IR 05000483/1981007

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IE Insp Rept 50-483/81-07 on 810302-31.No Noncompliance Noted.Major Areas Inspected:Protection of Reactor Vessel & Other Components,Electrical Work & Nondestructive Testing
ML20008F785
Person / Time
Site: Callaway Ameren icon.png
Issue date: 04/07/1981
From: Hansen W, Konklin J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
Shared Package
ML20008F782 List:
References
50-483-81-07, 50-483-81-7, NUDOCS 8105120039
Download: ML20008F785 (5)


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U.S. NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT

REGION III

Report No. 50-483/81-07 Docket No. 50-483 License No. CPPR-139 Licensee: Union Electric Company P. O. Box 149 St. Louis, MO 63166 Facility: Callaway, Unit 1 Inspection At: Callawa Site, Callaway County, M0 Inspection Con ucted: Varch 2-31, 1981 Inspector *

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Approve By:

J. E. Konklin

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Projects Sec on 2A II,

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Inspection Summary Inspection on March 2-31, 1981 (Report No. 50-483/81-07)

Areas Inspected: Routine inspection by the IE Regional Resident Inspector (RI) of safety-related construction activities including protection of the reactor vessel and other components of the nuclear steam system supplier (NSSS); welding of safety-related piping systems; electrical work; non-destructive testing; concrete placement; and post tensioning work on the containment dome. This inspection involved a total of 39 inspector hours onsite by one NRC inspector including 6 inspector hours oneite during of f-s hif ts.

Results: No items of noncompliance or deviations were identified.

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i DETAILS'

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Persons Contacted Union Electric Company (UE)

  • W. H. Weber, Manager Nuclear Construction M. E. Doyne, General Superintendent, Callaway Construction
  • R. L. Powers, Superintendent of Site Quality Assurance
  • J. Laux, Supervisory Engineer Quality Assurance Construction
  • H. H. Hess, Quality Assurance Consultant S. M. Hogan, Assistant Quality Assurance Engineer

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R. Veatch, Assistant Quality Assurance Engineer Daniel International Corporation (Daniel)

  • H. J. Starr, Project Manager W. L. Sykora, Assistant Project Engineer The inspector also contacted and interviewed other licensee and con-tractor personnel, including craftsmen, QA/QC, technical and engineering staff members.
  • Denotes those atter. ding at least one of the exit meetings.

Functional or Program Areas Inspected 1.

Plant Tours i

i One or more plant areas were *.aured several times during the re-porting period to observe general construction practices; area

cleanliness and storage condition of equipment, piping, and elec-

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t.rical cable.

No items of noncompl!ance or deviations were identified.

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Concrete Placement During the reporting period, concrete placement 26261W22 a.

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(Pressurizer Control Room Walls) was observed.

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During the placement the following conditions were noted.

t (1) The forms were secure, leak tight, and had been wetted prior to the placement.

l (2) The preplacement inspection had been completed and i

was in order.

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)(3) Quality Control inspectors were assigned to the placement crew in addition to those assigned to perform ~ periodic concrete testing.

(4) Concrete testing was' performed at the required frequencies.

-(5) Adequate numbers of: crews.and personnel' were assigned. to make the placement.,

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(6) The placement was satisfactory.'

The inspector observed _the moist curing of concrete :and grout test cylinders at the. concrete. test lab. The test specimens'were-in the proper curing atmosphere.

No items-of noncompliance or deviations were-identified.

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Piping System Nondestructive Testing D,. ring the reporting period the inspector observed nondestructive a.

testing (Liquid Penetrant) of piping end preparations for welds BB02-FW-02 and BB02-FW-03.

'(1) The surface of the weld-was satisfactory for the performance of liquid penetrant examination.

(2) The technique observed to be used was -satisfactory.

No items of noncompliance or deviations were identified..

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Nuclear Steam System Supplier (NSSS) Equipment The inspector observed the inplace storage and protection of i:SSS components and piping. The piping assemblies, reactor vessel internals, and reactor vessel head were properly stored and protected.

No items of noncompliance or deviations were identified.

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Electrical Cable Installation During the reporting period, the inspector observed work including a.

installation, handling, and protection of electrical cables.

Specifically, work associated with the electrical cables listed-below was observed.

(1) Cables 4GGYO9BD 4 GLY 16AD 45 AZO 2BB 45 AZO 2EB b.

The cable was pulled from coiling points into control room electrical cabinets.

It was observed that:

(1) Pull cards were in use, (2) the cables were identified, (3) Quality Control inspections were performed and Quality Control personnel witnes-sed the pull.

No items of noncompliance or deviations were identified.

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Fabricatisns of Safety-Related Piping Systems During the ' reporting period, the inspector observed work including a.

handling, trotection, inspection,- and welding of safety-related piping systems.

(1) Chemical end Volume Control System

'2B9-10-FWO81 (2) Component Cooling Water System f

2E6-07-FW19 2EG-09-F034 (3) Liquid Radwaste System 2HB-24-FWO81C For each of these welds one or more of the following fabrication activities was observed. Handling and protection of piping and partially completed welds was satisfactory. Purge gas was cor-rectly used. The weld area was free of any grease or particles.

The joint fit-up dimensions were within procedural requirements and the welders were certified as qualified for the procedure specified to be used for welding the pipe joint.

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Containment Structure Prestressing During the reporting period the inspector observed the handling a.

and installation of a verticle U tendon, observed anchorage fabrication, reviewed the work procedures and assisted a regionally based inspector in review of this work area.

(1) Tendon U-23 was observed as it was installed. The tendon was free of nicks and corrosion, contractor. inspection was performed as required by approved procedures. During installation one wire was kinked and was identified by a-Nonconformance Identification' Tag.

(2) The installation of button heads on tendon U-68 was observed. The heads were checked for size, concentricity and the presence of unacceptable cracks and tears.

(3) The review of work procedures and Quality Control require-ments, and the activity of the regionally based inspector will be reported in NRC Report 50-483-81-06.

No items of noncompliance or deviations were identified.

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  • Other Activities The inspector assisted J. Foster and.h. -aey in an iru-stigation of allegations concerning piping. -The results of the investigation are contained in NRC Report 50-483/81-04.

'The. inspector assisted J. Foster ~in an investigation of ~ allegations concerning electrical quality control. The'results of the investigation are contained in NRC Report 50-483/81-08..

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The' inspector attended an Atomic Safety and Licensing Board Panel Meeting on March-24', 1981.

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Exit Meetings

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The resident inspector attended exit meetings conducted by RIII inspectors ~

on March'6, 20, and 27, 1981.

The inspector met with Licensee representatives (denoted _under Persons Contacted) on March.13 and 31, 1981 and other occasions throughout the month. ~ The -inspector su==arized the scope and findings of the inspections performed. The Licensee representatives acknowledged the

. findings reported in previous paragraphs.

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