE: iP+26P+3P CONTROL NBR:

78i290040

N

/

KIMY%7OOMITt'IKMp7 P.O. BOX 013100, MIAMI, FL 33101 s=-

IV l FLORIDAPOWER & LIGHTCOMPANY, May 4, 1978 L-78-162 Office of Nuclear Reactor Regulation Attention:

Mr. A. Schwencer, Chief Operating Reactors Branch Nl Division of Operating Reactors U.

S. Nuclear Regulatory Commission Washington, D.

C.

20555

'ear Mr. Schwencer:

g)Pl C >@i l ~l~

CD~

Q$

5 CD Re:

Turkey Point Unit 4 Docket No. 50-251 Steam Generator Information In accordance with our letter of March 1,

1978, (L-78-78),

considerable information on the operating history of the steam generators at Turkey Point Unit, 4 is attached as Appendix A.

A listing of other Florida Power

& Light Company letters to the Commission on the same subject is attached as Appendix B.

Very truly yours, Robert E. Uhrig Vice President REU/MAS/mb Attachments cc:

Mr. James P. O'Reilly, Region II Robert Lowenstein, Esquire 7Si29O0yO A'"

5 P EOP LE... SER VIN G P EOP LE

dl

Re:

Turkey Point. Unit 4

Docket No. 50-251 Steam Generator Information APPENDIX A

. STEAN GENERATOR O?ECTING HISTORY (UESTIOiiNAIRE IE.

t NOTE:

All percentages should be reported to 'four significant figures.

BASIC PLANT INFORMATION Plant: Turkey Point Unit 4

Startup Date June ll, 1973, '(initial criticality)

Utility: Florida Power

& Light Company Plant Location:

8 miles east of Florida City, Florida Thermal Power Level-2200 Ylwt Nuclear Steam SuPPly System (NSSS) Supplier-tlestiaghouse Number of Loops:'

Steam Generator Supplier, Nodel ho.

and Type:

Westinghouse 544 series, f T Q P

G t

3260 'er ical steam generator

, Number of Tub s Per Generator:

Tube Si2e and Hater ial:

0. 875" O.D; 0. 050" avg wa1l Incone'X.

~

~

STEPS<

GENERATOR OPERATING CONDITIONS

,1

~

Tempet ature:

516F Flow Rate:

3.l96 x l0 lb/hr Allowable Leakage pate-0-3 gpm Primary Pressure:

2235 psig Seconidary Pressure:

770 psig Accidents Design Base LOCA Hax-Delta-P:

900 psi reverse dp.

{The value reported in the Unit 3 questionnaire should also be 900 psi).

Hain Steam Lir-Break {tlSLB) Sax. Delta-P:

1750 psi STEIN GENERATOR SUPPOPT PLATE INFORMTIOH Naterial:

carbon steel Design Type:

plate with drilled tube holes and drilled interstitial flow holes.

Design Code-. As'oiler

& Pressure.vessel cade, section III.

Dimensions:

O 75" thick; 9.75'iameter Flow Rate:

33.8 x 10 lb/hr 6

Tube Hole D'.mensions:

0. 903" Fl ow Hol e Dir>ensions:

p. 375>>

2 IV.

STEP)

GENERATOR BLOWOGWi'i It/FORMATION Frequency of Slowdown-continuous Normal Blowdown Rate:

Bloxdown Ra e w/Condenser Leakage:

25 3Q g]b/hr/SG Chemical Analysis Results Same as secondary water chemistry.

Secondary water samples are taken from the blowdown line.

Results Parameter Control Limits I'.

NTER CHEMISTRY INFORMATION

-~5d Mt Type of Treatment and Effective Full Power (EFP) Months of Operation:

AVT after October 1974; EFPH not calculated.

Typical Chemis ry or Impurity Limits:

(separate Table attached)

Feedwater Typical Chemistry or Impurity Limits:

(separate.

Table attached)

Condenser Coolina Mater Typical Chemistry or Impurity Limits:

)separate Table attached)

Demineral iz'ers '- Type:

none Cooling Tower (open cycle, closed cycle or none):

none (closed cooling canal).

TABLE 1 Chemistr Information T

ical S/G Chemistr pH 8. 96 Cation cond. 1.0~mho Free OH C..13 ppm as OH NHz

.29 ppm Na+

.01 ppm Cl" <.05 ppm Hydrazine,

.030 ppm T ical Feedwater Chemistr pH 9.15 Cond.

