Browse Forums General Discussion Plumbers 'can be' plumbers, made all the worse by self certification which the building surveyor invariably accepts as proof of compliance! The good thing is that you know know. 3 4913 DIY, Home Maintenance & Repair 3 pipes are coming from upstairs bathroom. 40mm from bathroom sink, 50mm from shower and another 50mm from the bathtub. Highly unlikely that any of these will be open at… 2 875 PM me your email. I have a build excavation calculator you can use based on your plans to double check what your builder is telling you. Cheers Simeon 1 10326 |