ML20050B276
| ML20050B276 | |
| Person / Time | |
|---|---|
| Issue date: | 03/16/1982 |
| From: | Barnes I, James Smith NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | |
| Shared Package | |
| ML20050B262 | List: |
| References | |
| REF-QA-99900266 NUDOCS 8204050161 | |
| Download: ML20050B276 (7) | |
Text
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ORGANIZATION:
ROCKWELL INTERNATIONAL, INC.
ENERGY SYSTEMS GROUP CAN0GA PARK, CALIFORNIA REPORT INSPECTION INSPECTION NO.-
99900266/82-01 DATE(S):
1/11-15/82 ON-SITE HOURS: 28 CORRESPONDENCE ADDRESS:
Rockwell International, Inc.
Energy Systems Group ATTN:
Mr. D. Empey, Quality Assurance Director 8900 De Soto Avenue Canoga Park, CA 91304 ORGANIZATIONAL CONTACT:
Mr. D. Empey, Quality Assurance Director TELEPHONE NUMBER:
(213) 700-3926 PRINCIPAL PRODUCT: Class 1, 2, and 3 vessels, piping and components.
NUCLEAR INDUSTRY ACTIVITY: Commercial Nuclear Production of Rockwell International, Inc., Energy Systems Group, Canoga Park, CA, totals 25% of total company produc-tion.
Twenty six nuclear contracts are presently in-house for current and future production.
ASSIGNED INSPECTOR:
. t.d S-d-f7/
N W. Tutton, Reactive & Components Program Section Date (R& CPS) t OTHER INSPECTOR (S):
7h 3-/6-21 APPROVED BY:
I. Barnes, Chief, R& CPS Date INSPECTION BASES AND SCOPE:
A.
BASES:
B.
SCOPE: Weld control, nonconformance/ corrective action, 10 CFR Part 21 Inspec-tion, follow up on identified heater leadwire insulation deficiency in Presurized Water Reactor post LOCA Hydrogen Recombiners, and review of vendor activities.
PLANT SITE APPLICABILITY:
i j
Applicable Docket Nos. (Pressurized Water Reactor Post LOCA Hydrogen Recombiners):
50-338, 339, 404; 50-528, 529, 530, 592, 593; 50-518, 519, 520, 521; 50-553, 554; 50-461, 462; 50-454, 455; 50-456, 457; 50-334, 412; 50-245, 336, 423; 50-289, 320.
9204050161 820319 J LI b
s PDR OA999 EMVROCI Certified 37 99900266 PDR
)
ORGANIZATION:
ROCKWELL INTERNATIONAL, INC.
ENERGY SYSTEMS GROUP CANOGA PARK, CALIFORNIA REPORT ubetcitun NO.:
99900266/82-01 RESULTS:
PAGE 2 of 3 A.
VIOLATIONS:
None B.
NONCONFORMANCES:
None C.
UNRESOLVED ITEMS:
None D.
OTHER FINDINGS:
1.
Weld Control - The inspector reviewed Energy Systems Group's (ESG) QA Manual, Section N 6.01-N 6.04 and ESG's ASME Code Manual, Sections 8.3 and 9.3, three weld qualification procedures, five welder qualification records, weld material issuance records, two shop work order travelers, current qualified welders record and observed welding operations in-process.
As a result of the review of welding documentation and observation of available work in progress, the inspector determined that control of welding during the manufacturing process complied with the stated com-mitments in ESG's QA Programs.
2.
Nonconformance/ Corrective Action - The inspector reviewed ESG's QA Manual Sections 10 and 14 and ESG's ASME Code Manual Sections 15 and 16, 3 closed and 7 open corrective action reports, 21 discrepancy reports and associated documentation to determine compliance to QA/QC documentation requirements.
The corrective action taken to prevent recurrence was examined for implementation.
Segregation areas, designated for storage of nonconforming items, were inspected.
Relative to the documents examined, the inspector determined that activities relating to the control and disposition of nonconforming items complied with ESG's QA/QC program requirements.
3.
10 CFR Part 21 Inspection - The inspector reviewed ESG's written policy for evaluation and reporting of identified component defects with respect to 10 CFR Part 21 requirements.
A review of posting was made and was found to be in compliance with 10 CFR Part 21 requirements.
The inspector also reviewed the instructions and procedures to be used to implement the requirements, including evaluation, conclusions and corrective action for 16 possible Part 21 occurrences documented by ESG since 1977.
t
I ORGANIZATION:
ROCKWELL INTERNATIONAL, INC.
ENERGY SYSTEMS GROUP CANOGA PARK, CALIFORNIA REPORT INSPECTION NO.:
99900266/82-01 RESULTS:
PAGE 3 of 3 As a result of the inspector's review of available documentation, it was determined that the requirements of 10 CFR Part 21 have been com-plied with in those areas, that required ESG's notification to buyers for further information or to provide corrective action requirements.
4.
Follow up on Hydrogen Recombiner Heater Leadwire Insulation Deficiency -
a.
Rockwell International, Inc., Energy Systems Group (ESG) filed an information report with the Nuclear Regulatory Commission, as a result of testing which indicated that heater leadwire routing areas of Pressurized Water Reactor Post LOCA Hydrogen Recombiners may reach temperatures higher than the leadwire insulation design rating.
This condition has been evaluated to result in a minimum service life of 10 years, based on bimonthly operational checks plus 60 days continuous operation in the event of a LOCA.
b.
ESG Engineering proposed a design change for the affected units to lower the temperature that would be encountered.
This would be accomplished by the addition of spacers between the cover plate and flange of the heatar.
Also, rewiring of those units with 302 F insulation would be required.
c.
ESG has determined that eight commercial nuclear contracts had units that would be subject to the proposed design changes.
The units involved would have to be modified before the end of a 10 year operational period.
ESG has issued letters of proposed corrective action to all affected customers, indicating the steps to be taken to correct this design deficiency.
d.
The inspector determined after review of all available documen-tatien and discussion with management and engineering personnel, that adequate corrective action and preventive measures have been taken by ESG in regard to the reported deficiency.
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