IR 05000010/1978003
| ML19340A594 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 01/20/1978 |
| From: | Danielson D, Eric Lee NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML19340A592 | List: |
| References | |
| 50-010-78-03, 50-10-78-3, NUDOCS 8008280649 | |
| Download: ML19340A594 (3) | |
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U.S. NUCLEAR REGULATORY COMMISSION
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OFFICE OF INSPECTION AND EhFORCEMENT
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REGION III
Report No. 50-010/78-03 Docket No. 50-10 License No. DPR-2 Licensee: Commonwealth Edison Company
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P.O. Box 767 Chicago, IL 60690 Facility name: Dresden Nuclear Power Station, Unit 1 Inspection at: Dresden Site, Morris, IL Inspection conducted: January 18, 1978 Inspector:
E. W. K. Lee dJ
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Approved by:
D. H. Danielson, Chief
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Engineering Support Section 2 Inspection Summary Inspection on January 18, 1978 (Report No. 50-010/78-03)
Areas Inspected: Pipe Support and Restraint systems. The inspection involved a total of 6 onsite inspection-hours by one NRC inspector.
Results: No items of noncompliance or deviations were identified.
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DETAILS
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Persons Contacted Principal Licensee Employees J
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Farrar, Technical Staff Supervisor J. Kotowski, Technical Staf f Engineer
J. Phelan, Technical Staff Engineer
- A. Roberts, Assistant Station Superintendent
- R. Yungk, Technical Staf f Engineer
- Denotes those present at the exit interview.
Functional or Program Areas Inspected 1.
Surveillance of Pipe Support and Restraint Systems a.
Review of Program and Precedures
The inspector reviewed procedures No. DTS-020-1, Rev. I and No. DMP-10, Rev. O.
The inspector determined that the procedures
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are acceptable and met the Technical Specification requirements.
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However, procedure No. DMP-10 is not specific relative to the
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hydraulic snubber lock-up testing. The licensee agreed to replace procedure No. DMP-10 with the existing procedure used in
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Units 2 and 3 which is more definitive relative to lock-up testing.
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Observation i
The inspector independently inspected five (5) hydraulic snubbers located in the Refueling Floor, six (6) spring hangers in the Secondary Steam Generator loop "D" Recirculation
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System and the associated supporting structures for the above
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items. The inspector determined that (1) deterioration and
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corrosion are not noticeable, (2) deformation or forced bending
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are not evident, (3) holts and nuts appeared to be tight and
secure, (4) spring hcigers appeared to be in their appropriate positions and (5) flu.d in hydraulic snubbers does not appear to be leaking except snubber No. CSR-16.
The inspector noted
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that f] sid appeared to be leaking from a fitting and only small amount of fluid remains in the reservoir. Prior to the end of i
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the inspection, the licensee has initiated a work order to repair and test the leaking snubber.
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Review of Records c.
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The inspector reviewed the reports of test and surveillance
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performed during the summer 1977 outage. The inspector deter-
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mined the tests and inspections were conducted in accordance with Technical Specification and procedure requirements.
No items of noncompliance or d,eviations were identified.
Exit Interview The inspector met with licensee representatives at the conclusion of the inspection on January 18, 1977. The inspector summarized the scope and findings of the inspection. The licensee acknowledged the informa-i tion and stated that the leaking snubber will be restored in an operable condition prior to returning Unit 1 to power.
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