ML19308D725
| ML19308D725 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 01/02/1973 |
| From: | Rodgers J FLORIDA POWER CORP. |
| To: | Jennifer Davis US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| IEB-72-03, IEB-72-3, NUDOCS 8003120879 | |
| Download: ML19308D725 (3) | |
Text
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Florida P..o..w. u. a -
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January 2,1973 Mr. John G. Davis Director U.S. Atomic Energy Commission Directorate of Regulatory Operations Region 2, Suite 818 230 Peachtree Street N.W.
f.
Atlanta, Georgia 30303
Subject:
DRO Bulletin No. 72-3 "Limitorque Valve Operator Failures"
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RO: II:50-302
Dear Mr. Davis:
In accordance with your letter of December 4,1972, regarding the numbers and systems utilizing Limitorque Model SM800 and SMB-000 operators, the following information is submitted.
Florida Power Corporation Crystal River Unit $3 has installed or is in the process of installing 17 Model SMB 00, 61 Model SMB-000 and 12 models un-identified at this time for a total of 78 known operators of this type and a possibility of 90. All of these valves are in the category of early to mid 1971 vintage valves. Specifically, the valves and systems are as follows:
System No.of SMB 00 f.'o.of SMB 000 Total Auxiliary Steam (AS) 1 1
Building Spray (BS) 2 4
6 Chemical Addition (CA) 5 5
Core Flood System (CF) 4 4
Condensate Polishing System (CX)~
12 12 Decay Heat System (DH) 6 6
Demineralized Water System (DW) 2 2
Emergency Feedwater System (EF) 4 4
Main Steam System (MS) 2 6
8 p)-
Makeup System (MU) 10 9
19 Reactor Coolant System (RC) 1 2
2 4
iV Waste Disposal System (WD) 7 7
Totals 17 61 78 8003120 N k
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Mr. John G. Davis January 2,1973 Limitorque Division of Philadelphia Gear was notified by mai' requesting that corrective action be taken as soon as possible and that Florida Power Corporation be notified of the action to be taken and the time required to complete the action. Limitorque has requested that we supply them with a tabulation of the units involved so that they can supply re-placement torque switches which will be installed on-site upon receipt.
This replacemer' program may take from several months up to a year, depending upon ).tailability of replacement units.
Very truly.yours,
I-
- fL42 J. T.
odgers
'f Asst. Vice Presicent JTR/fw N
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i Letter from Florida Powcr Corporation, J. T. Rodgers, dated January 2, 1973.
DISTRIBUTION:
MAR 6 1973 M / J. B. Henderson, RO i
J. G. Keppler,'R0 RO:HQ (4)
Directorate of Licensing (4)
I DR Central Files PDR Local PDR NSIC OIS, OR l
State 4
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