Jon Wright
There was a really good thread on one of the Reef forums about diy stands. ReefCentral maybe? Was quite long, but gave formulas and plans for stands for tanks up to huge sizes (110+). Probably could get some good ideas about how to construct a rack there, even if you don’t use the plan fully.
Check this http://www.reefcentral.com/forums/showthread.php?threadid=1169964