This process is intended for small non-structural repair or replacement of equipment with commercial projects where the building owner can obtain a permit to repair or replace the same or existing features of a building without architectural plans.
1 Mark the area that will need concrete and divide it into smaller areas. 2  Calculate its volume of the area after determining the shape of the area (see chart below) by multiplying in the height.  Convert the volume from feet to cubic yards to get the number of cubic yards of concrete youâll need.
Expert Advice: To determine how much sand (or gravel) you'll need for a paver walkway, multiply the path length (in feet) by width (in feet) and then multiply by the desired depth of sand (in feet) to determine cubic feet. Divide by 27 to determine cubic yards.nstall a flagstone, gravel, or paver walkway in a weekend or less! Use these three DIY walkway ideas to add interest to your yard -- our easy how-tos walk you through every step of the process. 1  Facebook.