ML20028A518
| ML20028A518 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 11/05/1982 |
| From: | Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | Sternberg D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, ANPP-22216-GHD, DER-80-30, IEB-81-02, IEB-81-2, NUDOCS 8211220256 | |
| Download: ML20028A518 (24) | |
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.--.-.--e Docket Nos. 50-528/529/530 50.55 (e) Report Arizona Public Service Company P.O. BOX 21666 . PHOEN!X. ARIZONA 85036 November 5, 1982 ANPP-22216-GHD/BSK U. S. Nuclear Regulatory Commission Region V ,
Creekside Oaks Office Park 1450 Maria Lane - Suite 210 Walnut Creek, California 94596-5368 Attention: Mr. D. M. Sternberg, Chief Reactor Projects Branch 1
Subject:
Final Report - Revision 1 - DER 80-30 A 50.55(e) Report Relating to Borg-Warner 3", 1500f, Motor-Operated Gate Valve failure To Close Under Operating Conditions Per NRC I&E Bulletin No. 81-02 File: 82-019-026; D.4.33.2
Reference:
(A) ANPP-16653 dated October 31, 1980 (Final Report)
Dear Sir:
Attached is our revised Final Report of the deficiency referenced above, which has been re-evaluated as Not Reportable under thc requirements of 10CFR50.55(e). Very truly ours.- Q
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- [Lll GLLL P E. E. Van Brunt, Jr.
APS Vice President, Nuclear Projects
.ANPP Project Director EEVB/ Gild:wp j Attachment l
cc: See Attached Page 2 4 i t l i 8211220256 821105 , PDR ADOCK 05000528
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U. S. Nuclear Regulatory Commission November 5, 1982 Attention: Mr. D. M. Sternberg, Chief ANPP-22216-CHD/BSK Page 2 cc: Richard DeYoung, Director Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 T. G. Woods, Jr. J. A. Roedel D. B. Fasnacht G. C. Andognini i A. C. Rogers j B. S. Kaplan W. E. Ide J. Vorees , J. A. Brand A. C. Gehr W. J. Stubblefield W. G. Bingham R. L. Patterson R. W. Welcher R. M. Grant , D. R. Hawkinson L. E. Vorderbrueggen G. A. Fiorelli Lynne Bernabei, Esq.
- Harmon & TJeiss 1725 "I" Street, NW Suite 506 Washington, D. C. 20006 R. L. Greenfield Assistant Attorney General Bataan Memorial Building Santa Fe, New Mexico 87503
i . 5 i FINAL REPORT - REVISION 1 - DER 80-30 DEFICIENCY EVALUATION 50.55(e) ARIZONA PUBLIC SERVICE COMPANY (APS) PVNGS UNITS 1 & 2 I I I. DESCRIPTION OF DEFICIENCY
- During testing in November, 1979 at Duke Power, a Borg Warner '3",
1500f motor operated gate valve failed to completely close when I actuated under operating conditions.of 2485 psi at 650' F. with'a ! flow rate of 220,000 lbs. per hour of steam. Testing by Duke Power in conjunction with Borg Warner, Nuclear Valve Division, determined the potential failure to be inadequate guiding of the valve gate. i Borg Warner filed a 10CFR Part 21 Notification Report with the NRC on February 16, 1980 covering thi1 condition. Supplemental testing was performed by Borg Warner in response to the corresponding NRC I I&E Bulletin 81-02. The results of the test demonstrated that the ' valve assembly as delivered to Palo Verde successfully passed the flow interruption tests, resulting in zero leakage /5 minutes in the I normal flow direction; the valve fully closed after the test conditions. II. ANALYSIS OF SAFETY IMPLICATIONS i . This condition has been re-evaluated as not reportable based on the
- results of the attached supplemental flow interruption test (s). If l left undetected and uncorrected, this condition would not have
{ represented a safety significant condition. III. CORRECTIVE ACTION
- Monconformance Report P-A-K43 has been dispositioned Use-As-Is.
