ML20085A616

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Submits No Comment to 730730 Memo Forwarding TCN-2 to Test Procedure 250/2.B&W Correspondence to Util During 1973,1974, 1976,1977,1978 & 1979 Re Procedures Encl
ML20085A616
Person / Time
Site: Crane Constellation icon.png
Issue date: 08/01/1973
From: Phinney J
BABCOCK & WILCOX CO.
To: Geoffrey Miller
GENERAL PUBLIC UTILITIES CORP.
References
TASK-*, TASK-02, TASK-2, TASK-GB GPU-0416, GPU-416, SOM-102, NUDOCS 8307060610
Download: ML20085A616 (39)
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Text

{{#Wiki_filter:f 1 .=_ _- ~ s 7 Babcock & Wilcox ,.,.,%,co, m I.' P.O. Be 1260.Lymhturg.Ya,24505 i Tew,hore (7c33 384 5111 ) Auc2st 1.1973 g scu 202 i. f .'8, Mr. C. P. Hiller 'CU Service Corporation Post Office Box 1.80 Middletown, PA 17057 hbject: Review of TCN-2 to 't? 250/2 (Blue Book) Dear Hr. Millers I have reviewed the subject TCN as transmitted in your memo DG-I-2707 of July 30, 1973, and haven't av ccanests. .c I, Ter7 truir yours4 s ... s 2 6 *e W+dNf

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Charles Shapiro CSR r II'l)cb. ' ~ Davfe Reporting Inc. i c C The Batcock & V.' acon Campany / E.ss,bleshed 1867 g 70jggk0 $$$$ 9 0 g A I, ,.;l - - va.:.-Q[.f;k2. bKh}/..C f/"iT ' l./ -~~ se : :.T. t

}. .\\, =.....y:; r-v i l i Babcock & Wilcox r-- e ...-._ _.-_... Lyncteurs, Va. 2450$.. P.O. See 1260 Telesmone: (703) 3M-5111 4 1 i r a i .I*... I, l i e s.-.. l August 21, 1973 .'... it? ; l 'H. 3 I .,u. . k.:h f SON 114 ..t i .p. ., s.. s i I s 1; y; t ..p .i \\ t '.~,..,*.i 4 6 i i .;g l e g ".

  • 3) nr. c:r. Htu.c Cru Service Corporation Past 0ffice aos 480 Mi,fd!stown, Pennsylvania 17057

-.' 'l t. . /. *.,, a g Subject MTI 144.4.3 - Makeup and Purification ? System , '.. F ife' ' t .i. g [.'} ,5.f *h. - l Dear Mr. Miller 8~. s B&W ~~ ','a' *. 4..,T ; t The subject flush procedure has been approved for perforusace.

  • ,,; rg does, however, take exception to operation of the HU systas as i

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.'s.. tollswss 1 4 1. B&if does not concur with the present lobe oil ~'; f.sf ', t1 r l y' system control lo5ic. 2. BEU does not concur with use of the present. flat

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( = plate strainer at the HU pump suction. ,, ?! .,},; St.V approval signature on the subject document does not represent. l 'i.'.,.f, departure from the above position. Yery truly yours. j,j

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..,.llt .j. J.D. Phinney ,g, Site operations Manager Q 207/$9 CC: V,$. Delicate 1,X. Beach

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Dab oclt & Wilcox ,,m,, F P.O. L e 1260, t)mtecm*g, V.n.2450S tem C3M 384 5111 septecber 18, 1973 b121) Mr. O. P. Miller CPU Service Corporation Post Office Box k80 Middletown, PA 17057 / Subjects changes in RPS Sgtpoints Deng Mr. Miller: Due to drift that exists la the set points of the bistables used is the 275'. it will be secessary to chande the set points of the b1 stables to insure they sever eseeed the limits found la the Tech. Specs. Section of the FSAR. It should be thoroughly understood that all of these changes move the set poiste to values that are more conservative than the ones allowed by the 'hmh. Spees. e. DP 5110102 (Plaat set points for Met. B1) will be revised as follows: } (1) Page 29 Power /Ptseps trip e Number of Pumps Power leret Runnima Tris Point s 2 (1 each loop) >90.8755 J. (2) Page 30 Power Invelaye { 31 -36.375s m2 - +5.396 a, -rt.1875 M, -0.831 i 33 - +0.sers .l 36 - +36.3755 Power Level = 109.8875% l (3) Page 31 % Pumps 3 Finaps 1 Pump l Optrating Operating In Iach loop Shutdown l Power-loo? Pave -757 Pover L91 byenes Nue1cer Over-1 Power Later er Inter Unchanged I aish meactor l Coolant.Systes I E i 235%.6 2356.6 23)k.6 Unchanged f I i ( we m a m..c.,,n .,,isu w i 1 .1 4rg g, **.e,.'""g.". e.f.'.%:. O' ' a..;. 1 r,,[ " f. 1. l]. 4pe ,.. --....~.:

Babcock t.YN-o1 i Septe:2ber 18, 1973, F.r. C. F. Miller 1 Pump k Peps 3 P.cys Stratdows l In Zach loop operating herating Fever k95_ tytas s ' Peree -3r>c5 Pcreer-751 i I m Rwetor Coc,last systes tresr.are, Psis. 1800.% 1800.4 1800.4 Dypassed l (sin,) Teep. F., (max.) 618 95'r 618 95*F 618.93*F 618 9ff f seactor coolast j 13 267 - $993 - DC Variable 1=v reactor coolant syste:s pressure psig. sin. I presswe. t Tory truly yours. I l I I } "'1 ludiccfl l i f

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A e. i THE BABCOCK & Wit.COI COMPANY PO'aER GENERATION GROUP To l lt i F R. SIAC3, l'Je AcZ2. TTf"3 CPERATICES g rro. J. D. PEI:~::II. SITI 07.8..4ATICUS MA: LAGER L. W ses eas.s" _f.. Ca s t. File No. or Re.f ,i

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.w i SITE STATT REGUI1UMZ2TS SEPTI

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  • "ho purpose of this meno is to justify a nampower increase to the "."AI site staff

.,..i ) ,,.",1 fe. procedure review. s ,.t. At the present time the following appresimate nusbers of procedures remain to be t reviewed by the sites

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,,? f j a. Fre SFT and MFT (TWG) 55 .^ * *'T 2 i 8 b. IM 51 j e. IFFT and PES (TW3) 25 [J; '.*Q. i

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OP's 1 c.'. s4G . 4 * ' *; W.AI, 189 1 '.s. ' l . r Of the total, approximately 30 are moe-BfsV secpe a=4 only receive attention via the * ".v. t l 4 WO. ,. '. J.I 1 a. cf the remaining 159, approxImately 8:iy require both an initial reriev and a cursory <,*.. :s, 3 5 { review for satisfactory incorporaties of com ents. In all cases. MV concurrance s . 7,..;;j sidnature is required. .

