Dirt track preparation is quite a complex task made more difficult by the fact that there are a whole lot of variables involved. The geographical location of the track and the weather that is likely to prevail a few months down the line are factors to be considered before work can start on track preparation. Even such minute details as the vehicles that will race on the track and the width of the tyres are crucial parameters too. It has to be understood also what affects dirt and how it binds together.
The first thing that has to be taken into account is dust. Dust layers on the surface of the track reduces traction, making any race boring and unexciting, Overtaking and bumper to bumper action will be a strict no-no and only single line racing will be seen. For the drivers as well as fans, it is an additional discomfort. Clouds of dust reduce driver visibility and when it rolls over the grandstands, it can send the fans scampering for cover. On the other hand, dust and water can make the track very muddy and soft and can break up the track into ruts and holes as the event progresses. These have to be kept in mind when preparing a dirt track.
The most important part in dirt track preparation is to find a way to introduce moisture into the dirt and then treat the surface in a manner that binds the dirt and water throughout an event.
The type of soil content in the dirt in your locality is what will influence the preparedness of the track. In this case, clay is important as it helps to hold moisture in the track. The ideal percentage is about 30% clay in the track but that might be difficult if clay is not available locally. Bringing in clay from a distance might be prohibitively expensive. Local cleaning companies who regularly carry out builder’s cleaning especially in the suburbs of towns will be able to help you out in this regard. If you are building a dirt track in the state of Victoria, putting in a call to Brighten Serv might turn out to be useful.
Weather and geographic conditions play a very important part in dirt track preparation. Any track at a higher elevation will respond well to preparation as the winds, the cold and reduced moisture content in the air helps it to roll out better. Again, there are areas that get more rainfall than others. A dirt track has to be watered based on the rains in the past few months in that location. Places with high rainfall have a higher water table and hence the moisture content in the soil will be more. These factors have to be taken into account when preparing a dirt track.
Finally, what counts is the equipment being used to roll out the track. Some of them are the grader that levels and shapes the surface, a water truck that has low pressure tyres that can run over the soil without softening it, the rake to prepare the top soil without disturbing the soil beneath and the roller for compacting the soil.
Keep these points in mind and you will have the ideal dirt track to race on.