ML19225A167

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Monthly Operating Rept for June 1979
ML19225A167
Person / Time
Site: Rancho Seco
Issue date: 06/30/1979
From: Colombo R
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19225A166 List:
References
MOR-790630, NUDOCS 7907180508
Download: ML19225A167 (5)


Text

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AVEhAGE DAILY UNIT T0hlR LEVEL DOCKET NO.

50-312 Rancho Seco Unit 1 g.lT DATE 79-06-30 COMPLETED BY -

coln-kn TELEP110NE (916) 452-3211 MONT!!

J ine 1979 DAY AVER AGE D \\lLY P0hER LEVEL DAY AVERAGE DAILY P0bER LEVEL (MWe Net)

(MWe Net) 1 0

37 0

0 2

gg o

3 0

19 0

4 0

20 0

5 0

21 0

6 0

22 0

0 7

23 0

0 g

2-1 0

9 0

25 0

10 0

26 0

0 11 27

'O 12 0

2S 0

0' 0

13 39 14 0

30 0

15 0

3; 16 0

INSTRUCTIONS Oa this fer:nat,hst the asco;e J:ih unit p m er I:.ef in Mv/c Net for och day m the reportm' month. Compute to the neare.t whe:: n:-:put:

c (9/77 )

~

7907180 EOk /(

OPERATING DAh'A REPORT DOCKET NO.

50-312 DATE 7 9-(M-3f)

COSIPLETED ItY - R.

b' Colombo TELEPilONE (910) ~a2-3211 OPERAllNG ST \\Tl'S No'es USNRC Order

1. Unit Name:

Rancho Soco I. i t 1 n

Mo. 7590-01 rescinded June 1979

2. Reporting Penod:

27, 1979

3. Licen ed T hennal Power IMh t p:

0 63

4. Nameplate Ratin tGrms \\lhel:

918

5. Design Licctrical R : ting (Net MWe):

917

6. Maximum Depeadabic Cap.icity (Grow 51We):
7. htaximum Dependable Capacity INet MWe):

873

8. If Changes Occu in Capacity Ratines IItems Number 3 Through 7) Since Last Report. Gise Reasons:

USNRC Order No. 7590-01 rescinded June 27, 1979

9. Power Lesel To hhich Restricted. If Any (Net MWe):

0 (until 6-27-79)

10. Reasons for Restrictions. lf Any:

USNRC Order No. 7590-01 This Month Yr to-Date Cumulatis e 720 4,343 36,840

11. Ilours In Rerortmg Pen. d o

2.4 2,797.5 21.868.3

12. Numter Of flours Reactor was Critical

.6

13. Reactor Resene Shutdown liours 1,319.2 3,936.6
14. Ilour> Gencrator On-L iae 0

2,703.7 20,866.9

15. Unit I!cscne Shutdown 11 urs 720 1.185.5 1,196.4
16. Gross Therma! Ener;y Generated IMFil, 0

7.415.643

_.5 2J 8 9. P ', o

17. Gross Electrical Eneigy Generated iMhlil O

2.451.321 _

17.714.!21

18. Net Flectric.:! E::ersy Generated (MWil) 0 2,329,628 16,728,518
19. Unit Senice f actor 0

62.2 56.6

20. Ui.it.\\sailabi!it3 raetor 100.00 89.5 59.9
21. Unit Ca;ucity Factor (Using MDC Net) 0 61.4 52.0
22. Unit Cap city Factor iUsing DEit Net) 0 58.5 49.5
23. Unit forced Oauge Rate 0

3.4 35.4

24. Shutdowns Schedoled Oser Lxt 6 Months tT> re. Date,and Duration of Each):

None

25. If Shut Down \\t En.1 Of Report Period. Estimated Date of Startup:

Julv 5.

1979

26. Units in Test Status tPrior to Com.aercial O.eration):

Forecast AchieseJ i

INin\\L CRlllC \\LITY N/A sN/A h

INITI \\L FLECll lCITY N/A N/A COMMERCI \\l. Ol'1 R \\110N N/A N/A P1/77)

s UNIT S!!UTDOWNS AND POWER REDUCI!ONS DOCKET NO

"-l

'WE F M'o ho I"it 1 DATE 79-06-30 COMPLETEl> llY R-k'. Co1nrho REPORT MONTil June TELEPIIONE 916-452-3211 5g 3

) E' h E -r, he Cause & Correctise

.censee o

No.

