Update 7b
The roofers have arrived! They sent 3 guys to basically just check everything is ok and spray the steel with rustproofing. The rustproofing is the red stuff that looks like rust in the video

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Yesterday was a day off since there is not much work to be done while we await the blocks to arrive and becauseit was the day after payday; and the workers need to rush home and take care of bills or whatever. We have a skeleton crew of just a few people going over things meticulously and finding "busy work" to do.
The video shows a view from the 2nd floor looking down and around. Note the standing rainwater in the sunken den/entertainment room. It is proof positive that if moisture can't get out because of the plastic sheeting underneath, it sure as heck can't get in. No, it doesn't harm the concrete.
The 2nd floor flooring is complete. The "holes" are not rooms and will be covered by the roof. Yea, yea, yea...I haven't posted the floor plan yet because (pick one):
A. I am too lazy.
B. I do not have access to a large enough scanner.
C. I am waiting for Dozer to revise his website JUST to make it easier for me to upload directly from my iPhone.
D. All of the above.
The other video shows the "leftover" steel rebar. Nope, not tossing it out. All that will be put to use when we pour the driveway. It should be strong enough without all of that stuff, but we have it and therefore we shall use it.
So with not much to do this week, I'm rethinking some choices I made previously. Things like vinyl or aluminum windows; custom or standard sizes? There are a least 3 good threads already on the topic, and every question I had was answered there. Rather than order now, I am going to wait until after the walls are up and painted, then order when we start laying the floor tiles. The windows and doors should arrive just near the end of the project. Perfect.
Something I am very happy with about doing this myself versus a "company build" is that I can change whatever I want whenever I want. No muss, no fuss, no re-drawing anything. "Eh, let's put a window over there. Let's not build a closet here." Etc., etc. Bam! Done.
Truth be told, this B house plan I am building did not go through the virtual walk-though mock up and all the other hi-tech preparation that I did with my A plan. We're building a house I rented a few years ago and LOVED. The plans are so old they were printed on onion paper! The house is just as old (over 40 years?), but damn if it isn't the most stucturally sound house I have ever seen in Thailand with an original CPAC roof one could easily mistake as new. The windows on the house plan are waaaay out of date and we are making some improvements there and other places (optional stuff I mentioned previously) as we go along. I am loving it!
Take-away lesson: Nothing beats freedom!