ML20132H145
| ML20132H145 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 07/31/1985 |
| From: | Neron G, Romberg W NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES |
| To: | NRC OFFICE OF RESOURCE MANAGEMENT (ORM) |
| References | |
| MP-8089, NUDOCS 8510020076 | |
| Download: ML20132H145 (17) | |
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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-336 UNIT Millstone 2 DATE 8/14/85 COMPLETED BY G. Neron TELEPHONE (203) 447-1791 (Extension 4417 MONTH July 1985 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 1 0
17 0
j 2
0 18 0
3 0
19 0
4 46 20 91 5
211 21 451 6
385 22 792 l
7 452 23 852 8
787 24 848 9
817 25 849 10 818 26 624 l
11 826 27 698 12 854 28 853 l
l 13 847 29 853 l
14 848 30 853 l
15 542 31 853 16 0
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.
-] L)'l 8510020076 850731 PDR ADOCK 05000336
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R PDR
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OPERATING DATA REPORT DOCKET NO. 50-336 DATE 8 /14 /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:
July 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):
835.25 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 11.
Hours In Reporting Period 744 5087 84143 12.
Number Of Hours Reactor Was Critical 660.4 1775.3 59852.3 13.
Reactor Reserve Shutdown Hours 0
0 2205.5 14.
Hours Generator On-Line 546.9 1656.7 56049.7 15.
Unit Reserve Shutdown Hours 0
0 468.2 16.
Gross Thermal Energy Generated (MWH) 1247903 4143006 141827463 17.
Gross Elec. Energy Generated (MWH) 402000 1347800 46029479 18.
Net Electrical Energy Generated (MWH) 380202 1276029 44099552 19.
Unit Service Factor 73.5 32.6 66.6 20.
Unit Availability Factor 73.5 32.6 67.2 21.
Unit Capacity Factor (Using MDC Net) 61.2 39.0 62.8 22.
Unit Capacity Factor (Using DER Net) 58.7 28.8 61.9 23.
Unit Forced Outage Rate 17.3 6.5 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):
Forecast Achieved-INITIAL CRITICALITY N/A N/A INITIAL ELECTRICITY N/A N/A COMMERCIAL OPERATION N/A N/A
DOCKET NO. 50-336
" UNIT. SHUTDOWNS AND POWER REDUCTIONS
. UNIT NAME Millstone 2 DATE 8/14/85 COMPLETED BY G. Neron REPORT MONTH July TELEPHONE (203) 447-1791 Extension 4417-l 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 1
850216 S
82.9 C
1 N/A N/A N/A Completion of Refuel Maintenance Outage.
2 850715 F
114.3 A
3 85-11 AB FCV Unit tripped from 100%
power due to reduction of reactor coolant system pressure caused by stuck open pressurizer spray valve..See LER.
3 850726 F
0 A
5 85-12 BI STR Power was reduced to 46% from 10WE power because the "A" service water pump strainer was plugged due to high storm winds.
Strainer was cleaned.
See LER.
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 Entry Sheets for License 0 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)
Docknt N). 50-331 Date 8/14/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE
SUMMARY
FOR SAFETY RELATED EQUIPMENT REPORT MONTH July DATE SYSTEM COMPONENT MAINTENANCE ACTION 6/12/85 Reactor Coolant "B" Reactor Coolant Pump Removed old seal and installed new seal.
& Vessel 5/21/85 Reactor Coolant "C" Reactor Coolant Pump Weld repaired lube oil pipe.
& Vessel Motor 7/16/85 Reactor Coolant PZR Spray Flow Control
' Cleaned plug and bonnet, repacked and
& Vessel Valve from Loop "1B" assembled rebuilt operator.
Valve Assembly 7/17/85 Reactor Coolant Coupling in Bleedoff Ground off old weld, prepped and
& Vessel Line for PZR Spray Flow welded in drain line.
Control Valve from Loop "1B" Valve Assembly 7/20/85 Reactor Coolant Coupling in Bleedoff Cut out old nipple and coupling.
& Vessel Line for PZR Spray Flow Welded in new nipple and coupling.
Control Valve from Loop "1B" Valve Assembly 7/20/85 Reactor Coolant PZR Spray Flow Control Reassembled with new packing and
& Vessel Valve from "1B" Valve bonnet gasket.
