ML19289E627

in Response to 780922 Part 21 Rept,Informs That Injection Pumps Were Removed & Inspected Using Newly Established Criteria of Suppl 2, & Were Reinstalled on Engines.No Further Action Contemplated

ML19289E627
Person / Time
Site:	Beaver Valley, Summer
Issue date:	03/23/1979
From:	Moriarty J COLT INDUSTRIES, INC.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19289E625	List: ML19289E624 ML19289E627
References
REF-PT21-78-073-001, REF-PT21-78-073-002 NUDOCS 7904210801
Download: ML19289E627 (1)

Text

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REGISTERED LETTER NO. ,

RETURN RECE!PT REQUESTED ORIGINAL & 3 COPIES Harch 22, 1979 Office of Inspection & Lnforccmant bec: C. A. Ankrum U. S. ituclear Regulatory Ccmtssion l0 799 Roosevel t Road IHU0ajey.Sca.

4. a. Wd G1cn Ellyn Ill. 60137 E. L. Fcy B. W. Feldallier_-

Attention: Mr. Janes G. Keppler. Director, Region III E. D. Greene H. T. Hailey

Subject:

Colt Industries-Fairbanks Ibrse Engina Olvision H. R. Hedden Emergency Diesel Generators J. F. Morgan Possible Er.istence Of A Defect-Itijection Pumps G. W. Olson 10CFR Part 21 Report Dated Septe,Ther 22, 1978 J. W. Tangya Supplemental Report #2-Northeast Utilities, Millstone III G:ntleraan:

Our SeptcMer 22,1970 Part 21 Report indicated we would evaluate the adcquccy of the program, described as being undcrtcken on the l'illstone III unit undergoing a 300 start test at that time, after ccmpletion of

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tho tcst.

Our Engincoring and Quality A:suran;;c Departments have analyzed the injcction pump failures. It is their conclusion that the failures were the result of one or rare of the folluning turiditiviih.

1 Surface irregularitics on barrel and/or plunger.

2 Incorrect raterial.

3 New pu:1ps (i.e. , no previous runntrig).

After completion of the 300 start tests, all injection pumps were removed from both Millstone III units. All pum,*s were inspected to neuly estab-lithad criterid reflecting the atiove three areas of concern. All pumps were discssembled. plungeis and barrels were inspected and clearances recorded. Revised de-burring and stoning procedures were carried out on the helix on the plunger and the fuel inlet port on the barrel. In addition, one puns from each unit was rerun for 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> and re-exactned.

The results of the reruns were satisfactory.

' Colt's conclusion is that all of the N111 stone III injection pumps are now adequately run-in and are in good condition. Ho further action is contemplated and both units are ready to go into scryice.

Very truly yours, f

[A. .Ii. i. bbyp{g , ,,, _ ,

'Uc: South Carolina Electric & Gas Co.

P. O. Box 764 Columbia, South Carolina 29218 '

Attention: Mr. Dan Nauman '

W/ Supplement #2 dated March 22, 1979 lg w ..n.c g ?Sw,ce 790421D86I

. .> s f

UNd'.0Ttres 7Do73-pA(R) -

27t,";;2",,-

701 tawton Avenue y

Ot!Olt. Wiwonsin 53511 sosias4-44ti March 23,1979 Cffice of Inspection & Enforcement is. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Ill. 60137 Attention; Mr. Jar:us G. Keppler, Director, Region III t'

Subject:

Part 21 Report Colt Industries-Fairbanks Morse Engine Division Emergency Diesel Generators

• Possible Existence Of A Defect-Injection Pumps 10CFR Part 21 Report Dated September 22, 1978 Supplecuntal ' Report #3, Duquesne Light Co. , Beaver Valley II Referencei Supplement #2 to subject report dated March 22, 1979 Gentlemen:

Our September 22, 1978 report indicated the two Duquesne Light Co.,

Beaver Valley units in storage at Beloit would be dispositioned relative to the reported potential defect prior to shipment.

All injection pumps on the two Beaver Valley II units have been removed from the engines, inspected to the newly established criteria delineated in the referenced Supplemental Report #1, and reinstalled on the engines.

All of the Beaver Valley injection pumps are now adequately run-in and in good condition. No further action is contemplated and both units are ready to go into service.

