ML20135C022

Monthly Operating Rept for June 1985

ML20135C022
Person / Time
Site:	Millstone
Issue date:	06/30/1985
From:	Neron G NORTHEAST NUCLEAR ENERGY CO.
To:
Shared Package
ML20135C015	List: ML20135C011 ML20135C022 ML20135C036
References
NUDOCS 8509110262
Download: ML20135C022 (15)

Text

OPERATING DATA REPORT DOCKET NO. 50-336 DATE 7/is/as COMPLETED BY G. Neron TELEPHONE (203) 447-1791 Extension 4417 OPERATING STATUS 1.

Unit Name: Millstone Unit 2 Notes Items 21 and 22 2.

Reporting Period: June 1985 cumulative are weighted 3.

Licensed Thermal Power (MWt):

2700 averages.

Unit operated 4.

Nameplate. Rating (Gross MWe):

909 at 2560 MW thermal prior 5.

Design Electrical Rating (Net MWe):

870 to its uprating to the 6.

Maximum Dependable Capacity (Gross MWe):

866.25 current 2700 MW thermal 7.

Maximum Dependable Capacity (Net MWe):

833.25 power level.

8.

If Changes Occur in Capacity Ratings (Items Number 3 Through 7)

Since Last' Report, Give Reasons:

N/A 9.

Power Level To Which Restricted, If Any.(Net MWe):

N/A

10. Reasons For Restrictions, If Any:

N/A This Month Yr.-to-Date Cumulative l

11. Hours In Reporting Period 720 4343 83399

12. Number Of Hours Reactor Was Critical 2.8 1114.9 58077

13. Reactor Reserve Shutdown Hours 0

0 2205.5

14. Hours Generator On-Line 0

1109.8 55502.8

15. Unit Reserve Shutdown Hours 0

0 468.2

16. Gross Thermal Energy Generated (MWH) 0 2895103 140579560

17. Gross Elec. Energy Generated (MWH) 0 945800 45627479

18. Net Electrical Energy Generated (MWH)

(-4874) 895827 43719350

19. Unit Service Factor 0

25.6 66.6

20. Unit Availability Factor 0

25.6 -

67.1

21. Unit Capacity Factor (Using MDC Net) 0 24.8 62.9

22. Unit Capacity Factor (Using DER Net) 0 23.7 62.0

23. Unit Forced Outage Rate 0

0 16.8 24.

Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

N/A 25.

If Shut Down At End Of Report Period, Estimated Date of Startup: N/A

' 26. Units In Test Status (Prior to Commercial Operation):

Torecast Achieved INITIAL CRITICALITY N/A N/A

-INITIAL ELECTRICITY N/A N/A CO M ERCIAL OPERATION N/A N/A 8509110262 850715 PDR ADOCK 05000336 R

PDR by

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-336 UNIT Millstone 2 DATE 7/15/85 COMPLETED BY G. Neron TELEPHONE (203) 447-1791 Extension 4417 MONTH June 1985 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net)

I O

17 0

2 0

18 0

3 0

19 0

4 0

20 0

5 0

21 0

6 0

22 0

7 0

23' 0

8 0

24 0

9 0

25 0

10 0

26 0

11 0

27 0

12 0

28 0

4 13 0

29 i

0 14 0

30 0

2 15-0 31 16 0

4 INSTRUCTIONS On this format,-. 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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i DOCKET NO. 50-336 UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME Millstone 2 l

DATE 7/15/85 COMPLETED BY G. Neron-l REPORT MONTH June TELEPHONE (203) 447-1791' Extension 4417 l

2 No.

.Date_

. Type Duration Reason Method of Licensee Systeg Compogent Cause & Corrective (Hours)

Shutting Event Code Code Action to 3

Down Reactor Report #-

Prevent Recurrence:

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1-

~ 850216 S

720 C

1 N/A N/A N/A-Continuation of Refuel Maintenance Outage from previous-month.

1 2

3 4

F:

Forced Reason:

Method:

Exhibit G - Instructions S:

Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test.