3. 5 ~mho (total conductivity)

Hydrazine

.020 ppm Cl 4.05, ppm

,Fe c.010 ppm Cu

< 005 ppm

TABLE 2 Turne Point Coolin Slat:er Chemistr e1 gpss pgm C CO ppm CaCO>.

gLca~a zte ppm g~4~n pgm

@alai~~

gpss Czrgoo,~ te ~ gpss

'"~Son Dio.~Be> pgm Cg.axi~~-", pptL Cogge~~'pm luon.Pe ~ p pm

>z e ~-Bro:u8e~

pgm fo23.8e~

pgm

'%an~

ppm "

~ +II'gm Ir

't~~~

ppm'

~

Jpg. esj~~~ pan.

'a puese,, ppm

- 5itrzte bit=open~ ppm, Fitwte bitxogea, ppm 5p>ea pgm 270 0

329 80 596 I;'

6 3.7~000

40. 1 3;45

~ 0 0.3.

0. 214 1~375 4 0.05

0. 3.S5 0.001 phosphate, porn patzssi~~

ppm.. ~

a,'gm

~

Sa8i~,

ppm Sulfate~ pp&

Sulfide, ppm Su3 ite, ppm.

TaD S~ ~ pgm Conductivity~ ~~losf.cm Turbidity pH 0.05 0

3 9,200 2~800

40. 1 C0.1 33.~300

VI.

TURBINE STOP YALVE TESTING (applicable to Babcock 5 Wilcox (BN) S.G. only)

Fre uenc of Testin Actual:

Manufacturer Reco(rendatson. Power Level At Which Testin Is Conducted Actual: Manufacturer Recommendation: Testin Procedures (Stroke len th, stroke rate, etc.) Actual: Manufacturer Reccmmendation: }d/A VII; STEAM GENERATOR'TUBE DEGRADATION HISTORY,. (The folio'~ing is to be repeated for each scheduled ISI) Inservice Inspection (ISI} gate: l/70 Number of EFP Days of Operation Since Last Inspec ion:wsoT p,villi.AgLE. (The folio'~/ing is to be repeated for each steam generator) Steam Generator Ni.mber: 4A,Qa,d 4C-Percentage of Tubes Inspected At This ISI-RA:IIA77o,46:l2.3al,lc'2 544K Percentage cf Tubes Inspected At This ISI That.Had Been Inspected At The Pl evious Scheduled ISI: FiRsT MAzok IAsPEcTioA <> Ai-i 3 4MFRAvo~s. Percentage of Tubes Plugged Prior to This ISI: 4A'-.o')zan'lo, r854c: ala Percentage of Tubes Plugged At This ISI:fA:l.o147.,08: l.3l9 In 4c'.2454Vo Percentage of Tubes Plugged That Did Not Exceed Degradation LimitsAoAF Percentage of Tubes Plugged As A Result of'xceedance of Degradation Limits: ALL Sludge Layer Material Chemical Analysis Results: Hova Sludge Lancing (date}: 0/74. Ave. Heigh of Sludge Before Lancing: 4A:.9435,Ho uAeiwd-ew 460 4c Ave. Height of Sludge A ter Lancing:go> pvA<<p,pe Replacemen , Retubing or Other Remedial Action Considered: (Briefly Specify Details}8/A Support P late Hou'rglassing: P/g Support pla"e Islanding: W/A Tube Metalurgical Exam Results:g p,

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ I ~ ~ ~ 4 ~ ~ ~ I c ~ ~ 0 ~ II ~ C

COLUNNS 92 90 88 86 84 82 80 78 76 74 72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 2 63 61 59 57 71 69 67 6S I 55 53 47 4S 83 81 91 09 87 85 75 73 79 77 51 49 ?9 43 41 39 37 35 33 31 27 ?5 16 1 4 222018 23 21 19 I 17(15 4 12 10 8 I 13ilI 7 5 3 1 6 4 2 4s +A ~/74-I it ~ I I I i~ I ~ ja I )t I t t ~ ~ I ~I A-IstLET >50% x 40-49K O 21-39K HOllLE I ~ -45 ~ ~ ~- ~ ~- - 44 ~ ~ ~ ~ . ~ - 4'2 40 39 - 38 37 E.;"- 34 3Z ~ ~ ~-- ~ ~ ~ - 31 - ~ 30 Z9 28 27 ~ ~ 24 23 2? ~-- 18 17 16 IS 14 13 12 ~ ll io ~ 3 2 RGMS

