From ljones@acrux.ligo.caltech.edu Thu May  3 10:52:45 2001
Subject: 40M mechanical items status

Here's the current status of parts for assembling
the vacuum envelope and isolation stack systems
for the mode cleaner addition at the 40M lab
(this does not include cable systems, viewports,
ConFlat seals, or external bolts):

Item    Description             Status  Location

1. Mode Cleaner Chamber:
        Shell                       Ready  40M
        Closures                    Ready  40M
        4 Support Beam Weldments    Ready  40M
        Bottom Plate                Ready  40M
        Top Plate                   Ready  40M
        4 Bellows                   Ready  40M
        Cross Beam, 1 Pad           Ready  40M
        Cross Beam, 2 Pad           Ready  40M
        3 Pad Assemblies            Ready  40M
        Chamber Stand               Ready  40M
        Top Plate for Stand         Ready  40M
        Shims for Stand Legs        Note 1 N/A
        Lower Leg Element           Note 2 40M
        Mid Leg Element             Note 2 40M
        Optical Table               Note 2 40M
        Elastomeric Springs         Note 3 40M
        12 3/8-16x3.5" SP SHCS      Ready  40M
        8  1/4-20x2.0" SP SHCS      Ready  40M

2. Interconnecting Tube System:
        8" OD Tee                   Note 4 Allied
        8" OD Gimbal                Ready  40M
        2 8" OD Tubesx146.1" Long   Ready  40M
        8" Adjustable Bellows       Ready  40M
        Zero Length reducer, 8x10   Ready  40M
        10" OD Tubex119.32" Long    Note 4 Allied
        10" OD Tee                  Note 4 Allied
        2 Camera Optics Setups      Ready  40M
        2 Support Stands            Ready  40M
        Bellows Bracket             Note 1 N/A
        Tube Bracket                Note 1 N/A
        29" OD Door w/10" Port      Note 4 Allied

3. Output Optics Chamber:
        Shell                       Ready  40M
        29.5" ID Adj. Bellows       Note 4 Hyspan*
        Support Beam Weldment       Ready  40M
        Cross Beam Weldment         Ready  40M
        7" Isolation Bellows        Ready  40M
        Rear Isolation Bellows      Ready  40M
        3 Pad Assemblies            Ready  40M
        3 Lower Beam Clamps         Ready In Transit
        2 Upper Beam Clamps         Ready In Transit
        1 Upper Beam Clamp          Ready  40M
        Support Plate               Ready  40M
        3 Leg Elements              Ready  40M
        2 Earthquake Stop Nuts      Ready  40M
        2 Earthquake Stop Bars      Ready  40M
        Top Leg Element             Ready  40M
        Top Plate (Optics Tbl)      Ready  40M
        Mult. Viton Springs         Ready  40M
        12 5/8-18x2.0" SP SHCS      Ready  40M
        6  5/8-18x4.0" SP SHCS      Ready  40M
        Viton O-Ring Set            Ready  40M

4. Miscellaneous Items:
        Concrete Anchors            Note 1 N/A
        Insulation Board            Note 1 N/A
        Elastomer Sheet             Note 1 N/A

Note 1: Speccing and/or design are yet to be
completed, as well as procurement/fabrication.

Note 2: These items need to be solvent wiped and
confirmed clean with a pumpdown/RGA scan.

Note 3: These springs are made of silicon. If
we can find what had been processed and scanned
previously, we'll confirm with a pumpdown/RGA
scan. We have many to choose from; at the worst,
we'll need to reprocess and confirm clean with
a pumpdown/RGA scan.

Note 4: To be cleaned and FTIR confirmed at
Allied/Alameda. Expected completion and receipt
on campus is 11 June.

*This item is scheduled to be shipped this week.
Confirmation and actual date have not yet been
determined.

Larry