Text

Monthly Operating Rept for Jul 1979
	ML19207A490
Person / Time
Site:	Pilgrim
Issue date:	08/09/1979
From:	Gaffney C; BOSTON EDISON CO.
To:	;
Shared Package
ML19207A489	List: ML19207A488; ML19207A490;
References
	79-161, NUDOCS 7908200233
	Download: ML19207A490 (6)
	v • d • e

t e .

OPEllAllNG DATA 1;l:1 Ol;T .

DOC:'IT t.'O. _50 293 DA1E 0/-[79._

9 COMPl.EJ ED !sY C.M.Caffney TEl.11 IlONr 617-746-7900 O!'l RYl!NG C.T i'll3 P il grit,. 1 Notes

1. Unit tu, me-

2. Repoi:iig Pt riint- J"IV, l979 _

3.1.icensed l lw ux.! Pm.tr (MWt )- I998*

1. Namept u e I:a:ing, a % ot, M','ic)-

678*

S. De im. Eb tric.d 1;:t;.1::(Nct MWe): 655.

6. M .w i m u m 11. p.c u d. le Cap uty (Gro s MWe): ..

690*

7. Maxitamn D. ; .nl.'d.' Capacit y (V t MW'e). 670.

S. If Ch..ngs Occer in Capacity Rations (Irems Numhr 3 Throer.h 7) Since !.ast !!crort. Give Reasons:

NONF.

9. Pmwr Level To Wh% Retrie:a!,if Any (Net MWe).NONE

10. I'raums For I:n:::ct.ons. If Any- N/A-This Month Yr.-to Date C o m u!.n h .'

11. Ilour< la Repo: ting i,inad 744.0 5087.0 58223.0

12. Nma!,cr Of !!ours Riactor Was Critic.il _4.R7 4?2_ E 6 4133L 1 0.0 0.0 0.0 13.1:cactor Rewne shuidowa llours

11. Itours Generat a On.I.ine 465.2 4220.5 399411

15. Unit Reserve Sherdown lir,urs 0.0 00 1 Om0.__

16. Gross Thernn! Ecot y Ginei.,ted (MWH) 821184.0 813_9.254. 0 .665 B l.06 /u0

17. Gross Ilectrical Ener; y Generated (MWil) ') 7 0 l '> n _ n _ . . _ . 2 794 5 50_.f .2192502/n o ._

18. Net Electrical Ener :y Generated f MWII) 268216.0 2688603.0 21050167.0

19. Unit Senice l' actor 62.5 83.0 68.6

20. Unit Av::iiability f actor 62.5 83.0 68.6

21. Unit Capacity factor (thing MDC Net) 53.B_ 78.9 54.J)

22. Unit Capacity Encter (th.in,q I)ER Net) 55.0 _

80.7 55.2

23. Ui.i; FoiccJ Outace Rate 0.0 ILS 10.8

24. Shurdm.ns '.chedi.leil Over Nest 6 Months (Type. Date, and Ducatha of Each t:

NONE

25. If Shnt D.re.n At End Of Reimrt Period. Estime.ted D.de of St.utop: UNIT OPERATING 2t>. Units in Tc:.t St.uus (Poor to Connuercial Operation s: , Forceast Achiesed INIT IA!. 01:1T:CA1.1TY INil l A l. f.l.!X.1 RICI TY _

CO'.lMI:ltCI A L Ol' fit A T:ON r;. -

f-) . -

G ?. .m.ni p/71 4

7 90p0023 '

AVEl:AGL I).sil.Y UNI 1 ohEl LEVEL DOCl:ET NO. 50-293 g, s'! T PILCRIM I DATE COMPLET ED 11Y *"" " '"

TELEPif 0NE 6!7-746-7900

,y o,;3 i j JULY, 1979 DAY AVER.\G E D ^.!!." POWE!! 1.EVEL DAY AVEI: ACE D \lLY PO%Eli LEVEL (Mh -Net) gsp., c.g g I 664 1, 12-2 665. 459.

I b.

3 664.