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COLUMXS 92908886 848280 7876 74 72 7068666462 60505654 525040464442 40 30 3634 3230 282624 22201016 141210 8 6 4 2 l 74-I ~ I I ) I I ~ II ~ I t I tI tt I ~ i-.'1 t rj'.. '5 44 43 40 37 31 30 29 28 27 ZG 25 ~ ~ - 24 ~ ~ 23 22 21 ~ ~ - ~ ~ -- ZO - ~-- 18 ~.- ~ ~ ~ 17 16 15 14 13 12 ~ ~ 1I ~ ~ ~

~--- 10 8,'0 3 2 1 NXMAY A-OUTLET g snx X 40.49K 0 RI-35% XOZZLE NMS

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COLUMNS 9Z 90 88 86 84 82 80 78 76 74 72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34'2 30 28 26 24 22 20 18 16 14 )2 10 8 6 4 2 9s q/7'1 89 87 85 83 81 79 77 75 73 71 69 67 65 63 61 59 57 55 53 51 49 47 45 43 3>l 37 I 35 33 31 29 27 ?5 I 17i15 l3' l 9 7I 5 I I ~ ~I I > ~ I ( ~ t I t > I' I ~ I' I 45 ~ - ~ ~ ~ ~ ~ 44 "~ ~- ~ 42 41 40 39 33 36 34 32 ~ - ~ -30 29 28 27 26 25 24 22 21 20 19 17 IB 16 14 12 15 3 2 1 ~ - 13 ll --- 10 9 r 8 7 6 I 5 4 MAtQAY 0-ll>1ET CQ >50'5 >( 40.49K 21-39K N022LE

> ~f>> 084 "91 17 ~7'5 71 LA t;7 65 1 Z 0 gg :)7 SS 5~ 51~)'3 4 / 0 5 P~ '"rl 3937353331 2927252321 1.917 15 13 I I '3 7 5 3 1 I } Q? IG07Qi I 7Ie l 70I'G > I I ") 42 QO ="'t,' I-}b9 I 5o qual ..I oG'5L'>' I ~ 1 I 2422 2 lo lc 14 12 108 6-'1 2 COLU!VINS darer'8/8 for /~pc','~. 5oree/ r'I7/ pp/~~p~J P/ j)g~Mz~g ) ! i,~ I I\\ I e I Iy I j -(:-HH l e". I ~<< rj,l ~ ~ e ~ ~ ~r I I il I e I I I I ')0 tl I I fgQ.e ~., I -I I Ci 1-I-f 4!-I-I jl I ~ e ef I }r }r I ~ ~ I I r., l I I e I I-F-P .L e e I I ~ e e F -}:

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11 --- - )0 8 ~ 7 1 3 2 1 )QWS C-)NLET C! >50'f x an-49". 0 7)-35'l NOlZLE

0 3 VI. TUPBINE STOP YALYE TESTING {applicable to Babcock & Wilcox (8&M) S.G. only) Fre uenc of Testin Actual: Manufacturer Reco)r))endation: Power Level At Which Testin Is Conducted Actual: Hanufacturer Recommendation: Testin Procedures (Stroke length, stroke rate, etc.) Actual: Nanufacturer Recermendation: VII. STER) GEIA1ERATOR TUBE DEGRADATIOIN HISTORY (The following is to be repeated for each scheduled ISI) Inservice Inspection {ISI) Bate: 5'/75'umber of EFP Days of Operation Since Last Inspection:hloypvgichsLE (The following is to be repeated fo'r each steam generator) Steam Generator Number: gP, Qg, +C. Percentage of Tubes Inspected At This ISI:4A:4'42'/o, +6: 29.7ZV,,M'/.a0 lo Percentage cf Tubes Inspected At This ISI That Had Been Inspected At The previous Scheduled ISI: pissv gavosuue oovaae rusfecviou on Au. B s/<s. Percentage of Tubes Plugged Prior to This ISI:4A:(.it(5, 4S:l.3iq%,+..~ygy percenage o,f Tubes plugged At This ISI:4A:Lgss'/., vfH:z.oned",4c.'zAon/~ Percentage of Tubes Plugged That Did Not Exceed Degradation Limits:HoAE Percentage os Tubes Plugged As A Result of Exc cdance of Degradation Limits: ALL Sludge Layer Haterial Chemica1 Analysis Results:N/A Sludge Lancing {date): fd/A Ave. Height of Sludge Before Lancing: N/A Ave. Height of Sludge After Lancing: Replacement, Re+ubing or Other Remedial Action Considered: {Briefly Specify Details) l/As Support Plate Hourglassing:fu/A Support Pla".e Islanding: N/A Tube Netalurgical Exam Resul ts:gp \\