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* C-E P;wer Systems RI 203/688-1911
' Combustion Engineenng. ;ne Telex 99297
( 1000 Prospect Hill Road W 1sor. Connecticut o6095 o/"EE! POWER aTuEiSYSTEMS wp June 11, 1981 "# V-CE-14544 '" M* E -
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Mr. E. E. Van Brunt, Jr. 4 # *" -- Arizona Nuclear Power Project ~~ A ,Q-$4.'
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P. O. Box 21666 Ime Phoenix, Arizona 85036 gl yl'.
Subject:
NRC I&E Bulletin 02, Failure of Gate Type Z Valves to Close Against Differential Pressure Z a - File: D.4.01.1; 81-001-419.1 -E> M Z 7
Reference:
ANPP-17796-JMA/NEM, April 16, 1981 $k i.e
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Enclosure:
Report #1843, Rev. A, Flow Interruption Test .; -$5m. T for P/N 77910, Valves, Borg-Warner-NVD .
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Dear Mr. Van Brunt:
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" u y-The referenced letter forwarded a copy of the subject bulletin to Se in.ei-
{, requesting information on any valves in the C-E scope of supply. There are two valves per unit associated with this bulletin; SI-604 and l SI-609. These are motor operated valves supplied by Borg-Warner, NVD P/N 77910. The bulletin stated that supplemental testing to determine threshold differential pressures for less severe service had yet to be done. Borg-Narner submitted a 10CFR21 report indicating facilities where the valves had failed to fully close. The enclosure is the supplemental test report results which was prepared by Borg-Warner in response to the bulletin. Please note that Borg-Warner Valve F/N 7791C is the same as P/N 79190, except for the weld preparation. The actual tests were conducted on the 79190 valve by AETL. Their report 548-9142 dated May 8, 1981, is also attached. The resu'Its of the test conducted in response to the concerns raised in the I bulletin demonstrated that the valve assembly successfully passed the flow interruption tests, resulting in zero leakage /5 minutes in the nonnal flow direction; the valve fully closed after the test conditions. Please contact me, if you have any questions. Very truly your , l I C. Ferguson Project Manager CF/es Enclosures cc: F. W. Hartley - w/e R. H. Holm S. N. Mager W. H. Wilson W. L. MacDonald D. B. Amerine W. G. Bingham - w/e G. A. Butterworth G.C.pndognini
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~., . .' ~ ' ' ' ' Nuclear Valve Division muse Ecwyy REPORT NO. 1843 Equipenent
( PAGE 1 of 4 sergnerner corporei.on
, noo Tyrone Aw Van Nm Cal,fornia 91409
[- -. -. . - . .. . RE V 4 3 2 5- f/ FLOW INTERRUPTION TEST FOR
. PART NO. 77910 SUPPLIED 10 COMBUSTION ENGINEERING, INC.
ARIZONA NUCLEAR F0WER PROJECT PA).O VERDE NUCLEAR' GENERATING STATION SPECIFICATION NO. 14273-PE-705 - Prepared by p*' B. A. Patel ~ Project Engineer 7 3
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Approved by: C. B A7 C. Braley Manager, Design Engineering Approved by: -
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- 1843 REPORT NO.
NuclearValve Div.ision . PAGE 1.1 1
. m & Energy
. Equpment REVISION _
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5/18 X Seat Leakage Test Results B Attachment 1 X ,AETL Report No. 548-9142 B hs_ -
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' p 2 of 4 SotD.Watner Corporaten ya yy,one Aw., van Nuys, Caldorn 916 1.0 PURPOSE ~
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1.1 To demonstrate that the valve will perform satisfactorily i when subjected to flow interruption.
