LIGO Document E0900444-v2

DCN for D0900857-V2 "GS13 Pod Assembly, aLIGO BSC ISI" and parts described in this DCN.

Document #:
LIGO-E0900444-v2
Document type:
E - Engineering documents
Other Versions:
Abstract:
DCN for D0900857-V2 "GS13 Pod Assembly, aLIGO BSC ISI" and associated files.
Files in Document:
None
Keywords:
DCN GS13 Pod aLIGO BSC ISI
Notes and Changes:
LIGO-D0900857-v2: GS-13 Pod Assembly, aLIGO BSC-ISI
- Added a note: "10. REFER TO EACH INDIVIDUAL PART DRAWINGS FOR LIGO MACHINING AND WELDING SPECIFICATIONS."
- Specified which version of the DCN releases it: E0900444-v1
- Updated the revision block

LIGO-D0900859-v2
- Note 7 has been completed with "All trapped volumes must vent to inside".
- updated the revision block (DCC revision #, Drawing tree update...)
- Note 15, "ELECTROPOLISH BEFORE WELDING" replaced by "ELECTROPOLISH AFTER WELDING"
- Note 15 completed with "MASK CF FLANGE GASKET SURFACES"
- the weld symbol on the inside spec now a 1/2-3 Length-Pitch (To not trap gas between the external and the internal weld).
- added a MMC
- BOM, Item 1, completed with "or MACHINED TO SAME DIMENSIONS AND TOLERANCES".

LIGO-D0900860-v2: GS-13 Pod BaseFlange
- Specified which version of the DCN releases it: E0900444-v1
- Updated the revision block
- LIGO Spec was "D0900364-V1", now is "D0900364"
- View detail B, completed with the note "3 places".

The following parts and assemblies are unchanged:
LIGO-D0902777-v1: GS-13 Pod, Vertical Assembly, aLIGO BSC-ISI
LIGO-D0902778-v1: GS-13 Pod, Horizontal Assembly, aLIGO BSC-ISI
LIGO-D0900858-v1: GS-13 Pod Interposer
LIGO-D0902541-v1: Diaphragm, Vert GS-13, aLIGO BSC-ISI
LIGO-D0902583-v1: Spacer, Horz GS-13 Stiffener, aLIGO BSC ISI
LIGO-D0901832-v1: GS-13 Horiz Stabilizer Assembly. aLIGO BSC-ISI
LIGO-D0901829-v1: GS-13 Stabilizer Plate, aLIGO BSC-ISI
LIGO-D0902800-v1: Custom Weld nut, GS13 Diaphragm, aLIGO BSC-ISI

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