soil pipe

Moving WC/waste in bathroom. We’ve unearthed and cut back the soil pipe as required. In doing so we’ve removed the DPM back to the edge of our trench (about 30 x 60cm). I’m concerned we should make good the DPM. I've considered removing more floor to expose good DPM so we can patch it somehow...

Hi, We have a vent pipe from our soil pipe running up the outside of our single story house, the pipe is connected just below ground level into a porcelain joint (see picture). The pipe is purely ventilation as all sewage happens below ground. We are having the back of the house clad and need...