ML20148J723
| ML20148J723 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 10/31/1978 |
| From: | Colombo R SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | |
| Shared Package | |
| ML20148J717 | List: |
| References | |
| NUDOCS 7811160078 | |
| Download: ML20148J723 (7) | |
Text
m AVERAGE D AILY UNIT POWER LEVEL 9
DOCKET NO, 50 '112 UNIT Rancho Seco Unit 1 DATE 78-10-31 COMPLETED BY R. W. Colombo TELEP}{0NE (916) 452-3211 MONTl!
October DAY AVER AGE DAILY POWER LEVEL DAY AVER AGE DAILY POWER LEVEL (MWe Net) pgwe. Net; I
886 17 888 2
886 18 888 3
884 19 892 4
886 20 892 5
883 21 895 6
895 22 894 7
892 7.3 891 8
891 N
697 9
892 25 758 10 890 26 889 11 887 27 890 12 884 28 892 884 13 895 29 14 886 30 897 348 15 3
897 16 891 2PH N ap7f INSTRUCTIONS On this format li.st the aserage daily unit power lesel m MWe Net for each da3 in the reponing month. Compute to the nearer whole nwgawatt, (9/77) nc~w*we>~emmmm nmm,pme-w.cmmm-,cux-nn. mng-n.,m.mna
m
.g
.~
DOCKET NO.
50-31?
UNITSHUTDOWNS AND POWER REDUCTIONS s
UNIT NAME. Ranche - Seco Unit.1,
- DATE 78-10-31
-+
COMPLETED BY R. W. {.olombo F-REPORT MONTH October TELEPl!ONE (916) 452-3211-e
~
.! ? '
3.
kY Licensee 5%
~ Cause & Currec:rve Noc Date g
3g g.
J g5 Event ug
!q Action t'o -
$E c2 3 dj y Report
- NO O
Prevent Recudence e
v yo
- 19 7-781015 S
3.3 B
1 NA CB MOTORX Shutdown to-facilitate adding oil to RCP'"C" motor upper. bearing. Seals in this area will be replaced.during refueling-shutdown.-
r 20 7,81024 F
NA A
1 78-016/0lT-0 EE INSTRU.
- Started power reduction-in preparatiori for unit shutdown due to los_s o,f.both diesel ~ generators.--_ Regained use of
~
diesel _. generator prior to' completiing -
shutdown. ' Terminated shutdown'and increased power.
I
- 1 i-i 1
2 3
14 F: Forced Reason:
Method:
Exhibit C. Instructions 1
S: Scheduled A-Equipment Failure (Explain)
- 1. Manual for Preparation of Data n Maintenance of Test 2-Manual Scrarn.
Entry Sheets for Licensee C-Refueling -
LAutomatic Scram.
' Event Report (LER) File (NUREG-D-Regulatory Restriction 4 'ther (Explain) 0161)
E-Operator Training & License Examination F-Adruinistrative 5'
l' G Operational Error (Explain)
Exhibit I - Same Source -
(9/77)
Il-Ot her ( Explain) 4 k'
i 3
2
- ~=,'
o
= -
._____-_.=.:_---___.-____._-.,._....-.z.__
OPERATING DATA REPORT DOCKET NO. 50-312 DATE _78-10-31 COMPLETED BY R. W. Colombo TELEPHONE _(916) 452-3211 j
OPERATING STATUS N '"
- 1. Unit Name:
Rancho Seco Unit 1
- 2. Reporting Period: -_0ctober 1978
- 3. Licenxd Thermal Pow ~ (.\\lWt n 2772
- 4. N2meplate Ratin;IGross SIWet 963
- 5. Design Electrical R; ting (Net 3fweg 918
- 6. Sluimum Dependable Capacity (Gross.\\lwe):
917
- 7. Maimum Dependable Capacity (Net.slWe):
873
- 8. If Changes Occur in Capacity Ratings (Irems Number 3 Throu;h 7) Since Last Report.Gise Reasons:
N/A
- 9. Power Lese! To Which Restr:eted. If Any (Net NIWe):
NONE
- 10. Reasons Fer Restrictions. If Any:
N/A This 51onth Yr. to Date Cumulative
- 11. Hours in Reporting Period 745 7,296 31,033
- 12. Number Of Hours Reactor Was Critical 745 6.664.7 18,440.9
- 13. Reactor Resene Shutdown Hours 0
0 2,417.4
- 14. Hours Geaerator on.l.ine 741.7 6.466.3 17.579.8
- 15. Unit Reerve Shutdown Hours 0
0 10.8
- 16. Gross Thermal Energy Genaated (SIWH) 2.003.620 14.463.819 43,601,542
- 17. Gross Electrical Energy Generated tS!WH) 667,066 4,809,201 14,748,451
- 18. Net Electrical Energy Generated t.\\lWH) 634.446
' 508.010 13.919.219
- 19. Unit Senice Factor 99.6 88.6 56.6
- 20. Unit Asailability factor 99.6 88.6 56.7
- 21. Unit Capacity Factor iUsing SIDC Net) 97.5 70.8 51.4
- 22. Unit Capacity Factor ILi:ng DER Net) 92.8 67.3 48.9
- 23. Unit Forced Outap Rate 0
9.2 39,2
- 24. Shutdowns Scheduled Our Nest b.\\lonths (T)pe. Date,an 1 Duration of Eacht Refueling shutdown November 15, 1978, approximately 38 days.
