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Message ID: 2007     Entry time: Tuesday, October 15, 2019, 16:42
Author: Isaac Earle 
Category: Safe Module Parking 
Type: Development 
Module:  
Target/Number:  
Subject: SMP flange alignment tested using shield plug 

 As a preliminary test in preparation for SMP commissioning, one of the steel module shield plugs was installed into the SMP to check the positional and rotational alignment procedures.  The following is a summary of the steps performed:

  1. Shield plug lifted with crane and rotated to an arbitrary (non-orthogonal) position
  2. Using the crane pendant the shield plug was roughly aligned over the SMP and lowered until the base was within 15cm of the top of the flange
  3. The SMP flange was rotated to roughly match the orientation of the shield plug 
  4. Precise positioning of module achieved visually from within the Target Hall using crane for NESW position and SMP for rotation
  5. Module lowered into SMP vessel (not resting on base of vessel)
  6. Target Hall crane was then set to "Test Mode" and operated from the crane control room
  7. Crane position with the module centered in the SMP vessel was recorded as E-W: 18.5495m,  N-S: 4.9065m
  8. The shield plug was lifted from the SMP, moved to an arbitrary location in the Target Hall, and set to a different arbitrary rotational position
  9. The SMP flange was returned to the "centered" position
  10. The shield plug was moved to the previously recorded location over the SMP and lowered to within 15cm of the top of the flange (using cameras)
  11. Steps 3-5 were repeated using only camera views to achieve alignment (SMP rotation was controlled using the pendant with instructions by phone from the crane room operator because the module for remote control currently requires a part to be changed)

Official commissioning of the SMP will now be planned as per the commissioning plan Document-170404

 

 smp1.jpg

 

smp2.jpg

 

smp3.jpg

 

smp4.jpg

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