Dungog Chronicle

Excavation insider: A guide to different types of excavation

Excavation insider: A guide to different types of excavation

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Excavation is a specialist service that the average person would not have too much reference for. Although for those in the know or anyone looking to contract an excavation service for commercial or residential use, there is a lot to be aware of before you commence.

It is also worth noting that your contractor will be the ultimate decider over which excavator is optimal for your works, so be sure to get a consult.

Here is a guide to the different types of excavations on offer so that you can better understand what you need and what is possible through excavation. Let's get into it!

Drainage excavation

The most common of the excavation types is drainage excavation, and there is a great need for Sydney vac truck excavation in the construction industry.

This is used to remove or divert liquid from roads, potholes, rivers and any other body of water that is requiring drainage. It can also be effective to remove the liquid so that an area, typically a utility, can be inspected or worked on.

Drainage excavation work can be incredibly effective following heavy rain and in parts of the world that receive high volumes of rain throughout the year.

Bridge excavation

Bridge excavation is not always a necessary step for any new build bridges or bridge maintenance, but it does happen. On jobs like this, the excavator will remove any materials that will obstruct the bridge build.

If the site does not have a solid ground, then removing these items and backfilling (another service provided by your excavator) will create a more solid foundation.

Borrow excavation

Excavation is not all about removing matter, but it's also about adding materials. If there is something being purpose-built, like a road, then gravel and other specialist materials will need to be added to the mix.

Concrete is also often made with borrowed materials, and really any area that requires levelling. For a project looking to stick within budget and the allotted timeline, borrowed excavation is a great way to utilise materials already onsite and ready to be used.

Stripping excavation

Stripping excavation can typically be seen on sites that require an area to be cleared in preparation for construction, such as a large-scale block of townhouses or apartments.

While it may look and sound like topsoil excavation work, stripping excavation is different. Topsoil excavation is best used when lots of shallow pits or trenches are needed.

Stripping excavation is also a great service if the area is not quite level or prepared for construction. This will typically be used for construction and commercial use and will rarely be deployed for residential use.

Rock excavation

When considering excavation, there is usually an assumption that it can only be deployed for soil, wet matter and mixed materials. Rocks can also be excavated and in some areas, they can be found deep into the foundation of a site and need to be removed prior to work commencing.

This means that heavy-duty pieces will need to be added to the excavator so that they can cut and break through the rocks without damaging the excavator. Often there will need other work completed on the site prior so that the rocks are loose enough to be excavated.

Earth and muck excavation

Earth excavation and muck excavation are essentially the same things, with earth excavation usually a dry exercise, and muck excavation is a water and soil excavation. When a utility is not exposed, earth and muck excavation is required and often the site of the utility is not known and so the practise must be slow and safe. It is also common that there is a dry and wet component to the foundation and so both modalities will be required.


These are the different types of excavations that can be used for all kinds of sites. As always, it is best that these works are consulted by a professional so that the right unit and course of action are taken. To find a suitable company to do this for you, simply check your local Australian Yellow Pages or better yet, Google it!