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n I estimate that a r.ininun of two (2) uninterrupted nandays/ accu =ent is required *

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( for adequate review. This does not include such details as valve lineup, breaker. ~ ,. 4')~j t positions, etc. . 5,1 s '..0 E Until recently, site effort on procedure review is estimated as follows: i 204 - 2Ci (including participation in TWG and IN seetings) . Q ^ SOE - 305 .' 4 f 3 NS Zagineers - 60% each i"'j FSS - 105 Q' ]1 ~ This level of effort is not possible now due to increased plant activity and the . '.)") situation is not expected to improve. I expect the maxi =us effort that can be aissained by the site staff on procedure review from 10/1/73 throud fuel loading is; fC( - 10%, all others - $5. This estimate is ade assu:2ics that the two (2)

osi-ic.ns now open on the site staff are filled this cocth. With a minimum of 320

=ar.isys of ;rocedure review remaining, it is obvious that we canset meet the most

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persimistic plant schedule, r.uch less the customers proced:.u - need dates. .,3 s t. .s I t y. a t. ' N t my _..,.p

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= crist to ;revite -i=ely review cf procedures the site staff should be increased f.

by thru (3) I:y-itura (all three sh da hm mechs 1cti bachg-ound and one of the /.s the a;;ro;riste ti=e one of these men three sheald lave s=e ZaC capability). .o 11 be re;* sees ty a Resctor Operaticas E=gi=eer for review of the j I W; f==e11ately. This estimate is ande .,,.g Tests. sis (6) =dsths irith the peak effort f.egiani: s assning pblishei plant schedules will slip by aht (2) two months.

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..9 I vou11 recc=ssa that the cus'.oser pay for this service via Master-services or name. .,'.#j t cther seams cr. the crc. mis that review r@cen*.s of this nature are nomally not part of ECJ sco;e a=.1 the late dates of subcit.a1 for review (first 0F received

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.",.g 7/16/73, first I?G Procedure received 7/22/73). - work as cur otter ces*.rac;s is e complished via Master y I note that naarly all of this fervices people. .M., J .W /cas ~.. . ~. -.:.., E.;' ces J. C. Dediens ~ I. G. 'Jard 4.*.+/ * . -... e

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i .~, wf5. i Babcock & Wilcox r.em-. PS Su 1.40.tincteu ave.2405 j ?...-won ass susin i I a January 9,1974 l I 59 l l [3 li Mr. G. P. ML11er GPU Service Corporatica Post Cffice Boz L80 Middletown, PA 17057 8 f Subjects Set Point Drift 1 I Dear Mr. Millars I I Due to drift that exists la the set polats of the b! stables used in the RFS it will te necessary to change the set points of the bistables to 1r.sure they merge ezzeed the limits found in the Terh. E;ees. Seetion of the FSAR. All of these changes r.ove the set points to valtes that are I =sre conservative than the ones allowed by the 'l*ach. 7. pees. .I DF 1101 C2 sts=1d be amended as follows: (1) Page 29 Power / Pumps ' dips ~

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j e i i P.a=her of Pumps Power Zevel 'Irip j ! i Rt:nnine Point { l ', I 2 (1 each loop) P90.67% 4 (2) Page 30 Fover Envelope 31 = - 3k.3755 Mt = + (.h 32 = - 2.k175 H2 = - 2.211 5 1875 l I 3 3 = + 3k.3755 Power 14 vel = 207.82755. 3 h=+ r 8 I J 3 4

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!='.nluc e 2 03 1.03 1.0S Iyp sced Eulcar D.orpover .nsea on P.r.zp Monitors a m 90.6755 hpssoa i t e Ilch Resetor Coolant Treasure, PSIC 23')i.6 23%.6 2354.6 1719 6 I. Iad Resetor Coolant Presure,PSIG 1,800.h 1800.1 1800.L 37;nseel t Rcactor Coolsat l W esture,oF 618 95 618 95 618.95 618.95 I Eity. Besctor Buildinc Tressure, PSIG 4 4 l

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I P3IG (Same for all three yssp conficerations and bypascea fr. ohutdown typass r. ode) i i I 4 Very truly yours, s ~ I j I .' ) (G.0D(Al.fC l 1 J. D. Phir.ney t 3 i Site Operatiens Mainger t i gi l I .D?/cas i c:

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t q r .s ,-f' ,.e, l_-w. -s.u :=s Babcock &.Wilcox _.- - Tewgecre: G03) 384 Sill . January 17, 197% i sm 1Gs t i Mr. J. C. Herbeim Metropolitan raison Campaar l Post Office Box 480 f 170FT Middletown PA ( Power Operation Prceedure l OF 1102 04

Subject:

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Dear Mr. Eerbels:

1102/k Power J. C. Earbeta letter dated 11/3/73, subjects 1 Beforence Operation Procedure dure was met approved. Reference 3etter stated that the subject proceinput tren E&V [ for the following reasons, each requiring tilt and imbalance 1 5 J Method for he'ai calculating incere and escore and rod insertion limits. and tul Am. a. l c Recommended response to ensputer " tilt" - Amba an e o b. sertion alarna. f imbalance. of Gp. 8 rods to control tilt end d using the core and 7 j c. Use Incore tilt and imbalance are normily esiculate If the plaar. I the plant computer.l tions should be zadt using quadrant power ratios available from 2. This method is fully explained in DP 1203 UT.Os cmputer is out of service these calcu a backup incore system. IW, out of core 5=h=1= ace which has been 3rovided to you tyin section 1.0 of Technica may be read directly 1r 13e o;erster insertion alars pekage has co=; uter tilt, ishalance, and rod d is scheduled to be isThere vill be recently been developed for ';MI Unit I an January 21. 197k. The 3 sts11ed in your co=; uter the veet of h ical specifications alaros. I d allow me to answer any both approach-to and violation of tec n ' specific questions which you niCht 1.sare,reco:::en t t The saa. cme.&W.=m cuapaar 1 psm ta67 i l i A. i-i e ~ ~ ~ - -4 [6T. _ _ I. 4,1.3/ <'.'. f~~ O'A I D. 3 ' N/ r ~ " :, m.~~ ? ~ ~_:... %.~. A ;.y - ~ c.- ~ ~ ~~ ,.=- ~ t

s~ '~ Dabcock 8.WilcoK January 17,197% 2 Mr. J. C. Herbein Group 8 rods are no longer intended to be used to control tilt, The use of Group 8 rods to cor. trol imbalance is outlined in DP 1102 Ok, k.

  1. cver Operation the draft procedure provided by BW for use in pre.

