rwp

Looking for advice or any thoughts. I live in a 70s mid terrace house with a shared RWP that drains my side of the fence. I want to extend the full width on the boundary making new party walls. The extension will be with brick walls with coping and the roof will be low pitched with a gutter...

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, I'm trying to self plan a rear extension to our semi-detached house, and hoping someone could give some feedback on my drainage plan. Currently the rain water pipe (RWP), and soil vent pipe (SVP) connect to a manhole at the rear of the property. This is a private drain, that then runs into...