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.
1 Use the cubic yardage for your specific project to get a more accurate estimate. 2  According to data compiled by HomeAdvisor.com, customers nationwide spend an average of $1,200 to $1,600 on concrete delivery. 3  For DIY concrete work, you might pay around $100 per cubic yard, plus the cost to rent a cement mixer. For 5.5 cubic yards, that works out to $660-$1,100. 2  Use the cubic yardage for your specific project to get a more accurate estimate. 3  According to data compiled by HomeAdvisor.com, customers nationwide spend an average of $1,200 to $1,600 on concrete delivery.