Paration of you: operating procedure. 9 Very truly yours. i J. D. Phinney i Site Operations Naamger i t JDP/RAC/cas I. R. R. Beach j cc

3. J. Worsham. Jr.

R. A. Gcvers [ E. !.. X1adek E. J. Copfela G. P. Miller l i s i 1 1 1 .i . t. I I a I-I 5 I i } i 1 1 e L i i. r /i i w 1 r 1 t ~.! ' ~ - - - - - ' - ~ '~

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h, s. 1 Babcock & Wilcox %- c, P.O.5:s 12 ~4.LiecNtug. vA 24%5 Tevv:-en (7c3: 3445111 h Jac:a.7 31.15rth 4 l SON 173 l

tr. C. Z. Eartnn Netre;olitan ZAizon Coc:pary Post Office Box 480 Mi**'atovs, FA 17057 Sc 'ects set Point Drift Dearer.$artaans i

Due to drift that ezists in the set points of the histables used is the l 7.?S it will be no:essary to change the set ;oists if the histables to 1:s".re they never exceed the limits fc.zal !a *.he Tech. Specs. Sectica of All of t1ese char.ges = ave the sc. points tit values that are the 77.A2. more conservative than the onee allowed 17 the Tech. Specs. l j As repested by you, the correspcmding valtsges for t we setpoints are shows in parenthesis. LP 1101 02 should be amended as follous: 8 l (1) Page'29 Fover/ Pumps Trips = Pywer I.evel '. iip Eur.Ler of Pu=ps i Point h=ni-r I 2,(1 each locy) 790.8755 (7 277) (2) Page 30 Power Invelope X1 = +1.085 N 32 = - 34.3755 (-2.257) 2.h175 ( k.507) H2 " ~1*599 l I 32=. 1 5 1875 (-5.k157) l 1.3 = + 36.3755 (-7 75T)Power 1.evel = 13r.85755 (8.6317) l .=+ / l t Tra 3.tcach & % acas Camperiy / Es:adW%r=d IMF i 8

  • e..

l A i i l I -{ I s -, 4/1 g lo. lle. Lg&..3 ~&.,.. *r -L' m .* i ( ,5 e.., ; t, j, _, ,r,...,e ( - - - = = = * -

e .4 h* 2 (3) Page 31 k Pumps 3 Pumps

  • Pump St.utdeva operating Operating "a Zach Imop Brjams Fover.100J Pova*-750

)'over k90 nuclear overpower 105 4375 105 4375 205 4375 k.pn5 (8.635y) (8.h35V) (8.435V) (c.395v) 1.07885 times 1.078$5 times 107885 times Nuclear ovgr;over flow mimus flow mia:as flov =f=== Based on Flaw ara reductio,a due reduction due reduction due ,g Imbalaaee, to inhatance to inhalance to imbalance 5, Max. helest Overpower Based on Pmp Honitors E& M 90.8755 W (7 2rr) High ReneMr Coolant 8 Press se, PSIG 2354.6-23%.6 23%.6 1719.6 (8.1825) (8.1825) (8.1825) (0.24507) n' Low Resetor Coolast Pressure, PSIG 18C0.4 1800.4 1800.4 Eppassd * (1.255V) (1.25pv) (1.2357) i Reactor coolmat 618 95 618 95 618 95 613.95 temperature, *r (p.895v) (9 895V) (9 895V) (9.895V) e. Righ Remetar Buil&ias 4 . j; Pressure PSIC 4 4* ~ t. Variable Iav Remeter 16.27:out -TT52 s DC Pressure coolant Systen Pressure, (Same for all three pump configurations sad pggg by3mesed la shutdove bypass mode) f e i Very truly yours, 3 {A $/ ,...,m.e, Site Operaticas Manager i JDF/SPN/eas e: R. 3. Banch V S. Delicate J. G. Eerbeia C. F. Miller j ... ~ I a n h.- L.. _. ___. i 6f 94_ 4/1. b.5. 5.o1..n.is. 2.M..t..~.. _.. 4.r 4.

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w i Babcock & Wilcox %,. c~.~. c.~ - P O 3:e 1260 LMt eg.YA "45M wa ce :7::3$ 2s: 5111 February 13, IFA i 126 Mr. C. P. N'11er GP'J rervice Corporation ?sst Office Box L80 21411etown,

    • A 17057 P.eference: DP 1101 01 P2asc. L1=its & Precautions TP 200 6 RC Ptmp Initial Opeaation

' 3ent Mr. Miller: Mk' has reviewed TP 200/6, RC Pasp 141tial Operatioc, and.1 ave fount the cold EC temp. =stor current higher than originally ellowed in DE 1101 01. M'J Ingineering and A*11s Chalmers have reviewed the test -o=ditions/ results. As a result, 24*J vill revise DF 11010( te indicste nazisaan F.C hap notor current is 830 er.ps. Also pu=p operation urier tiese com-ditions should be minimi:e1 and pu=p star *.s/operatica shot 14 he dis".ributed between all pw:ps. If you have any questions conceratag this ch= age please see Steve Dev. ~ Very truly yours. L W $ $ *~ s J. D. Phinney Site Operations Manager JDP/C4D/cas ect J. G. Eerbein R. R. Beach W. S. Delicate i T Thea*-h & v/.k:os Company / Estableshed 1667 r N A s d. i k 44 giggi. ?R...A..R.....,Q.. 1;-_.

s, 4 / .t. t / Babcock & Wilcox %- =n-.ie P.O. Sea 12GQ,Lyncreurs.Va. 24505 } Tekphone (703) 3845111 I Februm.vy 27. 1974 r*SO:(196,m ..e-. s i i Mr. G. P. Miller CPU Service Corporation Post Office Boz 480 i Middletova, PA 17037

Subject:

Revised Computer Alarm Setpoints l Dear Mr. Millers k e Attached are the revised camputer alarm setpoints. These alarms are'as docu=ented in E&lPs " Plant Setpoints". DP 5 1101 02. Pisme insure that these are the alarm setpoints set in the computer apu correct the conqpater i settings as necessary. .i B&W vill provide updated documentation reflecting these changes at a later date. Yery truly yours. J. D. Phinner" Site Operations Hamager j JDF/JMI/cas t ce V. 5. Delicate J. G. Berbeim R. R. Beach t D l Tre sancock & wuces company / tasansehed 1ss7 f s. ... -. - - - - - = I . -.-.-- =*..

o.= "* fi cK.*#.

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20 i. Babcock & Wilcox w c .c.,n P.C. Boa 1200.1.r.W.naag. Va. 2 * *AS 7e.*=*iort. 332 344 5111 February 26. 197k i {~S2.'.198 ,i Mr. J. C. Earbeta Metroyo11taa T/.ison Cs=.pany I P:st Offlee box kSO Xfdf.letcr.n. PA 17057 -y: i I s' Eutject: Tuel Trar.sfer Canal Seal Flate Insta11atico

  • eference:

DP 15ck/0L Revision 01 (Canal real Plate Renoval & hplacement) Lev 2r. Eerbelas .t' Ete; 6.1.05 A. B & C of the referenced procedure refleets the height of t the t.:;: surface of the o;ater seal plate rasket.to be greater than the ? tcp r:rface of the inne. gasket. f' This is *.m error. Select gesket thicizess from stceh available (morr.a1 si es are 3/k" Z T(8* to 3/b" Z 13/i") to obstia sa taner gasket thickness 1/8 inch g=eatser than the o::er gasket thickness when allowance is esJe for any differences la y eleratics between the shield plate and the reactor vessel ledge. i For j i eas=-le. If the shield plate is 1/8 in=h lower than the vessel ledge, tt.e gsale: thicknesses should be the sar.e. is should also be acted that 35W draeir.g ILUy333-02 (Arrangement Seal Flate & ,i Aiel.: 713:elis not in agreement with the y.rocedure. This drawing vill be t rfrised, accordingly and subsequestly forwardei.

