J. Kissel, D. Nadnakumar, C. Vorvick

Given the tight space and sparse optical table hole pattern, I volunteered to help Cheryl and Deepak come up with better dog clamping scheme for HA-1  (D0902385) and P1 (D1003019) baffle (whose locations are specified roughly in D1200694 -- but without all the other components surrounding it). 

We ended up using the following scheme:

For HA-1:
     - Corrected the attachment of +X-side table bracket (D1003011), such that both are now as shown in D1200694, where the two brackets are mounted to opposing sides of the baffle: -X bracket's foot points toward -Y, and +X bracket's foot points toward +Y.
     - Securing +X bracket's foot:
        - Dog Clamp: iLIGO LOS (no S/N), 
        - MT. HOLE: A12, B34 
        - Contact Point: as shown in D1200694.
     - Securing -X bracket's foot
        - Dog Clamp: D1100640-V2, Type 01 (S/N 001) 
        - MT. HOLE: A10, B34
        - Contact Point: as shown in D1200694.

For P1:
     - Securing -X bracket's foot:
        - Removed dog-clamp-on-dog-clamp scheme tried before
        - iLIGO Dog Clamp (no S/N) 
        - MT. HOLE: A9, B30 
        - Contact Point: on the other side of the foot that what's shown in D1200694
     - Securing +X bracket's foot
        - (NO CHANGE FROM PREVIOUS ATTEMPT)
        - Dog Clamp: D1100640-V1, Type 01 (S/N 031)
        - MT. HOLE: A11, B29 
        - Contact Point: as shown in D1200694


Attached are images with annotations. As noted in HA1Baffle.pdf --> With this scheme, it's unclear whether the aperture in the HA1 baffle is well centered around the beam path (the whole is appears too far in the +X direction), and currently the fork securing ROM LH4 prevents any further translation in -X.