Date g

g j

~,g i $

F,'

37 n-3 Action to H

fE 5

jg

,. r t :r mV

}U Prevent Recurrence Q

7 79-06-01 S

648 D

1 N/A N/A N/A USNRC Order No. 7590-01 issued May 8, 1979 7

79-06-28 S

72 F

1 N/A N/A N/A Prerequisite testing of AFW and plant heatup in preparation for startup i

2 3

4 F: Forced Reason:

Method:

Exhibit G - Instructions S: Schedu!cd A-lipiipment Failure (Explain) 1 Manual for Preparation of Data B Maintenance or Test 2-Man ual Scram.

En'ry Sheets for 1.icensee g

C-Refueling 3-Automatic Scram.

Event Report (LER) File (NUREG-G D Regulatory Restriction 4-Other (Explain) 0161) d

12. Operator Training & Liecnse Examination O

v.Au mimst rai ne s

G. Operational Error (Explain)

Exhibit !- Same Source (9/77) g@

Il-Other (Explain)

/

.p-NARRATIVE SUSC1ARY O' PLANT OrERATIONS DATE 6-1 Reactor in told shutdown, continued with plant rodifications specified in USNRC Order No. 7590-01.

6-15 Cocpleted STP-828.

Testing of Reactor Trip from Generator / Turbine Trips and/or Loss of Main Feedwater 6-20 Completed S7P-613, Auxiliary Feedwater Flow Indicator Permanent Installation Functional Test 6-27 USNRC Order No. 7590-01 Rescinded.

6-28 (1050)

Started two (2) Reactor Coolant pumps in preparation for RCS Ileatup 6-30 Completed SP 207.020, RCS Inservice !!ydro Test; test satisfactory.

(1524)

All control rods at 100% withdrawn.

(1531)

Commenced deboration to take reactor crit:c al.

(2137)

Reactor Critical (2228)

Reactu: at 2% power.

(2328)

Reactor at 10% power.

PFRSONNEL CIIANCES REQUIRING REPORTING No personnel changes that require reporting in accordance with Technical Specifications Figure 6.9-2 were made ir June, 1979.

MAJOR ITEMS OF SAFETY-RELATED 3L\\INTENANCE 1.

Replaced bearings and cleaned motor on Nuclear Raw Water Pump P-472B.

2.

Installed and tested ultrasonic flowneter system on eaca auxiliary feedwater line.

3.

Rebuilt relief valve (PSV-48701) on Lube Oil Cooler for the A Decay Eleat Pump.

4.

Disconnected and blev doun air lines to all air-operated isolation valves to assure no water in the lines following instrument air dryer repair work.

(~$$'

SUT!ARY Or' Cl!ANGES StADE IN ACCORDANCE 'ilTii 10 CFR 50.59 (b)

&s 1.

Addition of a control grade trip of the Reactor ca loss of main feedwater and/or Turbine Generator Trip.

2.

Additic. of a key switch and annunciation in the control r oc. f or bypasr.ine the control grade reactor trip on loss of feedwater.

}1TUELI:;C 1: 70PSiT10 ; REQUE',T Rancho Seco Unit 1 1.

1: ace of racility:

2.

Schedu:cd date for next refueling shutdown:

April 1980 Jun 1980 3.

Echeduled date fo.' restart follcuing refueling:

4; Technical Specification change or other license anendaent required:

a) Change to nod indcy. vs. Power Level Curve (TS 3.5. 2) b) Change to Core I balance vs. Pouer Level Curve (TS 3.5.2)

'c) Tilt Linit., (TS 3'.5.2) d) Safety Equipaent Testing (TS 3.3.3)

Februarv 1980 5.

Scheduica date(s) for submit tina proposed licensing action:

None licensing considerations associated with refueling:

6.

It,po rt en t 7.

Utmber of fuel assemblies:

a) In the core:

177 122 b) In the Spent Fuel Fool:

S.

Present licensed spent'f uel capacity:

570 9.

frojected date of the last refueling that can be discharged 2987 to the Spent Fuel Pool:

r 0

9