ML20154M130
| ML20154M130 | |
| Person / Time | |
|---|---|
| Site: | 07109198 |
| Issue date: | 02/27/1986 |
| From: | Macdonald C NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| To: | NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| References | |
| NUDOCS 8603130329 | |
| Download: ML20154M130 (2) | |
Text
7/-9/N FCTC:CEM RB27 5 71-9193 MEMOP.ANDUM FOR:
The Files FR0f!:
Charles E. NacDonald, Chief Transportation Certification Branch, FC, ft!SS
SUBJECT:
StUFARY OF MEETING WITH CNS CONCERNING DF0P TEST OF CASTOR-t!TR Attendees GP45 /CNSI, t.t.Hl.
NRC D. Rittscher C. Chou C. Chappell H. Geiser it. Schwartz U. Anderson R. Anderson
!f. Uitte H. Graves l
P. Highberger C. Mact'onald i
J. Migenda
!!. Lee l
Introduction At the reouest of CNSI, a Deeting was held at Silver Spring, faaryland, on February 7.6, 1906, to discuss the test of the CASTOR-f'TR.
Discussion On January 23, 1986, a full-scale CAST 00-MTR cask with an induced flaw was dropped from a height of 9 m onto an unyielding surface and from 1 m onto a 6-inch diareter pin. CNS stated that sectioning of the cask indicated that there was no growth of the induced flaw.
Gt!SI has provided the NRC with infomation on the tests and the CASTOR-t HTR cask. Much of the infornation provided, including infornation on test failures, has been requested to be withheld forn public disclosure by GNS. The characteristics of the test cask and the existing casks were discussed. It was noted that except for K
, the test cask appeared to have better characteristics than the other cbks. The test cask had better ductility and higher ferritic content than the casks proposed to j
be used.
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The Files C'iS stated their desire to nake a shipment by the end of I' arch. GNS was inforned that the review had not been scheduled and that l' arch did not seen feasible. The staff noted that it was only January of this year that it learned of failures in previous tests conducted in 1933 of nodular' cast iron casks. The staff requested this infornation from GflS i.% Fetruary 1984 At the tine the staff requested information on nndular cast iron casks, it was not aware of the test failures that occurred.
The staff indicated that it would have to reassess the basic question of whether nodular cast iron should be used in shipping casks in view of 10 the test failures.
It was sugoested that GNS ray want to surplement the infornation provided to fully explain the failures and why they are not applicable to the CASTOR-MTR cask.
Oririnal Signed LY CHAnLES E. MAO' Charles E. !'acDonald, Chief Transportation Certification Rranch Division of Fuci Cycle and t'aterial Safety, mss Distribution:
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