N6833519R0001_Q&A.docx
DOCX document 14 KB Posted
- Solicitation number
- N6833519R0001
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| File | Type | Posted |
|---|---|---|
| N6833519R0001-0001.docx | DOCX document | |
| N6833519R0001_Q&A_(2).docx | DOCX document | |
| CSS_Statement_of_Work.pdf | ||
| List_of_CSI_-_Critial_Drawings.pdf | ||
| https://safe.amrdec.army.mil/safe/ | — | |
| N6833519R0001___.59.pdf | ||
| CSS_CDRL_Package.pdf |
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Text version
Below please find questions received in response to FBO RFP posting:
Cryogenic Service System (CSS) 2000 Gallon Nitrogen/Oxygen Tanks N6833519R0001
1) Can you confirm the design pressure and temperature of the inner and outer vessels on the project?
A) Inner Tank :
MAWP is 55 PSI @ Max Temp of 100 Deg F.
Min Design metal Temp is -320 Degrees F at 55 PSI
On the outer tank, for pressure:
Outer Tank : The outer shell shall be designed and constructed for a working pressure that will insure sufficient strength and rigidity to prevent distortion or damage when the annular insulation space is evacuated to 50 microns Hg or pressurized to 30 psig.
On the outer tank, for temperature we have the chart below showing the environmental extremes the whole Cryogenic Storage System could be subjected to:
| LOW TEMPERATURE |
| HIGH TEMPERATURE |
| EXPOSURE CATEGORY |
| OPERATING |
| NON- |
OPERATING
| OPERATING |
| NON- OPERATING |
| Unsheltered |
| -40°F (-40°C) |
| -60°F (-51°C) |
| 122°F (50°C) |
| 160°F (71°C) |
2) Are you able to provide a digital (stp/iges/parasolid) 3D Model for the drawings that have been re-done within the drawing package?
A) No, we do not have 3D Model drawings.
* We cannot allow for any extensions on proposals.
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