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Good question

Posted by Moderator, Steve on March 3rd, 2003 11:30 AM
In reply to rock retaining walls by Philippa on March 2nd, 2003 09:54 PM [Go to top of thread]

the downfall of many retaining walls are that there are no weep holes, or the existing weep holes get clooged and cause the build up of ground water and then actually push over the wall over time.

Consider the rock wall to built at a slight angle inward toward the fill area. Then consider using allot of that drain fabric up against the rock wall. Consider even installing a French Drain set up to carry that water off and away from the area.
Use sand on the bottom foot or so for drainage and then good fill dirt or sandy loam for the top then good top soil. Do not plant or consider planting until the soil has settled and has naturally packed. You will fill it up with dirt and think you have packed it until the next soaking rain and it will settle a good 6 inches over night. Be ready to back fill until it stabalized.

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