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The pH (potential of Hydrogen) of soil ranges from 0 to 14, with 7 classified as neutral, less than 7 as acidic and greater than 7 as alkaline. While there are exceptions, the ideal pH value of soil for those wishing to grow plants or crops is generally considered to be between 5.5 and 7.
Mining site revegetation is a required step that must be completed by all mining companies. The absence of topsoil combined with the use of surplus materials in place typically makes this a challenging process. In many cases, what previously was able to sustain a flourishing ecosystem is now incapable of growing any plant life at all.
Prior to the commencement of construction, a site is required by law to undergo an extensive soil test to identify if it has the strength to bear the intended weight of the structure. This is conducted by an external firm and the findings are put into an official record.
Soil is classified into many different categories and the type of soil you build on can have ramifications for your structure, many years after it has been built. This article explains the different soil categories, the various environmental conditions that can affect residential and commercial construction and structural foundation requirements for each soil type.