~ I 0 ~ ~ ~ ~ ~ ~ ~ 4 I ~ ~ ~ 0 ~ ~ s ~ I s ~ ~ 0 ~ ~ ~ ~ ~ ~ C ~

///g g 7 COLUMNS 'I 92908086 048200 7076 7472 7068666462 60 505654 525048464442 40383634 3230282624 22201016141210 0 6 4 01 79 77 75 73 7l 69 67 65 63 I 61 59 57 55 53 51 49 47i 45 43 41 37 35 33 31 29 27 25 23:21 19 17(1% j l l3' 1 i 9 ~ 7! 5 ~ II JI ~ I ~( ~ I(r I I ~ I I' II < II Ip JI v I ~r ~ ~ -45 ~ I VV ~ ~ ~ 3 p ~ ~ I na ~ I I ~ vms'>A

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~f4 pf COLUMNS t'eeg/ I i'2 90 68 66 04 82 80 70 76 74 72 70 6 I 17 )'5) l3'.>I' I7'5 I 23 21 19 91 87 85 83 01 79 69 67 65 63 61 59 53 51 49 47 45 75 73 71 43 41 39 37 33 35 57 55 31 29 27 25 3 1 1 ~ ~ 2 I 45 44 i. a 3 ) A pl 8 >a a) a> a 1 a e ..L.I, ~k e f I ~ ~ 'I ~ w ei ~ ) p.t>.~l. 2 36 35 34 b+ .Q) ) ~ 33 31 A) I;- 0 g4>ee) >e5 ~.J >9 ee 2aj 26 25 24 --- ~ 23 22 a:\\>>. Q JC>> ~ PC$4P k)ae gQ p( 2 $ )aag") t) )Ie' 0 I)>>> y ZO 19 18 ~ ~ - .7 'i XA'6 ~ 4 l3 12 t:: 11

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8 /.//l/7 92 90 80 86 84 82 80 78 76 74 72 70 68 66 64 62 60 50 56 4 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 10 16 14 12 10 0 6 4 2 1890785M8179 77 75 73 71 67 65 63 61 59 57 55 53 51 49 47 45 43 41 39 37 35 33 31 29 27 25 I 131I I I 9 7 5 3 ~ Ii I )I ). A M ri ~ I ~ ~ ~.' 45 44 ~ ~ r $ 3 I 40 l. I - I ~ Y 4 e.~ WIg i b. L9 ' L1 VE-VI 1i;- -. 8'~o l~gfi I I <) I III~ ~III I ~ ~ o 9-. -c-a op P Jp;.. 9 +. oQ)T ~ I I ~ I I >I

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92908 91 89 CONN!(S OA'x7J-4'7. fuws'ij' 70 68 66 64 62 60 58 56 54 52 50 48 46 44 4 2 GO 78 76 74 7 86 84 8 61 59 51 49 47 45 75 73 71 69 67 65 I 87 8S 83 81 43 79 77 57 55 53 rp 2 40 38 36 34 3 41 39 37 35 33 2 30 28 26 24 22 20 18 16 14 12.10 8 I 27 25 23'21 19 17'l5 13 I I 1 9 31 29 6 I 7. 5 x @Mego o<<& STD g ~fp. 4 4A + II j x X"5x~% 'tie@ ~ ~ X + X Ox<<, Oo , J( Px )( 7,' ~ ~ I 4 36

~-- 35 34 32 30 3M 31 J <<9 28 26 24 27 25 2'I ~0 19 1E 17 15 45 44 43 41 40 39 ~-- -.".-- 38 37 404x xi& Ro <0 ~ ~XO COx ~ s om: s-;Pxhxxx+- 8'C: '<- t 08-IQ gogo g pg,ugyeJ KuPI's 177M NOWAY 5 P yoQ .X Zc-3VV /g pf b X'X ly 04 plugging Pu8/ Wi Prix~r'OZZLE 13 li ll

