ML20199J166

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Submits Summary of ISFSI Lid Welding Demonstration to Be Held 990118-25.Dates & Days Are Tentative & Can Be Adjusted as Necesssary or as Required
ML20199J166
Person / Time
Site: Trojan  File:Portland General Electric icon.png
Issue date: 01/14/1999
From: Zimmerman G
PORTLAND GENERAL ELECTRIC CO.
To: Kobetz T
NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
References
NUDOCS 9901260075
Download: ML20199J166 (1)


Text

Seni By: PGE; 5035567002; 14 Jan'99 99:2 GAM; Job 425;Page 9 /1 l

, l GARY flMMERMAN - Nrcsched.wpd Page1 ISFSI Lid Welding Demonstration @My Jan 18 to Jan 25:. @ o 77 The plan is to have two primary operations in progress at the same time. Arca one will have a mock-up ofu the basket inside of the transfer cask with robot til. Arca two will have a mock-up of the overpack inside a storage cask with robot it2. Preliminary step > in the procedures will be

. completed up to the points outlined below.

WeJud

_Me . Entrance meeting with NRC inspectors. Procedure reviews.

We.M Basket: Install shims and tack. Complete shicid lid weld. Visual and l'T.

Overpack: Tack lid. Start weldout. PT every 1/4".

Wednesday: Basket: Fit-up backing ring. Start weldout on structural lid. P l' every 1/4".

Overpack: Continue weldout. PT every 1/4".

Thursday: Baskel:. Continue wcldout on structural lid. PT cvery 1/4".

Overpack: Complete weldout. PT every 1/4". Set seal ring #1 und weld Friday: Basket: Complete structural lid weld.

Overpack: Weld Disconrect Cover and seal ring #2. PT Onal. Complete.

St wh Monday:

Basket: Weld out 8" access cover plates. PT cach weld. Basket Complete.

Overpack: Set up cutting gear, b5"Tuesday: Basket: Cut out access cover plates (on mock up or bench test plates).

Overpack: Complete cut-out of overpack lid.(process the same for basket welds).

D, Wednesday: Exit Meeting.

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