L-92-048, Requests 72 H Temp Waiver of Compliance W/Ts 3.6.1.3, Containment Air Locks. Inner Air Locks Door Satisfactorily Vacuum Tested & Administrative Control of Door Positions Will Be Maintained by Dedicated Operator
| ML17348B463 | |
| Person / Time | |
|---|---|
| Site: | Turkey Point  |
| Issue date: | 02/19/1992 |
| From: | Plunkett T FLORIDA POWER & LIGHT CO. |
| To: | Ebneter S NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| L-92-048, L-92-48, NUDOCS 9204210062 | |
| Download: ML17348B463 (4) | |
Text
ACCELERATED D TRIBUTION DEMONS TION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)
ACCESSION NBR:9204210062 DOC.DATE: 92/02/19 NOTARIZED:
NO DOCKET FACIL:50-250 Turkey Point Plant, Unit 3, Florida Power and Light C 05000250 AUTH.NAME AUTHOR AFFILIATION PLUNKETT,T.F Florida Power
& Light Co.
RECIP.NAME
.'ECIPIENT AFFILIATION EBNETER,S.D.
Region 2 (Post 820201)
SUBJECT:
Requests 72 h temp waiver of compliance w/TS 3.6.1.3, "Containment Air Locks." Inner axr locks door satisfactorily vacuum tested
& administrative control of door positions will be maintained by dedicated operator.
DISTRIBUTION CODE:
IE01D COPIES RECEIVED:LTR ENCL t SIZE:
TITLE: General (50 Dkt)-Insp Rept/Notice of Violation Response D
NOTES:NRR RAGHAVAN,L
.-RECIPIENT ID CODE/NAME PD2-2 PD INTERNAL AEOD AEOD/DSP/TPAB NRR MORISSEAU,D NRR/DLPQ/LPEB10 NRR/DREP/PEPB9H NRR/PMAS/ILRB12 OE D
R G=FXTE 02 EXTERNAL EG&G/BRYCEfJ
~ H ~
SIC NOTES:
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1 RECIPIENT ID CODE/NAME AULUCK,R AEOD/DEIIB DEDRO NRR/DLPQ/LHFBPT NRR/DOEA/OEAB NRR/DST/DIR 8E2 NUDOCS-ABSTRACT OGC/HDS3 RGN2 FILE 01 NRC PDR COPIES LTTR ENCL 1
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05000250 A
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NOTE TO ALL"RIDS" RECIPIENTS A
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PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM P I-37 (EXT. 20079) TO ELIMINATEYOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!
TOTAL NUMBER OF COPIES REQUIRED:
LTTR 22 ENCL 22
P.O. Sax 029100, Miami, FL, 33102-9100 FPL Stewart D. Ebneter Regional Administrator, Region II U. S. Nuclear Regulatory Commission 101 Marietta St.,
N.W., Suite 2900
- Atlanta, GA 30323 L-92-04$ )
a9:
FEB 19 1982.
Mr. Stewart D. Ebneter:
Re:
Turkey Point Unit 3 Docket No. 50-250 Operation During Interlock Tem ora Waiver of Com liance Repair of the Emergency Escape Hatch This letter documents Florida Power and Light's request of Region II for a
72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> temporary waiver of compliance with Technical Specification 3.6.1.3, "Containment Air Locks," Action statement I
"With the containment air lock inoperable, except as the result of an inoperable air lock door, maintain at least one airlock door closed; restore
=the 'inoperable air lock. to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or be in HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
Since the inner air lock door has been satisfactorily vacuum tested and administrative control of the door positions will be maintained by a dedicated
- operator,
.no significant safety hazards or environmental impacts exist.
On February 18, 1992 during the performance of 3-0SP-051.6, "Containment Air Lock Doors Operability Test" on the Unit 3
emergency escape
- hatch, personnel performing the test were able to break the seal on the inner door during an attempt to force open the inner door with the outside door closed and the interlocks set to open the outer door.
The door could not be freely opened but an apparent leak path could be created.
When the, interlocks operate
~ as designed the inner door can not be opened with the interlocks set for the outer door to open.
The interlocks were not considered functional and therefore the containment emergency air lock was considered inoperable due to a cause other than an inoperable air lock door.
Unit 3 then entered the above action statement at 1312 hours0.0152 days <br />0.364 hours <br />0.00217 weeks <br />4.99216e-4 months <br /> and repair of the interlocks began.
Current repair efforts of the interlocks have been partially successful.
Complete repair or replacement of the interlock system is expected to be completed within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
A representative of the Chicago Bridge and Iron Corporation, manufacturer of emergency hatch systems, has been asked to come to
'M04210062 920219 PDR ADOCK 05000250 PDR 1p< 0rnup cnnrpnny
. the site to aid in the repair of the cam interlock system.
Currently both the inner and outer doors are closed except during the repair effort.
A vacuum test of the inner door was performed to verify the integrity of the inner door seal.
The surveillance requirements of 4.6.1.3.c.
state:
"At least once per 6 months by verifying that only one door in each air lock can
. be opened at a time."
Since the interlock between the inner and outer doors failed and is considered inoperable, therefore Technical Specification 3.6.1.3 is not met.
Draft NUREG
- 1431, WOG Merits Program Phase III, Standardized
.Technical Specifications for Westinghouse Plants provides an Action statement which allows for the locking of doors and 31 days for repair with an air lock door interlock mechanism inoperable in one or more air-locks as" long as an operable door is closed.
The WOG Merits also permits entry and exit into containment.under the control of a dedicated operator.
Until the air lock is repaired, a dedicated individual will be stationed at the emergency air lock to ensure that only one door is opened at a time an'd that the door does not remain open any 1'onger than is required.
This request has been reviewed by the Plant Nuclear Safety Committee and approved by the Plant General Manger.
This administrative control of the position of the doors is in place.
If you have any questions concerning this issue please contact us.
Very truly yours, T. F. Plunkett Vice President Turkey Point Nuclear TFP/JEK/jek CC:
Document Control Desk, USNRC Raj Auluck, Project
- USNRC, Turkey Point Plant