ML19317G638

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Forwards Insp Rept 50-312/72-04 on 720913-15. No Noncompliance Noted
ML19317G638
Person / Time
Site: Rancho Seco
Issue date: 10/11/1972
From: Rich Smith
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To: Mattimore J
SACRAMENTO MUNICIPAL UTILITY DISTRICT
Shared Package
ML19317G639 List:
References
NUDOCS 8003250694
Download: ML19317G638 (2)


See also: IR 05000312/1972004

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ATOMIC ENI:RGY COMMISSION

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no rtECTor# ATfg Of* top finst. A TottY OPOW ATIONS

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October 11, 1972 8

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. Sacramento Municipal Utility District

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. Docket No, 050-0312 'L ' * h $

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(P.O. Box'15830

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,) *AttentionU'Mr. John J..Mattimoa

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Gentlemen!

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This refers to the inspection conducted by Messrs. A. D. Johnson and R. T. Dodds >

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,of this office on September 13-15, 1972, of activities authorized by AEC

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Construction Permit No. CPPR-56, and to the discussion of our findings held

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by Mr. Johnson and Mr. Dodds with Mr. Mattimoe and other members of your staff-

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,at the conclusion of the inspection.

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Areas examined during the inspection included (1) post tensioning of the

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t . containment, building, (2) repair of the steam generator lateral supports,

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(3) reactor coolant pump supportn, (4) installation of primary coolant piping,

(5) inspection and repair of control rod drive pressure tubes, (6) measurements -

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of the wall thickness of valves connected to the primary system, (7) key switch

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j , interlocks, (8) use of paddle type flow nwitches, (9) nonconformance reports,

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and (10) preoperational test program and tent procedures. .Within these areas,

the inspection consisted of selective examinations of procedures and repre-

nentative records, interviews with project personnel, and observations by the

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inspectors.

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The innpcetion nino included an examination of the actions you have taken with

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renpect to the items identified in our letter of July 26, 1972 and your response

dated Augunt 17, 1972. We have no further questions concerning those items.

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No itema of noncompliance with AEC r*cquirements were identified within the

areas examined during this inspection.

It is our understanding with renpect to the following items, that you int'end

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to take the actions indicated.

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The procedures for the control of fflier metal and the usage of the

portable warmers for electrodon wil.l. be examined to assure that proper

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documentation is required for materini issued and that adequate environ-

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mental controls are specified for clie electrodes.

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The documenting ~of inspection checlus, including essential welding

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variables, will be examined and mennures taken to ensure that the records

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furnish sufficient evidence that the welding of Class I piping has been

performed in accordance with the npplicable procedures,-

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Sacramento Municipal

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October 116 1972

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M{.' l3. , Evaluation of the cause of containment building tendon strand slippage

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sbe conducted prior to the building over-pressure test, will be

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limited to lift-off tests of the tendon containing the slipped strands

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,,These items will be examined during the next-inspection.

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"!Should you hav'e any questions concerning this inspection, we will be glad

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Sincerely.

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R. J. Rodriquez, SMUD

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V. P. McMahon, SMUD

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RO AD for Procedue .

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RO AD for Inspect .c.: & Enforcement

L, DD for Reactor Projects

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