Underground locating and hydro vacuum excavation services across South Australia

With our range of road safety and traffic management services and extensive experience, we ensure smooth flow and safety with our traffic management, traffic planning, traffic control, traffic response, and remote traffic management services. From lane closures and event control to traffic guidance plans and more, we minimise disruptions and maintain optimal traffic conditions for all projects.


Our hydro excavation services:

Smooth Flow Civil Contracting

Non-destructive digging

Our non-destructive excavation services offer a safe alternative to mechanical digging and traditional soil removal methods, using advanced hydro vac technology to protect underground utilities from unintentional damage.

Non-destructive digging
Smooth Flow Civil Contracting

Hydro excavation

Smooth Flow’s hydro vacuum excavations use high-pressure water to quickly and effectively cut through dirt, for efficient excavations that ensure minimal disruption to underground assets and the surrounding environment.

Hydro excavation

Utility excavation

Our cutting-edge hydrovac equipment allows us to specialise in careful and precise utility excavations, safely exposing underground utilities and networks.

Utility excavation

Our locating and underground services:

a bunch of wires are sitting on top of a wooden pole in the grass .

Cable locating services

We provide comprehensive cable locating services that utilise state-of-the-art mapping equipment, able to accommodate both urban and rural project locations across South Australia.

Cable locating services
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Utility locating services

Our utility location services employ precise technology to accurately detect and map the location of all underground utility networks.

Utility locating services
a red pencil is laying on top of a map

Utility mapping

Used in conjunction with our utility mapping service offers detailed insights into the layout of underground utilities, essential for planning and developments across the state.

Utility mapping
a bunch of pipes are laying in the dirt under a fence .

Gas pipeline locating

We are skilled in locating gas pipelines and other pipe networks, which is an essential service for pipe maintenance work, fault finding, and preventing accidents to facilitate safe construction.

Gas pipeline locating
a blue pipe is laying in the dirt next to a brick wall .

Water main location

Our location service can also accurately detect and map water mains for repairs and new connections, which can be crucial for maintenance and construction projects.

Water main location

Areas we service

Our hydro excavation services are available for a wide range of applications in Adelaide and across regional South Australia. This service range allows us to cater to the diverse needs of projects, including for both urban and remote-based project locations.



Our services extend to such key statewide regions as: 

  • Adelaide
  • Coober Pedy
  • Nullarbor
  • Mount Gambier
  • Port Lincoln
  • Port Augusta

Contact us now

If you're looking for utility location or hydro vacuum excavation services across the state, Smooth Flow Hydro Excavation is here to help. Contact our team today to learn more about our range of services or to get a quick and easy quote for your project. Simply give us a call or fill out our online contact form with your details, and we'll get back to you as soon as possible.

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Visit us

26B Kay Ave, Berri SA 5343, Australia

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