I think I've sorted a drainage plan but before I run it past the BCO, could I have any thoughts on it.
The blue dots are all the points where they rise through the floors and the yellow lines are the pipe runs. There are already 2 manholes (large red dots) where the pipes are already run and connected into the mains sewage.
I have 2 inspection chambers (yellow dots) which then run onto the 2 manholes. I could run IC1 to either manhole (pipe 1 or 2), would it make a difference?