underground drainage

Hi, not sure if this is should be in the plumbing or building forum. I want to install a new ground floor toilet which involves teeing into the existing soil stack below ground level. I have already cut a 4 metre long trench through the floor slab and dug out enough material to install the pipe...

Planning a wet room with a flush floor where the waste will run through a slab and through the wall to discharge to the drains outside. Using something like the below bottle gully, would building regs allow me to connect the shower waste underground in one of the top two 40mm inlets? As far...

I am in process of installing Hex Drain (Channel Drain) on the brick patio. I have got the underground drain available nearby where I can discharge the water. (In the picture). As you can see there is a rodding point attached. I am planning install T junction (like this...

Hi, Im going to install some underground drainage under my lawn. Im looking at using 10cm perferated flexible pipe under the lawn but between the lawn and the outlet I would prefer to use normal underground pipe. Can you get an adaptor to allow you to connect the two. If not is there any...