  • - ]'

t Yery traly yours Y 1 O, 14N*/ a J. D. Phimney f I { Site 0;eratteas Hamager ' { J3.*/CET./cas R. R. Beach (B&W Iynchburg) y ces

  • f. S. Delicate (B&W Iynehburg) a J. A. Renshav (C7J) 4 C. C. Schieck/K33-5 DF 15ch/04 (B&W Ignehburg)

~."4-1 DP 1501/04 Fi2e C. E. T.ramer (T'f! Site) I i i i w s.erm av.w co,.ir,; cme ra isc r e et = ,..:. b D, j t '.1.r: O.o" c-W ".*. r.s* . ( t ..-.-r w '.. - 7110., f '!Ii1I ..i l$j e v--

'C'-!bCCC!C & WIICOX ruercener.r.cac o P.O. Sea 12C3. Lynctitm.rC. Ya. 245C5 Toeshoca. (703) 3845111 April 5, 15th .. - m. 3 SOE 2L8 / Mr. G. F. NL11er CPU Service Corporation Post Office Box 480 Middletown. FA 1705T Suhject: RCP Yibration T,stisc. EC Flow and Flow Coastamas Tests (Dct with Core) m.ar nr. xiller: Tbc scope of RC Flow Test. Bot with Cere (TP 200/11D) and RC Flow Coast-1. down Test, Eot ytth Core ('iT P00/12D) has been reviewed am.1 the fallsving 8 alaima requirements are estah11 sheds Stne Testing (TF 200/11D) s. Stesif (1) Four single p=np runs to establish pump capacity hierarchy. I (2) Two 0-pm=p rass with cae la each loop (ET !alet mossies 150* ami 60* apertl. l (3). Two 2-pu=:p runs with the pumps running in one loop (single loop operation). (%) Wo 3-pep runs. (5) One 4-piz:p run. In other vords, yos ::ay delete two of ths two ' pump runs mad two of the three pt=sp runs from the current TF 200/11D. h. Coastdown Testing ('E7 200/12D) (1) Four pua;,s ru'rin.- to zero purps running. (2) Three pays ru'etng to scro p==ps running. Use the three lowest flow RCP's. (3) Tw mz runnin: to zero pu=ps running. Use the lowest flow RCP La each loop. ihe Babcod & Eris:na Can,ar.y / LA*5Wud W 6 w ._ _,J =...._.. ...-._.- m t ~ W:. \\~~~ '~ ~ ' ~~ ~ u..a-: -x,i:+.z. 35E qgm .. c.s,..,r L,a oit .un.ww. 3

A ril 5.1974 i P Hr. C. P. Miller (4) Four pu=ps running to thrcu pumps running. Trip the highest flow BCP. (5) Four pamps running to two pu::ps running. Trip both pumps in loop with.the highest flow. (6) Four pumps running to two pumps running. Trip higAest flow pump in each loop. (7) Three pumps running to two pumps running. Trip the paap in the loop with the idle RCF. (8) Three pumps running to two PLesps ruantag. Trip the highest flow RCP in the loop which has 2 pumps running. Note that the four or three pump coastdows acceptance criteria applies to esses (1) (2) and (3) above. The two pamp coastdown acceptance critaria applies to cases ($). (6). (T) and (8) above. The one p.mp coastdown acceptance criteria applies to case (b) above. 2. Additional rec==*tions for TF 200/11D are as follows: Co:sputer printed loop A and 3 inlet terspe:.tures should be M a. instead of 1st. Assign a 3$ allowable variation in RC flobinstema of 15. b. Take 2 minutes of steady state data instead of 1 minute. c. 3. Additional recoangedatiors for TP 200/12D are as follows: a. Came as 3.b above. b. Insure resetimeter logging interval is 0.2 seconds instead of 2 _ seconds. Taks 10 seconds of data in crder to get a sped value of initial c. flow instead of only 2 seconds. SP 710/2 should reguire RCP Vibration Testing (SP 201.19) for those RCP conbinations required by paragraph 1.a above (TP 200/11D). Very truly yours. diaa'wv - ,\\ g-g J. D. Phinney Site Operations Manager i JDP/ RAG /cas I cc J. G. Herbein R. C. !!cconnell S. M. Dev C. E. Kramer , Site File (200/11D,200/12D) Lynch. File (200/11D} 200/12D l. M = 4 ' J t

= ~- I j ..g O \\ N(. l l i i ~- m.mo c~ Babcock & Wilcox P.O.&n 1:60.L>Wg.VA 24505 Te'ertres 17333 343 51?1 April 29, 197k 2M - *r Mr. G. F. Miller GPU Service Corporation Post 0.*fice Box liSO i Middletown. PA 17057 Dear Mr. Millers - t Please be advised that the turbine bypass valve setpoint on a reactor 2&W will change t trip should be biased by 125 PSI. Ai TF 8G0/1%, be reviewed and the setpoint changed

  • to reflect t p,

I 4 -l setpoint. Very truly yours, DWEs'f i i J. D. Phinney ] Site Operations Manager JDP/JMH/cas cc: W. S. Delicate R. J. McCartnell J. G. Herbein s. 1

  • 3I u.

l d .I t i l [ l i l ash u k & Wlces Company / Edatsehed 1867 1 The i i .4 d

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  • Fe-*ce S -7331334 5111 Hay 6,197h 229 h

H.. G. P. Miller oration CPU Service Corp!.80 Post Office Boz !!iddletevn. PA 1705T fubject: Resctor Operating Chanses - Referer.ce: Letter I. G. Ward to R. V. Heward, same subject dated Dec.1%,1973

Dear Mr. Hiller:

i E!.V has increased the reactor coolant tenperature interlock for starting e the Fourth Reactor Coolant Pwsp from 500*y to 525'T. b our knowlea e s this chwe has not yet been accomplished in the plant. } Very truly yours, .i ( = (h . D. Phinney { Site Operations Manager JDP/3HD/cas l ect V. S. Delicate (w/o attachment) J. C. Etrbein (w/sttachmentl R. J..t Cona=11 (w/o attacisment) } , The Saecock & wucas Compaar J [sLabhshed 1967. e .. 'L. y .} = j

m-v. .(N O Babcock & Wilcox c e.c-.r c-P.O. Sea 1260 Lynr.hburg.Va.24505 Teiephone: (70313S -5111 s - May 17. 197% 508 Mr. C. P. Miller CPU Service Corporation Post Office Box k80 Middletown, PA 17057 Procedure for Pressuriser Spray Flow During Single Loop Operation. Subje:t: Transmittal of

  • 4t'.cr ft.r. J. 3. Pi.r. 7 to C. ?. *iiller f.:.tc!. *h7 Ih,177%

La* car.:4: (SCN 231)

Dear Mr. Miller:

Attachsd is the procedure outline which should be used*4tes performing the subje=t test as recoa. mended in the referer.ced letter. .t Yery tru2y yours, .t ... ~ _., Site Operatior.s Msanger JDF/CEF./cas Attachments (2) cca R. J. McConnell J. C. Herbein E. A. Govers C. Z. Kramer 0 ,/ ./ o The C.atssch & V.Wes Camssmy / Es'abrded 1867 a A .s r .:n -\\.... .J. $.g.g.OMB I. 'h.o.[J....... i g,

