by Luke Hall, professional geologist
Clean dirt. To a person with a three-year-old son, the term sounds like a cruel joke. In reality, it is an issue that can cause serious problems for developments.
Picture this scenario: you have purchased a residential property with the intention of redevelopment. For whatever reason, perhaps raising the grade of the surrounding area to prevent flooding or removal and backfill of previous foundations and structures, you hire a contractor to bring in so...