ML20059E894
| ML20059E894 | |
| Person / Time | |
|---|---|
| Site: | 07109019 |
| Issue date: | 12/22/1993 |
| From: | Vaughan C GENERAL ELECTRIC CO. |
| To: | Haughney C NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| References | |
| NUDOCS 9401130021 | |
| Download: ML20059E894 (1) | |
Text
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December 22,1993 Mr. Charles J. Haughney, Chief Transportation Certification Branch Division of Fuel Cycle & Material Safety U.S. Nuclear Regulatory Conunission Washington, D.C. 20555
Dear Mr. Haughney:
References:
(1) Consolidated Application for BU-7 Package, C.M. Vaughan to C.J. Haughney,12/3/93, Submitted on 12/10/93 (2) Telephone Conversation of 12/9/93, C.M. Vaughan et al GE and C.J. Haughney et al US NRC (3) Letter, C.M. Vaughan to C.J. Haughney, 12/14/93 This letter is to correct and clarify a statement in my letter to you dated 12/14/93. The last paragraph on page 2 states that each of the 1,28016-gallon inner drums were pressure tested internally and externally at an equivalent pressure of 50 feet. There were in fact two different tests conducted on these inner drums; one with water pressure and one with air pressure.
The water aressure test was conducted with the force applied on the exterior of the inner (rums to demonstrate the structural and seahng capability of the unit. The air pressure test was conducted with the force applied on the inside of the drum to demonstrate the sealing capability of the lid.
'Ihe exterior pressure test consisted of applying water pressure of 147kPa for 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />. This is equivalent to a 15 meter water submersion test.
The interior pressure test consisted of applying air pressure of 74kPa to the inside of the drum and verifying that no bubbles appear in a soap bubble snoop test. This pressure is equivalent to 7.6 meters of water pressure.
In both tests, all the BU-J inner drums passed and were shown to meet design specifications in that they were both structurally sound and leak tight.
I apologize for any inconvenience this may have caused in your review.
Sincerely, GE NUCLEAR ENERGY U50Ca2 f.ryf!/guf j[{b{
NOIIS00$k $1$$$19 C. M. Va ghan, Manager g
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