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^ s i I 3 l 1 PRI:3StaI7.I3 SMIAY CU3ILG SI%G.E l ICOP 01ERATICE To deter = ire the ascnitude of pressure reduction as a fumetion OPafECTIVI: of press-rizer spray only when RC p=ps are run in the loop opp site the spray line to the pressariser. ~ I MSIC INITIAL CORDITIOES: RC h nperature 532 +/- l e l 215$ +/- 25 PSIG RC Pressure Pressuriser Spray Valve (RC-Y1) Closed All Remetar Coolaat FWaps running Pressurizer heaters in automatie sentrol j Pressurizar level control la automatie

  • i i

DATA REQUIRD; Remetineter Data C zouter tata i % Itatry Patch Panel C4ciputer 3D _ mm:bar wu= der nu=ter Parameter 3L I:00 Twp rature -- 7.;a,p A -Tm RCS Teperature - Icop B Tout 32 43 30 BCS Pressure - Isop 3 P. arrow Range 92 28 BCS Pressure - Imop A L'id.e Range Pressurizar Lorel - Ts=parature, Compensated kl 27 0$04 40 26 [ Pressuriser Ta:perature Pressuriser Spray Yalve - Closed /0 Pea 0520 Pressurizar Spray Line Temperature 0516-Pressuriser Sarge Line Temperature 56 45 8 BCP-1A Runnias 55 41 BCP-1B Running 57 43 RCP-1C Running 58 %7 BCP-ID Running PICCEKTRE Ot.TI.III: Assign the following items to the tread 3og on the computer with as interral 1. of one (1) minute. Start R oad. 1 M er Point T2 Parameter ' 38% i

    • RC Flev - Icop A (Comp) 1685
    • RC Plow - Imop B (Comp) 0506
    • RCS Temperature - Loop A Tout 0509
    • RCS Temperature - Imop B Toug 0520

$7g777g

  • Pressuriser Spray Line Temperature 0516 Page 1 d 2
  • Pressurizar Surge Line Tecperature 050b gy,g
  • Pressurizer Temperature

- ~ -........ - - 4P gM JI ~ .....-..-1...-._..:.-

l g t m. 6'

  • Pare:.eters rewired for' a test en.1r.atios.,
    • Parar.eters required for eq2111trica verification only.

Verify plaz;t equilibrius cceditior.s czist in each loop. 2. Note:. Equilibrium exists wSes three (3) consecutive print outs have dlov values within three ;ercent (25) ar.1 when consecutive loop te:;peratures are within 37. With equilibrium conditions as+= W S**, record two (2) minutes of 3. ha.14== data on the Reactimeter. Beneti=eter recording i=terval skuld"be three(3) seconds. Kate: lauwe Reactimeter and coeproter trend running throughout rensindes I Notes of test. Trip both "A" loop RCPS (R 7-11 & PEP-13). h. Beestablish equilibrium cociitions. S. This any tahs apr**-t=1y lo miairtes. Eate: i

6. Tara pressuriser besters off.

Computer printest [ l Opas pressuriser spray valve, BC-Y1, to fn11 opeo. shrald be zusrted when valve o;ening is initiated, thus, correlation betweendoes not coinside 7. Keactiseter and co=puter data can be made(if valve openingwith a da*.a line o has elapsed since last data line). i Contince to record data for ten (10) minutes or until the BC pressure 8. is reduced to 1900 PSIG. 5-e=*-STfsh BC System te marmal coniiticos as required for Aartbar t-

    • -E P.

Ca=plete Reactisster log sheets, mark co:guter printout with data and initials ami farvard, all da*.a. to Toku Ir. clear Serrica ('Dil Site). 10. 5/17hlr Df*.a.** .4 e i N i. .9 1 7 t 4 . n-.'; .Kr :. f f~ ---=r---.---..__ / ~"~"

,i . g,. < /. 1 i Eabcoc!: s Wilco.: e e.c, ;im P.O. Boa 1253.t>wr-tug Va.2 *!.*5 Te:eenore G:313S::l5111 Hay 30, 1974 24 2 Mr. J.C. Zarbeis xc D cc:.ps:;r Post Office Ber. LBo Middlet:nis. PA 17057 Subj ect: Em.xison For.ar Limit for RC Pu=p Startup

Dear Mr. Herbein,

Based on Cecnee I ' data, the r.aximum power level for starting a reestor coolant pu p can be changed fros 22I to 30% of* rated power withcmat any risk of reaching plant limits or setpoints. Tech. specs. would change, and caly a s2.ight revision to section 7 2.3.2 5 of the FfAR ver.ild be required. The ficzitility added to* pump operstion by raising the power limit could prcnre advantageou= at some later date. J I would be happy to discuss the,above with you and to update the plant setpoints document, should y' u decide to us.te this change. o . M truly ycnars, M J.D. Thinney Site Operations Manager JDP/MID/)szt ce: C.P. Miller R.G. JMeen ~ R.L..Fittasa E.J. ***orsta=,. Jr. K.E. Owen W.S. Del.icate Tre n.bc-4117 4 es Cp9s usy / t H *rJed !!KJ i s-m "3_. O N. o. 0.7,97$.3 6 f- . f... _. .. z.u, p+g 3__._ ,:, ' ' n,y,.,.

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s' ./ N N -] - c-= l Babcock &V!ilcox P.O. Boa 1:e0.tretect.7a.24s05 Telep ere:(7c3; 35* 5111 i i l July 17. 1Flk f:l l BCM i, i. H. J. C. b rbein l Metropolitan Liison Cc.. Tug Post Office Dax 480 Middictown PA 17057 Revision to Jr.acecraring BestrictionsJ. D. Phinney letter to J. C.'Earbein dated f

Subject:

Reference:

t (Stat 2k3) a Dear Mr. Barbela The above reference forwarded 3&aJ's Interia Operating Hamagement Re-j is a ce --meArticas for curtailiss N raneuvering rates.A. Encio.sedrevision j .I 6 I areas. o a Tory truly yours, i L. C. Rogers sita P ' 4 ' - = @ -s Ic/RAC/can i Encamsure i e acs G. F. Miller R. J. McConnell V. R. Cibcon Y L. Eladek i

