ML20066D552
| ML20066D552 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 05/04/1981 |
| From: | Tetzlaff A INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG |
| To: | |
| Shared Package | |
| ML20066D548 | List: |
| References | |
| NUDOCS 8211110399 | |
| Download: ML20066D552 (9) | |
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C?ERATINC DATA RJ.?CRT 50-316 DCCrIT NC.
DA7 5-4-81 COMPLITID IY A. !
Tat 21aff.
.9ONI 616-d66-6901 77 ::
CPERATING STATUS N**8 Donald C. Cook Unit 2 g, gejg y,c.,,,
Aoril 1981
- 2. R: porting ?tdod:
3391
- 3. U::: sed The:=d ?:wcr C tW:):
1133 4 N =eelse: Rade;(Cro:s MWe):
1100
- 5. Desi;$. Ee=.'=1 R::in;(Net MWe):
IIIO
- 6. 5f-" su:= Depe.ddle Capci:f (creu MW-):
1082
- 7. Maxi===: De;- d-M-C:p:=i:7 (Net MWe):
S. If Ch: ;-s Oc=rin C:p=i:y F +;s (1::=s Nc=h: 3 T'vec;h 7) Sin:: L:s: Repor:. Give Ressans:
- 9. PowerI.svel To Whi:1 R:s=i::-d. If Any (Ne: MWe):
- 10. Resocs For ?.~--=d:does.If A=y:
This Month Y:..< o.Ca r Cc. ::!::ive 257y.
- 7IY'
---E IC^
29 1FI
- 11. Hou:s != R:po::is: ?:ded 0
1.799.1 to.a7n 9
- 12. Nu::' er Cf Hoe:s Recor'"zs Cdd=1 c
0 0
0
- 13. Rc=sr R=:c:ve sh::dev.n He=:s U
1,728.1 18d57.7
- 14. Hours Ce=== tar On.U:,
0 0
0
- 15. U.-J: R:se:,e Sh=tdown Ecc 0
5,833,391 59,453.025
- 16. Cross The:=d I::::y Cent =:ed (MW!i)
U 1,897,710 18,989,540
- 17. Cross Ele==ic!I e :7 Cee:::::d (MWE) 0 1,833,871 18,293,036
- 13. Nc: se==i=1 r---~ Cene::::d C.:WE) 0 ou.0 70.2
- 19. Uni serri== F::: r 0
60.0 7n 9
- 20. U f: AveiiniE:r 5:::or
- 21. Unit C:pcir.* E:::er (Usi=: MDC Net).
0
.s a o s:c: c; 0
57.Q ga.g
- 22. Cair Caescity F:c:cr(Using DE?. Net) 0 0
14.2
- 13. Uni: For::d Cu::ge R :e
- . Shutdo ans Schedeled Over Nex.: 5 Mont: s (Type. D:te.: d Oct:: ion of Eschr.
Refuelino Outace started March 14.1Q81 will and Mav l't.
1 cg'1
- 25. If Sht: Down At End Of Reper: ?:ded. Esti==:ed D:te of St:-::p:
M=y i 7 - 1 001
. 25. Units la Tes: 5::: s t? dor to Ce==erci:1 Cp :::ient:
Fore...st Achieved INITIA!. C?.!TICA UTY IN7AL....,..v.
COMM E?.C:A' 0?IT..GCN tui 71 8211110399 810513 PDR ADOCK 05000316 R
ppg
-c-
1 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50.316 UNIT 2
DATE 5-4-81 COMPLETED SY A. L. Tetzlaff TELEPHONE 616-465-5901 MONTH Acril 1981 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWE-Net)
(MWe-Net) 1 17 18 2
19 3
20 4
-~~~
5 21 6
22 8
24 g
25 10 26
-~~~
33 27 12 28 13 29 14 30 15 31 16 INSTRUCTIONS On this fonnat list the average daily unit power level in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.
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UNITSiluTDOWNS AND POWER REI)UCTIONS DOCKET NO. 50-316 UNIT NAhlE
-0.C. Cook - Unit 2 DATE 5-13-81 REPORT AIONTil April, 1981 COhlPLETED llY B.A. Svensson 1ELEPilONE (616) 465-5901 "t.