Assembly
l Docket No. 50-331 Date 8/14/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE SUM 4ARY FOR SAFETY RELATED EQUIPMENT REPORT MONTH July j
DATE SYSTEM COMPONENT MAINTENANCE ACTION l
l 6/23/85 Reactor Coolant PZR Vent Solenoid Valve Adjusted reed switch.
Lubricated
& Vessel "0"
ring and bolts.
Torqued bolts.
5/8/85 CVCS Letdown Flow Control Installed new plug and seat, Valve Assembly packing, seal ring and seat gasket.
7/2/85 CVCS
~ Letdown Flow Control Added three rings of packir:g and Valve Assembly adjusted.
5/9/85 CVCS RCP Bleedoff Control Tightened actuator nut.
Valve Assembly 6/6/85 CVCS "B" Charging. Pump Discharge Removed and Reinstalled valve.
Relief Valve Thermoned heat trace on valve and associated pipes.
l 6/10/85 CVCS "A" Charging Pump.
Cleaned, lapped, installed new Discharge Relief Valve gaskets.
3/29/85 CVCS Charging Ofscharge Header Replaced stem and wedge.
Containment Drain Valve Repacked.
/
Docket No. 50-331 Date 8/14/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE
SUMMARY
FOR-SAFETY RELATED EQUIPMENT REPORT MONTH July DATE SYSTEM COMPONENT MAINTENANCE ACTION 6/24/85 Boric Acid Suction Pipe from Tank "B" Removed bad splice and J
to Pump "B" Heat Trace installed new splice kit.
Component Added thermon.
6/11/85 Boric Acid Recirc Valve 2-CH-510 and Thermoned on and around valve Piping to Tank "A" Heat 2-CH-510.
Ensured connections Trace Component tight on terminal board.
3/21/85 Boric Acid "B" Boric Acid Pump Replaced pump shaft seal and added oil.
6/25/85 Boric Acid "B" Boric Acid Pump Reset shaft sleeve, added oil and realigned.
3/14/85 Containment Spray CTMT Spray Pump "B" Replaced valve bonnet and valve
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Suction PP-3057 Isolation stem using new flex gasket.
I Valve 5/15/85 Shutdown Cooling Shutdown Cooling Suction Blued wedge and installed new Header CTMT Isolation Valve stem.
Repacked.
J 3/29/85 Sampling PZR Relief Line Flow Lapped, blued and repacked.
4 Control Sample Valve l
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l D:ckst No. 50-331-4 Date 8/14/85 Unit Name Millstone 2 l
Completed By G. Neron Telephone (203).447-1791 Extension 4417 CORRECTIVE MAINTENANCE
SUMMARY
FOR SAFETY RELATED EQUIPMENT REPORT MONTH July a
i DATE SYSTEM COMPONENT MAINTENANCE ACTION 4/22/85 Sampling PZR Relief Line Flow Cleaned, removed seat, cleaned Control Sample Valve threads, machined plug, lapped 4
and blued.
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3/30/85 Sampling Primary Sample System Cleaned, installed new plug, lapped CTMT Isolation Valve and blued.
4/24/85 Sampling Primary Sample System Machined plug, lapped and blued.
CTMT Isolation Valve 3
6/4/85 Containment Structure CTMT Personnel Airlock Replaced two each roller bearings.
6/25/85 Containment Structure TSP Basket Under "C" RCP Added ten bags of TSP.
1 3/14/85 CTMT Post Incident Hydrogen Purge Isolation Cleaned parts, lubricated seat and Hydrogen Control in Containment Control readjusted T-ring.
l Valve Assembly i
6/5/85 CTMT Post Incident Hydrogen Purge Isolation Installed new key.
Hydrogen Control in Enclosure Bldg. Control Valve Assembly.
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6/3/85 CTMT and Enclosure CTMT Purge Return Inside Weld repaired and machined coupling.
Building Purge CTMT Isolation Valve Assy.
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l D:ckst No. 50-331
.Date 8/14/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417.
