L-86-373, Forwards Aug 1986 Progress Summary of Select Sys Assessment
| ML20215J320 | |
| Person / Time | |
|---|---|
| Site: | Turkey Point  |
| Issue date: | 09/12/1986 |
| From: | Woody C FLORIDA POWER & LIGHT CO. |
| To: | Grace J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| L-86-373, NUDOCS 8610240390 | |
| Download: ML20215J320 (4) | |
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FLORIDA POWER & LIGHT COMPANY e
SEPTEMBER 131966 L-86-373 Dr. J. Nelson Grace Regional Administrator, Region 11 U. S. Nuclear Regulatory Commission 101 Marietta St., N.W., Suite 2900 Atlanta, GA 30323
Dear Dr. Grace:
Re: Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-2$1 Select System Assessment Progress Summary Attached please find the August 1986 progress summary of the Select System Assessment.
If you have any questions regarding this information, please contact us.
Very truly yours, C. O. Woody Group Vice P sident Nuclear Energy COW /SAV/gp Attachment cc:
Harold F. Reis, Esq.
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V Nj SELECT SYSTEM ASSESSMENT AUGUST 1986 PRDCRESS Reconstitution of Design Basis Development, review and concurrence of draft reconstituted design bases continue on schedule.
A total of 29,558 can-hours have been expended on the reconstitution of design basis effort.
Walkdowns Compilation, evaluation and correction to walkdown discrepancies con-tinues.
A total of 19,462 man-hours have been expended on the walkdown effort.
Confizuration Management Evaluation of procedures and other organizational resp >nsibilities continues.
A total of 371 man-hours have been expended en the config-uration management effort.
Punch List A total of 39,441 man-hours have been expended on punch list items.
Significant items completed during this period by system, are listed below:
o Auxiliary Feedwater System Removed nitrogen bottle station d2.
o Emergency Filters None o Emergency Containment Coolers Reviewed vendor technical manuals for parts storage requirements where appropriate.
Evaluated debris in System for reportability under the requirements of 10 CFR Part 21.
Performed procedure review and upgrade.
o Emergency Power
- Confirmed sufficient controls (log readings & e qu ipr.ent tags) to ensure proper governor settings.
Evaluated IE notice 85-91 on possible load sequence by pass
- ausing less of I?C.
Reviewed the usage of 3-way t he rmo s t a t s fer EEG cooline temperature control against NUREG CR-0660.
Evaluated remote shutdown with auto-start signal present in F0E 83-125.
Evaluated operability with cooling system temperature higher than normal - NIR 85-24-06.
Reviewed immersion heater operation for meeting design intent.
o Containment Isolation None o Containment Spray None
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o Residual Heat Removal Completed addition of RHR status alarm.
Evaluated addition of spool piece to pump shaft.
- Confirmed proper isolation between different classes of piping between RHR & RWST.
Approved RHR room fire protection suf ficiency.
Reviewed hea't exchanger capability.
Closed NCR on heat exchanger gaskets.
Closed UCR on 4B pump miscellaneous problems.
o Main Steam Isolation
- MSIV power supply separation cc-f: rmed cc plete.
- 'Jerified as-tuilt concition.
Determined design criteri:.
- Determined functional design basit.
- Evaluated design to 10 CFR Part 21 reportability requirements.
Performed valve testing analysis.
- Provided IST criteria.
K-T analysis.
Addressed seismic qualification of MSIV Operator.
Evaluated need for reduced orifice size calculation.
Reviewed PC/Ms.
Evaluated need for reduced orifices.
Confirmed MSIV closing solenoid chack valve mods complete Confirmed MSIV/MSCV hinge pin cover spacer mods complete.
Closed NCR on MSIV 4B bonnet nut.
o Intake Cooling Water Reviewed shaft coupli.ng Purchase Orders and test data.
Closed concern on air supply to pump discharge check valve.
Evaluated orifice / valve sizing.
Evaluated air closing cylinder check valve.
Provided minor repair criteria.
Pump shaft coupling failure report closed.
Evaluated need for coupling hardness checks.
Evaluated larger TPCW heat exchangers.
Confirmed control roo=
temperature indication for inlet temperature.
Closed varicus housekeeping its.
Confirmed ability to evaluate ICW : low against pump curves.
Closed various walkdowr. NCRs.
o Component Cooling Water Performed 10 CFR Part 21 evaluation for surge tank over pressurization potential.
Con fi rme d CC'a' pump performance teating.
Closed various walkdown NCRs.
o Reactor Protection System Updated inadvertent reactor trip findings.
LER 86-2 submitted.
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A o Safety Injection System HHSI cump flow verification.
Evaluated accumulator pressure relief valves.
Reviewed pump vibration.
Reviewed pump rotor bar concern.
- Confirmed program for pump performance tracking.
- Reviewed concern on SI line outside containment.
MOV 872 setpoint change.
Reviewed technical manuals for storage requirements.
Closed various NCRs.
o Vital Power Vital inverter synchronizing mod implemented.
- Addressed 50 R S3-3 item 8 inverter DC input breaker setpoints.
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-.4ddressec La:teev a reter requirements.
- Reviewed gr:und detection methodology.
- Perfctmed battery discharge test.
Performed in'erter inspection by SCI.
Addressed SOER 83-3 item 2 capacitor storage.
Evaluated inverter CVT transfer switch for reportability under 10 CFR Part 21.
o Chemical and Volume Control Evaluated modifications to CCPs.
Agitator installed in BABT.
- Modified BA transfer pump drains.
Reviewed heat tracing contribution to corrosion.
BA evaporator pump upgrade.
Performed various piping support modifications.
FT-3-110 modification.
Initiated system procedure upgrades.
Closed various NCRs.
Initiated system drawing upgrades.
o Instrument Air Initiated upgrade of system procedures.
Initiated upgrade of system drawings.
Procured closed chamber instrument alternate for testing.
Reviewed air receiver inlet piping for adequacy.
Reviewed 3 6 3S suction line routing.
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Reviewed neid for add;tional dryer package.
Reviewed 4S :.mpresser over current condition.
Reviewed need for compressor cooling water system.
Feviewed need for high air pressure alarm switch.
Reviewed location of compressor reulator.
Reviewed for low point water trap.
Added two cyclone filters.
Reviewed eme ;ency IA connection.
4S cempressor pulley mods.
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