2-Manual. Scram-Enter Sheets for LicensG

'C-Refueling 3-Automatic' Scram Event Report'(LER) File D-Regulatory Restriction 4-Continued from (NUREG-0161)

-E-Operator Training & License Examination previous month F-Administrative 5-Power Reduction 5 G-Operational Error (Explain)

(Duration = 0)

Exihibit 1 - Same ' Source H-Other (Explain) 9-Other (Explain)

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L D:ckst N2. 50-336 Date 7/1sfas Unit Name Millstone 2 t

Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE SUPMARY FOR SAFETY RELATED. EQUIPMENT REPORT MONTH June 1985.

DATE SYSTEM COMPONENT MAINTENANCE ACTION f

2/22/85 Reactor Coolant'& Vessel Spare Pressurizer Replaced precision resistor valued 9 i

Transmitter N-E11GM 25.01 ohms.

l 4/30/85--

Reactor Coolant & Vessel Pressure Transmitters.

Grease and replace transmitter "0" l

PT-100Y and PT-100X rings, torque covers.

6/3/85 Reactor Coolant & Vessel RCP Speed Sensor Pulse Verified connections, corrected Transmitter leads on TB-9 lower from 5, 6, 7 & 8 to 1, 2, 3 & 4.

l 6/3/85-Safety Injection Tanks SIT T390 Low Level Alarm Installed new microswitch #BZR241.

6/3/85 Safety Injection Tanks SIT T390 Pressure Installed new seal tite assembly.

Transmitter 6/8/85 Containment Structure CTMT Electrical Penetration Replaced broken teritii:41 with spare l

SEX-E6 Wiedmuller terminal.

6/8/85 Containment Structure CTMT Electrical Penetration-Replaced broken terminal with spare.

SWX-E5 3/12/85 Service Water SW Pump PSB Filter Pressure Installed new switch and calibrated.

Diff Switch

D:ck t N2. 50-336 Date 7/15/85 Unit Name Millstone 2 Completed By G. Neron l

Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE SUPMARY FOR SAFETY RELATED EQUIPMENT REPORT MONTH June 1985 l

DATE SYSTEM COMPONENT MAINTENANCE ACTION

'6/20/85 Incore Nuclear Monitor Incore Detector E20 Replaced mineral cable.

Incore Detector F19 Incore Detector J7 Incore Detector T2 6/13/85 Incore Nuclear Monitor Incore Detector L18 Replaced ICI L-18 cable.

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5/31/85 ESAS Automatic Test Inserter Replaced lamp socket.

L 6/17/85 ESAS Bus 24C LNP (A3) UV Trip Replaced bistable trip module BA-212.

l Bistable l

6/17/85 Reactor Protection Power Ratio Calculator Replaced the B2-3 Module.

3/26/85 Reactor Protection S/G #2 Pressure Transmitter-Installed new amplifier, calibrated, replaced "0" ring and torqued cover.

3/16/85 Reactor Protection Reactor Protection System Replaced all noise suppressor diodes on RPS Channel A thru D and checked.

5/10/85 Reactor Protection Reactor Protection System Performed component swap of CR1 and l

R3 for Channels A, B & C.

Installed l

new Channel "D" pre-amp assembly.

Docket No. 50-336 Date 7/15/85 Unit Name Millstone 2 -

Completed By G. Neron

. Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE SUMARY FOR SAFETY RELATED EQUIPMENT REPORT MONTH June 1985 DATE SYSTEM COMPONENT MAINTENANCE ACTION 4/9/85 Reactor Protection Reactor Protection System Cleaned contacts on trip test relay K1-on Channel A, B & D.

4/11/85 Reactor Protection Reactor Protection System Replaced trip test pots on Channel "A" thru "D" RPS linear range drawers.

l 4/9/85 Reactor Protection Calibration and Indication Burnished K1 relay contacts and Panel RPS-C reinstalled / verified proper operation.

6/11/85 Reactor Protection Calibration and Indication Replaced old fuse holder with new holder.

Panel RPS-D 6/19/85 Reactor Protection Wide Range Log Channel D Replaced Channel "D" Wide' Range Detector.

6/17/85 Reactor Protection Wide Range Drawer RPS-D Replaced Scaling Resistor.

l 6/19/85 Reactor Regulating RRS Channel X Neutron Installed new detector in well #12.

l Detector 4/16/85 Reactor Regulating Reactor Coolant Loop 2A Installed new RTD, S/N 963.

Cold Leg Temp 6/13/85 CEA Position Indication Reed Switch Assembly Replaced reed switch "A" cable for switch 09.

