IR 05000456/1981003
| ML19343D518 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 03/24/1981 |
| From: | Boone J, Landsman R, Williams C NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML19343D513 | List: |
| References | |
| 50-456-81-03, 50-456-81-3, 50-457-81-03, 50-457-81-3, NUDOCS 8105050107 | |
| Download: ML19343D518 (3) | |
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U.S. NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION'iEJ ENFORCEMENT
REGION III
Reports No. 50-456/81-03; 5'0-457/81-03 Docket Nos. 50-456;-50-457 Licenses No. CPPR-132; CPPR-133 Licensee:
Commonwealth Edison Company Post Office Box 767 Chicago, IL 60690 Facility Name: Braidwood Station, Units 1 and 2 Inspection At: Braidwood Site, Braidwood, IL Inspection Conducted: March 9-11, 1981 Inspectors:
R. B. Landsman h' 3 f *
J. M. Boone t.N-[m_
3-2t./ - S/
ecwBd-Approved By:
C. C. Williams,~ Chief 3 -.2J ' f/
Plant Systems Section Inspection Summary Inspection on March 9-11, 1981 (Report No. 50-456/81-03; 50-457/81-03)
Areas Inspected: Containment prestressing system work activities, procedures, tnd quality records. The inspection involved 33 inspector-hours onsite by two NRC inspectors.
Results: No items of noncompliance or deviations were identified in the areas inspected.
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8105050107
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' DETAILS Persons Contacted
' Commonwealth Edison' Company
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- R. Casaro,1 Site Project Superintendent
- T. Sommerfield, Site QA Supervisor
- C Gray, Lead Structural Engineer
'*S. Hunsader, QA Inspector
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- W. Bruns, QA Inspector Newberg
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.J. Patten, QC Level II. Inspector-Napoleon Steel
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C. Zavada, QC Manager-
'* Denotes those in attendance at exit meeting.
Program Areas Inspected During this inspection the containment prestressing system procedures, t ark activities, and quality records were reviewed for Units 1 and 2.
1.
Procedures The following documents, which provide guidance and acceptance criteria for the safety-related containment prestressing were re-viewed for scope, completeness, and consistency with referenced codes, standards, and NRC guides:
a.
.Sargent & Lundy Specification L-2722, " Division 13 - Post Tensioning Work", Revision 14, dated May 18, 1979.
b.
Napoleon Steel Procedure 7A, " Post Tensioning Material Re-ceiving and Storage", Revision 2.
c.
Napoleon Steel Procedure 7B, " Post Tensioning Tendon Instal-lation" Revision 5.
d.
Napoleon Steel Procedure 7C, " Field Button IIcading of Post Tensioning Tendons", Revision 4.
Napoleon Steel Procedure 7D, " Stressing of Post Tensioning e.
Tendons", Revision 3.
f.
Napoleon Steel Procedure 7E, " Field Greasing of Post Tension-
ing Tendons", Revision 3.
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'The above procedures and specifications were in accordance with
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applicable codes,and standards.
2.
Work Activities Field storage, greasing and stressing activities were observed.
Personnel'were interviewed as to responsibilities and procedural requirements and acceptance criteria. The following specific items were observed:
a..
Storage: The tendons and associated hardware are storedjin
~two warehouses and the station machine shop.
Provisions are provided for physical and environmental protection, specifically corrosion and mechanical-damage, b.
Tendon Stressing: Tendons D1-10 and D1-13 were observed being stressed. Gages have been calibrated, matched shims were~being used, jack numbers were identified, and the stressing sequence was being followed. Records were being completed during the operation.
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c.
Tendon Greasing: Tendon D3-38 was observed-being greased.
The tank car was heated to proper temperature, the pressure was adequate, proper venting to insure the sheath was completely filled was accomplished. No grease was leaking around the protective caps. The proper records were being completed during the operation.
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Tendon insertion and button heading operations were not in progress during this inspection.
3.
Material Records The inspector reviewed material receipt and certification records.
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The records were found to be in accordance with requirements.
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4.
Quality Records The inspector reviewed records relative to containment prestress-ing of-dome tendons. The records contained the complete inspection report including tendon insertion, button heading, stressing and greasing. The following records.ere reviewed:
Tendon D3-1, D3-38, D2-5, D2-1, D1-15 and D1-3.
The records were complete and in satis-factory condition.
Exit Interview The inspectors met with licensee representatives (denoted in the Persons Contacted section) at the conclusion of the inspection on March 11, 1981.
The inspectors summarized the purpose and findings of the inspection. The
. licensee _ acknowledged the findings reported herein.
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