LIGO Document E1200151-v1
- DCN-Revision to Quad Upper Structure Top Ring
- By request of Systems Engineering, D060493 (Quad Upper Structure Top Ring) is to be revised by Vendor NTE per LIGO engineering red-line.
Revision entails addition of an inner lip at the two stage connection ends for accommodation of clamping from the inside of the Quad Upper Structure (parent weldment) at Sub-System installations (Quad, TMS).
Affected parent weldment D060492 will be revised concurrently.
Signatures will be requested when the new NTE revisions are posted.
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