The most effective (and easiest) time to detail the air barrier is during the framing stage. If it isn't specified during design, ain't no way the framers are gonna get it right.
18 Videos, articles, and animations showing you how to get through Section 1 of the Energy Star Thermal Bypass Checklist: continuity between the air barrier system and the thermal envelope.
"Seventh-grade shop was probably the most fun I had in all my school days. That was kind of the beginning of my woodworking career. Here I am, decades later, still sort of in seventh-grade shop."
—Edward Wohl
The non-structural requirements are pretty simple for guard rails: if there's a fall hazard, make a guard, and keep it such that it will actually stop people from falling.