IR 05000456/1981008
| ML20009F967 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 07/17/1981 |
| From: | Hayes D, Hind J, Neisler J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML20009F956 | List: |
| References | |
| 50-456-81-08, 50-456-81-8, 50-457-81-08, 50-457-81-8, NUDOCS 8108030201 | |
| Download: ML20009F967 (4) | |
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U.S. NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT
REGION III
Report No. 50-456/81-08; 50-457/81-08 l
Docket No. 50-456; 50-457 License No. CPPR-132; CPPR-133 Licensee: Commonwealth Edison Company P.O. Box 767 Chicago, IL 60690 Facility Name:
Braidwood Station, Units 1 and 2 Inspection At: Braidwood, IL Inspection Conducted: June 30-July 1, 1981
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Inspectors:
J. H. Neisler
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Accompanied By:
J. M. Hinds
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Approved By:
. W. Ha
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Projects Section IB
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Inspection Summary
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Inspection on June 30-July 1, 1981 (Report No. 50-456/81-08; 50-457/81-08)
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Areas Inspected: Followup licensee action relative to 10 CFR 50.55(e)
items, I&E Bulletins, and items identified during previous inspections.
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l Records of safety-related equipment grouting. The inspection involved a total of 12 inspector-hours onsite by one NRC inspector, and 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by one inspector trainee including 0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> onsite during offshifts.
Results: No items of noncompliance or deviations were identified during I
this inspection.
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A DETAILS 1.
Persons Contacted Principal Licensee Employees
- T. R. Sommerfield, QA Superintendent
- C.
Mennecke, Lead Electrical Engineer C. Gray, Lead Structural Engineer
- J. Merwin, Lead Mechanical Engineer
- S. Hunsader, QA Supervisor
- D. A. Brown, QA Supervisor
- R.
Schleiter, Project Construction L. J. Tapella, QA Engineer
- B.
Tongue, Project Construction Contractor and Other Personnel J. Perryman, QC Supervisor, G. K. Newberg Co.
J. A. Hii, Project Engineer, L. K. Comstock Co.
R. Schoultz, Site Manager, Westinghouse
- Denotes those personnel attending exit interview.
2.
Licensee Action on Previously Reported Items (Closed) Unresolved Item (50-456/81-04-04; 50-457/81-04-01): Expira-tion of Pittsburg testing laboratory (PTL) radiography source license.
The inspector verified that PTL had been issued Licensee No.
37-00276-25 with an expiration date of May 31, 1986. This item is resolved.
(Closed) Noncompliance (50-456/81-11-01; 50-457/81-10-01):
Improper storage of safety related piping and equipment. The inspector observed that safety related piping and components had been placed off the ground on dunnage and that pipe end caps were in place. Review of seven sur-veillance reports performed since October 1980 indicates that licensee is monitoring storage of safety-related materials in external storage.
This item is closed.
l (Closed)
Item reported pursuant to 10 CFR 50.55(e):
Incorrect weights l
for Velan globe valves.
Correct weight has been determined by Velan Engineering Corporation by recalculation and/or actual weighing of the i
valves. The architect / engineer has corrected and redistributed the
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affected drawings. This item is considered closed.
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(Closed)
Item reported pursuant to 10 CFR 50.55(e): Control wiring deficiencies in overhead cranes. Vendor has corrected control wiring deficiencies in all the safety-related overhead cranes. This item is coccidered closed.
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3.
Inspection and Enforcement Bulletins IEB 79-04
" Incorrect Weights for Swing Check Valves Manufactured by Velan Engineering Corporation." Subject valves are used in the Component Cooling and bot?n Thermal Regenera-ticn Systems at Braidwood. Evaluations by Velan through recalculation and/or actual weighing of the valves has confirmed that the valve weights shown on the drawings and used in the piping analysis for these systems are correct. This bulletin is closed.
" Failures of GE Type AK-2 Circuit Breakers in Safety Related Systems." The GE Type AK-2 circuit breakers are not equipped with integral undervoltage trip devices at Braidwood. The AK-2 breakers are used in the 125 VDC system and are equipped for overcurrent trip only. This bulletin is closed.
IEB 79-03A
" Longitudinal Weld Defects in ASME SA 312 Type 304 Stainless Steel Pipe." The inspector examined documen-tation confirming that no ASME SA 312 seau welded stainless pipe had been shipped to the site nor was any ASME SA 312 seam welded stainless steel pipe at the pipe fabricators plant consigned to the Braidwood site. This bulletin is closed.
"Possible Malfunction of NAMCO Model EA 180 Limit Switches at Elevated Temperatures." Licensee has initiated replacement of the limit switch top cover
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gasket on switches identified as having safety related applications as wiring is connected to each switch.
The replacement of cover gaskets is called out on Revision C of S&L drawing 0-3390A and procedure check-lists prepared by the electrical contractor for docu-menting the replacement of the gaskets. This bulletin is closed.
" Examination of Containment Liner Penetration Welds."
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The inspector examined welding records and NDE requirements for containment liner penetrations. Weld travelers and data packages for the eight flued head penetrations t
examined show all butt welds were examined by radiography.
l Radiography reader sheets showed all final welds to be i
acceptable. This bulletin is closed.
" Potential Misapplication of Rosemount Models 1151 and 1152 Pressure Transmitters with "A" or "D" Output Codes."
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The inspector examined documentation of licensee's review l
of application of Rosemount transmitters. The documenta-
tion indicates that the transmitters are not used in-3-
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applications where they would be exposed to input pres-sures that would result in anomalous output signals.
This bulletin is closed.
" Failures of Mercury-Wetted Matrix Relays in Reactor
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Protective Systems." The inspector examined documenta-tion confirming that C.P. Clare Model HG2X-1011 Mercury-wetted Matrix relays are not used in the Braidwood reactor protective systems. This bulletin is closed.
" Valve Yokes Supplied by Malcom Foundry Company, Inc."
The inspector reviewed documentation from valve suppliers stating that valve yokes manufactured by Malcom Foundry
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are not used on valves supplied to Braidwood. This
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Bulletin is closed.
4.
Grouting of Safety-Related Equipment No safety-related grouting activities were in progress during this inspection. The inspector observed completed work on switchgear and equipment foundations and reviewed quality assurance documents appli-cable to safety-related grouting.
Certificates of conformance from grout manufacturer at testing that grout conformed to Corps of Engineers specification for non-thrink grout CRD-C88-79 were available at the site for EMBECO 636 and Masterflow 713 grouts. Review of break records for eight 91-day grout cube breaks indicate that break strengths exceeded the required strengths for both grout types.
No items of noncompliance or deviations were identified.
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Exit Interview The inspector met with licensee representatives (denoted in Paragraph 1, under Persons Contacted) at the conclusion of the inspection on
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July 1, 1981. The inspector summarized the purpose and findings of the
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inspection. The licensee acknowledged the findings as reported herein.
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