CORRECTIVE MAINTENANCE
SUMMARY
FOR SAFETY RELATED EQUIPMENT REPORT MONTH July j
DATE SYSTEM COMPONENT MAINTENANCE ACTION 6/26/85 Vital Switchgear 6.9 and 4.16 KV Switchgear Sandblasted and belzona repaired cooler Emergency Cooling Room Cooling Coil heads.
Removed three cooler heads.
Rodded out H.X.
3/26/85 Main Steam Terry Turbine Trip Replaced trip spring.
Throttle Valve Assembly l
l 3/8/05 Main Steam S/G #2 to Terry Turbine Installed new wedge after grinding Steam Supply Valve Assy.
seats, repacked.
6/28/85 Main Steam
.S/G #1 Main Steam Isolation Rebuilt operator.
Valve Air-Operator 6/29/85 Main Steam S/G #1 Main Steam Isolation Added packing to stuffing box and l
. Valve replaced seal ring.
7/5/85 Main Steam S/G #2 MSIV Bypass Valve Cleaned, degreased valve and reassembled Motor with new drive sleeve, bevel gear declutch bushing, limit switch, drive cartridge and gaskets, greased.
l 2/7/85 Main Steam Inlet Isolation to Cleaned parts, installed new stem, 2-MS-265B blued wedge and repacked.
D ck:t No. 50-331 Date 8/14/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE
SUMMARY
FOR SAFETY RELATED EQUIPMENT REPORT MONTH July DATE SYSTEM COMPONENT MAINTENANCE ACTION 4/8/85 Feedwater S/G #1 Aux Feed Supply Cleaned parts, ground seat and disc, Air-Assist Check Valve rebuilt operator.
Assembly.
5/11/85 Feedwater S/G #2 Aux Feed Supply Ground seat, machined disc, rebuilt Air-Assist Check Valve operator, blued and assembled.
Assembly.
5/16/85 Feedwater S/G #2 Main Feed Supply Rebuilt operator, drilled out seven Air-Assist Check Valve studs, machined spacer bushing, blued disc and reassembled.
2/8/85 Service Water "A" SVC Water Pump Hydro-cleaned strainer.
Discharge Strainer Assy.
6/4/85 Service Water "A" SVC Water Pump Assy.
Replaced shaft sleeves, cutlass bearings, impeller and casing wear rings.
5/28/85 Service Water "A" SVC Water Pump Motor Changed bearings and steam cleaned.
1 Motor overhauled.
6/6/85 Service Water "A" SVC Water Discharge Weld Repaired.
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l Docket No. 50-331 Date 8/14/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 l
CORRECTIVE MAINTENANCE SU W RY FOR SAFETY RELATED EQUIPMENT l
REPORT MONTH July DATE SYSTEM COMPONENT MAINTENANCE ACTION 6/13/85 Service Water D/G Heat Exchanger SVC Replaced limit switch.
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Water Isolation Valve Assy.
l 6/15/85 Service Water RBCCW HX "C" Outlet PI Replaced valve.
l Inst. Stop Valve 5/4/85 Service Water "A" RBCCW HX Outlet Replaced rubber seat, shaft bearing, Temperature Control Valve "0"
ring, shaft pins and cleaned Assembly internals.
6/3/85 Service Water Heat Exchangers Discharge Cut window in pipe, weld repaired Header "A" Sample Stop inside of pipe, painted, welded Valve in window and painted window area.
6/20/85 Service Water SVC Water Pump Header X-Tie Repaired solenoid, adjusted open/
Control Valve Assembly shut switch cam and manual operator, tightened manual operator to valve body nuts and bolts.
5/25/85 Service Water SVC Water Pumps (above Weld repaired erosion on pipe ground) Discharge. Pipe flange and painted area.
5/17/85 Service Water RBCCW HX SVC Water Installed new spool piece.
Supply Pipe
D:ckst No. 50-331 Date 8/14/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE
SUMMARY
FOR SAFETY RELATED EQUIPMENT REPORT MONTH July i
DATE SYSTEM COMPONENT MAINTENANCE ACTION 5/17/85 Service Water RBCCW HX SVC Water Ground out defect in internal Supply Pipe eroded area of elbow, weld repaired and painted.
5/24/85 Service Water RBCCW HX SVC Water Removed elbow from pipe system.
