Bologna is home to numerous prestigious cultural, economic and political institutions as well as one of the most impressive trade fair districts in Europe. In 2000 it was declared European capital of culture and in 2006, a UNESCO âcity of musicâ.ologna is also one of the wealthiest cities in Italy, often ranking as one of the top cities in terms of quality of life in the country: in 2011 it ranked 1st out of 107 Italian cities.
Add topsoil to achieve a total topsoil depth of 10-15 cm (4-6 inches), after firming. The topsoil should be a loamy sand, sandy loam, clay loam, loam, silt loam, sandy clay loam or other soil suitable for the area.
Determine how many cubic yards you need for each 4-inch layer you will install. Measure the length and width of the driveway in feet. Convert the number of inches you need to feet. For example, 4 inches would be 0.33 feet.. Follow the path of the dirt driveway as you use the front-end loader attachment to dig it out approximately 12 inches deep. Put the topsoil in a pile somewhere on your property so you can use it on gardening projects.