Very truly yours,

(

7

. r MANAGER UTILITY A c.S w

JMM:jc cc: Stone & Webster Engineers Corp..

P. O. Box 2325 Boston, Massachusetts 02107 Attention: Project Engineer for Duquesne i

. J.O. 12241 3 g yg70 W/ Supplement 12 dated March 22, 1979 i 4......e e in, c,%ce,, %.,.y em ,

h)b REGISTEREDLETTERNO.[

RETURtl RECEIPT REQUESTED ORIGIttAL & 3 COPIES March 22. 1979 Office of Inspection & Lnforccmant bcc: C. A. Antrt:m U. S. tiuclear Regulatory Cosaission R. H. Goadle 799 Roosevci t Road R. A. Uudley. Bf Glen Ellyn. Ill. 60137 E. L. Fay D. W. Feldallien Attention: Mr. Janes G. Keppler Director. Region III E. D. Greene W. T. Hailey

Subject:

Colt Industries-Fairbanks liarse Engine Division H. R. Hedden Emergency Diesol Generators J. F. Morgan Possible Existence Of A Defect-II Jection Pumps G. W. Olson 10CFR Part 21 Report Dated September 22, 1978 J. W. Tangya Supplemental Report #2-flortheast Utilities. Millstone III G2ntleman:

Our Scptcseer 22,1970 Part 21 Report indicated we would evaluate the adequccy of the program, described as being endertcken on the P,illstone III unit undergoing a 300 start test at that tirne, after ccmpletion of the test.

Our Engincering and Quality Assaran;:e Departments have analyzed the injcction pump failurcs. It it, their conclusion that the failures were the result of one or t.ure of the follwilig cuiidit.iulib.

1 Surface irregularities on barrel and/or plunger.

2 Incorrect reterial.

3 ((ew punps (i.e., no previous running).

After co:npletion of the 300 start tests, all injection pumps t!ere removed frem both Millstene III units. All pumps were inspected to neuly estab-lished criteria reflecting the above three areas of concern. All pumps were disassembled, plungei s and barrels tere inspected and clearances recorded. Revised de-burring and stoning procedures were carried out on the helix on the plunger and the fuel inlet port on the barrel. In addition, one punp from each unit was rerun for 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> and re-examined.

The results of the reruns were satisfactory.

Colt's conclusion is that all of the Hillstone III injection pumps are now adequately run-in and are in good condition. !:0 further action is contemplated and both units are ready to go into service.

Very truly yours, A. H. Moriarty flMilACLR UTILITY SALES JIM:Je cc: Stone & K'ebster Engineering Corp.

P. O. Dox 2325 -

Boston, !!sss. 02107 Attention: Lead Electrical Engineer .i g 0 /S79 J.O. 12179 .

~ ~

ATTACED IS A PART 21 REPORT FROM IE Pall U11T - P0]M 359E/W d73 PART 21 IDDRIFICATION ID. 56$u iaa*ca CGPANY l' E# %dsdu 42 DATE OF ETIER 3 hoh9 4#3he DOCKET 10.

DATE DISTRIPETED 3/a3/79- ORIGINAL REPORT _ SUPPLB BiTARY DISTRIRJTION:

REACTOR (R) / REL CYCE & S4FEGUARDS(S)

IMTERIALS(M)

(RR/DDR(STEL10) AD/FFMSI AD/SG-IE MPR/DR4 (BOYD) LTSS/FCMS AD/ROI AD/ROI(2) REGIONS REGIONS AD/RCI IE FIES

!!??/DDR ( STEL10)

REGIO"S PDR iiES/SG SS-881 IE FIES (2) m)R PDR CBEP/L FILES CSEPAL FIES-SS-396 LPDR CEhTRAL FIES (CHPRO CBITgAL FIES(CHROSOTEPA kJ IE FIES (2)

LPDR CBHPAL FIES 016 pyqq B03DE5!IG,FPA COMAL FIE (CHR0iD E03 DEUIG, 'PA CENTPAL FIES - SS-395 ACT10th IG, WA PRELIMINARY EVUALATION OF THE ATTACHED REPORT INDICATES LEAD RESPONSIBILIT FOLLuf-U? AS SH0hN BELOW:

g ER MMO NEC e@

ROI SG FFMSI IP: V. 8 T/7T