View Full Version : How much fill do I need

04-23-2006, 06:53 PM
I need help figuring how much fill I need to fill in a down grade section on a lawn that I will be building a retaining wall to hold in materials the size is 12' by 36' and I need it to be 5' deep, so I have 432sf, I will be filling with sand and a 3 inch top layer with top soil. Any help would be great

MJM landscaping
04-23-2006, 07:25 PM
12' x 36' x 5' =2160 square ft.

04-23-2006, 07:56 PM
2160 cubic ft divided by 27 would be 80 yards of fill. It will compact some so you should figure on a little extra.
The loam would be 432 ft divided by 108 which = 4 yards of fill.
good luck.
the rain gods are unhappy with me today.

04-23-2006, 09:16 PM
12' x 36' x 5' =2160 square ft.

CUBIC feet, theres a little difference.

04-24-2006, 08:10 AM
add 15-20% for compaction, but make sure you stay three feet from the wall when using equipment, Topside of wall
dont forget your drainage aggregate or slotted pipe.