IR 05000280/1979052
| ML18136A166 | |
| Person / Time | |
|---|---|
| Site: | Surry  |
| Issue date: | 09/26/1979 |
| From: | Blake J, Herdt A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| Shared Package | |
| ML18136A165 | List: |
| References | |
| 50-280-79-52, NUDOCS 7911080322 | |
| Download: ML18136A166 (4) | |
Text
Report No,. 50-280/79-52 UNITED STATES NUCLEAR REGULATORY COMMISSION
REGION II
101 MARIETTA ST., N.W., SUITE 3100 ATLANTA, GEORGIA 30303 Licensee:
Virginia Electric and Power Company Richmond, Virginia 23261 Facility Name:
Surry Nuclear Plant Docket No. 50-280 License No. DPR-32 Inspection at Su~w*r ~illiamsburg, Inspected bW. ~
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/v1 J. J. Blake Virginia f./;6h9 DiteS!gned Accompanying Personnel:
A. R. Herdt, Chief, Engineering Support Section Approved by: til&iadl 2, RCES Branch A. R. Herdt, Section SUMMARY Inspection on September 4-6, 1979 Areas Inspected Chief, RCES This special, unannounced inspection involved 20 inspector-hours onsite in the areas of review of fabrication radiographs for primary shield tank and review of repair records for feedwater check valv Results Of the areas inspected, no apparent items of noncompliance or deviations were identifie./
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DETAILS Persons Contacted Licensee Employees *W. L. Stewart, Station.Manager
- J. L. Wilson, Superintendednt Operations
- R. F. Saunders, Superintendent Maintenance
- T. A. Peebles, Superintendent Technical Services
- J. P. Maciejewski, Engineer Supervisor (NDT)
- F. L. Rentz, Resident Q. C. Engineer
- E. P. Dewander, Staff Assistant M. Kight, Mechanical Maintenance Supervisor T. Bromback, NDT Technican NRC Resident Inspector
- D. Burke
- Attended exit interview Exit Interview The inspection scope and findings were summarized on September 6, 1979 with those persons indicated in Paragraph 1 abov The inspector discussed the new unresolved item in detai.
Licensee Action on Previous Inspection Findings Not inspecte.
Unresolved Items Unresolved items are matters about which more information is required to determine whether they are acceptable or may involve noncompliance or deviation New unresolved items identified during this inspection are discussed in paragraph.
Inspector Follow-up Item
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(Closed) IFI Item No. 280/79-45-04 Repair of Damage to Valve 1-FW-1 The licensee has completed the weld repair and stress-relief heat treatment of the gouged areas on the flange of the subject valve bod The other two check valves, 1-FW-41 and 1-FW-72 were inspected and weld repairs made in internal areas of the valve bod *
The inspector-reviewed the inspection documentation (including the mapping of the ares to be repaired); the repair procedures (welding and heat treat-ment); the welding doc::umentation; and the final acceptance inspection documentatio *
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-2-The work on these valves was done on the following maintenance request Valve 1-FW-10 - MR-S 1907231043 MR-S 1908131111 Valve l-FW-41 - MR-S 1907230931 MR-S 1908131110 Valve 1-FW-72 MR-S 1907250730 MR-S 1908131112 During the review of the documentation the inspector noted *that the repair instructions reference the licensee's visual inspection procedure NDT 1 which is the licensee's procedure for performing visual inspections.re-quired by ASME Section XI. The significance of this is that the procedure provides guidance for examining welds which have been in service for evi-dence of damage, corrosion, or deterioration but does not contain inspec-tion guidance for initial acceptance of a weld such a weld reinforcement, weld size, et Further investigation showed that the welding visual inspection requirements are contained in the general section of the site welding procedure manual, and as such are the responsibility of the mechanical maintenance superviso In the case of the valve repairs the visual inspection in accordance with NDT 15.1 was technically adequate for the welding involved in that the welding involved filling of ground areas with sound weld meta The inspector informed the licensee that the use of NDT 15.1 for visual examination of welds would be carried as an unresolved item identified as 50-280/79-52-0l, NDE procedure for visual acceptance of weld There were no items of noncompliance or deviations in this area of inspectio.
Review of Construction Radiographs The licensee had retreived a portion of the fabrication radiographs for the Unit one and two primary shield tank reactor support structur (The storage life of the radiographs was only required to be five years by the purchase specification requirements and a portion of them had already been destroyed.) The radiographs which were retreived included welds of piping inserts into the tanks as well as circumferential and vertical seams in the tank wal /
The inspector reviewed a randomly selected sample of the radiograph The radiographs were taken in late 1968 and early 1969 during fabrication at
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-3-Newport News shipyar The welds shown in the films included some which had been ground smooth and some that were as welde The radiographs reviewed were as follows:
3651V - MK 104; L-1; 1-2
- MK 104; L-2; 3-MK 104; L-4; 2-3 MK 112-126; L-1; 1-2 MK 112-126; L-2; 2-3 MK 112A; L-6; 1-2& 2-3
- MK 201; V-2; 1-2, 2-3, & 6-7
- MK 201-202; CSM; 23-24, 24-25, & 25-26 MK 102; L-lBT; 1-2 Ring MK 102; LSBT; 2-3 Ring
- Welds appear as-welded The welds which were radiographed as-welded were finished well enough that the weld surface would not mask any internal weld defect indication There were no items of noncompliance or deviations in this area of the inspection.
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