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~arw~r 4 62 60 50 56 54 52 50 16 14 92 90 88 86 84 82 80 78 7G 74 72 70 60 6G 6 1210 8 I 13 I I I ' I 23'21 19 'l7( )5 25 27 41 67 65 63 61 i 91 89 87 51 49 47 45 39 37 35 33 31 29 77 75 73 71 69 43 85 83 81 79 59 57 55 53 COLURIS 48 46 44 42 40 30 36 34 32 30 28 26 24 22 20 10 6 4 2 5 3 1 'P< ~ I t ~@I CooRU I 0 I ~ OOX'bI7 IOO XPix+ t )( OO t. x8 - xpago I ~ < t< .J otgt x oc 'f' t aoxeao>. 3 0'o YJIIf/[ ~ OOOxo tI ooOIII bx ~ Geol I s C1A,'Q Dn QQ .OOR 0 ox I l xo* oct f/'~ tooII ~" A4t OX $.fs~$ aJ Ux oo~P t eeg: l Fie~Bx~o - I ' 0~I le-e < ii xe4t x~e" nhxns~ ~ ~ ossAOQ @*t cklgco t >4t-I-I'! C ba".LXQQOXO! OXQx'SOB '- DO., '(4!toOX ~ I p(gxgg! axocHO ~ ~ i I.I. ~i i v )1>.E~A4 ~. v~H~i- ~ -)-L 45 - ---- ~ 44 4 3 42 ~ \\ 36 35 34 33 32 t 31 30 29 28 ~--

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COLUN(S gu'P/. /9 rs I 13!11' 7 I 81 79'77 ,I I 91 89 87!OS!83 l 47 45 43 41 3'1 29 27 25 23I21 19 63 61 6/ 69 75 71 73 39 37 35 53 51 65 59 57 55 33 17i15 5 3 1 ~ ~ 45 44 4z ~ ~ 41 40 I !: ' ! ) I; I I .! 1) 38 ~- 37 36 35 l ~ I !! ~: l / 33 32 30-29 28 27 26 25 23 22 Zo 18 17 I! l I= rA~ 3l 'I" l L- ~l ~ W \\Jlf ~ ~ ~!ff f! ~ + ~ fl 16 13 12 11 10 7 8 6 4 f f I 15 .N ~5 ~ I Q Pg rrg'fgl/ 7 rr/fc7 If ~ 'Oh5 /rfffyfhf/ L9 P/rr rre/4 1:c~~~ !/n1v/ r 92908866848280 7876 7472 7068666462 60585654 5250484644424030 3634 3230 282624 22201816141210 8 6 4 2

CGI.IJNIIS. guar I>pre 92 90 GG 86 84 82 80 78 76 74 72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26.24 ZZ 20 '18 16 14 12.10 8 6 4 2 91 89 87 85 83 811 79 77 75 ~I73 71 69 67 65 63 61 59 57 55 53 51 49 47 45 43 41 39 37 35 33 31 29 Z7 25 23'1 19

17) 15 l31 Il 9

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COLUMBA!S '~zg irrP 92 90 88 86 84 82 GQ 78 76 74 72 70 68 66 64 62 60 58 55 54 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 91 69'87'85 81 79 77 75 73 71 69 67 65 63 61 59 57 55 53 51 49 47 45 43 41 39 37 353 31 27 25 23!21 19 17)15 13 ll 9 7 5 3 1 ~ I ( II 43 41 41 40 39 37 35 38 36 34 I I ( l'I II , ~ ~'e, ~ ) I Ca" III I Il I~ ~ I' \\ ~I ~l P 29 27 25 24 .22 2I 2I 19 17 16'5 14 13 12 'll 8 7 6 4 3 2 1 g P~upp rg 1'~>~i - I9'9'r I(((1, h'f Q V/ AfdCrl 7u)A - I g Iy NA77! F ROWS

Unit 3 inspection" data from December, 1977 and Unit 4 inspection data from May, 1976 and June, 1977 are being processed. Because the operations staff is heavily committed to supporting the current St. Lucie Unit 1 refueling outage and a Turkey Point Unit 4 refueling outage is scheduled for Summer,

1978, we are unable at.

this time to commit, resources to complete the question-naires. Therefore, we have established September 1, 1978

• as the goal for completing the Turkey Point questionnaires.

