Browse Forums Landscape & Garden Design Re: agi pipe 2Apr 26, 2011 8:57 pm In front wont do much, you need something to drain away all the water that the retaining wall could hold or it will crack move etc. You need agi pipe and or weep holes depending on many thing. You need drainage one way or another. Re: agi pipe 3Apr 26, 2011 9:20 pm Thanks, on our house plan the builders had to put in a retaining wall and agi drain. They put the retaining wall up but we have dug behind the wall and discovered no drain. We are having alot of structual problems and have been told we have water under the slab.Could this be a cause? We live next to a vacant block on a hill. yep sounds good make the footing bigger to to allow for the pipe in the middle 3 7363 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 4916 I think you are getting different numbers because they all just based them on "other jobs" even though each job is unique. Often, with builders, unless you're speaking to… 3 3274 |