IR 05000155/1979012
| ML19209A911 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 08/27/1979 |
| From: | Danielson D, Eric Lee NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML19209A910 | List: |
| References | |
| 50-155-79-12, NUDOCS 7910050611 | |
| Download: ML19209A911 (3) | |
Text
..
U.S. NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT
REGION III
Report No. 50-155/79-12 Docket No. 50-155 License No. DPR-6
~
Licensee:
Consumers Power Company 212 West Michigan Avenue Jackson, MI 49201 Facility Name:
Big Rock Point Nuclear Generating Plant Inspection At:
Big Rock Point Site, Charlevoix, Michigan Inspection Conducted: August 20-22, 1979 Inspector:
E. W.
Lb k2 7/7'/
bwlJL Approved By:
D. H. Danielson, Chief f!d7 75 Engineering Support Section 2
'
'
Inspection Summary Inspection on August 20-22, 1979 (Report No. 50-155/79-12)
Areas Inspected:
Records and work activities relative to the repair of Control Rod Drive Housing. The inspection involved a total of 14 hours1.62037e-4 days <br />0.00389 hours <br />2.314815e-5 weeks <br />5.327e-6 months <br /> by one NRC inspector.
Results: No items of noncompliance or deviations were identified.
1104 320
.
7910050b
..
.
'
DETAILS Persons Contacted Principal Licensee Employees R. Abel, Senior Engineer D. De Moor, Technical Engineer
- C Hartman, Plant Manager J. Rang, Operations and Maintenance Superintendent T. J. Wanek, QC Supervisor
- Denotes those attending the exit iuterview.
Functional or Program Areas Inspected 1.
Observation of Work and Work Activities Relative to the Repair of Control Rod Drive (CRD) Housing No. F-2 a.
The inspector viewed the video tape taken during a pressure test when the CRD housing was pressurized with nitrogen from the outside of the housing.
It was noted that there appeared to be three leak paths in the vicinity of the middle of the stub-tube to vessel weld.
b.
The inspector observed the condition of the thermal sleeve after pcrtion of it has been cut.
It was determined that the cut appeared to be satisfactory and the inside of the hous.qg appeared to be unmarked.
c.
The inspector observed the assembly and installation of the rolling machine for the rolling operation of the CRD housing.
It was determined that procedure requirements were met.
No items of noncompliance or deviations were identified.
2.
Review of Records Relative to the Repair of Control Rod Drive (CRD)
Housing No. F-2 The inspector reviewed the following documents:
a.
Procedure No. 0-RVG-3, Rev. O, " Procedure for Cutting Thermal Liner in CRDM Housing No.
F-2."
b.
Procedure No. 0-RVG-4, Rev. O, " Procedure fot Deburring and Chamfering Cutoff Thermal Liner to CRDM F-2 Housing."
c.
Procedure No. 0-RVG-8, Rev. O, " Procedure for Rolling ID of CRD F-2 Housing."
.1104 321
.
-2-
..
.
'
d.
Combustion Engineering, Incorporated (CE) written report of the interpretation of the radiographic film of the stub tube to vessel weld.
(The inspector was unable to review the radiographic film during the inspection because the film was with CE at Chattanooga, Tennessee.)
Thermal Sleeve Material Certification with heats No. K2F-25F, e.
No. 8N59761 and No. A27916.
The inspector determined the documents are satisfactory and steps in
.
the procedures were signed off for the work performed.
No items of noncompliance or deviations were identified.
Exit Interview The inspector met with the licensee representative (denoted in the Persons Contacted paragraph) on August 22, 1979. The inspector summarized the scope and findings of the inspection.
The licensee acknowledged the info rma tion.
\\
t J
-
,
-3-