Re: 'urkey Point Unit 4 Docket. No. 50-251 Steam Generator Information APPENDIX B

FPL Correspondence with NRC Concerning Steam Generator Ins ections Turkev Point Units 3 4 'I September 30; 1975 . (L-75-475), R E. Uhrig (FPL) to George . 'ear (NRC), Turkey 'Point Units 3 .,&.4, "3:ntegrity of Steam Generator Tubes". (extensive eddy current test data) 'October 26, 1976 (L-76-369); R. E. Uhrig (ZPL) to George . Lear {NRC), Turkey Point Units 3 & 4, "Steam Generator-Xnspection Program" (integrity of 'small hend radius tubes) November 24, '1976 (L-76-403), P.. Z. Uhrig'FPL) to George Lear (NPC), Turkey Point. Unit. 4, "Steam Generator Xnspection Results".'integrity of small hend radius tubes) November 30, 1976 (L-76-409), R 'E. Uhrig (FPL) to George Lear (NRC), Turkey Point Unit. 4, "Steam Gen rator Xnspection Results Supplemental Xnformation". December 20, 1976 (L-76-42S), R.'. Uhrig (FPL) to George Lear (NRC), Turkey Point Units 3 & 4, Steam G nerator Surveillance". December 21, 1976 (L-76-,431), P.. E Uhrig (FPL) 'to G orge Lear (NRC), Turkey Point Unit 3, "Steam Generator Inspection Results". (integrity of small hend radius tubes) December 22, 1976 (L-76-432), R. E. Uhrig (FPL) to George Lear (NRC), Turkey Point Units 3 & 4, "Steam Gene ator Tube Integrity". (response to 12/10/76 HRC Request for Information) December 30, 1976 (L-76-434), R. E Unrig (FPL)'o George Lear (NRC), Turkev Point Units 3 & 4, "Steam Generator Tube Xntegrity Supplemental Information". January 3, 1977 (L-77-3), R E Uhrig (FPL) to George Lear {NRC), Turkey Point Units 3 & 4, Steam G nerator Tube Integrity Supp ~ m ntal Information". ~ January 21, 1977 (L-77-29), R. E Uhrig (FPL) to George Lear (NRC), Turkey Point Unit 4, "Steam Generator Operation". February 2, 1977 (L-77-40), R. E. Uhrig (FPL) to George Lear (NRC),- Turkey Point. Units 3 & 4, "Steam G nerator Tube Integrity Supplemental Information"., April ll, 1977 (L-77;ll2), R-E- Uhrig (FPL) to Victor Btello (NRC),.Turkey Point Unit 4, "Steam. G nerator Xnspection Program"

FPL Correspondence Pa e TcIo April 20, 1977 (L-77-1l7), R E. Uhr'ig {FPL) to Victor Stello (NRC}, Turkey'oint Unit. 4, "Steam 'G neratox'nspection Program Supplemental Information". June 9, 1977 (L-77-173), R. E. Uhrig (FPL) to Victor Stello (NRC), Turkey Point-Unit 4, "Steam Generator Inspection Results". (results of S/G'.inspections performed during the re3;oad 'outage) June 16, 1977 (L-77-179); R. E. Uhrig {FPL} to Vic or Stello (NRC), Turkey Point. Unit, 3,'Steam Generator Inspection Program" June 28, 1977 (L-77-198},,R. E Uhrig {PPL) to Victor Stello (NRC), Turkey Point Unit 4, "Steam Generator Inspections" (folio:~up to L-77-173 of June 9, 1977) Augus t 30, 1977 (L-77-267}, R. E. Uhrig (FPL) to..George Lear (HBC) p Turkey Point Unit. 3, "Steam Generator Inspection Px'ogram". (S/G inspection plan for reload outage) December 29, 1977 (L-77-393) R. E. Uhrig (FPL) to Victor Stello (NRC), Turkev Point Unit. 3, "Steam G nex'ator Inspection". ~ ~ January 18, 1978 (L-78-24), R. E. Uhrig (FPL) to Victor Stello (HRC) Turkey Point Unit 3, "Steam Generator Inspection Pesults" I t January 31, 1978 (L-78-34), R E. Uhrig (FPL} to George Lear ( RCj, T 'oint Unit 4 "Steam Generator Inspection Program". {S/G inspections planned for February, 1978) March 1, 1978 (L-78-82), R. E. Uhrig {FPL) to Victor Stello (NRC), Turkey Po=.nt Unit, 4, "Steam Generators Inspections" {results of February, 1978 insoections}

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