ML20154J833

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Endorses Encl H Denton & R Minogue 850812 Memo Re Draft Rev 2 to Reg Guide 1.99 Concerning Method of Calculating Rt(Ndt) Different from Pressurized Thermal Shock Rule.Rule Should Be Maintained Until Reg Guide Completes Review Process
ML20154J833
Person / Time
Issue date: 08/22/1985
From: Dircks W
NRC OFFICE OF THE EXECUTIVE DIRECTOR FOR OPERATIONS (EDO)
To:
NRC COMMISSION (OCM)
Shared Package
ML20151L097 List:
References
REF-GTECI-A-49, REF-GTECI-RV, RTR-REGGD-01.099, RTR-REGGD-1.099, TASK-A-49, TASK-OR NUDOCS 8603110073
Download: ML20154J833 (1)


Text

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. L AUG 22 M MEMORANDUh FOR: The Comission FROM: William J. Dircks Executive Director for Operations -

SUBJECT:

PRESSURIZED THERMAL SHOCK RULE In the Comission Paper SECY-85-262 dated July 26, 1985, 1 notified the Comission that a Draf t Regulatory Guide (Revision 2 of Reg. Guide 1.99) presently unaerRT for calculating development by the Staff, but not issued, includes a method HDT differcat from that included in the recently issued Pressurized Thermal Shock rule. I stated that we are looking into the issue and would keep the Comission informed.

Enclosed is a memorandum from Harold Denton and Robert Minogue to me, that lays out the issue and how it will be resolved, which I endorse. In essence, Messrs.

that we Denton and regulate Minogue against it. recomend that the PTS Rule remain in place and through the normal processes including CRGR review and ACRS revi be published for public coment.

Some time in the future, after resolution of coments received on Reg. Guide 1.99, we would consider revisions to the rule if justified and publish Reg. Guide 1.99, Revision 2 in effective form.

We will continue to keep you informed.

(Signe@ William J. Din:ki William J. Dircks Executive Director for Operations

Enclosure:

Memo to Dircks fra Denton cc: SECY and hinogue dtd 8/12/85 OGC OPE I DISTRIBUTION:

MEBR r/f HDenton Dircks MEBR s/f DEisenhut RES files EDO R/F pVStello Roe RMinogue TSpeis Rehm Dross FSchroeder GArlotto PHandall CSerpan j ,

MEBR PHRandall k g/vb C erpan D/DET' D /RES D) ED0 // T

  • 8/co/85 t\SAArl tto s RBtfinogue WJDircks 8/as/85 8/7 # 85 85

__ 8/p85 8g/85

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