Geotechnical Investigation and a Hydro Excavation is Important for Your Construction Project

Aussie Hydrovac Services
4 min readDec 8, 2023

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Hydro excavation, also known as vacuum excavation, is a method used to break up soil particles, remove dirt, and eliminate waste. It uses high-pressure water to excavate soil and utilises advanced equipment and machinery for effective soil particle disintegration.

Some of the benefits of hydro excavation are as follows:

1. Precise Digging

As high-pressure water is used to dig and remove soil, debris, and other materials, the process is considered safe and sensitive around utilities, causing less damage. It is also faster than manual digging methods and that is why it improves project efficiency and reduces labour costs.

2. Safety

Compared to different traditional methods of digging, hydro excavation is often considered a non-destructive and safe digging method. It reduces the chances of utility, strikes and accidents, thereby ensuring the safety of the workers.

3. Easy Transportation

Hydro Excavation essentially creates a slurry that can be easily transported from the excavation site and therefore it helps in debris management.

4. Environmental Friendly

As hydro excavation simply uses water, it in a way reduces contamination of soil and contributes to environmental safety and sustainability.

5. Prevent Damage

By accurately detecting the utilities under the ground, hydro excavation prevents accidental damage and ensures that accurate mapping for construction and repairs is done.

6. Versatility

From maintaining the integrity of the underground infrastructure to being suitable for various types of soils and structures, hydro excavation is indeed a versatile method of digging.
7. Prevents Legal Issues

Hydro excavation helps businesses avoid any legal complications by maintaining them to align with the local laws of the land and it also obliges them to conduct safe excavations near important public utilities.
Hence, hydro excavation is a safe, eco-friendly and non-destructive digging method that is preferable than any manual method of digging.

What is the Need for Conducting a Geotechnical Investigation Before Your Construction Work?

Geotechnical Investigation, a subset of civil engineering, analyses soil behaviour during construction projects. Objectives include:

1. To Reduce Risks

Often, engineers conduct a geotechnical investigation can avoid any possible risks as a thorough study of soil behaviour helps them mitigate issues such as, soil settlement, soil erosion, and slope failure.

2. To Determine Site’s Suitability

A geotechnical investigation can also help to determine the suitability of a site for construction, considering the features like soil structure, soil stability, and soil behaviour.

3. To Safely Design

A geotechnical investigation is also intended to yield information on the stability and other relevant parameters, as well as the soil texture. This aids geotechnical engineers in creating and designing secure, sturdy foundations that can handle large loads and adverse weather.

4. To Save Costs

A properly executed geotechnical investigation may also aid in lowering unforeseen and unknown building expenditures, such as exorbitant repairs or revisions.

In Australia, it is prescribed that the ambit of geotechnical investigation must precisely adhere to the project design and specification’s criteria. The companies involved with providing this essential service must take care of this. Aussie Hydro-Vac is one such company based in Australia that provides quality services related to geotechnical investigation and hydro excavation, among others. Some of its services are briefly mentioned here:

Hydro Excavation and Geotechnical Investigation at Aussie Hydro-Vac Services

To safely excavate around subterranean infrastructure, Aussie Hydro-Vac Services has a fleet of trucks that range from large to small in terms of the debris capacity they can hold and that employ a combination of high-pressure water and suction. It can also complete a wide range of non-destructive digging tasks, such as the creation of pits, ditches, and holes, thanks to the large variety of vehicles at its disposal and the technologically advanced characteristics it possesses.

The business can either restore the excavated materials to their original state or dispose of them in a manner that is in accordance with the law by employing a range of innovative methods.

Services under geotechnical investigation provided are:

· CPT Testing

· Geotechnical Drilling including core drilling

· Test Pitting & Augering

· Standard Penetration Testing

· Seismic Testing

· Soil Sampling

· NATA Accredited Laboratory Testing

Because the experts working at Aussie Hydro-Vac Services have received extensive training and have years of relevant experience, they are true specialists in their respective fields. They have access to the most cutting-edge tools and technology, which enables them to provide the highest possible level of service while also ensuring the accuracy of their findings.

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Aussie Hydrovac Services

Aussie Hydro-Vac Services Pty Ltd (AHS) is a 100% Australian owned business that has been operating in Queensland and New South Wales for over 10 years.