ML20214T691
| ML20214T691 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 05/29/1987 |
| From: | Carey J DUQUESNE LIGHT CO. |
| To: | Russell W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| 2NRC-7-151, IEB-85-003, IEB-85-3, NUDOCS 8706100379 | |
| Download: ML20214T691 (4) | |
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2NRC-7-151 (412)393 7546 Beaver Valley No. 2 Unit Project Organization Telecopy (412) 393-7889 Sp)G May 29, 1987 Box 2 Shippingport, PA 15077 United States Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, PA 19406 ATTENTION:
Mr. William T. Russell Administrator
SUBJECT:
Beaver Valley Power Station - Unit No. 2 Docket No. 50-412 I.E.Bulletin 85-03 Motor Operated Valve Common Mode Failures, Interim Report
REFERENCE:
Letter 2NRC-6-090 dated August 15, 1986, J. J. Carey to Dr. T.
E. Murley Gentlemen:
In response to IE Bulletin 85-03, Movats testing and switch setting of IEB 85-03 affected valves has been completed. Attached is an update to the table of affected valves provided in our preliminary report via the referenced letter.
This updated table (Table 1) is provided as an Interim Report.
The Final Report will be submitted following completion of our evaluation of this data and the additional information required by the Bulletin.
This report will be submitted no later than August.3,1987. An extension for filing the Final Report on August 3,1987 was granted by Mr.
L. Tripp on May 19, 1987 via telecon.
DUQUESNE LIGHT COMPANY
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By
_ U? J/Careyv Sr. Vice President DLC/ijr NRC/DLC/CMN/ MODE Att ch nt AR NAR cc: Mr. P. Tam, Project Manager (w/a)
Mr. J. M. Taylor, Director (3) (w/a) l Mr. J. Beall, Sr. Resident Inspector (w/a)
Mr. L. Prividy, tRC Resident Inspector (w/a)
INP0 Records Center (w/a)
NRC Document Control Desk (w/a) l 0706100379 870529 l l PDR ADOCK 05000412 A
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PukIMUM DES 104 IW313 SE.F1ING DIF)ERf.N'IoL D I F F e.Rr.N I I HL CATEGORY 4RLSSURE pHESubRL.
OPLkuTION IVkE
(*)
TOR JL'E SWITCH PSIG TOROUE Sw1TCH VALVE VALVE USIG ON EM ETY
( ALSd be E SETTINGS FRIOR SAFE SETTINUS AFTCR VALVC (1)
OPERATOR (1)
FUNCTION OPEN/CLOSE (2)
S I GNN., (,$ )
(AcLE 2) 10 ADJUSTMENTS DIRECTION MOVATS TESTING r
Comoonent I D.
Manufacturer, NORMM.
MAXIMUM NORMAL MAXIMUM Tag Number.
- Model, CLOSE Manufacturer /Tvoe.
Motor RPM Sire / ANSI Ratino 1.
2CHS*LCV115C. E Limitoroue VCT 1solatzon 200/200 CLOSE C
3 3
60 1.5 3
4-GM 72FB SD-OO-15 WNES/ GATE 3600 2
2
- 1. 0 2
4"/150 2.
2CHS*MOV289 Limitoroue Normal 2750/2750 CLOSE D
2/1
- 1. b
$465 N/A N/A 3-GM78FM SB-OO-15 Charotno WNES/ GATE 3600 Line 3"/15CO Isolation 3.
2CHS*MOV310 Limitoroue Normal 2750/2750 CLOSE.
D 2
2485 N/A N/A 3-GM88FNH 50-00-15 Charoino WNES/ GATE 3600 Line J"/1500 Isolatson 4.
2CHSeMOV275A.B.C Limitoroue Cnaroing 2750/2750 CLOSE L
2.25 3
E485
- 1. 5 3
2-TM78FN Sf*D-OO-10 Pumo t
?
3 Velan/ Globe 17CO Mini-Fire
- 1. 6 3
2"/1500 Isotation 5.