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Dockst No. 50-336 Date 7/15/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791~

Extension 4417 CORRECTIVE MAINTENANCE

SUMMARY

FOR SAFETY RELATED EQUIPMENT REPORT MONTH June 1985 DATE SYSTEM COMPONENT MAINTENANCE ACTION 4/11/85 Reactor Coolant & Vessel Reactor Internals - UGS Removed three (3) bent CEA extension shafts.

4/23/85 Reactor Coolant & Vessel Reactor Internals -

Cut locks and removed #5 cluster.

ICI Plate 6/8/85 Reactor Coolant & Vessel Reactor Coolant Pump Overhauled M-2 RCP seal.

6/12/85 Reactor Coolant & Vessel RCP Suction Line Drain Repacked 2-RC-0358.

Isolation Valve 5/29/85 Reactor Coolant & Vessel Pressurizer PORV Assembly Removed flange elbow and spool piece, straightened spool piece and welded-new flange and elbow onto 2-RC-404.

3/1/85 Fuel / Reactor Component Spent Fuel Handling Tool Replaced old grapple with new grapple Handling assembly, replaced upper tool section and inner sections of old tool with sections from spare tool.

6/20/85 CVCS "A" Charging Pump Repacked pump, torqued plunger head nuts.

Dockat No. 50-336 Date 7/15/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE SUPMARY FOR SAFETY RELATED EQUIPMENT REPORT MONTH June 1985 DATE SYSTEM COMPONENT MAINTENANCE ACTION 6/22/85 Safety Injection Tanks Hanger #410018 for 12-CCA-5 Removed hanger base plate, drilled Piping new Hilti-Bolt holes, installed new hanger base plate and welded to hanger.

3/30/85 HPSI "B" Header Relief Valve Bench tested and set valve at 1740 PSI.

6/2/85 HPSI "A" Header to Loop 1A Removed stem nut and installed new Injection Valve Motor operator on 2-SI-617.

6/2/85 HPSI "B" Header to Loop IB Removed stem nut and installed new i

Injection Valve Motor operator on 2-SI-626.

4/23/85 HPSI "A" Header to Loop Replaced MOV with a new MOV and new l

IB Injection Valve Motor stem nut, set limits and adjusted flow.

6/6/85 HPSI HPSI Pump Suction Pipe Replaced missing pipe clamp bolt with j

3/4" x 7" stud and four (4) nuts.

4/24/85 Shutdown Cooling Pipe Hanger #402008 Retorqued bolts on mounting plate to proper torque values.

5/3/85 Containment and Enclosure CTMT Purge Supply Isolation Installed new T-ring and tested.

Building Purge Valve Assy (Inside CTMT) 6/5/85 EBFS Motor Operated Damper Assy Replaced motor operator.

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Dockst No. 50-336 Date 7/15/85 Unit Name Millstone 2

~

Completed By G. Neron l

Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE SIM4ARY FOR SAFETY-RELATED EQUIPMENT l

REPORT MONTH June 1985 l

DATE SYSTEM COMPONENT MAINTENANCE ACTION-1 4/9/85 Service Water Underground SVC Water Pipe Applied belzona super metal, grout 16-KE-1 and burlap.

6/7/85 Service Water Isolation Valve 2-SW-181A Temporary Weld Repair of Pipe.

l Flange j

Isolation Valve 2-SW-1818 Flange Isolation Valve 2-SW-181C Flange 4/17/85 Service Water Inlet Valve 2-SW-3.1B Assy Repaired Manual Operator by making new clutch mechanism.

6/19/85 Service water.

Inlet Valve 2-SW-3.1B Assy.

Installed new dual valves, attached l

sealtight. Made up air fittings, lugged wires and added C-fittings w/ covers.

Ring terminals bolted tight and tapped.

Covers installed.

l 4/22/85 Service Water Stop Valve 2-SW-3.2A Assy.

Remounted connection box, two limit l

switches, two solenoid valves and replaced a 3/4" elbow.

Installed valve 2-SW-3.2A and piping.

4/23/85 Service Water Stop Valve 2-SW-3.28 Assy.

Replaced wire between terminal box and solenoid.

4 n.

