ML20058E668
| ML20058E668 | |
| Person / Time | |
|---|---|
| Site: | Zimmer |
| Issue date: | 07/14/1981 |
| From: | Foster J NRC |
| To: | Davis A, James Keppler, Streeter J NRC |
| Shared Package | |
| ML20058A387 | List:
|
| References | |
| FOIA-82-206 NUDOCS 8207300146 | |
| Download: ML20058E668 (8) | |
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July 14, 1981 MEMORANDU!! FOR:
J. G. Keppler g
A. B. Davio J. F. Streeter R. F. Warnick J. F. Schapker F. A. Maura R. Janke M. Singh P. A. Barrett J. B. McCarten FROM:
J. E. Foster, Investigator STATUS OF ZE4!!ER INVESTIGATION REPORT, ASSIGRIENT OF
SUBJECT:
TASKS AND REC 01DIENDATIONS An overall report format, allegation format, and numbering scheme have Applegate/G.A.F. allegations Nos. 1, 3, been developed for the report.
5, 7, 8, 11, 13, 14, 15, 17 and 18 have been edited and reorganized in-to the allegation format. Allegation 1 is attached as a clean draft exanple.
Attached is an outline of the report as proposed, including propssals Those items marked with a dot either for subsections of the report.
have not boon prepared, or are in the earliest stages of production.
When these items are drafted, additional editorini, organizing and typing will be required. Tables and exhibits will also need numbering when the final report is organized.
the following assign-1 In an effort to expedite production of the report, ments of responsibility for the remaining subsections is proposed:
Streeter, Koppler TRANSMITTAL LETTER TO LICENSEE Barrett APPENDIX "A" Foster REPORT COVER PAGE AND SUM!!ARY Foster REASON FOR INVESTIGATION Warnick, Streeter, Ecppler SmcfARY OF FACTS Janke PERSO.CNEL CONTACTED 8207300146 820609 I
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Multiple Addressees 2
July 14, 1981 SCOPE Foster BACKGROUND McCarten, Foster QC ALLEGATIONS Schapher (No. 2)
Haura (No. 3)
McCarten (No. 4)
OPDi ITDIS/0PDi ISSUES Barrett EXIT INTERVIDiS Warnick MNIACDIDiT MEETING Warnick, Streeter LICDISEE C0!!!ilTT!!DITS/ CORRECTIVE ACTION Uarnick, Barrett ATTACIEIEliT NWIBERING Singh TABLE OF CONTD!TS Singh I also recot:=end the following:
1.
That !!. Singh return to RIII on July 20th or 21st, 1981, and remain through the weekend of the 25th (if agreeable).
2.
That final drafts of the report be generated during a retreat to Nordic Hills during the veck of July 27, 1981.
1 J. E. Foster Investigator Attach =ents:
1.
Draft Allegation Example 2.
Report Outlina c m c a >
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i 5.3.1 Allegation "A radioactive waste drain is clogged with concrete which carelessly was poured into the drain."
5.3.2 Background Information Normal practice is to flush drains with water prior to plant operation to confirm that the drains are clear of all restricting debris.
The radwaste floor drains, which are nonsafety-related, will not handle any radioactive liquid until such material is generated following the start of plant operations.
The terms radwaste drains and radioactive waste drains are synonymous terms for floor drains, which normally drain small amounts of radioactive water that can leak from such items as valve packings.
5.3.3 Investigation l
5.3.3.1 Interview of Individual A On February 24, 1981, Individual A, who was previously interviewed by representatives of GAP, was interviewed by NRC.
Individual A stabed i
that, although concrete finishing work was under way in the radioactive 1
i waste disposal area, he suggested to Kaiser construction personnel that l
l a pipefitter be assigned to the concrete finishing crew to assure concrete did not enter and clog the floor drains.
However, they disagreed with f %l '..,
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this suggestion and instead directed the floor drains to be covered with duct tape to prevent concrete from entering and clogging the drains.
Individual A stated that concrete did enter the lines and clogged the radiation waste drains.
On April 22, 1981, Individual A provided a written statement attesting to the preceding information; however, he requested the statement not be attached to this report.
5.3.3.2 Interview of Individual B Individual B stated that he worked as a pipefitter during 1976-1977, and worked with the drain flushing crew for the rad system.
Individual B stated that during this period, he observed floor drains in the system that were clogged with contrete, which he and others unsuccessfully tried to remove.
5.3.3.3 Interview of Test Coordinator and Startup Engineer T.elephone interviews were conducted by the Senior Resident Inspector on February 12, 1981 with the Test Coordinator, who was responsible for the i
l radwaste building drain flushing activities and on February 13, 1981 with I
the Startup Engineer, who was responsible for Drain System flushes.
