ML19253B601

Monthly Operating Rept for Sept 1979

ML19253B601
Person / Time
Site:	Pilgrim
Issue date:	10/04/1979
From:	Gaffney C BOSTON EDISON CO.
To:
Shared Package
ML19253B599	List: ML19253B598 ML19253B601
References
NUDOCS 7910160463
Download: ML19253B601 (6)

Text

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OPERATING DATA REPollT DOCKET NO.

50-293 DATE 10/4/79 COMPI.ETED IsY t' X cn f fn ey TEl.EPflONE 617-746-7900 OPER AT:NG c.TATUS Ah PILGRIM l' Noa 3

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f. Unit Name:

SEPTEMBER, 1979

2. Repo-*in Period:

3. Lir :nxd Thermal Power IMWt):

s%

N0 *

4. Nameplate Rating (Gross MWe):

Q

5. Design Electrical Ra:ing (Net MWe):

9 ovu.

6. Sf aximum Dependabic C.cacity (Gross MWe):

670.

7. Maxiraum Dependable Caracity (Net Mh'c):

8. If Changes Occurin Capacity Ratings (Items Number 3 Through 7)Since Last Report.Give Reasons:

None None

9. Power Level To hhich Restr:cted.If Any (Net MWe):

10. Reasons For Res:rictions. If Any:

N/A This Month Yr.-to' Date Cumulatis e 720.0 6551.0 59687.0 II. Hours in Reporting Period 720.0 5741.3

_42789.0

12. Number Of !Iours Reactor Was Critical 0.0 0.0 0.0 l'

Reactor Reserve Shutdown !Murs

14. Hours Generator On-Line 720.0 5645.7 41368.3 0.0 0.0 0.0

15. thit Reserve Shutdown linurs 1148664.0 10582536.0 69024336.0

16. Gross Thermal Ener;y Generated (MWH) 392730.0 3631330.0 22761804.0

17. Gross Electrical Energy Generated (MWil) 3494890.0 21856454.0 37 201.0 IS. Net Electrical Energy Generated (MWH) 100.0 86.2 69.3

19. Unit Service Factor 100.0 86.2 69.3

20. Unit Availability Factor 78.6 79.b 54.7

21. Unit Capacity Factor (U3in; MDC Net) 80.4 81.4 55.9

22. Unit Capacity Factor (thin DER Net) 0.0 13.3 11.1

23. Unit Forced Outage Rate

24. Shutdowns Schedt.!et! Over Next 6 Months (Type. Date, and Duration of E.tchi:

NONE U:'IT OPERATING

25. If Shur Do..n A Enti Of :leport Period. Estim.. red Date of Startup:

2ts. Units in Tc: Status (Poor to Comn:ercial Operationi:

Forceast Ac hies ed INIT I A!. CRIT:CA LITY INITI Al. F.LECTRICITY COM.',ltitCI A L OPER A T:0N 1154 295 Pi/T7) 7010160Y h

AVERAGE DAILY UNIT POWER LEVEL l

i I

DOCVET NO.

50-293 UNIT Pilgrim I i

DATE COMPLET1:D BY C.M.Gaffney TELEPl!ONE 617-746-7900

~

i MONT11 SEPTEMBER, 1979 DAY AVERAGE D..!L VER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe Net s I

529.

532.

g; 2

530.

is 532.

3 529.

531.

9 528.

532.

4

~

529.

3 529.

~l 530.

533.

6 22 530.

7 532.

'~3 530.

533.

g

'24 9

533.

531.

25 534.

531.

4 10

'6 529.

530.

11 529.

12 530.

28 528.

487.

13 29 529.

14 528.

30 471-15 31 N/A ^

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i6 524.

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INSTRUCTIONS D

" '=='2"O:.y"""""~"< ~ ~ v-w. >~~,- ~ e. c...