Outlet Pipe Installed prefabbed piping W-1 through W-8 between "A" RBCCW HX.0utlet and first elbow downstream of 2-SW-8.1A and winter bypass valve.
5/14/85 Service Water SVC Water Booster Pumps Weld repaired pipe, installed long Supply Pipe sweep 90 elbow, new gasket and cleaned bolting.
l 5/6/85 Service Water Diesel Engine Coolers Ground out defect and weld repaired.
SVC Water Supply Header Painted weld area.
j Pipe 7/16/85 RBCCW Containment Air Recirc.
Replaced defective limit switch.
Cooling "A" RBCCW Emergency Outlet Valve Assembly 6/4/85 Aerated Liquid Containment Sump Discharge Removed foreign material from 4
Radwaste Header Control Valve valve internals and replaced gasket.
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Docket No. 50-331 Date 8/f4/85 Unit'Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE
SUMMARY
FOR SAFETY RELATED EQUIPMENT REPORT MONTH July DATE SYSTEM COMPONENT MAINTENANCE ACTION 6/1/85-Sta. Elec. SVC 4.16 KV 4.16 KV Breaker - Bus 24C Replaced bushings in ML-13 to Bus 24E 4160/480 Mechanism XFMR for 24CI-2 6/13/85 Sta. Elec. SVC 4.16 KV 4.16 KV Breaker - 24A.to Replaced bushings in ML-13 24C Tie 24C-IT-2 Mechanism 5/20/85 Sta. Elec. SVC 4.16 KV 4.16 KV Breaker'- PSA SVC Replaced fuse block back plate.
Water Pump 24C-IT-2 4/10/85 Sta. Elec. SVC 4.16 KV 4.16 KV Breaker.- P9A Aux.
Replaced Sashings and relined Feedwater Pump 24C3-2 chargin.notor.
4/8/85 Sta. Elec. SVC 4.16 KV 4.16 KV Breaker - P41A Changed out bearing bushings HPSI Pump 24C4-4 in ML-13 mechanism.
5/28/85 Sta Elec. SVC 4.16 KV 4.16 KV Breaker - P42A Changed out bearing bushings LPSI Pump 24C5-2 in ML-13 mechanism.
6/5/85 Sta Elec. SVC 4.16 KV 4.16 KV Breaker - Diesel Changed out bearing bushings Generator 15G-12-2 in ML-13 mechanism.
6/5/85 Sta Elec. SVC 4.16 KV 4.16 KV Breaker - Diesel Installed new motor.
Generator 15G-12-2
Docket No. 50-331 i'
Date 8/14/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE
SUMMARY
FOR SAFETY RELATED EQUIPMENT REPORT MONTH July i
l DATE SYSTEM COMPONENT MAINTENANCE ACTION 3/20/85 Sta Elec. SVC 4.16 KV 4.16 KV Breaker - P41C Cleaned ML-13 mechanism and HPSI Pump 24D2-2 replaced tuflock bushings with I
aluminum-bronze bushings.
3/23/85 Sta Elec. SVC 4.16 KV 4.16 KV Breaker - 24D to Cleaned ML-13 mechanism and l
24E Tie 24D-2T-2 replaced all tuflock bushings with new bushings 4/2/85 Sta Elec. SVC 4.16 KV 4.16 KV Breaker - P41B Changed out ML-13 breaker HPSI Pump 24E2-2 bushings l
l 6/4/85 120 V Vital Reg.
Inverter #2 Took out all capacitors, taped all Instrument AC capacitors and changed out old one.
5/17/85 Diesel Generator "A" Emergency Diesel Replaced all six bolts, retorqued lock wire and tapped out holes on turbo deflector plate.
1 5/8/85 Diesel Generator "A" Diesel Generator Installed new pump and motor.
Jacket Cooling Water Pump Assembly.
5/13/85 Reactor Protection Reactor Trip Circuit Cleaned cubicle, greased linkage Breaker #1 through #7 and replaced old breaker with new breaker.
i D:ckst N3. 50-331 Date 8/14/85 Unit Name Millstone 2 Completed By G. Neron Telephone (203) 447-1791 Extension 4417 l
CORRECTIVE MAINTENANCE
SUMMARY
FOR SAFETY RELATED EQUIPMENT REPORT MONTH July DATE SYSTEM COMPONENT MAINTENANCE ACTION 5/13/85 Reactor Protection Reactor Trip Circuit Cleaned cubicle, greased linkage, Breaker #8 replaced old breaker with new t
breaker and replaced auxiliary I
switch.
