IR 05000010/1978026
| ML15022A371 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 10/25/1978 |
| From: | Fiorelli G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Brian Lee COMMONWEALTH EDISON CO. |
| Shared Package | |
| ML15022A372 | List: |
| References | |
| NUDOCS 7811300261 | |
| Download: ML15022A371 (4) | |
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UNITED STATES NUCLEAR REGULATORY COMMISS
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REGION III
799 ROOSEVELT ROAD W_ ~
GLEN ELLYN-JLLINOIS 60137 OCT 25 1973 Docket No. 50-10 Docket No. 50-237 Docket No. 50-249 Commonwealth Edison Company ATTN:. Mr. Byron Lee, J Vice President P.O. Box 767 Chicago, IL 60690 Gentlemen:
This refers to the inspection conducted by Messrs. J. Barker, N. Chrissotomos and J. Hughes of this office on September 5-8, 12-14, 20-22 and 26-28, 1978, of activities at Dresden Nuclear Power Station authorized by NRC Operating Licenses No. DPR 2, No. DPR 19 and No. DPR 25 and to the discussion of our findings with you at the conclusion of the inspectio The enclosed copy of our inspection report identifies areas examined during the inspection. Within these areas, the inspection consisted of a selective examination of procedures and representative records, observations, and interviews with personne During this inspection,.certain of your activities appeared to be in noncompliance with NRC requirements, as described in the enclosed Appendix A. The inspection showed that action had been taken to correct the identified noncompliance and to prevent recurrence. Consequently, no reply to this noncompliance is required and we have no further questions regarding this matter at this tim In accordance with Section 2.790 of the NRC's "Rules of Practice," Part 2, Title 10, Code of Federal Regulations, a copy of this letter and the enclosed inspection report will be placed in the NRC's Public Document Room, except as follow If this report contains information that you or your contractors believe to be proprietary, you must apply in writing to this office, within twenty days of your receipt of this letter, to withhold such information from public disclosure. The application must include a full statement of the reasons for which the information is considered proprietary, and should be prepared so that'proprietary information identified in the application is contained in-an'enclosure to.the applicatio Commonwealth Edison
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OCT 251973 Company We vill gladly discuss any questions you have concernin& this inspectio
Sincerely, Gaston Fiorelli, Chief Reactor Operations and Nuclear Support Branch Enclosures: Appendix A, Notice of Violation 2. 1E Inspection Reporta No. 50-010/7S-26, No. 50-237/78-23 and No. 50-249/78-25 ec /earl:
Mr. B. B. Stephenson, Station Superintendent Central Files Reproduction Unit NRC 20b PDR Local PDR NSIC TIC Anthony Roisman, Esq.,
Attorney Mr. Dean Hansell, Office of Assistant Attorney General OFFICE
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R R1 RI SURNAM Barker sSotimos Knop h
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d Fiorelli DATI~
10/23/78 NRC Form 318B (RIM)
(1-78) NRCM 0240
- U.S.GOVERNMENT PRIN NG OFFICE: 1974 253-817
item of noncompliance but without significant safety concer The licensee has revised its program to better follow and t better delineate responsibilities in the tracking of event reporting. The inspector has no further concerns on this matte Regarding LER's 78-22-, 27, 28, and 33, the inspector dtermined
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the ultimate cause of the setpoint drift was a damaged indicator pointer which dragged across the face plate, prohibiting proper
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operatio The dpis 3-261-2C had been cleaned on several other occasions and the indicator pointer was straightened during July 1978, but binding continued to.cccu The licensee replaced the pointer and retested to verify satisfactory operatio.
Review of Plant Maintenance (Units 1, 2, and 3)
The inspector reviewed safety related work requests to verify that safety related work was being properly identified, approved procedures were being used where applicable, maintenance acti vities were being properly inspected. Functional testing and calibration prior to returning components or systems to an operating status was being accomplished, quality control records were adequate, personnel assigned maintenance work were properly qualified, and that all.safety related maintenance work requiring reporting to the NRC was reported as identified in the Technical Specification No items of noncompliance or deviations were identifie.
Self-fired Water Heaters -
Safety Considerations The inspector verified, that there are two domestic water heaters in proximity to the control roo The first electric water heater is located in the southwest corner of the Unit 3 control panels, one floor elevation above the con trol room. Separation is approximately 10 feet behind the con tainment system panel,.a 6" concrete wall and 15 feet vertically to the next floor level and another 6" concrete wal The water heater is separated from the battery room by approxi mately 20 feet with a 6" concrete wall and door between the The specifications are as follows:
Electric Manufacturer RHEEM Imperial Model UL Listed 300 psi Test Pressure 127.5 psi Working Pressure 120 Gallons 5000 watts-5-
Pressure Relief Valve set at 125 psi located 2" above the heater and relief piping of 25 feet to a drain. AGA was used in construction. litin The second water heater is located approximately 25 feet behind and 5 feet below the Unit 1 condensate and feed panels with a 6" concrete wall in between the It is separated from the Unit 1 cable tunnel by approximately 10 feet and a 6" concrete wall. The water heater has the following specifications:
Manufacture:
Dayton Model:
Number 3E120B 52 U.S. Gallons 240 volts/4500 watts Test pressure:
300 psi Working pressure:
150 psi UL Listed McDonald Relief Valve set at 75 psi located 2" above heater with 15 feet of piping relieving to a drain. Installation is ASM No concerns were identifie.
Review of Plant Operations The inspector reviewed the plant operation's including examinations of control room log books, routine patrol sheets, shift engineer log book, equipment outage logs, special operating orders, and jumper and tagout logs for the period of September 2-28, 197 The inspector also made visual observations of the routine sur veillance and functional tests in progress during the perio This review was conducted to verify that facility operations were in conformance with the requirements established under Technical Specifications, 10 CFR, and Administrative Procedure A review of the licensee's deviation reports for this period was-conducted to verify that no violations of the licensee's Technical Specifications were made. The inspector conducted a tour of Units 1, 2, and 3 reactor buildings and turbine build ings throughout the period and noted that the monitoring instru mentation was recorded as required, radiation control was properly established, fluid leaks and pipe vibrations were minimal, seismic restraint oil levels appeared adequate, and equipment caution and hold.cards agreed with control room-record No items of noncomplianceor deviations were identifie