f. css V. E. Dehele R. A. Govers V. J. Reyn.o:d I

J. P. O'Lnlon J. R. r:.oys R. J. Toole N? e f??':-O m iN p 1M l 'a ^ 4 1 "l f P m y ,,}_ '{ a.wQA,Q:...c c.:

. e-

.. ~.c..,).1 .. y .~. mmWm."__.?.CC%.:. ~ ,.A ';-"' a: ~. y.,_ ~ =

e ,s 7/15/76 g *gj N 1.u?!O it*:t.02:r**.* pree.g,7f,7;c s [ta ?DtII >*.E.I IS*.*.*D 1: m i 1. A cazi= = ;ove-1:<:rese rate of 3 Per cent of full ;over per 2xr.ar tetveen 0 c.:.123 ;ct cer.t fall ;over. ~ ~* 2. A r.a.ci..:= power it.crwse rate of 30 per cent of r.:11 pr.rer per bo=r a'c<.sve 20 per cce. e41.1 p:ever. e.- v.**. i A five't: r ;.over leval " hold" between $5 ar.d 73 per sent of full rover aus,. 3. betwees 55 ae. yo per cent of full power. ..; y. Or.ce a epilitries POVtr. level above 20 per cent fall power has been ad.icred, operation ietvees tint level ar.120 per cent full povar is subject only ta } Teclutical E;e=ifiestica limitations., I' 5. If a reductima in power occurs fro: an esilibri 1evel to belev 20 per cent full power and the elsg:ssa time between the reductius below 20 per cast es.-i the start of esem3ation above 20 per cost full power is: f a. I.ess than 10 hours, the rate of 3 per cent full pcver per hour zhesid M usel to regnia the 20 per cent f.ill power level; Technical Specif1.n.*** Ifrits only then t.ppir to oPeratica between 20 ;er cent full pov.r* e'. *. e pre-reductioA tNuilibrius Power level (as per sa:aber %. above). b. T ;.w., u.13 2.:r.t. a As.1 k0 laars, tie r*.ta c.? 3 ;:. ct.:t f.ill ;cvsr p should be used to receta the 20 per cent full ya.rer and if the ;:re-reduction equilikrlus pwer level is creater than 15 per cent r.ill F.:.: then cr.17 ene ff ye hour power level " hold" is ropired - sti 10 per ese.* below the p*e-reduction level - to regain that level. 6. For the ir:itial Jover apve2, escalation above 75 per cent full power, a anxiu.a sevor increase rate of 3 per cent full power per hour should be ud. g 9* i , l ,,Q

  • 0 w",.

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r t p e a 3 < =. .r e8 g V .s.._ s-8 . i. TiyTo?.03,~93.0t. "1 = _ -. - '-._."1..-..-=**"* [; -~ y . ap.-=

/* = _ _ _. _ _ _ _.. - ..g e-u-9 7., ? -3 ) i X, P:eer

  • mace.Groue Babcock & Wilcox P.O. Bos 1060. LyncSourC.Va. 24505 f

is.ercre: (7C311*a.5111 ~~ 1 I i September 10, 197b i i = I. f fir. J. C. Eerbeim Metropolitas Liison Company i j Post office Bez &80 Middletown. PA 17077 l Integrated control Systen Setpoints i Subj ects I

Dear 13.r. Eerbein:

Demand at To provide better e.argin between the B'IU L1=its and Teodwater bas re-evaluated the high operatir.g power levels, 3tN Control Analysis lculated jroblem. For increasing the suovable limit on the feedvater de:nna as ca Deca 4. Steen by the loop A and loop B analog circuits, the TeodveterGene d in the [ encioned Tigare. DP 1101 02 The revised setpoints may be incorpcrated in the system and i sha..1d he accordingly revised. e i g j vill include this revis on. 1101 02 The final versica of DP f 4 l Tory truly youra, 8j j -s / 4 cy i I r L. C. Rogers

  • Site Operations Engineer g

j f e - ,l i Lc3/sEucam f j I J. R. Albert j cc: C. C. Schieck J. D. Phinney R. J. McConnell i l i I { The &secoch & Welcoa Compmy / Estat$5hed IW h a s ~ N. O' 8. M _ e f ,f - h-h ,-- h.. h, h.3 i .. a...Qp. i

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s. N r. c - cos Babcock &Wilcox P.O.8,e 1263.* ynchburg.Va.2450$ Teleptere(e 138* 5t!! Harch 29, 1976 EtM-I-2kk Mr. J. C. Herbein Mar.at;ct, Generation Operations. nuclear Metropolitan Edison Cocpany Post Office Box kSO j Hiddletown, PA 1705T i' Mr. J. J. Colits Superintendent, Unit I Hetropolitan Edison Company Post Office Box 180 Middletown, PA 17057 l Mr. C. P. Miller Superintendent, Unit II l'.atropolitan Edison company l Post Office rox 480 Middletown, PA 1705T Plant Limits and Precautions Subj ects TNI-I Operating Procedure 1101-1, " Plant Limits and

References:

1. Precautions," Section 1.2 Pressuriser Limits and Precautions number 11 TMI-2 Draft Procedure 1101-1, " Plant Limits and 2. Precautions," Cectica 1.2, Pressuri:er Limits and Precaution smaaher 9 l 1 Centlemen: Raftrer.ces (1) and (2) contain a paragraph whia.h states that the pressuriser This spray valve sust not be cpened with nitroccu in the pressuriser. j limit was established at a time when nitregen was used to pressurize the Present operating RCS to a condition where the C!tD!4's could te operated. [ limits preclude CRIII ope ation with nitrocen in the pressurizer and provide i { for adequate venting of gas prict to operation. Since the prohibition against spray valve opening with nitro;;en in the pressurizer provides an unnecessary operational limitation during plant cooldown, plcase delete this paragrap*u from your respective procedures. t Il# b.WCC(k % Ylket CC:P;3ny 8 (*tatOSfWd ISd7 9 1 rjt. M j 4 / 7

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a s a 3/29/76 J. G. Ectbein/J. J. Coittz/C. P. N111er If you have any further questions, please do r.st hesitate to contact me. Very truly yours, L. C. Rogers Manager, site Services 5 ay: }..N.F.K& E. Flint l Resident Tn-inmer Y 9 i ec: G. A. Kunder M. Toolm E. J. Copp,la { R. A. Covers J. D. Phinney l L. R. Pletke SIP 05,06/53 i

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. ~.,. Post atfice Box k80 ^ ;- F.r .s . 2.,, d.. e.:.... Middletown, PA 17057 - .r.. - 7. _ ^ .,.;.".....' . T ",D.::.. c..~~ p ~ Mr. R. J. Toole .-~.-4 - -' i F-Test Superintendent, Unit 2 ' F,,.*./;.i:'; .;&., ~ GPU Service Corporation . f.' 9" N.. ,.... ' ; i.... g.. e, Post Office Box E80 P u_. . Middletown, FA. 1705T'. - s- .~....s._.?... ..~J.c/ N... -sa.p.s U.-- Sub, ject: Pressurizer Spray Ya1ve Operation

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. * * = .a );.~.Y. :. !.y - ~o 1 ; e y.., ;e.. Gentlemens. ..., ::',,. u ~ $i The control Analysis section of Babcoch la Wilcox has reviewed the differential # ** ~ 3 L.: ' temperature between the Pressurizer and the Reactor Coolant Syste:. to ensure l '- .// PJ that the spray actuation would not result in the design criteria be.ing exceeded,'.J.' - e

l for the Pressurizer Spray and Pressurizer Surge Lines. Based upon this review, Q* 'i.