Dock;t No. 50-336 Date 7/15/85 Unit Name Millstone 2 Completed By G. Neron Telephone 1203)447-1791 Extension 4417 CORRECTIVE MAINTENANCE

SUMMARY

FOR SAFETY RELATED EQUIPMENT REPORT MONTH June 1985 DATE SYSTEM COMPONENT MAINTENANCE ACTION 5/5/85 Service Water Stop Valve 2-SW-55A Replaced valve.

6/3/85 Service Water Stop Valve 2-SW-8A Installed new gasket and retightened flange.

4/13/85 Service Water Discharge Pipe Header from Installed new cross tie between SW Pumps (Above Ground) 2-SW-17A and 2-SW-97B.

3/19/85 Service Water Discharge Pipe from SW Pumps Pad welded eroded area and (Above Ground) repainted.

4/23/85 Service Water Discharge Pipe from SW Pumps Modified studs to "6".

Cut old studs (Above Ground) - Flange off and removed them.

Reconnected lines using new gaskets.

6/5/85 Service Water SW Outlet Pipe 24-JGD-6 Performed weld repair on 24-JGD-6.

4/24/85 RBCCW "C" RBCCW Pump Motor Cleaned motor, redrilled lower pump i

side bearing for RTD.

Filled both

)

bearings with oil.

4/28/85 RBCCW "B" Heat Exchanger Removed shellfish shells from heat i

exchanger.

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Docket No. 50-336 Date 7/15/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791

. Extension 4417 CORRECTIVE MAINTENANCE St# MARY FOR SAFETY RELATED EQUIPMENT REPORT MONTH June 1985 DATE SYSTEM COMPONENT MAINTENANCE ACTION 4/14/85 RBCCW "C" Heat Exchanger Plugged one tube.

5/14/85 RBCCW Inlet Valve 2-RB-28.1A Af ter testing T-ring was adjusted.

5/11/85 RBCCW Outlet Valve 2-RB-28.2A After testing T-ring was adjusted.

Outlet Valve 2-RB-28.2C Outlet Valve 2-RB-28.3A 3/28/85-R8CCW Outlet Valve 2-RB-28.38 Assy. Adjusted T ring.

l 3/26/85 RBCCW Relief Valve 2-RB-314 Disassembled valve, replaced disc, machined seat, reassembled and set at 150 psig lift.

l 3/23/85 R8CCW Drain Valve 2-RB-898 Disassembled bonnet and reassembled with new bonnet gasket.

6/2/85 Aerated Liquid Radwaste Isolation Valve 2-SSP-16.1 Disassembled, cleaned internals and inspected disc and seat.

4/24/85 Gaseous Radwaste Isolation Valve 2-GR-11.2 Lapped valve to seat, replaced Assy.

diaphragm and replaced flex gasket.

Dock;t No. 50-336 Date 7/15/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE

SUMMARY

FOR SAFETY RELATED EQUIPMENT REPORT MONTH June 1985 DATE SYSTEM COMPONENT MAINTENANCE ACTION 6/20/85' Station Elec. Service 24G to 24C Feeder Breaker Disassembled trip latch mechanism.

4.16 KV (A302)

Cleaned, lubricated and reassembled.

Adjusted depth of set screw in tripper shaft.

3/20/85 Station Elec. Service Breaker - Diesel Generator Overhauled ML-13 operating device 4.16 KV 15G-130-2 (A401) and replaced 13 bushings (2 TUF-LOC) with new aluminum-bronze bushings.

Cleaned and lubed moving parts.

3/23/85 Station Elec. Service Breaker - Safety Injection Cleaned and replaced TUF-LOC 4.16 KV Pump 2403-2 (A404) bushings with al-bronze bushings.

l 3/20/85 Station Elec. Service Breaker - RBCCW Pump 24D1-2 Cleaned and replaced TUF-LOC I

4.16 KV (A402) bushings with al-bronze bushings.

4/13/85 Station Elec. Service Breaker - Aux Feed Pump Readjusted pick-up of relay coil.

4.16 KV 24D5-2 (A406) 3/23/85 Station Elec. Service Breaker - SVC Wtr Pump Disassembled, cleaned and replaced 4.16 KV 2406-2 (A407) all TUF-LOC bushings with brass bushings.

