Sloping is a very important in any excavation. It requires grading with the slant of the trench which provide support to the wall and prevent collapsing of the wall. Here slant means the angle of repose that I want to mention. Please suggest me what special precautions should be taken except the common one....
Wow that's a loaded question. There's the location of the spoil pile, soil condition, existing utilities, coordinating material, and equipment access. What kind of info are you looking for?