ML20235W238
| ML20235W238 | |
| Person / Time | |
|---|---|
| Site: | Clinton  |
| Issue date: | 10/13/1987 |
| From: | Davis A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Gerstner C ILLINOIS POWER CO. |
| References | |
| NUDOCS 8710160092 | |
| Download: ML20235W238 (3) | |
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DCT i 31987 Docket-No. 50-461 Illinois Power Company
. ATTN: Mr. C. W. Gerstner Executive Vice President-L
.500 South:27th Street l;
Decatur,: 11. 62525 Gentlemen:.
This refers to an investigation performed by the NRC Office 'of Investigations (01).concerning the installation of Concrete Expansion' Anchors (CEAs) at your facility. A copy of the synopsis of Investigation Report 3-84-001'is~ enclosed with' this letter. The investigation found that three craftsmen willfully violated a Baldwin' Associates (BA) procedure concerning the' installation of
, CEAs and plates.
A Notice of Violation (N0V) was issued on January 27,'1984, which addressed the improper installation of.CEAs. The Severity level IV violation was adequately -
addressed by.you from a. technical standpoint in responses dated March 16 and April 16, 1984. However.. in view:of.the NRC:01. conclusion that the events -
occurred.as a result < of. willful violations on the part 'of craftsmen at your facility,.you may wish to review your. corrective actions to see if further action is. necessary.
'In accordance with 10 CFR 2.790 of the NRC's " Rules and Practices, "Part 2,-
Title 10, Code of Federal Regulations, :1 copy of this letter and enclosure will be placed in the NRC Public Document Room.
We will gladly discuss any questions you may have relative to this letter or the referenced material.
Sincerely, Original signed bx L Bort Davis A. Bert Davis Regional Administrator
Enclosure:
Synopsis of 01 Investigation Report 3-84-001 See Attached Distribution
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RIII RI R 11 RIII
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Stapleton/jlr Grob6 f periello avis Pl13
,o to-G l 8710160092 871013 PAR ADOCK 05000461-G- PDR
Illinois Power Company 2 OCT 131987 Distribution cc w/ enclosure: DCD/DCB (RIDS) Licensing Fee Management Branch Resident Inspector, RIII Roy Wight, Manager Nuclear Facility Safety Mark Jason, Assistant Attorney General, Environmental Control Division Richard Hubbard J. W. McCaffrey, Chief, Public Utilities Division H. 3. Taylor, Quality Assurance Division David Rosenblatt, Governor's Office of Consumer Services 4 ) 1 1 m
~ SYNDPSIS On December 20, 1984, NRC Region Ill (Rill) requested an investigation into ' allegations that craft personnel employed by.Baldwin Associates (BA) at the Clinton Power Station (Clinton) had installed concrete expansion anchors (CEA) on safety related hang:rs in violation of BA procedures. 29, 1983, an Institute of Nuclear Power Operations (INPO) On November Evaluation Team identified a number of irregularities in the installation In early December '1983, the NRC Senior Resident of CEA and base plates. Inspector received an anonymous allegation from "a concerned craftsman" that a number of CEA and plates had been installed improperly and gave infonnation A subsequent examination of the hanger identified in on a specific hanger. the anonymous letter revealed that only one of the four CEA had been properly installed. Improper techniques found on the installation included tack welding of a CEA nut to the plate and wire wrapping of the CEA. It was determined these techniques were utilized to pass the Quality Control (QC) torque test. 11, 1984, Illinois Power (IP) notified RIII of a potentially On January reportable deficiency per 10 CFR 50.55(e) concerning the improper CEA installations. IP subsequently conducted a hanger reinspection sampling program of safety related hangers at Clinton. IP's reinspection program resulted in 19 Nonconformance Reports (NCRs) being A specific BA craftsman was found to have written on 17 individual hangers. been involved in the installation of 11 of the hangers found in nonconformance, Subsequent NRC:01 interviews resulted in three (3) BA craftsmen admitting to utilizing techniques not approved by BA procedure in the installation of CEA. These craftsmen attributed their actions to lack of training and the existence of pressure from production quotas. One BA craftsman alleged that his foreman had knowledge of the use of improper CEA installation' techniques. BA craft supervision denied knowledge of the improper techniques and the existence of production quotas. The investigation revealed that in 1981 - 1982, the time the improper techniques were used to install the CEA, craft had not received any type of training in their installation. The investigation found that three craftsmen willfully violated BA procedure in the installation of CEA and plates. I ( l I ) i { Case No. 3-84-001 1 L _ ____-___-}}