- 25. If Shut Down \\t End Of Report Period. Estimated Date of Startup:.- / A N
- 26. Uniti in Test Status (Prior :u Commercial Operation h forecast Achies ed INIIl \\L CRIT IC \\ LITy N/A N/A INITIA L' E LEC TR ICI IN N/A N/A CONDlERCI \\L OPER.\\110N N/A N/A (4/77)
~
x
- w;~
<s,'
~ -- ;
d s
E
/
5 1
1
- is
-i NARRATIVE.SU!e1ARY OF PLANT OPERATIONS
'Date
'10-l Plant operating'at 100%yfull power.
~
s 10-3 Removed Diesel Generator "B" from service for fuel. oil line_(fire protection) modification.
Started-and paral-1eled "A"'Diese1' Generator to the Nuclear Service Bus.
t 10-4'
('
(1116)
~ Shutdown "A" Diesel Generator due to fuel oil leak.
(1143)
Started power reduction in preparation for shutdown in accordance with TS 3.7.3 (loss of both Diesel Generators).
(1206).
' Repaired fuel. oil leak on "A" Diesel Generator.
t (1210)-
. Started and paralleled thel"A" Diesel Generator. to the Nuclear Service Bus..
(1218)
-Terminated-reactor shutdown and increased power back to 100%.
- 10-6 Ran'SP 206.03B,LDiesel Generator "B" Synchronization Surveillance Test.
Unit-declared operable.
Ran SP 206.03A,. Diesel Generator'"A" Synchronization Surveillance' Test'. ' Unit-declared operable and placed unit in standby.
10-15 (0002)
-Commenced reducing power toffacilitate adding oil to RCP "C" upper motorL bearing, (0130)
Tripped Main Generator (opened OCB's).
(0215)
Reactorlpower at'10-8 Amps.-
(0335)
Started to increase reactor power.
' (0445)
Paralleled Main Generator.to the system (closed OCB's),
s
- (1720).
. Reactor a t,51% full power.
(1900);
Reactor;at 91%. full' power, commenced two hour hold, (2158);
- Reactor at 100% full l power.
o.
10-20;
' Started and paralleled Diesel. Generator "A" to the
~
.Nucler.r Service Bus',. removed; Diesel Generator."B"
- from. service for system modificati.on, a
,:~ -
,s.),) f~
--d e nh%
. m ;.N
- p MD, e
, j. s ~
['
..y-
~~
4
.1
., ~.,....,...
F 41 s
i
- f
.3,
- & 9 f,y r 14
.w i
- 1..
,g 5:
.NARRATIVE
SUMMARY
)0F-PLANTj0PERATIONh-(Continued) n c
n.
10-24.
~(1216)'
- Losti voltage. r'egulator 'dircuit. on Diesel Generator '"A".
o 4'
Shut down Diesel.
.yy
,(1223)
St'artedJpower. reduction in preparation for shutdown.ini Jaccordance with TS 3.7.3.
,o
- (1745).
Completed repairs.of voltage _ regulator circuit for Diesel Generator "A".
Started unit for Surveillance Test.
6
-(1905)'
Diesel Genera tor' "A" back in. service, paralleled ~ to a
Nuclear' Service Bus.