'5 u, 2
?
c re E 'A Licensee 1,
.3 e 8
g 5%
c4 Cause & Connective No.
D.ite g
g sj
,c g E livent wT E3 Adion to g$ E c2 j;g g Repoil #
iN'0 0
Prevent Recussence 6
93 810314 S
720 B&C 1
N.A.
ZZ ZZZZZZ The unit was removed from service for Cycle II - III refueling outage at 0006 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> on 800314. The unit re-mained out of service the entire month.
Estimated return to service date 800515.
I 2
3 4
F: forceti Iteason:
Methotl:
Exinbis G-Instrursions S: Sdictlulcil A liquipment Faihue(limplain) 14fanual for Pseparation of Data Il41aintenance ni Test 241anu I Scram.
Enisy Shecis foi 1.icensee C Refueling 3 Automatic Scram.
Eveni Repini (1.liR) File INtlRI.G-D.Regulatoiy ltestilenion 4 Other (Explain) 01611
' E. Operator l~rainin;;& License Examinailon F-Ail:mnistrative 5
G. Operational Einor (lixplain)
- ixliibii I. S.une Source 11/77) li-Othes (Explain!
i
Docket No.:
50-316 Unit Name:
D. C.~ Cook Unit #2 Completed By:
D. R. Campbell.
Telephone:
(616) 465-5901 Date:
May 12,,1981 7
.s Page:
1 of 1
,i i
M0flTHLY OPERATIt1G ACTIVITIES - APRIL, 1981 Highlights:
The Unit entered this reporting peri'od in Mode.6 with refueling in progress. The Unit. returned to Mode 5 at 1340 hours0.0155 days <br />0.372 hours <br />0.00222 weeks <br />5.0987e-4 months <br />, April 21, 1981, refueling s
complete.
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DOCKET N0.
50 - 316 UNIT NAME D. C. Cook - Unit No. 2
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DATE 5-13-81 COMPLETED BY B. A. Svensson TELEPHONE (616) 465-5901 PAGE 1 cf 5 MAJOR SAFETY-RELATED MAINTENANCE APRIL, 1981 M-1 Component cooling motor operated containment isolation valve, CCM-433, failed to pass the Type C leak rate test.
Disassembled the valve, cleaned the valve internals and lapped the seat.
Reassembled the valve and had it retested.
M-2 Component ceuling water containment isolation check valve, CCW-244-72, failed te pass the Type C leak rate test.
Replaced the valve disc, lapped seat and had valve retested.
M-3 Non-essential service water containment isolation check valves, NSW-415-3, NSW-419-2, NSW-419-3, NSW-244-2 and NSW-244-4 failed to pass the Type C leak rate test.
Replaced the valves and had the new valves tested.
M-4 Non-essential service water containment isolation check valve, NSW-415-2, failed to pass the Type C leak rate test.
Disassembled the valve, re-placed the disc and cleaned the valve internals.
Reassembled the valve and had it retested.
M-5 Non-essential service water containment isolation check valve, NSW-419-4, failed to pass the Type C leak rate test.
Disassembled valve and cleaned valve internals.
Reassembled using new gaskets and had the valve retested.
M-6 Non-essential service water containment isolation check valve, NSW-244-1, failed the Type B and C leak rate test.
Disassembled valve, cleaned the valve internals, reassembled with new gaskets and had valve tested.
M-7 Non-essential service water containment isolation regulating valve, WCR-958, failed to pass the Type B and C leak rate test.
Disassembled valve, cleaned the valve internals and lapped the plug and seat.
Re-assembled and had valve retested.
M-8 Boric acid filter bypass valve on the discharge of No. 3 boric acid transfer pump, CS-416-3, was leaking.
Replaced the bonnet assembly and had the valve operability verified.
M-9 During routine inspection of ESW supply check valves to 2CD diesel jacket water coolers, ESW-141-E, was found to have a bad seat. Re-placed the seat.
M-10 Non-essential service water containment isolation check valves, NSW-417-3 and NSW-417-4, failed to pass the Type C leak rate test.
Disassembl ed, cleaned valve internals, lapped the seats and reassembled using new gaskets.
