What post distance for retaining wall?
Hi all, Im wanting to replace an existing retaining wall which is currently 1.5m high with one that will be 1.8m high. Im wanting to use 175SED x 3600 strainer posts spaced out at 2mc/c dug down 2m into the ground. The retaining timber will be 150x50. I had spoken to a friend who is a builder and he said 2m was fine but…
