South Australia’s Leaders in Trenchless Pipelaying & Underground Infrastructure
Delivering safe, efficient, low-disruption solutions for utilities, civil projects, and major infrastructure since 1993.

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South Australia’s Leaders in Trenchless Pipelaying & Underground Infrastructure
Delivering safe, efficient, low-disruption solutions for utilities, civil projects, and major infrastructure since 1993.

View Project Request a Quote
South Australia’s Leaders in Trenchless Pipelaying & Underground Infrastructure
Delivering safe, efficient, low-disruption solutions for utilities, civil projects, and major infrastructure since 1993.

View Project Request a Quote
South Australia’s Leaders in Trenchless Pipelaying & Underground Infrastructure
Delivering safe, efficient, low-disruption solutions for utilities, civil projects, and major infrastructure since 1993.

View Project Request a Quote

Trenchless Pipelaying Contractors

Trenchless Pipelaying Contractors (TPC) has been delivering specialist underground infrastructure services across South Australia since 1993. With decades of experience in horizontal directional drilling (HDD), civil construction, electrical and communications infrastructure, high-pressure gas works, and water/wastewater installations, TPC is recognised as a trusted partner for government, utilities, and private industry.

We provide efficient, low-disruption solutions for installing pipelines, conduits, and essential services — even in complex ground conditions or heavily populated areas.

Why Clients Choose TPC

Trusted by major utilities, councils, and contractors across South Australia, TPC stands out for our commitment to safety, quality, and reliable project delivery.

Here’s what sets us apart…

Proudly South Australian

A local workforce committed to delivering quality outcomes.

End-to-End Project Delivery

From planning and design through to installation and commissioning.

Safety-First Culture

Certified to AS/NZS ISO 9001 & 45001, TPC operates to strict safety standards.

Modern Fleet & Technology

Advanced HDD equipment, vac trucks, trenchers, excavators, and locating tools.

Low-Disruption Methods

Minimising impact on communities, businesses, and the environment.

Proven, Cost-Effective Solutions

Innovative approaches, reliable delivery, competitive pricing, on time and on budget.

Our Core Services

With specialised crews and modern equipment, TPC delivers reliable, cost-effective services for even the most complex underground infrastructure challenges.

Underground Service Locating

Dial-Before-You-Dig accredited crews equipped with advanced locating and GPS survey tools.

Horizontal Directional Drilling (Clay & Rock)

Over 25 years of HDD experience, including complex clay and rock drilling.

Hydro Excavation & Non-Destructive Digging

High-pressure water and vacuum excavation for safe exposure of underground assets.

Civil Works, Trenching & Pit & Pipe Installations

Experienced civil crews delivering excavation, conduit installation, pit construction, and asset relocations.

Rock Sawing & Chain Trenching

Ditch Witch & Vermeer rock saw and trenching machinery for hard-ground excavation.

Traffic
Management

In-house traffic management teams ensuring safety, compliance, and efficient site movement.

Cable
Hauling

Specialised crews for telecommunications and electrical cabling through pit & pipe networks.

From simple digs to complex trenchless installations, TPC has you covered.

Our Commitment to Every Project

Focused on quality, safety, and seamless delivery with the right expertise and resources.
 We work collaboratively to meet agreed targets and achieve dependable results.

Featured Projects

Equans - Reserves and Cadets Building

When: early 2025.

The Scope: Installation of new communications pit and conduit infrastructure for defence communications network.

The Highlights: 20 x class D SCEC secure pits – approximately 1500m of 100mm communications conduit installed – Co-ordination with multiple other trades on site.

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SA Power Networks - Marion Road/Anzac Highway/Cross Road Electrical Relocation

When: mid 2024 – early 2025.


The Scope: Installation of new electrical pit and conduit infrastructure and stobie pole footings for the relocation of overhead powerlines to underground.

The Highlights: Multi-way directional bores up to 10 x 125mm conduits – 2 x Multi-way Tram line undertrack directional bores – Stobie pole footings up to 3.8m deep.

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Why Clients Choose TPC

Certified, South Australian owned, and ready 24/7 for urgent support.