stub stack

Hello, hoping I can get some feedback on a drainage layout I'm trying to do for our extension. This is an update on an earlier design I posted - I've now removed the internal manhole and it is located outside instead :) We have a private combined drainage system that heads over to our...

Hi all, Looking to install a small washroom in the first floor of my house. There is a single bathroom on the ground floor of the property underneath the stair. Wondering how best to connect in to existing drainage. Conscious that Regs state max. 6m for toilet and 3/4m for basin/shower. Without...