Idiot Plays Factorio - Part 126: More Green Circuits 

Local man build most expensive green circuit production and cheaps out at the inserters. lol Anyway, interesting design. I just want to point out that you need 1 iron and 1.5 cooper plates to produce green circuit (without extra productivity) So that means to output one belt of it, needs a whole iron belt and 1.5 belts of cooper. What I want to say is, that your main bus probably won't be able to support it in the near future/at full utilization of your base. So maybe consider make extra dedicated belts of iron and copper for them or even a outpost just decicated for green circuit. But don't stress, one bottleneck at a time :)

Top tip for "rerouting" a belt that already has a lot of stuff on it (but the contents would fit in chests) - "drain the belt first in reverse": You will need - two chests, two stack filter inserters. Cut the belt just above where you want the reroute to begin. Place the chests and stack filter inserters either side of the belt, set them to the necessary contents. Then using ghost placement, reverse how much of the belt you want back in the direction to these chests and inserters. Voila, they'll suck up all the contents into the chests and it's ready to go when you want to unload back onto the new route of the belt. P.S. Your fancy new green circuit build is using yellow output inserts on copper coils. The copper cable assemblers are output limited and the green circuit assemblers are input limited because of this. You'll want stack inserters there too.

Your new green circuit build will output a lot more if the copperwire Inserters were all stack inserters.