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Steps of the vacuum excavation Sydney process

 Many times, you have to dig up the soil in delicate areas (around underground utilities) either for renovation works or to remove some utilities or the other from the soil. This method of digging on the ground is a dangerous digging process because utilities underground could harm the workers if they are 'hit' In such areas, the vacuum excavation Sydney/hydro-excavation process is the best digging method to use.

Vacuum excavation is a non-destructive excavation process; it uses air running at high pressures and speed together with a suction-vacuum to remove the top layer of the soil/ground. Alternately, hydraulic vacuum excavation uses high-pressure water jets to break through the soil.

Steps of the vacuum excavation process

Vacuum excavation trucks are installed with the

  • Compressed air lance;
  • the suction for the vacuum;
  • multiple air vehicle fans;
  • Wastage storage chamber.

1. Survey the area where you want to dig

Before you start digging, you should check out the area; this will help you to determine the amount of pressure you need for the digging. The survey will also give you a better idea of the utilities present underneath.

2. Fit the excavation truck over the area where you want to dig

Place the truck in a perpendicular position over the place you want to dig. Then you can adjust the boom to be directly under the area to be 'pressured.' You should set the crash to about 6-8 inches over the area for digging; this allows for enough space between the nozzle and the ground.

For air vacuum excavation

Step 1: Turn up the suction

After successfully placing your excavation trucks, turn on the vacuum fans. Turning on the fans commences the suction process; where all the soil materials will forcefully move up through the hose into the storage chamber.

Note: You must maintain the distance between the crash and the surface of the soil at all times during the cutting process.

Step 2: Softening the soil

If the area you are digging has a more rigid surface, you can use the air jet lance to break up and soften the ground.

If Hydraulic Vacuums are used

The components present in the excavation trucks are:

  • A large water reservoir;
  • Larger debris tank;
  • Suction hose;
  • A high-pressure water system

Step 1: Loosening up the soil

After the survey processes, you should insert a water band into the ground to make the soil loosen up; use water to form slurries with the soil.

Step 2: Suction of the slurry

The next step is to suck up the slurry through the hose; you can do this by switching on the pump that controls the vacuum hose.

The texture of the soil has little effect on this process, and you can use it across all soil types.

If the soil/ground is very hard or frozen, you can soften it by using the water stream in the excavation trucks.

Conclusion: Disposing of the Garbage

During suction, it is very likely that garbage/debris will mix with the slurries that the machine sucks up. After the digging, you can compress the unwanted materials in a controlled area, and store them in the garbage storage compartment for later disposal.

Sure Search can help with your vacuum excavation Sydney project. Contact us today!
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Location: South Wentworthville NSW 2145, Australia

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