build a shed on concrete pad

Measure and mark on the existing concrete the points of your corners for your shed. using a chalk line with red chalk, snap a line that will mark the outside line of your shed. from this red line, measure in the width of the sill plate (4 inches if you are using 2-by-4s, 6 inches for a 2-by-6).. If you opt to build your shed on a pad it will be anchored down into the concrete using 3