Browse Forums Landscape & Garden Design 1 Oct 24, 2009 8:10 pm Hi, I'm wanting to build a retaining wall at my front yard and it will probably be about 50 - 60cm above ground level maximum and the material would be treated pine / red gum sleepers. How deep and how wide should the post holes be? How much should I feel it with concrete mix? Also, how deep are the normally the main water connection, gas connection and telstra line connection from the top of the ground? Thanx Thank you again Simeon.. I will call my certifier for that. Have a good day 4 5108 Thanks for the insights, that makes perfect sense, and yeah, I will be leaning on the experience of the excavator operator entirely. 6 16103 Hi All, I engaged a tradie to install concrete retaining wall 600-800mm high over 32 meters in Victoria. Sleepers are 200*75*2000 mm installed over 17 steel posts. I… 0 6882 |