' (1906)
Terminated reactor shutdown'.(down1 to approximately 35% FP) j and started increasing power..
(1955),
Paralleled Diesel Generator "B" and ran approp'riate Surveillance Test, left' paralleled at 1500'kw.
.(2330)~
' Ren'ctor at 50% full power.
10-25 (0705)'
Reactor at'87% full. power, commenced two hour" hold.
(1210).
' Reactor at 100% full power.
10-27
' Started Diesel Generator "B",
paralleled to Nuclear Service. Bus.
Removed: Diesel Generator "A" for modification.
PERSONNEL CHANGES REQUIRING REPORTING-No personnel changes'that require reporting in accordance with Technical Specifications Figure 6.2-2 were made'in October 1978.
. MAJOR ITEMS OF SAFETY-RELATED. MAINTENANCE-
-1.)-
Replaced' fuses.in. voltage regulator circuit on Diesel c
Generator "A" '(LER L78-16).
2.).
Replaced insulating'shicids and' actuatingLarms on. twenty-seven
~
. (2.7): breakers ton ithe'2A. and 2B 480 Volt Motor Control Centers
- per G.E.'
- recommendation.for their size 1.contactors.
' w;,,
, bc
- l l
6 c
, ~<
- n
- 5[,
qj;
, I,,
g
,,i :,
4,
....s
?
':3 -
z i
x..- :.,:li s,
g.
SUMMARY
.10FlCIIANGES MADE IN' ACCORDANCE WITH 10 CFR 50.59(b) q.
~
.No. changes, tests or. experiments were completed.
_in October 1978.
L f
f
'I
'}
4
)
d P
g: -
d 4
i 3i E
b i e
T F
_.3 -
4
',4
+
~
,.,,.. n wa.
a
,,w
+,
g >,$ v
~ ~
~
o 3
1 n
'q m s.,
x[
- y_
'(. '
't
. t i
d REFUELING INFORMATION REQUEST.
n t.
11.
Name.of; Facility.'- Rancho Seco Unit' 1
.2.
' Shheduled' date (f'o[next'. refueling. shutdownt-November 15,1978.
31 -, ' Scheduled date forfrestart followingerefueling;-.' December 23, 1978
. j
~
4.
Technical Specification change or.other license amendment required -
a.). Change to Rod Index;vs.. Power Level Curve (TS 3.5.2) b.)' Change to-Core. Imbalance'vs. Power > Level Curve (TS 3.5.2) c.) '.' Tilt ' Limits (TS.3.5.2)'
^
Safety Eq'ipment Testing'(TS 3l3.3)'
d.)
u Scheduled date(s) for submitting proposed'11 censing action - September 11, 1978 5.
1 6.
Important licensing'consi'derations associated.with refueling - None
- J l
1
- 1 7.
Numb tr af. fuel. assemblies a.)
1 Ithe core - 177 b.' ) ' ' 'In'the Spent Fuel Pool - 56 spent; 56 new
-t 8.
Present licensed' spent: fuel capacity' 579 9.
Projected:date 'of the last refueling that can be discharged to the Spent Fuel Pool,-'1987
]
1 i +
'f' g
J o
't, L e,-
,4 6
v..-
...',.'i.-,
i
c y.
'h' 9
.&# 88009-t UNITED STATES o
NUCLEAR REGULATORY COMMISSION j
. j' '}g
$... fm ',j WASHINGTON, D. C. 20555
,,, l4
/
^
I.
-MEMORANDUM FOR:. TERA Corp.
IFROM:
US NRC/TIDC/ Distribution Services Branch
SUBJECT:
Special Document Handling Requirements KT-*
Y h L.L A L.dk
, lease'use the following special distribution list for the j f.
P attached document.
Re Go F \\ Lt MR,e POE B'o W.b.
A,tL D
R.oss.
E*O LE
%A.MMtLL l
H &L Ye61e5 Yl L L AL t/4 H 6 e A E< ^>
1
_.2.
The attached document requires the following special considerations:
Do not send oversize enclosure to the NRC PDR.
C Only one oversize enclosure was received - please return for Regulatory File storage.
C Proprietary information - send affidavit only to
- f1-the NRC PDR C Other: ' (specify) 4(
o
'mw a
cc: DSB Files TIDC/DSB Authorized. Signature n.-..
s C
a
,