E-- the current recenssendation iss . J ' l.r.v *. 3: *. k... v /,, 7 Do not actuate the. pressurizer spray valve during. - '. ; *',t,is *'y=

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plant heatup unless the AT between the' pressurizer. "/: "f and the RCS is less than or equal to 250 y, unless. + . f.; N.5 Q j** required for plant safety. ..../..,....' ~ s.- g g This new limit should be observed for pressuri:er spray valve operation and '*:;p" '* f.J' k: c should. be incorporated in Section 1.2 of DP 1101-01 for ':MI-1.. Bevise(. .""*~]' ~ i,J ~ .LP 1101-01. for 'DE-2 already includes this new limit.

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17057 I .-s.* 4 ..e - ,,.r ' r. 2 >. Y.r. L. L. Le ter .?, .k v M1 nager, Gar, rmtica Operationc Hetrc;olitrn p21sor. Ccapany i o 5 Post Off1ce Ne4 542 k I* It eading, 11. Me03 4. i G. ~ Mr. C. F. M*;!=r Static: !;u>-r :.'. cades: ' j,. Metropoli ae,se:Ics: C<s=;e=y Post 0 fic= 1 s. Lc0 Middicte,vn, 7/. 17057 i: af ~. . p:;

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.;r.! s a.4 Preautic,.u:, Da 1102-c; jja Centle=en:

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.3j 'Ihe fo11cv;r.,;. dere-tione r::.vald be e.sdu to r? 1101-01 Rev. CO drated 31 by - 4.* 19TT: .f,. g *. 1. os s,:e 15,usicr "Airr.ul operc loc" ites "E" chance 23 75 1:5 t.c. a b-i= 1. :2 .t i - j. l J s.z t i ' ire.*.1: u : ~.3.~, Inch c corres;c=de to 0-320 inch g p ena.ri:er *.evt. endia.M ica range. O incher. ecrrerponds 'j L:,, ;.-k. tuuh prc.a ar.:ve 1e.u1 1:li:cinn innge vhich ,f. is I;.= t ail-d ' t.t J0;'i'.. ') 2. On ; =.*e '31 ite: 2.. f-N. d el e t e. 1 Jur.t: r! vatic:: he: 1.t"-2 8 ;ro.idec neecasury CRDM ther:r.a.1 'j pote.;t'ict. and' a'.lav:: nere f;* ex,'Liiny for ORDI.! r.aintenance. e.- 1 5< .1 i. h= P ic.,6 4 w.a....<,...p. ,I r.r c.-s e D'G7 ) ~ y. - - - - - - -... --.._, _.... m _. m 7' .,c. g., . an.- 4 k*. h

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T/26/TT ..w .,.29 3. On pase 53 item 3.o 02 delete "a=.11.c-22.8" Ir. right.-hand 2 a coluza. .. 3: ~ b.. e f'

  • Justification: Figure deleted duri 6 nanual revision.

g., . cp. ' D.Q i.] ; On page 97 iten 8.o-07.k delete. 7 .. :.,9

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.J.*S 'Q.'i ; Justificatio=: Same as cumber 2 above n,. t v .. r,. ._,,:,5 '- ~~ <,u.'.Yf.h.,1 _- d. 5. or. page 105 ite= 8.5-02 tr. sert.12 psi in right-hand colu=n. .....u.y;.t.n. Justificatio=: Value c=itted d'u:ing dccument preparation.., ., e Please revise yo.: copies cf P 1101-01 to reflect these chances. l .dJ.i ' * }. '.,f, If you ime any fr-ther questi:ns'. please do not hesitate to contact me. s ..?.- ..'q ,. d Very truly yours, t ' W.0.* l;.D i. r~l b W '--P" .. 8\\ j- .. ?, *.' L. C. Rogers ..,.;..q $. Site Operations Masa6er [ .r ' i*... '? 14Ts/kT4/dmy $:?y t l 'c c - W. H. S;.a:.;0 v.- e L. R. Pist).r. -

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. PowerGeneratenGroup b@ P.O. Bos 1260. Lyneneurs.Va. 245C5 e i, Telephone:(804)384 5111 ,] June 21,1548 c N.. ; soM-u-161 W RIM-I.359

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~ ., 3 q. i kr. R. J. Tbole' 7 g, i 5 Test Superintendent ![' GPU Service Corporation p Poet Office Box k80 - v Middletown, PA 1705T.... - - E? .;v.. M. n; Mr. L. L. Lawyer. .~ ~ ' O Manager, Generatica Operations Metropolitan Idison Compaar tf. Post Office Boz Sk2' ~' ) Reading PA 19603 h,.I /* M = 1 Mr. G. P. Miller W h.,. Station Superintendent y, Metropolitan Edison Ccurpaqr . P. Post Office Eox k80 Middletown, PA 170$7 . s,i 7; 1 ~.

Subject:

Limits & Precautions and Setpoints - 1. DE Cooler Outlet 10 ,C ' ~. -.... y ' Temp Alarm.

2. Plant Cooldova (f-1 C.:

Centlemen: a.-

c. -

d i Section 3 (Page 19) Item 2 of Plant Setpoints lists a lov alarm of 180*F t e,. L. tD for the decay best injection' flow.. This alarm was intended to prevent the k'. ' decay heat cooling system from exceeding a 73*F AT between the P.eactor Coolant. 'f.' - Systen and the Decay Heat Systan's return to the Reactor Coolant System at the time the reactor coolant pumps were stopped. Since this limit is only g;l.- p required at one point in time (i.e... stopping the reactor coolast pu=Ps), the p alarn would beca=e' a " nuisance alarm." Therefore, it is recommendet that p;. J this alar = be deleted from the setpoint section and he nade an ad=inistrative limit in Limits & Precautions as follows: E,.. R: 1101 Plant Setpoints:.. M j ~ lr Section 3,Page 19,Line 2: Delete annunciator lov alarm of 180*F. 1 E. ' I':. 9-s P.s. .1 c; L. k. A ) r W.. l r. s The Babceck & W,1ces Company / Estabusrid 18G7 I" '

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[ G. P. Miller. 6/21/78 y ....n .~s S,= .~ u Limits & Precautions: .i 1101 - m-- N" .s 1 Section 3. Page 55: AC. Itaa 12 as follows: .a w ,' f.*. -0 The Decay Best System return temperature to the - ' :~ Reactor Coolant System should be limited to a. ,2 ~ - - W -.1 6 f anzimum of'75'F below the reactor coolant .5 temperature at the time that all reactor coolant k;- pasps are stopped. ' See Plant Technical Spec - 3

  • . ification Pigure 3.k-3.