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Docket No. 50-336 Date 7/15/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE SUM 4ARY FOR SAFETY RELATED EQUIPMENT l

REPORT MONTH June 1985 1

DATE SYSTEM COMP 0NENT MAINTENANCE ACTION l

3/22/85 Station Elec. Service Breaker - 24D to 24E Tie Lubricated elevator mechanism and l

4.16 KV 240-2T-2 (A408) adjusted drive wheel of elevator motor.

3/22/85 Station Elec. Service Breaker - Bus 24D to 22F Disassembled, installed new bushings.

l 4.16 KV 4160/480 Xfmr Feeder 24D7-2 l-(A409) 3/21/85 Station Elec. Service Bus 24B to 24D Tie 240-1T-2 Replaced all TUF-LOC bushings with l

4.16 KV (A410)

Al-Bronze bushings.

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3/23/85 Station Elec. Service Bus 24G to 24D Feeder Cleaned out metal shavings and j

4.16 KV Breaker 2253-24D-2 (A411) replaced bushings.

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6/13/85 Station Elec. Service Breaker - PSB SVC Water Pump Cleaned, lubricated and reassembled l

4.16 KV 24El-2 (A502) trip latch assembly.

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4/4/85 Station Elec. Service Breaker - RBCCW Pump 24E3-2 Replaced TUF-LOC bushings with l

4.16 KV (A504)

Al-Bronze bushings.

3/28/85 Station Elec. Service Breaker - RBCCW Pump 24E3-2 Replaced broken fuse holder in 4.16 KV (A504) 4.16 KV cabinet, breaker A504.

4/5/85 Station Elec. Service Breaker - Bus 24F to 24E Tie Cleaned and replaced bushings.

l 4.16 KV 2153-24E-2 (A505)

Dockst No. 50-336 Date 7/15/85 Unit Name Millstone 2-Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE St# NARY FOR SAFETY RELATED EQUIPMENT REPORT MONTH June 1985 l

DATE SYSTEM COMPONENT MAINTENANCE ACTION i-l' 4/5/85 Station Elec. Service Breaker - Bus 24F to 24E Lubricated mechanism.

i 4.16 KV Feed (A602)

I-3/8/85 Station Elec. Service Breaker - Spare, S/N Welded striker plate.

4.16 KV 0228A2415-003 i

3/12/85-Station Elec. Service Breaker - Spere, S/N Deburred Al-Bronze bushings, l

4.16 KV 0228A2415-003 cleaned and reassembled with l

11 new Al-Bronze bushings.

l 2/20/85 480 V Load Centers Breaker - F14B C. A.R. Fan Straightened track lock link.

L (B0605) i j

3/9/85 480 V Load Centers Breaker - DC2 "B" DC Split breaker, installed new/

f Battery Bus Battery Charger rebuilt EC-2A series overcurrent-l, (80607) devices, cleaned and lubricated.

6/20/85 125 Volt DC "B" 125 Volt DC Station Cut end rail of battery rack to l

Battery adjust clearance approx.

" for l

cell #12 and #43. Adjusted end i

rail of cell #13 and #42.

4/23/85 ESAS Channel "D" Stop Valve Removed bonnet and plug, lapped 2-AC-99 plug and seat, installed bonnet with new flex gasket.

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Docket No. 50-336 Date:

7/15/85 Completed By: G. Neron Telephone: (203) 447-1791 Extension 4417 REFUELING INFORMATION REQUEST 1.

Name of facility:

Millstone 2 2.

Scheduled date for next refueling shutdown:

September 1986 3.

Schedule date for restart following refueling: N/A 4.

Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?

N/A 5.

Scheduled date(s) for submitting licensing action and supporting information:

A.

Technical support information for reracking the spent fuel pool will be submitted approximately July 31, 1985 to support a proposed license ammendment.

8.

Results of the sleeving and plugging of the steam generator tubes was submitted to the NRC on June 18, 1985.

6.

Important licensing considerations associated with refueling, e.g.,

new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, new operating procedures:

None.

7.

The number of fuel assemblies (a) in the core and (b) in the spent fuel storage pool:

(a) In Core: 217 (b) 449 8.

The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been requested or is planned, in number of fuel assemblies:

Currently 667 Plans are being formulated to rerack the spent fuel pool beginning in August 1985, to increase the storage capacity to 1106 fuel assemblies.

9.

The' projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:

1965, Spent Fuel Pool, Full core off load capacity is reached.

1987, Core Full, Spent Fuel Pool contains 648 bundles.