Septic System Installation & Excavation
Septic & Wastewater Excavation Moreton Bay, Brisbane North & Sunshine Coast
RPG Earthworks provides septic system installation and excavation services for homeowners, acreage properties and rural sites. We assist with septic tanks, HSTP systems, trenching, disposal areas and associated underground works.
As an extension of RPG Plumbing, we can handle both the excavation and the licensed plumbing required for septic and onsite wastewater projects. This helps streamline the job from site preparation through to installation.
Whether you are building new, replacing an older system or upgrading your wastewater setup, we provide reliable service backed by experience, straightforward advice and a practical approach on site.
Expert Septic & Wastewater Excavation Services
Septic Tank & HSTP Excavation
Proper excavation is a key part of septic system installation. The site needs to be prepared correctly for tank placement, pipework, pump components, access, levels and overall system layout. RPG Earthworks provides excavation for a range of septic and wastewater system components, including:
- Septic tank excavation
- HSTP system excavation
- Pump pit and sump excavation
- Excavation for pipework and underground connections
Inlet, Outlet & Disposal Trenches
Septic and wastewater systems depend on correctly installed underground lines. We provide trenching for these components to support efficient installation and proper system function.
- Inlet and outlet trenching
- Trenches between system components
- Effluent and irrigation line trenching
Onsite Wastewater Installation Support
Every property and system layout is different. Septic installation may involve tank placement, trenching, disposal area preparation, pump components, pipe connections and final site works.
- New septic system installations
- Septic tank replacements
- HSTP system installations
- Rural and acerage wastewater setups
- Drainage and plumbing related earthworks
Why Choose Us?
Why Choose RPG Earthworks?
RPG Earthworks is an extension of RPG Plumbing – licensed plumbers who have operated in the Moreton Bay, Brisbane North and Sunshine Coast areas for over a decade.
Septic system installation requires practical excavation experience, a clear understanding of wastewater layouts and the ability to complete the plumbing side of the job properly.
RPG Earthworks offers:
- Trusted, reliable and experienced approach
- Septic excavation and licensed plumbing capability in one team
- Practical support for septic tanks, HSTP systems and wastewater trenching
- Straightforward communication and dependable service on site
RPG Earthworks Septic & Wastewater FAQ's
What is septic system installation?
Septic system installation involves setting up an onsite wastewater system to manage household wastewater where sewer is not available. This usually includes the tank or treatment system, connecting pipework, disposal areas and the excavation needed to prepare the site.
Do you install septic systems as well as do the excavation?
Yes. RPG Earthworks is an extension of RPG Plumbing, so we can assist with both the excavation works and the licensed plumbing components of septic system installations.
Do you excavate for HSTP systems?
Yes. We provide excavation for HSTP systems, including preparation for treatment tanks, pump components, trenches, irrigation lines and other associated site works.
Can you replace an existing septic system?
Yes. We can assist with excavation and installation support for replacement septic systems, including tank area preparation, trenching and associated plumbing works where required.
Do you prepare disposal areas and trenches?
Yes. We excavate for inlet and outlet lines, absorption trenches, disposal areas and associated underground wastewater components based on the project requirements.
Do you work on acreage and rural properties?
Yes. Septic and onsite wastewater works are commonly needed on acreage and rural properties, and we are well suited to these types of projects.
Can you handle both excavation and plumbing in one job?
Yes. Because RPG Earthworks is backed by RPG Plumbing, we can provide both excavation services and licensed plumbing work as part of the same project.
How do I get a quote?
You can contact RPG Earthworks with a brief description of the job, your location and any plans, photos or site details you have available. We can then discuss the scope of works, whether excavation only or excavation and plumbing together, and provide the next steps.