Had the valves tested.
- ~
DOCKET N0.
50 - 316 UNIT NAME D. C. Cook - Unit No. 2 DATE 5-13-81 COMPLETED BY B. A. Svensson TELEPHONE (616) 465-5901 PAGE 2 of 5 MAJOR SAFETY-RELATED MAINTENANCE APRIL, 1981 M-ll Non-essential service water valve, NSW-247-3, was leaking by.
Dis-assembled valve and cleaned valve internals.
Lapped the seat and re-assembled the valve.
M-12 Non-essential service water containment isolation regulating valve, WCR-930, failed to pass the Type C leak rate test.
Lapped the valve seat and had the valve retested.
M-13 Containment drain header containment isolation regulating valve, DCR-260, failed to pass the Type C leak rate test.
Disassembled, cleaned the valve internals and reassembled using new gaskets.
Had the valve re-tested.
M-14 Instrument purge supply containment isolation valves, VCR-101 and 201, failed to pass the Type C leak rate test.
Cleaned valve internals and had the valves retested.
M-15 Reactor coolant drain tank vent line containment isolation check valve, N-160, was leaking by.
Disassembled valve, cleaned internals, lapped seat and reassembled.
M-16 Containment spray system containment isolation check valves, CTS-131E and W were leaking by.
Disassembled, cleaned valve internals and re-assembled.
M-17 Component cooling water check valves, CCW-224-3 and CCW-225-3, would not seat during a test. Disassembled and cleaned the internals in both valves.
Reassembled and informed Operations Department to complete the test.
M-18 The north boric acid tank outlet isolation valve, CS-437N, was very difficult to operate.
Inspection revealed the diaphragm valve bonnet internals were corroded." Replaced the bonnet assembly.
M-19 The 2CD diesel 4 rear bank cylinder starting air valve stem was broken.
Disassembled engine and examined all cylinders.
Replaced one cylinder head, piston and sleeve. Replaced three starting air valves and other minor. parts that were broken or damaged.
Tested engine and performed 18-month surveillance.
M-20 The 2CD diesel turbocharger rotor was damaged by metallic debris which had entered the turbocharger.
Replaced the rotor and bearings. Changed oil.
Retested engine and performed 18-month surveillance.
DOCKET N0.
50 - 316 UNIT NAME D. C. Cook - Unit No. 2 DATE 5-13-81 COMPLETED BY B. A. Svensson TELEPHONE (616) 465-590T PAGE 3 of 5 MAJOR SAFETY-RELATED MAINTENANCE APRIL, 1981 M-21 The No.1 steam generator stop valve, MRV-210, was disassembled to re-move and inspect the disc guide studs. -Three of the studs were broken.
All of the studs were replaced with new studs.
M-22 Emergency essential service water supply isolation valve to the Turbine Driven Aux Feed Pump, ESW-240, was leaking by.
Replaced the valve.
_M-23 Containment ventilation drain header isolation valve, DCR-621, failed to pass the Type B and C leak rate test.
Disassembled, lapped valve seats, reassembled and had the valve retested.
M-24 The stem of RC-129, pressurizer safety valve loop seal drain valve was bent.
Replaced the valve stem assembly, ' yoke assembly, repacked the valve and reconnected the reach rod.
M-25 The reactor coolant filter outlet check valve, CS-395, had a body to bonnet leak.
M-26 Pressurizer power operated relief valve isolation valve, NM0-151, was not closing completely. Adjusted limitorque operator auxiliary switches.
Also, cleaned torque switch contacts and freed torque switch which was binding slightly.
Had the valve tested.
M-27 Check valve, N-160, in the nitrogen supply line to the reactor coolant drain tank was leaking. Replaced the valve gasket and had valve re-tested.
M-28 2 West ESW supply header isolation valve, WM0-706, was leaking by.
Found butterfly valve shaft bound.
Freed valve and cleaned internals.
Had valve tested.
M-29 Essential service water safety valves for the CCW heat exchangers, SV-15E and W, were leaking by when ISI test was conducted.
Lapped seats, cleaned valves and had the valves retested.
M-30 Instrument room purge exhaust containment isolation valves, VCR-102 and 202, failed to pass Type C leak rate test.
