Earthwork plan help

I am planning the shooting range for a public safety training center and am trying to decide the most optimal equipment. The pistol range will consist of one 500' rear berm 12' high, segmented into 5 bays with 12' high side berms. The rifle range will be a 400' rear berm 25' high, segmented into 3 bays with 12' side berms. The sniper range will have one 300' rear berm, 40' high. 1 to 1 slop on all. The ground is flat and all dirt will be taken from the pond we will create for the...

Earthwork plan help

Earthwork plan help