39 _

605.

4 665. 598.

20 S I' f> 2 . 213.

I 6 662. ,,.. 433.

7 658. 603.

'3 -

~

8 57.

,4 589.

9 240. 624.

10 558. 662. -'

3 11 206. 28.

g 12 0. C' 28 j

13 0. 0.

29 14 0. 108.

30 15 O. 541.

3 _

16 0.

INSIT!UCTIONS On tha fermat. int the ne s da:h um: p.mer lese! in \lwe. Net for es:h day in the reportin: month. Compu'e to the nearest wncle m: ; rsait.

l4 877 )

1 , , ,

e e

t'c ::z '

\ >

, ^y .

UNIT S!!UTDOWNS AND l'OWER REDUCTICNS DCCL'FT NO. 50-293 U? II N.J:; PILGRIM I

- n a,7; 8/9/ B CC"I't.E T Ei: :;Y C.M. c.Ar t:,EY R EEC.'!T ?.:ONTri JULY. 1979 ;I . I l';.< ,e 617-746-7900 Tn3e E F -. ei E *t

_. E IICC"5CC E'u C m e w, ( cirettr.c N. .. Ibte '5,

. ::-E '._c :E

-u4 o o n

, 2x Ivent :y S. ? ^'""'"

l g =a .

Rc;m:t : 20 N0 50 e 35=a d

I,rae:a i;cturrcr,e c

6 7/8/79 F 28.2 B _ 79-2/3L-0 CD VALVEX LEAK IN HYDRAULIC SYSTEM ON MSIV.

LEAK REPAIRED.

7 7/10/79' S 0.0 B 4 MAIN CONDENSER BACKWASH 8 7/11/79 F 15 3.6 B 2 79-21/1T-0 R3 PIPEXX LEAK IN CRL PITURN LINE WELD.

9 7/21/79 F 11.5 H 3 REACTOR SCRA'O'ED LCSS OF VACUUM DURING CCNDENSER E ACD' ASH.

10 7/27/79 F 85.5 B 3 79-27/1T-0 CD VALVEX REACTOR SCRA'O'ED FROM LOSS OF OFF-SITE POWER. MS RELIEF VALVE CYCLED AUTOMATICALLY, VALVES WERE FIPLACED.

r*j I

.5 3 2 -

3 4 F: F.u s ed Re.non :

' S. S !ncdufeil M e t h od . C drbit G Instinctiens A.E luipinent F.:iture (Exp!.iin) ! .'.f a n ail t'rISep.<:a.'n a o: D.c a T- !! .',1.::ntenanse of Test N.N u il Scram i - o Sn. :s te t :.emce

!j C Refe. ;ng .i- A i:o n aine St r.nn. . * .c : i!iRii: .- ( Nt ! R EG-

1) !{c;i !.: tory Restriction 4 0:h.ri:a;lun) <- :i

! O ier.itor Tr.inung ? 1.icense Ew:'ina: ion s -

I-AJunne.tratr.. 5 G U; c r.st:o:ial !.i ror ( E x;,l.i:n ) i s! .b. 1 - S.nne Saa ce (9/77) iI Ot!ier (thplaa.)

PILGRIM NUCLEAR FCNER STATION Men t'n JULY' 1979

_ MAJOR SAFETY V' ATED i!':TT' .;5CE TSTE'? CC:OCNENT MALFUNCTION CAUSE l MAINTENA::CE CC EECTI'JE ACTICN l -, <SSe" .,.--,

~ > .,.,.,----..--_,.<-. - - -

29 Check Valve Leaks errosica of Renew seat 5 disc Disc ruterial changed frco niresis t to S.S.

seat 6 disc .

29 Service water Excessive vibration Worn bearing:- Renew bearings &

pump N/A pump bowl.

3 Piping Weld Leak l Crack Renew section of N/A piping.

f 10 Pipe Support Design Deficiency Engineering Modified support N/A Desigri i

f 23 ' Pipe Support Design Deficiency Engineer /ng Modified, support N/A Desigt.