Inspected, cleaned and adjusted valves.
Hid them retested.
M-31 Inspected seals on No. 2-1 reactor coolant pump.
Replaced No.1 seal insert, No. 3 seal ring and No. 3 seal runner.
Reassembled and aligned pump to motor.
DOCKET N0.
50 - 316 UNIT NAME D. C. Cook - Unit No. 2 DATE 5-13-81 COMPLETED BY BI'A. Svensson TELEPHONE J516)465-5901 PAGE 4 of 5 fAJOR SAFETY-RELATED MAINTENANCE APRIL, 1981 M-32 Inspected the seals on No. 2-2 reactor coolant pump.
Replaced the rings and runners for No. 2 and No. 3 seals.
Reassembled and aligned pump to motor.
M-33 Inspected seals on No. 2-3 reactor coolant pump.
Replaced No. 3 seal ring.
Reassembled and aligned pump to motor.
M-34 Inspected seals on No. 2-4 reactor coolant pump.
Replaced seal rings and runners for all three seals.
Reassembled and aligned pump to motor.
M-35 No. 3 boric acid transfer pump was leaking.
Replaced the mechanical seal and had pump tested.
M-36 CVCS letdown safety valve, SV-51, was leaking by.
Valve was inspected and could not be repaired due to lack of parts.
Replaced with a new valve which was tested prior to installation.
M-37 Auxiliary feedwater motor operated regulating valve, FM0-242, was leaking by.
Replaced valve seat, machined valve plug and reassembled using new gaskets.
Repacked valve and had it tested.
M-38 2AB2 diesel fuel oil transfer pump discharge check valve, DF-ll5A, leaked by.
Lapped seat.
M-39 CD diesel jacket water surge tank float valve was leaking by.
Replaced valve.
M-40 One inch line to RHR flow instrument IFI-330 in "E" RHR heat exchanger room had a weld leak.
Cut pipe from elbow and rewelded.
Had NDE per-formed.
M-41 Containment ventilation drain header containment isolation valve, DCR-621, failed to pass the Type C leak rate test.
Disassembled and inspected valve, reassembled using new gaskets and had valve retested.
M-42 Lower containment purge containment isolation valves, VCR-104 and 204, failed to pass Type C leak rate test. Cleaned and adjusted valve internals.
Increased the 0.D. of the disc in VCR-104 by welding and filing.
Had valve retested.
M-43 Charging system hand valves, CS-300E and CS-349 had packing leaks.
Re-packed valves.
DOCKET N0.
50 - 316 o
UNIT NAME D. C. Cook - Unit No. 2 DATE 5-13-81 COMPLETED BY B. A. Svensson TELEPHONE f 616) 465-5901 PAGE 5 of 5 MAJOR SAFETY-RELATED MAINTENANCE APRIL, 1981 M-44 Steam generator blowdown containment isolation valve, DCR-340, was leaking by.
Disassembled valve, machined disc and lapped seat and disc.
Reassembled with new gaskets and had valve tested.
M-45 CCW surge tank fill valve, CRV-411, was leaking by.
Lapped valve seat and had valve tested.
M-46 Steam generator blowdown containment isolation valve, DCR-330, was leaking by.
Disassembled valve. Machined and had valve tested.
M-47 Steam generator blowdown containment isolation valve, DCR-310, was leaking by.
Disassembled and inspected valve.
Reassembled with new gaskets and had valve tested.
M-48 Steam generator blowdown containment isolation valve, DCR-330, had a packing leak.
Repacked and had valve tested.
M-49 Boron injection tank outlet valvo, ICM-250, failed to pass the Type C leak rate test. Disassembled, lapped and cleaned valve internals.
Re-assembled valve and had it retested.
M-50 Safety injection system check valve, SI-161-L4, had a body to bonnet leak.
Replaced bonnet gasict.
M-51 CD diesel jacket water vent valve, ESW-162CD, had a broken stem.
Re-placed valve internals and gaskets. Also, cleaned internals of valve.
M-52 The 2CD2 diesel fuel oil transfer pump discharge check valve, DF-ll5C, was leaking by.
Replaced the valve seat and stem and had valve retested.
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