E.. e ,W g In reference to subject (2). Section 1.3. Item 10 (Page 21) limite the AT between the " dry" OTS3 she2.1 and that loop Reactor Coolant, System y E.* temperature to 100*P. It is recommended that the wording be changed f to expani this lisit for all nonJnormal plant conditions rather' than c^ A just the " dry" OTSG condition. The definition of " normal" is two OISG's operational. Therefore, the following change to Limits and y Precautions is recommended p. ,e + Delete the " existing' wording and replace ~ 1 { Section 1.3, Page 21. Item 10: [ it with the following: ? .~. r .. ~ When cooling down the Reactor Coolant System 0 under other than nor=al conditions (normal. - . ~ S .3 two CTS 3's operating), the maximas allowable temperature difference between the average- '2 OTS3 shell and its associated reactor Fj ,j ecolant loop average temperature is 100*P.* f. v. . If you have any further questions, please do not hesitate to contact me. [ p-Yory truly yours, 4 ) ] ,s e .4 f.,Jr* .... j g ,,, s,.,

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~,i L. C. Rogers p gMs - i: 6C"qf*Q,.,',' q;.,s .? Site Operations Manager . V 2 y ~. LCR/mS/her ' .Q.y.\\ **$* f y ..j s, 1 ; cc: L. R. Pletke .. 'J. D. Phinner W. g. Spangler J. T. Janis [. 1 C. E. Vandling .G. A. Kunder y R. M. Elingamma GPU PR 5340 l J. G. Herbein W J. R. Legna [l J. L. Seelincer bec: D. G. Culberson (SIP #5,6/131 and SIP /210) U D< j J. P.,O'Esalon

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g - -. = 3,. ; g...., j' L. 1 e. Y O {, .h, ANN s. "n Babcock &Wilcox. t 4 i: j P.O. Box 1260. Lynchburg,Ya. 24!C5 { 9 Teic; bene:(804384-5111 W 1 [ .i . January 2, 1979 r f;.; ~a _ ; j...:. * - u. ,, ',E.. SCLI.I.*-210 p ,.. it g ../., *

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.u: 9 . g .1 L-y ~ ~ ~ n ~ Mr. L. L. Lawyer ~ .,.s, e-p. Manager, Generation Operations.*, ,~~ p Metropolitan Edison Compaar'.F - 5. Post Office bx Sk2 I ~ .a ?. Beading, PA 19603 w. Mr. G.'P. Miller ~. .f Station Superintendent 3 Metropolitan Edison Company r Post Office Box k80 Middletown,' PA 17057 j 4 Mr, J. 3. Iogan W Supcintendent, Unit 2 /. =

  • Metropolitan Edison Ccupany 3

1 Post Office Box 480 f Middletown, PA 17057 ) .- ~ '. p4 Mr. J. L. Seelinger ~ Supcintendent, Unit I h Metropolitan Edison Company Post Office bx 480 Middletevn, IA 17057 k 1 f6

Subject:

DP 1101-01, Limits is Precautions - Boric Acid Addition to h. Primary Systen y ).- Gentle sen: 4 During the refilling of a BfN operating plant's pri=ary system, a b-This procedure conbined with the boric acid concentration and an ambient " E. solution of 7 vt% boric acid was added followed by desineralized water. te=perature of approximately 70*P resulted in a se4 injection line i becc=ing plugged with beric acid crystals. The crystallization point y: l for 7 vt5 toric acid is about 95'F. 6 L' 1 sfb,g-1 3 .1 u:., pNJ t.. u .s O i W ~ ..4 m, n. .c s c. e "i The 8w & w'.le=a C.ampany / f.stabWed 1867 .j

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.~... g. ..m1,. m _. _ _. _. ~. _ _ v!>f .e _l; l O r ~... D. /. L. L. Lawyer ~ h.R C. P. Miller hi.'C,.. J. B. Logan J. L. Seelinger c 1/2/79 9.5 _:,:.; y 9-t': k. )::,s.: . g. 2 Pc ". p t Based on this incident, the following observations have4been made The fact that it did occur, during a ft11 $g operatfana clearly b.$.( {- at other times and at other plaats. 1. 7% shows that it could occur again under'similar cWes ' a. M1 ~ m g=, In our plants we have beweed our' designs and operaticxcs *zxn the $)N 2. ~ arrangement that any water drained fren the Reactdr "'ahe s'i E. r System for maintenance, sueh as refnaling, is pdpedi n:o -the 6 !;.. reactor coolant bleed holdup tank for te=porary starse;r and then h'!y transferred back to the Reactor Coolant System whec 2 is h. -;. refilled. In this way, it was expected that the nemiL to add g$;:.6 , i concentrated boric acid during a fill operation vouIdL be a c.::9 y very infrequent operation. g:.:;. Wd';. ~1 3. The manner in which the horic acid and de ineralizee. inster were R.jf, added does not violate any of our present operatinC E=structions. E'.,, In fact, if the additions tre made separately, ther bc:ric acid $:V must be added first to assure that the proper borie meia concen-Ef;9h tration is maintained in the coo.;la.nts...~. x..

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W'../zi p h. The horic ac3 could~ifeeliiissibly crystallize in tBe gaany p'.fC ~ seals and damage the seals. k.i.' D.- ..nf4 3 Our designs and operations are now primarily t sed. e a.le use y%. of $ vt$ boric acid which has a crystallization tes arsture E~7 of about 727 and which reduces the possibility of c=ystallisation 1:0-from occurring. h~. 6. The possibility of such an incident occurring while t3ae 2esctor N: Coolant System is pressurited with the makeup pumps cqperating 6: is considered more remote. The reason is that the enga=ity of sg.:.'.T the makeup pups is much lkrger than that of the bar."= acid 7 l addition psc:7s. Hence, it is not possible to operate le nakeup p* d pu=ps with only the horio acid addition pumps connec=aa to the,

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j r suction. Tho suction aust be open to the makeup taniic ad.ich. M.* J contains a large volume of water. - r F. C The situation where it could possibly occur with the Peactor

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l Coolant System pressurited and the makeup pu=p's opc is when the Reactor Coolant Cystes is cooled down for rim neling 5.- a and similar maintenance that requires large quantitf=s of borie ~ acid to be added in ceder to compen: ate fcr the cohtion fP of the coolant and to borate the coolant up to 13,CCC 3:ps horic s',0 ' -/. ' I . acid. If the letdown flow was stopped for some r== =-, it ir E.-f 7..n ka. r.

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=_-_w. y - _. _. _ ~.. (, v,. c. e '-5 y _ 9... .. O m. .L. I'~ .m 'e*. 1 .i -I q L. L. Lawyse g ,j G. P. Miller 1 p J. B. Logan + I J. L. Seelinstr 1/2/TP E ..i . -...:a 3 e , _ x .g F., 1', : G . :'..1 7. conceivable that the concentrated boric acid flow could run long eneush for the concentration in the makeup tank and

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' makeup lines 16' approach that in the concentrated boric acid C c. .9 storasetaak(Mst). r1 't As e, precauties to prevent this frcsa occurring at 'DC, make the t following addition to' Plant Limits and Precautions, Section k.3.2-05 2. (Page 74). a Boric acid additions to the'aeactor b1--e system 1 shall not eMeeed a concentratios of 5.vti. However, [ higher cone,Atrations may be used if it,is first.. p a diluted with unborated water or if askeup flow has been established to provide dilution prior to' entering- . l the nakeup or seal injection lines. i If you have any further questions,, please do not hesitate to contact me. f ( Y trul s, r g" w i. 1 L. C. Rogers L ,j Site Operations Mana6er p j Len/ ins /bar [ ,s L cc: L. R. Pleth V. I. Spangler G. K. Vandling [

a. c. Phinner * -

q J. T. Janis = E..G. Schsedel J. G. Herb ia 3 R. M. r1 e n,amaa V. E. Potts

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