2.0 REFERENCES
2.1 ' Combustion Engineering Specification No. 14273-PE-705. 2.2 ASME Boiler and Pressure Vessel Code Section III, 1974 Edition. 2.3 MS5-SP Hydrostatic testing of steel yalves. 2.4 NVD P/N 79190 identical to 77910 except weld prep. , Actual test will be conducted on P/N 79190. 3.0 TEST EQUIPHENT REQUIRED _ , 3.1 High flow water system ref. para. 6.1.1. 4.0 PRETEST RE0ijIREMENTS l[ K. l ! . 4.1 Test valve shall have gate visually examined through valve ports. Any evidence of defects shall be noted. 4.2 Test valve shall be tested per applicable acceptance test procedure. 4.3 Required pipe connections with adapter ends shall be attached to valve prior to start of test. , 4.4 A photograph of each test setup shall be taken and is to be included as part of test report. 5.0 POST TEST REQUIREMENTS 5.1 After completion of all tests, valve shall be tested per appli-cable acceptance test procedure. . 5.2 Valve gate shall be visually examined through valve ports for any evidence of galling. M
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. y;,./ . . - . n-Engy REPORT NO. 1843 i pw i. Eevapment 3 of 4 /? I I (duclear Valvo Division PAGE soro.weener.corporenon 7500 Tyrone Ave Ven Nuys.Californis 91409 i 1
TEST DUTLINE hI .6.0 , i 6.1 Valve Leakage Test and Cycle Test These tests will be performed as part of standard valve
acceptance test procedure.
Flow Interruption Capability Tests
'i ' 6.2
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6.2.1 Test valve flow requirements are listed in the following table: y,19 Inlet or Flow . Closefine Head Press (GPM) (See) Max __ (PSI) ' 600 70 2500 l 6.2.2 Install valve in a test system capable of meeting the flow and pressure requirements specified in para. 6.2.1.- Instrumentation required to simultaneously record upstream , total pressure and downstream static pressure (ref. Figure 1). 6.2.3 Downstream end of valve shall discharge to atmosphere or l suitable low pressure receiver. 6.2.4a Start with valve in full open position.and close valve. ! During the closing cycle, flow through the valve shall at least equal that noted in para. 6.2.1 with the differential pressure increasing to the value noted.- 6.2.4b Stsrt with valve in full close position and open the valve. , flow (Valve must be full open). During the opening cycle, through the valve shall at least equal that noted in para. 6.2.1 with the differential pressure increasing to the value noted. 6.2.5 Following completion of flow test, check valve leakage per applicable acceptance test procedure. 6.2.6 The above test shall be performed a total of 3 closing and opening cycles. . W
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ATTACHHCNT 1 ' ND. 1R4 3 - 1 ATTACHMENT TD RCPORT ' RESULTS Or FLOW INTERRUPTIDN TEST _ TVA Tag No. _- 79190 _ NVD Part No. _ 25709 _. Description }" Gate t/alve Serial No. ' Seat Leakage Test Pressure , 2500-2550 _ psig. , i I i
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FLOW
. PRESSURE Opening TEST Opening Closing Closing ~
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////dfja/3 Test Performed by:
Witnessed by: _ - g fr# P & -J'/ l PH010 GRAPH Of ALL SCTUPS ON NEXT PAGE l .
