ML19323G117

First Interim Deficiency Rept Re Incorrect Insulation Weight Used in Piping Analysis.Drawing Data Will Be Reviewed

ML19323G117
Person / Time
Site:	Sequoyah
Issue date:	05/23/1980
From:	TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML19323G114	List: ML19323G113 ML19323G117
References
MCR-SQN-CEB-800, NUDOCS 8005300417
Download: ML19323G117 (1)

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ENCLOSURE SEQUOYAH I;UCLEAR PLANT UNIT 2 INCORRECT INSULATION UKIGHT USED IN PIPING ANALYSIS 10CPR50.5S(e)

NCR_SQN CEB 8008 , ,

FIRST INTERIM REPORT Description of Deficiency Insulation uaights that were originally provided ucre used in the pipin;; analysis. When the "as-constructed" insulation drawings are received, th=y are reviewed to determine if any significant changes were made that affect the scisraic analysis. Upon review of the piping analysis for unit 1, a discrepancy between actuci insulation weight and the d..ta used for the piping analysis was discovered. A similar situation may also exist for unit 2.

Corrective Action When the "cs-constructed" insulation drawings for unit 2 are received, tha infomation will be compared with the data used in the unit 2 pipin;; analysis. When this review is complete, TVA can determine if a sic.ilar concern exists for unit 2 and uhat corrective action, if any, is required. -

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