....m 1151 296

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September j

t'ItJO? SI FE" Y FLLI.TEC TIIN~rr.WCE I

Corrective lietica

'.c z e, n -

8

• "alfunction Cause l'a in t e n a nc e to- - -Prevent / Recurrence Lt.;

l Cc. c_o n e n t i

_- _ ---..-_.s_ _.-_

seal leak f

wear replace seals N/A N/A

,! Accumulator 11C0 -

l Relief valve 1

l. S/N 116 leaking pilot normal wear rebuilt and tested N/A_

N/A e

1 l Relief 'laive lleakingpilot normal wear rebuilt and tested N/A I

N/A y

l S/N 133 l

1 l Relief Valve None-borrowed from l S/N 4 Millstone N/A rebuilt and tested N/A N/A

~

- ~ ~ ~ ~

lReliefValve None-borrowed from 1

[ S/N 9 Millstone N/A rebuilt and tested N/A N/A IIPCI Gland Seal blown gasket N/A replaced gasket N/A l

N/A Exhauster I

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L-M

• N8 h

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- I C

l r --

-p 1--

v O~

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L-N 4-_

b

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i 50-293 UNITSIIUTDOWNS AND POWER REDUCTIONS DOCI'ET NO.

UNil N A..lE Pilgrim 1 D.UE 10/4/79 REPO*tT MONTil SEPTEMBER, 1979 COMi't.ET El: 1Y C.M.Gaffney ET7-746-7900 71:1.! l'i!;..NE 4 en 3 5

=

ri

.2 _e E

, E

l. s.eensee g t,,

g4 Cause A Currective

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DJte i

5?

4 2s5 Eveni e.8 Aui.in i.i

$5 5

j,5 g Report #

<E U j'

Preseni Itecusscoce H

6 14 08/28/79 F

0.0 B

3 79-33/1X-0 CZ ZZZZZZ During recovery from loss of offsite power event, B condensate pump failed Repairs to pump and motor continue.

d)

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l 2

3 4

F: Foss ed Itcason:

Metimd:

Exliibit G Insieuctions L P.

S. S licJuled A.lhluipment Failure (Explair 141 annal for Pseparation of Data f

.;=.

!!..\\taintenance of Test 24tannat Scram.

1.nt > Slieets for Iisensee C-Itefuttmg 3.Antoniatic Scrani.

then 1:cpois at tilt)1:ile INilRI:G-N 1)-!(cgulatory Restriction 4 Otlier (lixplain) 0161) g l' Oper:stor Training & Iitense Exa nination m

F AJnunistsaista 5

G Operational 1.iens lExpl.iin)

Exhitui 1 Same Sousee (9/77) 11 Other (li nplaire) 2-

REFUELING INFORMATION The following refueling information is included in the Monthly Report as requested in aletter to Mr. G. C. Andognini dated January 18, 1978:

For your convenience, the information supplied has been enumerated so that each number corresponds to equivalent notation utilized in the request.

1.

The name of this facility is Pilgrim Nuclear Power Station, Docket No. 50-293.

2.

Scheduled date for next Refueling Shutdown: January 1980.

3.

Scheduled date for restart folleving refueling: April 1980.

4 5.

Due to their similarity, requests 4, 5 & 6 are responded to collectively.

6.

The fuel, which is presently expected to be loaded during the next scheduled shutdown, may be reloaded fuel of a new design and may therefore require a proposed license submittal and technical specification change.

It is not possible, however, to supply pertinent I'.,rmation on dates.

As information concerning fuel design, core configur stion, Operational Review Committee determinations, proposed licensing actior_ and technical specification submittals become available, it will be forwarded to you.

7.

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

(b) There are 580 fuel assemblies in the spent fuel pool.

8.

(a) The station is presently licensed to store 2320 spent fuel assemblies.

The actual spent fuel storage capacity is 1770 fuel assemblies and new high density fuel storage racks are in the process of being installed.

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

9.

With present spent fuel in storage, the spent fuel pool now has the capacity to accommodate an additional 1190 fuel assemblies.

1i54 299

BOSTON EDISON COMPANY PILGRIM NUCLEAR PO'RR STATION Summary of Operations for September, 1979 Unit maintained 80% power, 140 Mwe reduction for the month, due to "B" Condensate pump being inoperable.

Reduced power to 50% for about eight hours for two condenser backwashes.

The outboard seal was replaced on "B" Reactor Feed Pump.

The capacity factor for the month of September was 78.6%.

Il54 500