Hydro Vac Recycling & Resource Recovery (HVRRR)

The Hydro Vac Recycling and Resource Recovery (HVRRR) technology is a water and soil recovery system; it is a machine which processes excavated liquid waste (slurry) to produce a material that can be reused as a spadable backfill (once tested or if being used on the same site).

The device is portable and is housed on or close to construction or civil sites, in close proximity to the non-destructive excavation activities which saves you time in not having to go off site for disposal and money on logistics.

The technology for the Hydro Vac Recycling and Resource (HVRRR) has been developed for over fifteen years and is unlike any other system available on the market. VAC Group, with its manufacturing partner, has designed and constructed  The Hydro Vac Recycling and Resource (HVRRR) units with implementation opportunities in Australia and New Zealand.

How does it work?

Get a free quote today!

Vac Group Soil Transfer Unit 2
Vac Group Soil Transfer Unit.jpg

Australia’s Leading Soil Reuse, Soil Transfer, Waste, Disposal and Soil Removal System

VAC Group has successfully developed a soil removal solution that addresses the productivity, environmental issues and high costs associated with logistics and disposal of excavated spoils. Our patented soil recovery and transfer system has been developed as a fully-scalable on site recycling and recovery solution that can be set up at most locations within a matter of hours.


THE HVRRR. SAFER, SMARTER, FASTER, CHEAPER AND MORE SUSTAINABLE.

Addressing the true cost of vacuum excavation

Non-destructive vacuum excavation has now gained widespread acceptance in Australia as a fast, safe and highly efficient method of working around subsurface infrastructure. However, there are a number of associated costs which until now have been a significant price obstacle for many projects.


The site’s non-destructive vacuum excavation works are typically the cheapest component of the process and only accounts for around 25% of the total cost. The remaining 75% of the cost (give or take) is usually allocated to:


32.5% logistics – travelling to job sites and transporting spoil for disposal;

42.5% disposal – the most costly single component of the total cost.


The high cost of waste disposal is attributed to the nature of the vacuum excavation process which uses high-pressure water to convert solids into a slurry and then vacuumed away. The spoils generated are classified as liquid waste which costs significantly more to dispose of than solid waste streams. This is because of strict EPA controls and the fact that liquid waste disposal sites are few and far between.

HVRRR Benefits

Major advantages in using VAC Group’s Soil Transfer System include:

Our soil transfer units save up to 1.5 million litres of fuel per year. Each of our soil transfer units can process the slurries from up to ten tankers on site. Our fleet of compact, high-performance vacuum tankers can easily achieve the same waste removal results as a fleet of full-size units with a comparative total tank capacity in a fraction of the time and cost. Our soil transfer unit provides you with a 100% beneficial soil reuse of excavated material.




  • Significant reduction in the total number of vehicles travelling to and from the site; 
  • Up to 50% reduction in NDE costs on major projects;

  • Significant reduction in the total number of kilometres travelled between the site and suitable disposal treatment facilities;

  • 'Spade-able' material is easier to handle, transport and dispose of correctly and safely in comparison to disposal of liquid waste;
  • Significant reduction in total machine operating hours and CO2 emissions released into the environment;
  • 3960 tonnes of CO2 per unit saved across the year
  • Significant reduction in the total volume of material needed to be handled achieved through the effective removal of water from excavated spoil;
  • Reduced waste disposal costs;
  • Recycled water used for vacuum excavation; and
  • On-site availability of suitable 'spade-able' fill material.

By using VAC Group's high performance Vac-U-Diggas and our innovative Soil Transfer System, we eliminate the need for tankers to travel back and forth to dispose of spoil within cleanup zones. 


Our vac trucks can remain in the cleanup zone rather than spending hours each day travelling in and out, meaning that disaster cleanup jobs can be completed faster and far cheaper than traditional methods.


Disaster clean-up applications

Vac Group Soil Transfer Unit 3

Soil removal, disposal and soil reuse services available across Australia

We are committed to providing our clients with liquid waste disposal solutions that minimise both their project’s environmental impact and overall costs. To learn more about how VAC Group team can improve your vacuum excavation project’s productivity – and save you money, call us today on 1300 822 834. With offices in Gladstone, Brisbane, Sydney, Sunshine Coast, Melbourne and Adelaide we can easily service soil removal and disposal works in metropolitan and remote locations throughout Australia.


Contact VAC Group today to arrange a personalised obligation-free quote.

Note: Certification to ISO 9001, 14001 and AS/NZS 14001 is limited to South East Queensland Operations.

PO Box 528, Ormeau QLD 4208

VAC Group is Australia’s leaders in non-destructive digging, vacuum excavation, utility locating and underground services protection.

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