He wants all the plant beds to have the soil removed. He claims that all his plants are dying because of the clay soil we have here in Southern California. After walking the property I I told him he didn't have to have 4ft. removed. He didn't have to remove anything, because the soil has been amended like a foot deep. I told him to be honest you really need to cut back on the watering, add about an inch of planting mix to raise the planter a little and cultivate the soil at least once a week to make the soil look nice and benefit your plants. It has never been cultivated and you can see all the algae on the surface. He also admitted he had at least a foot removed a year ago and filled with new soil, but still his plants were dying. What is this guy thinking? 4ft? I couldn't convince him that he didn't need to do this. He kept on saying that I maybe right but he and his wife would feel much comfortable knowing they had at least 4ft of good soil in their planters. So I said fine! let me make the bid and I will email it to you the next day. The total square footage is 775 x 4ft depth that is like almost 115 cu.yds. (right?) that I have to remove and re-fill with new soil including the removal of shrubs and little annuals/perennials. There is no access for machines in the back yard and the front yard's planters are in a small court yard. All this has to be done by hand and put into a container. What would you guys charge for this kind of job assuming 1ft is good/soft soil and from there down it is all clay. Thanks in advance!