VRB response to waiver request L0900058

Document #:

LIGO-L1000022-v1

Document type:

L - Letters and Memos

Abstract:

Some RAL parts were bead blasted and a waiver was requested.

22nd April 2015. A file called "BS structure acceptance criteria" has been added which captures email trail and summarizes final decision. The decision was to rework the bead-blasted parts.

Files in Document:

• L1000022.pdf (23.6 kB)

Other Files:

• BS structure acceptance criteria.pdf (141.6 kB)

Topics:

• Vacuum

Authors:

• John Worden
• Norna Robertson

Related Documents:

• LIGO-L0900058: Request for waiver on glass shot blasted parts (BS/FM stay brackets)

Referenced by:

• LIGO-E1500147-v1: aLIGO, Waiver Log