And demand a particular standard of work, depending on the GC, as well as coordinating that work so things happen when they’re supposed to happen, versus letting things happen. (I.e….maintaining schedule and budget(.
I’m not in the residential market..I’ve done three extremely high-end homes in my 15 year career ($4.5m-$15M), along with hundreds of commercial projects. And we work much lower than 15%, depending on total project value…the level of project management/high-end GC-shit is directly proportional to the project value.
But to directly answer your question, yes…getting materials right the first time, and getting subs on site at the right time, with the right materials, with the minimal amount of mobilization fees, is part of a competent GC’s role.