ok found save file, and after some tinkering think I have what you need

sorry. game version 0.16.6, no mods just vanilla. don't know how to find or upload save file sorry for that. did another test with a blueprint of about 20 roboports. placed a passive provider chest next to a roboport with 30 roboports in it. roboport says 700/700 construction robots. saved game, exi...

roboports in blueprints not being placed by robots in the logistic network. I have made sure roboports are in construction range of eachother. personal robots place roboports just fine on the other hand. also when replacing belts that have been destroyed items that were on the belt explode and mix w...