Excavation can leave you with a substantial amount of soil that can be reused for landscaping. However, there are certain issues to consider before you decide to reuse the soil. This article covers the benefits, costs, and common uses of excavated soil. You can also learn about the problems involved in the process.
Reuse of excavated soil
In France, the legal framework for the reuse of excavated soil defines a series of guidelines for the sustainable management of excavated soil. The first guideline defines the classification and quality threshold values for excavated soil, and the second one describes the authorized reuse pathways. These guidelines provide guidance on the sustainable reuse of excavated soil in urban and regional areas.
Another guideline describes the quality and quantity of reused soil. The information provided by the producer, volume and characterization results must be recorded. It is also essential to consider the recipients and transit hubs for excavated soil. The guidelines are applicable to producing and receiving sites, including construction sites, landfills, and treatment centres.
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Cost of reusing excavated soil
Reusing excavated soil can save both time and money. However, successful reuse depends on location, timing, and understanding of the rules and regulations for solid waste. In some cases, reuse is not possible due to environmental concerns. For example, if a building project requires filling in a landfill, the soil should be taken to a landfill instead of being used for new construction.
In some cases, reusing excavated soil can be done at the same time as excavation. For example, a landscaper may use the excavated soil to fill in garden beds or to fill in retaining walls. In addition, the soil from a construction project can be used to level a block. It can also be used to create retaining walls and increase the surface area of a yard.
Problems of reusing excavated soil
A key problem in reusing excavated soil is that the supply and demand don’t always match. Typically, the soil must be stored for a period of time before it can be reused. Unfortunately, on -site storage space is limited and often not available. In this case, it’s necessary to store the soil at temporary storage facilities. Moreover, space isn’t the only issue when it comes to reusing excavated soil; time is another one.
Another problem with excavated soil is the risk of heavy metal contamination. Soil from mining areas, for example, is often contaminated with metals, including copper, silver, and lead. Because of this, recycling companies must be able to test the soil and ensure its quality before reusing it.
Common uses of excavated soil
The common uses of excavated soil vary depending on location. In many cities, there are limited storage options for the material. In the absence of a permanent storage facility, the excavated soil must be stored off-site. In such cases, storing the soil off-site can save both money and time.
In addition to saving money, reuse of excavated soil can have significant environmental and economic benefits. In one study, reuse of excavated soil was associated with an average 30% cost saving and a reduction of 100 tons of CO2. Similarly, a study by Magnusson et al. found that recycling excavated soil reduced CO2 emissions by up to 14 kg per ton.
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