Hey, where can we go to find the design you're talking about? Can you post that link?
I have the drawings as a subcontractor bidding on the job. It's a public bid, so I suppose there is no harm in sharing site and demo plans.
https://www.dropbox.com/sh/lksbwu0luoajhcb/AADCainEcOkPrteRfrihfizda?dl=0