For our current campaign, we're using a version of LeTourneau's Overland Train (rather than the Science-One, especially).
http://asmrb.pbworks.com/w/page/5426...Scientific-One
It's also employed by engineering teams, with some of the concepts found in the FAMECE system:
http://asmrb.pbworks.com/w/page/5307...erland%20Train
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Michael B.