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kTTACHMEliTTOTRANSMITTAL . b.- h eat On Attachment 1 of Report 1843 it is noted that ti e s nd that it is 200 CC/5 minutes in the reverse f lly direction.Ic It should be noted that the valve assembly has success u passed the flow interruption test since the specimen l tion perform its required function in the required time and upon comp e of the test demonstrated The increased 0 leakage inthe leakage in thereverse direction ih the valve was' flow tested. te. direction caused a slight scratch on the upstream side of the gamedia is the result of debris in the test hich wh c Examination of the gate reveals a single linear scra under flow. [~ I~.. I e l l W
F - .- . . . . - . , . . . . cs ,_, Report N3. 548-9142 APPROVED ENGINEERING TEST LABORATORIES i a unio ~at uc-~icat se avices co. P.O. No. 46085-4481 Date: 8 May 1981' Report Number 548-9142 Flow Interruption Test on Gate Valve Assembly - w , ifs Part Number: 79190 Serial Numbers: 25709 TESTED FOR: BORG-WARNER CORPORATION Nuclear Valve Division , 7500 Tyrone Avenue Van Nuys, CA 91409 TESTED BY: APPROVED ENGINEERING TEST LABORATORIES
- 9551 Canoga Avenue Chatsworth, CA 91311 (213) 341-0830
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Report No. 548-9142 pg ti APPADVID ENGINEERING TEST LARORATORIES A NATBON AL TECHNIC AL SEnvlCES CO. AETL , {. , APPR0VALS e Written By: M Date: [M /78[ PUBLICATIONF, Nancy Hickok p Approved By: - Date: 5-N \ - % \
- PROJECT MANAGER, David Bame Approved By: Date: I' ~
QUALITY CONTROL MANAGER, Howard E. Clark e
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' , pg tii APPROVED ENGINEERING TEST LABORATORIES
. A NAf eONAL TECHNoCAL SCmveCES CO.
.. . AETL .
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TABLE OF CONTENTS Section _ Description Page No. Approvals . . . . . . . . . . . . . . . . . . . . . . 11 Table of Contents . . . . . . . . . . . . . . . . . . 111 1.0 PURPOSE . . . . . . . . . . . . . . . . . . . . . . . ' 1
2.0 REFERENCES
. . . . . . . . . . . . . . . . . . . . . . 1 3.0
SUMMARY
. . . . . . . . . . . . . . . . . . . . . . . 1 5 4.0 t'v .
TEST CONDITIONS AND TEST EQUIPMENT. . . . . . . . . . 2 4.1 Test Conditions . . . . . . . . . . . . . . . . . . 2 4.2 Test Equipment . . . . ............... 2 5.0 TEST PROCEDURE AND TEST RESULTS . . . . . . . . . .'. 3 5.1 Flow Interruption Test ............... 3 Photograph 1 Flow Interruption Test Setup . . . . . . . . . . 5
. APPENDIX Test Equipment List .............. 6 l
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( , u i.ount ncwmca'stav'cE5 co-AETL e f 1.0 PURPOSE The purpose of this report is to present the test procedure used The objec-and the test results obtained during a test program. l
'- tive of the test program was to determine the conformance of One (1) Gate Valve Assembly, Part Number 79190 (Serial Number 25709), to the Flow Interruption Test requirement specified in References 2.1 and 2.2, in accordance with Reference 2.3.
2.0 R'EFERENCES 2.1 Borg Warner Corp., Nuclear Valve Division, Report No.1836, titled " Flow Interruption Test for Part No. 79190, Supplied to - Tennessee Valley Authority Bellefonte Nuclear Plant Units 1- ' and 2," dated 9 February 1981. 2.2 Borg Warner Corp., Nuclear Valve Division, Report No. 1843
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Revision A, titled " Flow Interruption Test for Part No. 77910, p- Supplied to Combustion Engineering, Inc. Arizona Nuclear Power Project, Palo Verde Nuclear Generating Station", dated ( 25 March 1981. 2,3 Borg Warner Corporation, Purchase Order No. 46085-4481. i 3.0
SUMMARY
3.1 One (1) Gate Valve Assembly, described in Paragraph 1.0 and hereafter referred to as " Specimen," has been subjected to Flow Interruption Testing as described in this report. During the final test cycle, the Specimen indicator plate retainingThe nuts loosened plate causing the plate to make contact with the eyebolts. was slightly bent as a result of the impact. All other results conformed to the specification requirements and no further adverse effects were noted. 3.2 All results are presented for evaluation. t M
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Report No. 548-9142 pg 2
,. APPROVED ENGINEERING TEST LABORATORIES A N AteON AL TE CHN6C AL SE nver.ES CO.