2CHSeMOV373 Limitoroue Charcing 2750/2750 CLOSE D
d.25 2.25 2485 N/A N/A 3-GM78FN SD-OO-15 Pumo WNES/ GATE 3600 Mini-Flcw 3"/1500 Isotatton O
e 9
J T4L F 1 (;on't) bwlrcs e,axIMug DES 104 b561 S SEIIINd D A F F E HE.N I IHL Is IF FE R N i l e4L L641 E60R V PRESSbRd pHESSONE.
OPER4TIGN TYPE (4)
TORtJud SWI e CH PSIG TUROUE SWITCH VALVE VALVE FSIG 04 beW E T Y
( A4.50 SEE SETTINGS PRION SAFE SET T INGS 54F T E R VALVE (1)
OPERATOR (1)
FUNCTION OPEN/CLOSE (2)
SIGNAL ( il IAt<LE 2) 10 ADJUSTMENTS DIRECTION MOVATS TESTING Comoonent ID.
Manufacturer.
NORMAL MAXIMUM NORMAL MAXIMON Tao Number.
Model.
CLOSE Manufacturer /Tvoe.
Motor HPM Stre/ ANSI Ratino 6.
2CHS*MOV380A. B Limitoroue Relief Valve 2750/2750 OPEN E
- 1. 5 E'
2484 1.25 2~
2-TM7P)FNN SMB-OO-10 Rectre.
Velan/ Globe 1700 Path
- 1. 5 2
2"/1500 IsoIataon 7.
2CHS*LCV115B, D Limitoroue E.haroino
&OO/FOO OPE N D
- 2. 5
- 2. b 60 N/A N/A 8-GM72FD SD-OO-15 Piemo Se.ction WNES/ GATE 3600 From 3
3 N/A N/A 8"/150 RWST 8.
2 SIS *MOV867A. B Limitoroue I-oron 2750/700 OpFN C
- 1. 5 /E 1.5/2 e485 1.0 2
3-GM78FN SB-OO-15 In t.
Tank WNES/ GATE 3600 Inlet 1.25 2
3"/1500 Isolation 9.
2 SIS *MOV867C. D Limitoroue Foron 2 7S0/ 7o0 OPEN C
P 2
L485
- 1. d e
3-GM78FN SD-OO-15 Ini. Tank j
WNES/ GATE 3600 Inlet 1.5 2
1.5 2
3*/1500 luolation NOTES:
- 1. Valve and valve operatov-anformation obtained from Westino%ouse crawanos ano soecafications.
- 2. Deston basis ore =,sure differential obtained from Westancho*sse drawanos.
- 3. Safety sional operat ion obt aa ned f rom Svst em Descript ion 2 7-15.
- 4. Catoonrv D valves are limit closed.
Torque Switch a s nc.t wired an control.
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TABLE 2 CATEGORY TYPE Sulm4RY FOR SAFETY-RELATED MDTOR-0PERATED VALVES Category Type Normal Operatton Accident Condition Remarks C
Limit open Torque switches and motor overload Torque Seated are bypassed in safe direction.
- 8ypass limit switch setting based on Westinghouse TQS-C bypassed 55 Valve open and close cutoff by limit Operating Manual of valve travel switch set at 955 valve travel
- TQS-0 bypassed Valve torque seated after limit more than 55 of switch cutoff.
valve travel D
Limit open Torque switches and motor overload TQS-C jumpered out of valve Limit Close are bypassed in safe direction.
close circuit
- TQS-0 bypassed Valve open and close cutoff by limit
- 8ypass limit switch setting more than 55 of switch only - set at 955 of travel based on Westinghouse valve travel E
Limit Open Torque switches and motor overload None Limit Close are bypassed in safe direction TQS-C & TQS-0 Valve open and close cutoff by limit bypassed 55 of switch only - set at 955 of travel valve travel NOTE: TQS-C - Torque Switch-Close TQS Torque Switch-Open