Browse Forums DIY, Home Maintenance & Repair 1 Apr 06, 2013 8:29 am I have a cement block retaining wall. Water builds up behind and needs to be drained. Plan to drill some smallish holes along base but want to prevent sand coming through with it. What can I put in holes to allow water through but block sand? Re: Drainage in retaining wall 2Apr 06, 2013 4:17 pm Pack the holes with pea gravel. The Harder You Try - the Luckier You Get ! Web site http://www.anewhouse.com.au Informative, Amusing, and Opinionated Blog - Over 600 posts on all aspects of building a new house. Thank you again Simeon.. I will call my certifier for that. Have a good day 4 5141 Thanks for the insights, that makes perfect sense, and yeah, I will be leaning on the experience of the excavator operator entirely. 6 16104 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 6888 |