Dwight...having built a small barn and estimated for a GC and subcontractors, I understand and agree with scaffolding methods here.
But in light of the desire to complete this largely-done roof as a major weather shield, and to clear away ASAP most scaffolding to make way for site grading and wall sheathing, am still curious as to why da roof is not already complete ahead of north doors' framing?
Recent rain mud under an unfinished roof bay made that work more of a chore.
The "Roof Rats", of whom you may be a member, per pics, have done an outstanding job.
And sturdy, large-door framing is essential, no doubt.
Not being onsite also hinders my understanding of perhaps other demands unknown to me.
Please understand my impatience to see this project completed, as do probably many other WW&F world-wide boosters.
And I'm the last guy, who has helped restore soon-done ATSF 4-8-4 2926, and threaded Sced 80 steam pipe and re-wired 489 in C&TS's engine shop, to criticize volunteer labor.
Cheers.