I am in the process of digging out a deep end for a 27' round A/G. Over the last week we have had some torrential downpours (4" of rain just last night) and some of the side walls for the deep end are washed in and/or deeply trenched from all the water. The soil is extremely sandy, so once it washes in, I'm having a hard time repairing the problem areas and getting them to pack (and sometimes even stay put). Does anyone have any suggestions on how I might repair the trenches (some up to 5" deep) and the washed out areas well enough to last through liner installation? I'm also concerned that after the water is in the pool, I may have excessive compression in these washed out areas. Thanks!