Passthrough Node - Infinite Loop Issues with Sastrugi Pick Points Node

Relate filesd are attached.
temp3a - extracting beam locations with move and delete and rotation.dyn (280.3 KB)

beam reactions.xlsx (26.3 KB)

An example of what I am shooting for is located here (rotating first, moving second now):

As an FYI, I was able to solve the infinite loop part of my problem with a few more passthrough nodes, but my Sastrugi node still prompts too early in the script.

Thanks for your help!