/kETL -
i tt , 4.0 TEST CONDITIONS AND TEST EQUIPMENT . 4.1 Test conditions Unless otherwise specified herein, all tests were performed at room ambient conditions: defined as a temperature of 73 tl8*F (23 110'C), a relative humidity of 50 130 percent, and a baro-metric pressure of 28.5 +2.0, -3.0 inches of mercury absolute (725 +50, -75 mm of mercury absolute). 4.2 Test Equipment The test equipment presented it. the Appendix was calibrated, as required, in accordance with MIL-C-45662A and is traceable to the National Bureau of Standards (NBS). The NBS traceability records
, are maintained on file in the AETL Quality Control Office.
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5.1 Flow Interruption Test References 2.1 and 2.2, Paragraph 6.2 Date Commenced: 6 April 1981 Date Completed: 28 April 1981 5.1.1 The Specimen was installed in the pressure flow test system as shown in Photograph 1. Instrumentation was installed to simul-taneously record upstream total pressure and downstream static pressure. The downstream end of the valve was discharged to the atmosphere in a suitable receiving chamber. 5.1.2 Prior to each test cycle, the test system was hydrostatically pressurized to 2900 psi and held for a period of 15 minutes. The test system was then inspected for leakage and repairs were made as necessary. ,
,e- 5.1.3 The Specimen was cycled from full open to full closed to full l
j, open without pressure or flow to time the Specimen stroke. The Specimen close time was recorded at 15 seconds. The Specimen and i test system were inspected for leakage or damage. No discrepancies were noted. l 5.1.4 The Specimen was then cycled from full open to full closed to I
. full open with the inlet pressure maintained at a minimum of 2500 psi. Water was flowed through the Specimen by opening an AETL valve downstream and regulation of the flow was achieved by installing an orifice between the Specimen and the AETL valve.
Each full open to full closed cycle was 15 seconds in duration. During the closing cycle, the flow rate did not meet the specification requirement of 600 gpm minimum. The customer was notified and determined that the three runs partially satisfied the test requirement specified in Reference 2.1, Paragraph 6.2.4(b). 5.1. 5 The test system was modified to meet the minimum flow requirement. Three full open to full closed test cycles were completed at a minimum flow rate of 600 gpm, and while maintaining the pressure above 2500 psi. Each Specimen open to close cycle lasted for a period of 15 seconds. These three runs satisfied the test requirement specified in Reference 2.1, Paragraph 6.2.4 and in Reference 2.2, Paragraph 6.2.4(a). W
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Report No. 548-9142 pg 4 . APPROVED ENGINEERING TEST LABOR ATORIEs A N A180N AL TECHNIC AL SEnveCES CO. WLETL 5.1.6 The Specimen was subjected to three additional test runs from the fully closed position to the off seat position until flow was established. The pressure was maintained at a minimum of 2675 psi. The completion of these test cycles fully satisfied the test requirement specified in Reference 2.2, Paragraph 6.2.4(b). The qualification requirements for Part No. 77910 were also satisfied on completion of Flow Interruption Testing. 5.1. [ Following each test cycle, the Specimen was inspected for any discrepancies that may have occurred during testing. During the last test cycle, the indicator plate retaining nuts on the Specimen had loosened causing the plate to make contact with the eyebolts. T.he plate was slightly bent as a result, but no significant damage or discrepancies were reported. No further adverse effects were detected during testing. This concluded testing and the Specimen was returned to Borg Warner, Nuclear Valve Division. t em 8
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REPORT NO. 548-9142 pg 5 - PHOTOGRAPH I FL0tt INTERRUPTION TEST SETUP AETL i
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', APPROVED ENGINEERING TEST LABORATORIES A NATIONAL TECHNsCAL SEnvlCES CO.
