ML20055D686

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Application for Amend to License CX-22,modifying License to Possess Up to 1,200 Spert (F1) Fuel Pins
ML20055D686
Person / Time
Site: Rensselaer Polytechnic Institute
Issue date: 06/11/1990
From: Harris D
RENSSELAER POLYTECHNIC INSTITUTE, TROY, NY
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9007090293
Download: ML20055D686 (1)


Text

Rensselaer

_ . .. s Inepartment of Nuclear 1.ngineents & Enoncerum l'hysics June 11, 1990 Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555 Dear Sir.s {

lease modify Facility License No. CX-22 Docket No.

50- , to possess up to 1200 SPERT(F1) fuel pins, from the presently permitted 600 such fuel pins. The 600 additional fuel pins are reQulred for further experiments, particularly those involving low density moderator.

The Fuel Vault at the Rensselaer Polytechnic Institute (RPI) Reactor Critical Facility (RCF) contains 42 Fuel Storage Tubes to which will be added 39 more for a total of 81 Fuel Storage Tubes. Each Fuel Storage Tube is licensed to hold up to 15 SPERT(F1) fuel pins, so that 81 x 15 = 1215 SPERT(F1) fuel pins can be stored. The calculations which demonstrated criticality safety assumed an Infinite array of Fuel Storage Tubes, so the change from 42 to 81 such tubes is not significant in this regard. The increase of weight to about 1000 kg of SPERT(F1) fuel is not  !

signigicant because about 1000 kg of plate type fuel was stored-In the fuel rack until 1975.

Sincerely, .

Dr. Donald R. Harris, Director RPI Reactor Critical Facility (RCF)

DRH:jjd cc: Theodore S. Michaels, USNRC Robert C. Block, Dept. Head (RPI)

Arthur E. Bergies. Dean, School of Engrg. (RPI) j Gary Judd, Vice Provost (RPI)

Robert Ryan, Director, Office of Radiation Safety (RPI)

Peter Angelo. Supervisor (RPl/RCF)

Robert C. Rohr, Adjunct Prof. (RPI)

Richard Cacclaponti, Yankee Atomic Electric Co.

/48 Jonsson Engineering Center G18) 2764102

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