IR 05000395/1982036
| ML20058B975 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 06/30/1982 |
| From: | Ang W, Economos N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML20058B957 | List: |
| References | |
| 50-395-82-36, IEB-79-14, NUDOCS 8207260212 | |
| Download: ML20058B975 (4) | |
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NUCLEAR REGULATORY COMMISSION
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REGION 11
o 101 MARIETTA ST., N.W., SulTE 3100 g
ATLANTA, GEORGIA 30303
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Report No. 50-395/82-36 Licensee:
South Carolina Electric and Gas Company Columbia, SC 29218 Facility Name:
V. C. Summer Docket No. 50-395 License No. CPPR-94 Inspection at Summer site near Winnsboro, SC and Teledyne Engineering Services at Waltham, MA
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N. Econ 6mo), ActMifg Seccion Chief Engineering Inspection 3 ranch Division of Engineering and Technical Programs SIJMMARY Inspection on June 1-4 and 17,1982 Areas Inspected This routine, announced inspection involved 27 inspector-hours on site in the areas of seismic analysis for as-built safety-related piping systems (IEB 79-14);
and pipe support baseplate designs using concrete expansion anchor bolts.
Results r
No violations or deviations were ider tified.
8207260212 820701 PDR ADOCK $15000
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REPORT DETAILS 1.
Persons Contacted Licensee Employees I
- 0. W. Dixon, Vice President
- 0. S. Bradham, Station Manager M. W. Clounts, Manager, Construction, QC
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- P. V. Fant, Director, Station QC
- G. Moffat, Mechanical Engineer
- K. W. Nettles, Senior Electrical Engineer J. K. Todd, Structural Engineer F. McKinnon, QC Engineer Other Organizations H. Bamberger, Gilbert Associates, Incorporated (GAI), Resident Engineer R. Vissor, GAI Engineer
- K. Gable, GAI Engineer
- D. Kirchner, GAI Engineer J. Genecco, Teledyne, Engineer P. D. Harrison, Assistant Project Manager, Teledyne NRC Resident Inspector
- J. Skolds
- Attended exit interview
- Contacted by telephone
- Attended exit interview on June 4, 1982, and contacted by telephone for June 17, 1982, exit interview.
2.
Exit Interview The inspection scope and findings were summarized on June 4, 1982, with those persons indicated in paragraph 1 above. The inspector described the areas inspected and discussed the inspection findings listed below.
The licensee had no dissenting comments regarding the findings listed below.
(Closed) Inspector Followup Item 395/82-25-02, Miscellaneous IEB 79-14 Outstanding items, paragraph 5.
(0 pen) Unresolved item 395/82-36-01, Licensee Evaluation of Discrepant Penetration Clearance Inspections, paragraph 5.
3.
Licensee Action on Previous Inspection Findings Not inspected.
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4.
Unresolved Items Unresolved items are matters about which more information is required to determine whether they are acceptable or may involve violations or devia-tions. New unresolved items identified during this inspection are discussed in paragraph 5.
5.
Seismic Analysis for As-Built Safety-Related Piping Systems A follow on inspection to NRC/RII report number 50-395/82-25 was performed to verify compliance with IEB 79-14 requirements and licensee commitments.
Inspector Follow-up Item (IFI) 395/82-25-02 identified miscellaneous IEB 79-14 outstanding items. The licensee issued revision 7 to QC procedure MF-14, Final Check of Piping and Support As-Builts and issued QC procedure MF-18 Re-check of Piping Isometrics (Cold Spacing Criteria). A review of QC procedures MF-14, Rev. 7 and MF-18, Rev. O revealed that valve walkdowns and penetration clearance inspections have been added. The procedures also added an as-built summary checklist to provide verification that documenta-tion for required inspections ~ are complete.
The items identified by IFI 395/82-25-02 had been addressed in the procedures noted.
The required inspections and verifications of valves and penetrations had been accomp-lished, although evaluation and resolution of inspection findings had not been completed. The verification of documentation had been initiated also and was still in process during the inspection.
The inspector had no further questions regarding IFI 395/82-25-02 and closed the item.
A review of the IEB 79-14 walkdown packages was performed. The documenta-tion for the Turbine Driven Emergency Feedwater piping is shown on GAI drawing C-314-085, Revision 2.
During the review, it was noted that angular dimensions shown for supports / restraints EFH-103, 4024, and 4028 had been erroneously identified.
The same discrepancy had been identified by the independent reverification performed by Stone and Webster.
SCE&G QC sub-sequently initiated nonconforming notice 1471 to record the condition. The licensee committed to reverify all similar pipe support angular dimensions to identify any other similar discrepancies.
Teledyne performed the j
evaluation of the above noted discrepancies.
The Teledyne evaluation was inspected.
A review of the as-builts summary checklist documentatior, was performed.
The checklist for safety injection analysis code SI-10 CS-24 shown on GAI drawing C-314-691 was selected.
During this review, it was noted that penetration P-AB-2-047 had been inspected but only two of eight clearance dimensions for the penetration had been obtained. The penetration had been evaluated and accepted by GAI. _However, the licensee was unable to provide the evaluation and acceptance criteria for the penetration since the engineer involved was not available.
Pending availability of further information, this item was identified as unresolved item 395/82-36-01, licensee evaluation of discrepant penetration clearances.
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Unresolved item 395/82-25-01, identified the use of the overlap modeling technique by GAI in safety-related piping analysis for V. C. Summer. During the inspection a conference telephone conversation between the inspector, Mr. Hartzman - NRR, the licensee, and GAI was held.
NRR requested the following additional information and obtained the corresponding licensee /GAI response.
Is the seismic response spectra enveloped on both problems overlapped?
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GAI SCEG response - No. The overlap regions' seismic response spectra is enveloped but the seismic response spectra for the entire problem is not enveloped.
b.
Paragraph 3 of Attachment 1 to Attachment A of SCE&G's March 12, 1982 response to IEB 79-14 contains formulas for Class 2 and 3 stress evaluation.
The factor 1/2 contained in ASME NC 3652 appears to have been lef t out. How is this provided for?
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GAI/SCE&G response - The formulas on Attachment i to Attachment A, call l
for Ma stress or Mb stress which are computer printout values.
The factor i/z is included in the computer program and is used to obtain the Ma stress or Mo stress values noted on the stress evaluation formulas, i
Were there are any overlap problems in Class 1 piping?
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l GAI/SCE&G Response - Yes.
Pending further evaluation by NRR, Unresolved Item 395/82-25-01 was left
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open.
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Pending completion of IEB 79-14 requirements and licensee commitments, the bulletin was lef t open. No violations or deviations were identified.
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Pipe Support Baseplate Designs 'J:ing Concrete Expansion Anchors (IEB 79-02)
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On May 7, 1982. NRR/MEB requested additional information from the licensee regarding the July 5, 1979 and January 7, 1980 response to item 1 of IEB 79-02 (Baseplate Flexibility Analysis).
The licensee /GAI was in the process of preparing a response containing the information requested and will submit the i r. f orma ti on to NRR.
Pending completion of bulletin
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requirements. IEB 79-02 was lef t open.
No violations or deviations were identified.
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