ML20052B814
| ML20052B814 | |
| Person / Time | |
|---|---|
| Issue date: | 04/02/1982 |
| From: | Barnes I, Roberds H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | |
| Shared Package | |
| ML20052B629 | List: |
| References | |
| REF-QA-99900769 NUDOCS 8205030631 | |
| Download: ML20052B814 (6) | |
Text
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1 i
ORGANf2ATION:
PACIFIC AIR PRODUCTS COMPANY SANTA ANA, CALIFORNIA REPORI INSPECTION INSPECTION N0.:
99900769/82-01 DATE(S) 2/8-11/82 ON-SITE HOURS:
27 CORRESPONDENCE ADDRESS:
Pacific Air Products Company ATTN:
L. R. Hess, President 1
3133 Harvard Blvd.
Santa Ana, California l
ORGANIZATIONAL CONTACT:
L. R. Hess, President TELEPHONE NUMBER:
(714) 557-1710 PRINCIPAL PRODUCT: Automatic Dampers NUCLEAR INDUSTRY ACTIVITY: Approximately 75% of the production effort is devoted to nuclear.
Ar ASSIGNED INSPECTOR:
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{.W.Roberds,ReactivedComponentsProgram Date i
Section (R& CPS)
OTHER INSPECTOR (S):
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APPROVED BY:
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'2.- @ 2.
I. Barnes, Chief, R& CPS '
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Date INSPECTION BASES AND SCOPE:
A.
BASES:
10 CFR Part 50, Appendix B, and 10 CFR Part 21.
B.
SCOPE:
This inspection was made as a result of the identification to Region IV of the Nuclear Regulatory Commission of potential material and design problems in automatic dampers supplied to Grand Gulf Nuclear Station by Pacific Air Products.
Areas selected for inspection included:
drawing control; control of purchased materials, manufacturing process control and final inspection.
PLANT SITE APPLICABILITY:
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Dockets:
50-416, 50-417.
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ORGANIZATION:
PACIFIC AIR PRODUCTS COMPANY SANTA ANA, CALIFORNIA l
l REPORT INSPECTION N0.:
99900769/82-01 RESULTS:
PAGE 2 of 3 A.
VIOLATIONS:
None B.
NONCONFORMANCES:
1.
Contrary to Criterion V of Appendix B to 10 CFR Part 50 and Quality Assurance Operating Procedure No. 10.0, inspection did not tag a shipment of 12 ga., 14 ga., and 16 ga. galvanized sheets, observed in the controlled storage area, with the required green accept tag.
2.
Contrary to Criterion V of Appendix B to 10 CFR Part 50 and Quality Assurance Operating Procedure No. 3.0, the Chief Engineer did not assure that design documents (drawings) contained correct and adequate application of design criteria, as evidenced by the absence on Drawing Sheet No. 5445-14, Rev. 4 for Shop Order 1383, Damper Nos. 1-C8A-OP-27A and B, of required location of welds, joint configuration and weld sizes.
3.
Contrary to Criterion V of Appendix B to 10 CFR part 50 and Quality Assurance Operating Procedure No. 10.0, an in process inspector did not tag an actuator mounting bracket on Damper No. 1-CBA-DP-27A as nonconforming although observed by the NRC inspector to contain cracks at both ends of a bend.
C.
UNRESOLVED ITEMS:
None D.
0%iER FINDINGS OR COMMENTS:
1.
10 CFR Part 50.55(e) Construction Deficiency Report (CDR)
The problem reported to the NRC by Mississippi Power and Light Company was the failure of an actuator to damper shaft coupling in the HVAC automatic dampers in the Diesel Generator Building at Grand Gulf Nuclear Station.
ORGANIZATION:
PACIFIC AIR PRODUCTS COMPANY SANTA ANA, CALIFORNIA REPORT INSPEC110N NO.:
99900769/82-01 RESULTS:
PAGE 3 of 3 An investigation by Pacific Air Products Company (PAPCO) revealed that the actuators were misaligned with the damper shaft when the unit was installed which created an additional stress on the coupler.
The actuators were installed to the damper by site personnel at the request of Bechtel Power Corporation, Grand Gulf Nuclear Station PAPC0 requested the return of all couplers from Grand Gulf and performed torque test on the returned couplers at 600% overload rate with no observed failures of the couplers.
To prevent future failures as a result of misalignment, PAPCO has redesigned the coupler by the addition of an attached sleeve to provide additional reenforcement.
2.
Material Identification and Control This area of the inspection was performed by review of the applicable Quality Assurance requirements, associated documentation and observations of the controlled storage area Nonconformance Item B.1 was identified.
3.
Drawing Control This area of the inspection was performed by review of the applicable Quality Assurance requirements, associated documentation and four drawings issued to production at various stages of the fabrication cycle.
Nonconformance Item B.2 was identified.
4.
Manufacturing Process Control and Final Inspection This area of the inspection was performed by review of the applicable Quality Assurance requirements, associated documentation and five production order travelers at various stages of the fabrication cycle.
Nonconformance Item B.3 was identified.
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