Good Embed vs Lack of Planning
Good steel embeds vs lack of planning in window openings. Modern best practices have embed plates placed during concrete pouring and they have to be precisely located! Steel and masonry openings have little to no tolerance for slab and shell variations so extensive preplanning is necessary.
Plates mounted to the surface with bolts are a serious problem for the window installation in attachment, alignment, and waterproofing and should be avoided.