AETL AETL Number E1126V Instrument Digital Multimeter Manufacturer Valhalla Scientific Model Number 4440 4 Serial Number 7-3347 Calibration 6 months (cal due 9-28-81) Range and Accuracy 0 to 500 volts AC in 5 ranges; 0 to 1000 volts DC in 5 ranges; AC volts, t0.25% of range; DC volts, 10.05% of range. . AETL Number E1162V instrument Oscillograph, 24 channel Manufacturer Heiland Div., Honeywell Model Number 1108-206780HK - Serial Number 11-630 Calibration Prior to test Type 8-inch / direct writing . Chart Speed 0.05-40 in./sec. in 12 steps - f s_ AETL Number E13535 Instrument Signal Conditioner ' Manufacturer Calico
. Model Number ~X1101 Serial Number None Calibration Prior to test Type Bridge AETL Number Unknown Instrument Pressure Transducer ' ~
Manufacturer Teledyne . ., Model Number 206-NA Serial Number None Calibration Prior to test l Range 0 to 3000 psi n
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Report No. 548-9142 pg, 7__ i
. APPROVED ENGINEERING TEST LABORATORIES . l a harioet tscamcat stavoces co.
AETL. (- -
. AETL Number P1087V Instrument Pressure Gauge Manufacturer Ashcroft Model Number Maxisafe
. Serial Number None Calibration For indication only Range and Accuracy 0 to 3000 psig; 10.5%
AETL Number P1157V Instrument Pressure Gauge Manufacturer - Ashcroft Model. Number 1082D Serial Number None
. Calibration For indication only Range and Accuracy 0 to 3000 psi, 10.5%
k<- AETL Number E1108V E Instrument Digital Thermometer Manufacturer John Fluke Mfg. Co., Inc. Hodel Number 2100A Serial Number 30037 . Calibration 6 months (cal due 6-8-81) Range and Accuracy -320*F to +1400*F; *1*F, il digit AETL Number P940V Instrument Pressure Transducer , Manufactu.er Statham Instruments Inc. l Model Number PM80TCF 2100-350 Serial Number 1091 Calibration Prior to test . . Range and Accuracy 5000 psig '
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." APPROVED ENGINEERING TEST LABORATORIES .
- lb A N Af EON AL TECHNIC AL SERVsCES CO.
AETL
. AETL Number . P1084V Instrument Pressure Gauge Manufacturer Ashcroft Model Number 1.66 Serial Number None Calibration For indication only Range and Accuracy 0 to 3000 psi; 1.0%
AETL Number P1129V Inst rument Pressure Gauge Manufacturer Ashcroft Model Number 13775 Serial Number None Calibration For indication only Range and Accuracy 0 to 400 psig; 10.5% s AETL Number P1045V f' Instrument Pressure Gauge Manufacturer U.S. Gauge Company Model Number 1903 l Serial Number None Calibration For indication only - Range and Accuracy 0 to 200 psi; 10.5% AETL Number P1064V Instrument Pressure Gauge ( Manufacturer U.S. Gauge Company Model Number 1818 Serial Number None Calibration For indication only Range and Accuracy 0 to 5000 psi; 10.5% - -
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. ; - --._ 74;_2 , gm APPROVED ENGINEERING TEST LABORATORIES ,
A NAt sONAL TECHNaC AL SE nveCES CO. JLETL , AETL Number P1158V Instrument Flow Interrupt Test System Manufacturer AETL Model Number Hone Serial Number None Calibration Hydrostatically pressurized prior to test Range'and Accuracy 0 to 3000 pounds, O to 1500 GPM AETL Number . P625V Instrument Pressure Gauge Manufacturer Ashcroft P.odel Number 1079 Serial Number None Calibration For indication only Range and Accuracy 0 to 3000 psi. 10.25% AETL Number P1404S Instrument Pressure Transducer Manufacturer Teledyne ' Model Number 205-SA-1-3000 Serial Number 662309 Calibration Prior to test Range and Accuracy 0 to 3000 psi t
- AETL Number P12105 .
i Instrument Pressure Gauge ' Manufacturer Ashcroft Model Number DS , , Serial Number None . .- l Calibration For indication only l Range and Accuracy 0 to 3000 psi; 10.5% l \ s c em}}