It is very simple. Just calculate the perimeter of the pile cap using the pile cap plan and just multiply this perimeter by the depth of the pile cap which can be worked from the sectional drawings...
well, if you want to measure the length, just stretch the tape and measure it. If you want to measure the diameter, measure the circumference of the screw, then divided by 3.1415, then you will get...
"Liter" is an excellent unit for measuring volume. Others are: -- cubic meter -- cubic centimeter -- cubic kilometer -- cubic inch -- cubic foot -- cubic yard -- gallon -- quart -- pint -- cup --...