6/29/85 Reactor' Coolant &
RCS Loop RTD Installed 22 RCS loop RTD's and Vessel verified proper wiring.
Applied EEQ sealant.
I 6/29/85 Reactor Coolant &
RCS Loop 1A to Channel Removed RTD, cleaned well, replaced Vessel "A"
RPS RTD tested, removed, applied never-seize, replaced & tested.
Applied EEQ sealant.
6/29/85 Reactor Coolant &
RCS Loop 1B Cold Leg Removed RTD, cleaned well, installed, Vessel Temperature RTD tested, removed applied never-seize, i
replaced & tested.
Failed RTD.
6/29/85 Reactor Coolant &
RCS Loop 1B Cold Leg Installed new spare RTD, S/N N1236.
Vessel Temperature RTD 6/29/85 Reactor Coolant &
RCS Loop 2B Cold Leg Cleaned, applied never-seize and EEQ Vessel Temperature RTD sealant.
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0:ckst No. 50-331 Date 8/14/85 Unit Name Millstone 2 l
Completed By G. Neron l
Telephone (203) 447-1791 Extension 4417 CORRECTIVE MAINTENANCE
SUMMARY
FOR SAFETY RELATED EQUIPMENT l
REPORT MONTH July i
I DATE SYSTEM COMPONENT MAINTENANCE ACTION l
6/29/85 Reactor Coolant &
RCS Loop 2A Cold Leg Replaced with S/N 1237 and Vessel Temperature RTD applied EEQ sealant.
6/30/85 Service Water SVC Water Pump PSB Readjusted PDC 6481 alarm switch Filter Press Diff Switch recal of pump start switch.
7/1/85 ESAS Automatic Test Inserter Replaced U1 on ATI module.
(ATI Module)
Lin'ar Power Range Drawer Repaired broken wire on operate /
7/4/85 Reactor Protection e
l RPS-C functional switch for lower detector.
7/2/85 Reactor Protection S/G #1 Level-Input to Replaced gasket on high side process RPS/AAFW connection.
Back filled xmitters.
7/16/85 Reactor Protection RPS Soldered broken lead #35 to bottom center post of "AD" matrix trip select switch.
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Docket No. 50-336 Date:
8/14/85 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:
August 1986 3.
Schedule date for restart following refueling: October 1986 4.
Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?
Unknown at this time.
5.
Scheduled date(s) for submitting licensing action and supporting information:
A.
Technical support information for reracking the spent fuel pool was submitted on July 24, 1985 to support a proposed license ammendment.
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 verack the spent fuel pool beginning in October, 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:
1985, Spent Fuel Pool, Full core off load capacity is reached.
1987, Core Full, Spent Fuel Pool contains 648 bundles.
O..o s
NORTHEAST UTIEJTIES
"*"S*'d*"S"**'"*'""-
14 cowcrcur uc e wo ma c="
P.O. BOX 270 E,I
[ cud HARTFORD. CONNECTICUT 06141-0270
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or**st vrures sians ccw-(203) 666-6911 g
g 84G814 ARr 84JCM4A fMetGY cN48sv August 14, 1985 MP-8089 Director, Office of Resource Management U. S. Nuclear Regulatory Commission Washington, D. C. 20555
Reference:
Facility Operating License No. DPR-65 Docket No.50-33t
Dear Sir:
This letter is forwarded to provide the report of operating and shutdown experience relating to Millstone Unit 2 Monthly Operating Report 85-07 in accordance with Appendix A Technical Specifications, Section 6.9.1.3.
One additional copy of the report is enclosed.
Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY hl!
)
W. D. Rombe Station Superintendent Millstone Nuclear Power Station WDR/GN:ck cc:
Director, Office of Inspection and Enforcement, Region I Director, Office of Inspection and Enforcement, Washington, D. C. (10)
U. S. Nuclear Regulatory Commission, c/o Document Management Branch, Washington, D.C. 20555 t
i
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