Both l
individuals indicated that some drains were found to be plugged with unspecified debris.
In all of those cases, the drains were cleared and flow was verified...
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5.3.3.4 Record Review and Onsite Observation s
The Senior Resident Inspector reviewed CG&E Flushing Procedure No. DR, Rev. O, for the Drain System approved on September 23, 1977. The purpose of this procedure was stated as follows:
"This document details the pro-cedure for cleaning the liquid radwaste floor drain and equipment drain piping to the various plant sumps and drain tanks.
The floor drain and equipment drain piping shall be flushed until they flow freely and all large particulate matter is removed."
Appendices to the Flushing Procedure indicated that 152 of a total of 169 of the potential radioactive waste drains related to the radwaste building floor drain tank, the floor drain sludge tank, the radwaste floor drain sump, the floor drain collector tank, and the chemical waste tank had been flushed and verified in accordance with the procedure.
The appendices indicated that the verifications had been made in 1979.
The licensee stated that the flushing activities were continuing.
The Senior Resident Inspector made visual inspections of all of the l
accessible radwaste drain ports identified on Sargent & Lundy drawings A-533 Rev. F, A-534 Rev. F, and A-515 Rev. N.
These drawings identified the drains in the radwaste building (elevations 496 ft., 527 ft., 513 ft.,
and 511 ft.) and in the auxiliary building (elevations 567 ft. 5 in., and l
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l 547 ft.).
None of the observed drain ports were visibly plugged. The following floor drains were covered with tape at the time of the inspec-tion and were therefore not inspected:..
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Radwaste Building--elevation 527 ft.
(1) Drain Y-20 (2) Drain Y-17 b.
Auxiliary Building--elevation 567 ft.
(1) Drain L-26 (2) Drain G-26 (elevation 562 ft.-5 1/4 in.)
(3) Drain G-22 (4) Drain G-20 (5) Drait G/H-20 (elevation 562 ft.-6 3/4 in.)
(6) Drain H-22 (elevation 562 f t.-7 5/8 in.)
(7) Drain H/J-24 (8) Drin G/H-22 Neither the flushing records, the personnel interview, nor the Resident Inspector observations confirmed or denied that the drains had been clogged with concrete.
These activities did confirm that the drains, which had been flushed, would allow flow on the dates of the verifications.
5.3.4 Findings NRC interviews with site personnel indicated that some drains had been clogged with unspecified debris...
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Flushing records generated in 1979 indicated that 152 out of a total of 169 of the potential radioactive waste drains, all of which are nonsafety-related, were cleared of all restricting debris. The 17 drains that remain to be flushed are identified in the same controlled flushing procedure as the 152 that have already been flushed.
RIII will determine the status of the remaining 17 drains prior to plant operation (50-358/81 ).
5.3.5 Items of Noncompliance No items of noncompliance or deviations were identified.
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C' o T:J.;:SCIT AL ~F? I~. N LICE;SIZ s APPEQIX "A" e Pd20RT COVER FAGE & SWOIARY
- TABLE OF CONTECS d FIASON FOR DIVESTIGATION
- SG24ARY OF FACTS
- DETAILS
/. PERSONNEL CONTACTED
- 2. SCOPE 3.BACKGRomiD 4' QC ALLEGATIONS f APPLEGATE ALLEGATIONS
..'. ALLEGATIONS RECEIVED TEROUGH SITE Ilm.nv.u;4S
. IIDEPEIDE1T NRC D;SPECTION FDTDDIGS
- OPEI ITEP.S/0FET ISSUES
- ECIT INERVIE'JS 1MANAGEIDIT MEETING
' LICD;SEE COIGIIS:D!TS/ CORRECTIVE ACTION FROGRAM ATTACEE!!TS EXEI3ITS JtT.TRGATION MRMAT
/. ALLEGATION CLARIFYING DIFORKATION
- 2. RACKGROMG(FdERE NECESSARY)
- 3. DIVESTIGATION M FDGINGS
.f ITD:S OF NONCOMPLIANCE (VHERE F0mm) t i
DISPECTION F0FF.AT
/ PIASON FOR DiSPECTION 2 DISPECTOR, DAES OF DISPECTION
.7. BACKGROUND (hr.r2 NECESSARY) 4' FD*DDi;S S ITD:S OF NO::COI'PLIANCE (VHERE ME:D)
OPEI ISSUES F0FF.AT
/. ORIGD; OF ISSUE //TDI
- 2. ACTIO:S TO DA E
- 17. PLANNED ACTIONS 6' COMPLETION ESTDIAE 1
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