ML18227A439
| ML18227A439 | |
| Person / Time | |
|---|---|
| Site: | Turkey Point  |
| Issue date: | 02/26/1976 |
| From: | Schmidt A Florida Power & Light Co |
| To: | Moseley N NRC/RGN-II |
| References | |
| PRN-LI-76-33 | |
| Download: ML18227A439 (7) | |
Text
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V.S. NUCLEAA IREGVLATOAYCOMMISSION NRC DISTRII UTION roA PART GQ DOCI(ET MA1 ERIAL DOCKET NUMOf;A FILE NUMOEA XNCXDFHT REPORT lO N.
C. Moseley FROM:Florida Power 6 Light Co Miami, Fla.. 33101 A.D. Schmidt DATL OF DOCUMENT 2-26-76 DATE AECEIVED 3-5-76 LETTFA aP 0
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DESCRIPTION Ltr trans the following ENCLOSV AE Licensee Event Rpt 50'-251-76-2 on 2-14-.76 re Low Leuel in Refueling Water.,Storage Tank r
ACKNOWLEDGED DO NOT REMOVE (1 cy encl.).;("
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Turkey Pt g4 NOTE:
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FLORIDA POWER & LIGHT COMPANY February 26, 1976 PRN-LI-76-33 Mr..Norman C. Moseley, Director, Region II Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission 230 Peachtree
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Dear Mr. Moseley:
REPORTABLE OCCURRENCE 251-76-2 TURKEY POINT UNIT 4 DATE OF OCCURRENCE:
FEBRUARY 14, 1976 LOW LEVEL IN REFUELING WATER STORAGE TANK The'ttached Licensee Event Report is being submitted in accordance with Technical Specification 6.9.2 to provide prompt notification of the subject occurrence.
Very truly yours, A. D. Schmidt Vice President Power Resources MAS/jn Attachment
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cc:
Jack R.
Newman, Esquire Director, Office of Inspection and Enforcement (40)
Director, Office of Management Information and Program Control (3)
HELPING BUILD FLORIDA
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CONTROL BLPCK:
1 LlCENSEE EVENT REPORT SE PRINT AU. REQUIRED INFORIHATIDN)
UCENSEE NAME
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F L
T F
5 4
7'89 14 15 25 LCENSE NUMBER 0
0 0 0
0 0
0 0 0
UCENSE EVENT TYPE TYPE 4
1 1
1
~01 26 30 31 32 REPORT.
REPORT CATEGORY TYPE SOURCE OOCKET NUMBER
~01 OONT~
T
~L 0
5 0 0 2
5 1
7 8
57 58 59 60 T51 68 EVENT OATE AEPORT OATE 0
2 1
4 7
6 0
2 2
6 7
6 69 74 75 80 EVENT OESCRIPTION IOO~j Durin a routine eriodic check performed in accordance with Operating Procedure 7
8 9 80
~0 4 Refu'elin Water Stora e Tank.
The tank was found to.contain 316,800 allons which 7
8 9 80 Concurrent Jog a io 7
8 9 80 Qp 6 with makeup to the tank, a unit shutdown per Administrative Procedure 0103.8 was 7
8 9 80 I
0204.2 a s ecial test a
e was used to determine the actual water level in the 7
8 9 PRME SYSTEM CAUSE COMPONENT COBE COOE.
COMPONENT COOE SUPPUEA
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N 5
T R
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N 7
8 9 10 11 12 17 43 CAUSE OESCRIPTION
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At the time of the occurrence, the control COMPONENT MANUFACTURER B
0' 0
44 47 Y
48 room age read 323,000 gallons.
The gage 80 7
8 9 tOOI is a wide range Baile Ty e PM multi-point indicator gage.
80 The proposed long range 80 7
8.9 FACIUTY STATUS
% POWER
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~10 0
7 8
9 10 12 13 FOAM OF ACTMTY CO@TENT RELEASEO OF RELEASE Pig z
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8 9
10 11 PERSONNEL EXPOSURES NUMBER TYPE OESCAIPTION
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7 8 9 11 12 13 PERSONNEL INJURIES NUMBER OESCAIPTION Q4] ~oo o
7 89 11 12 PROBABLE CONSEQUENCES Qi7s METHOO OF OSCOVEAY OISCOVEAY OESCAIPTION b
Weekly RWST level check 44 45 46 OTHER STATUS NA 80 LOCATION OF RELEASE NA AMOUNT OF ACTIVITY.
NA 44 45 80 NA 80 NA 80 NA 7
89 80
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corrective action includes the installation of a narrow range gage in the Control 7
8 9 LOSS OR OAMAGE TO FACILITY TYPE OESCAIPTION
~z 7
89 10 PUBLICITY 7
89 NA NA 80 80 AOOITIONAL FACTORS
[gg See followin a
e for continuation of Event Description and Cause Description.
7 89 80 7
89 M. A. Scho man PHONE. 305/552-3779 80 GP0 8I51 ~ Eel
Reportable Oocur'rence 251-76-2 Licensee Event Report
.Page Two Event Descri tion continued) initiated.
Approximate'ly one-half hour later, the tank level was within specification.
This is the first Reportable Occurrence related to a non-conservative Refueling Water Storage Tank level.
(251-76-2).
Cause Descri tion (continued)
Room as a backup to the wide range gage, and the installation of an Ashcroft test gage on each RWST as a permanent local backup to the Control Room gages.
If local gages are installed, a program will be developed to provide adequate periodic calibration.
A design review of the RWST level indicating system is being conducted to evaluate the feasibility of the proposed corrective action.
A supplementary report will be submitted if the actual corrective action's different from the proposed corrective action.