10 MOV-1001-36B Key on valve shaft Replaced key and reset limits Sheared t ,

a 1 "D" Relief V1v. Pilot Leakage Dirt crud Installed new Procure new top vorks q - B' Line valves rebuild *

(

1 *

"A" Relief V1v. Pilot Leakage dirt crud sp::rer - rebuild

' l

'A' Line Procure new top works

: . 4 l

l I

13 RCIC testable Leaking packing Furnanited gland check valve Repack during future outage.

. 6

REFUEhl!!G II:r0H!!ATIO!!

The following refueling information is included in the Hont hly Report as requested in a letter to !!r. G. C. Andonnini datid January 18, 1978.

For your convenience, the inforraation supplied h.u been enumerated so t hat each number corresponds to equivalent notation utilized in the request.

1. The name of thic facility is pilgrim !!uclear Power Station, Docket !!o . 50-293.

2. Scheduled date for next Refueling Shutdeun: January 1980.

3. Scheduled date for restart follc, wing refuel ing: April 1980.

4.

5. Due to their ninflarity, r equ e s t 4, 5 6 6 are responded to collectively.

6. The fuel, which is presently expected to he loaded during the next scheduled shutdown, nay he reloaded fuel of a new design and may t herefore require a proposed license submittal and technical <.pecification change. It D not possible, however, to t.uppl: pertinent information on dates. As inf or:n t ion concerning fuel denign, core confip,uration, Op e ra t. i o n a l heview Cox.ittee deteroinations, proposed licensing action, and technical specification submittals become available, it will he forwarded to you.

7. (a) There are 580 fuel assemblies in the core.

(h) There are 580 fuel assemblics in the spent fuel pool.

8. (a) The station is presently licem ed to store 2320 spent fuel assemblies.

The actual spent fur 1 storage capacity is 1170 fuel assemblies and new high density fuel st orage racks are in the process of being installed.

(h) The planned spent fuel storage capacity is 2320 fuel assemblies.

9. With present spent fuel in storage, the spent fuel pool now has the capacit.y to acconmodate an additional 580 fuel assemblics (one core).

'1 i

. *.r U O

BOST0*/ EDIS0!! C0!!PA!1Y PI1,GUit! NITCI EAR POWI:n STATIO1; ,

Sunmary of Opera _tions for Ju1L 1979 Unit operated at 100% power unt il Juiy 8 when power was reduced for a condenser backwaeb. Uhile the unit van at re6'oced power tining of the 11SIV's was con-ducted and "D" tiSIV failed to meet an acceptahic time as per Technical Spec i f i ca t ionn . A decision wan made to take the unit off the line, de-inert the drywel1 and rejair the !;SlV. The iepair tutned out to be a leaking bvdraulic i'ne. a The unit van returned to nervice at 0915 on July 9 and w :ile pour wiu, being increa:;ed, 1-3 water box fouled and a leak was discovered in the CRD reiurn line. A decinion van nade on July 11 to renove tie unit Iron nervice and repair the CR0 return line. The unit van renoved f r on seuj re at 1132 1.rn, on .luly 11 and repairr were initiated. The repair: were cospleted and the t.n f t- was returned to nervice at 2110 on July 17. The 1-3 water box remained fouled and a reduct ion was set. to clean the water boxen and the intake piping. During the reduction a nerar. wts experienced f r:m low vacuum at 1313 on .luly 21. The unit was returned to service at 0035 on July 22.

1-3 ua ter lax van s t ill f ouled so the condenser was again bacLwashed on July

24. An eni W od bac1 wash had to be conducted again on July 25, due to ex-cessive feuling of 1-3 wa re . box. A reactor scran was experitoced at 0101 on July 27 dee in Int.S of ff-tit. power caused by a lightning strike. "A" and "D" Relief Valve m1ftactienee and had o be rep]Leed. The unit was brought back on line or 142* <: My 30 and ob t ained 100% eut put at. 2230 hourt on July 31.

~I P M (

^" P, ,

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ML19207A490

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