Keeping You Connected Underground
Specialist Civil Construction & Pipeline Services
Prost Group delivers sewer, stormwater, and water infrastructure works across Australia. Contractor-led, delivery-focused, and trusted by the nation's leading builders.
50+
Full-Time Staff
60km+
Pipeline Annually
35+
Years Experience
Triple ISO Certified
9001 | 14001 | 45001
Our Services
What We Deliver
Sewer
Branch sewers, rising mains, pressure sewers, and large-diameter pipeline installation. Accredited with all major Melbourne retail water agencies, delivering for principal contractors, councils, and utilities.
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Water Drainage
Stormwater and water main reticulation, upgrades, and new installations across residential and commercial developments. Our hybrid skilled crews handle diverse requirements with in-house drain cleaning and CCTV capabilities.
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Pump Stations
Trusted to deliver large, complex pumping stations and pressure sewers. Our dedicated experienced crews are often specifically engaged by clients in regional Victoria for their expertise in pump station delivery and commissioning.
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Boring
Complex rock bores under major fuel and gas lines, deep trenching up to 8.5m, and non-destructive digging. Our extensive fleet of large excavators and purpose-built shoring systems ensure safe and efficient delivery.
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35+
Years Experience
About Prost Group
A Contractor-Led Team Built for Delivery
Prost Group is becoming a leading name in the sewer and stormwater construction industry, employing over 50 full-time staff with accreditations across most Melbourne Retail Water agencies. We are on the list of preferred contractors for Melbourne Water.
We pride ourselves on a holistic, stable approach to hydraulic infrastructure construction, offering clients a set-and-forget solution with full in-house turn-key capabilities. From engineering and construction to testing, drain cleaning, and pipeline inspections, every phase is managed by our own experienced teams.
Triple ISO Certified
9001, 14001, 45001
In-House Engineering
Concept design to delivery
90+ Machines Owned
1.7 to 60-ton excavators
CCTV & Pipe Rehab
Pipeline inspection in-house
Portfolio
Selected Projects
Harlowe Sewer Pump Station & Rising Main
Large diameter wet well up to 7m deep with 25m storage tank. Complete pump station delivery for Winslow Constructors.
Underbank Branch Sewer
Deep trenching in Bacchus Marsh with trench depths reaching 8.5m in extreme groundwater conditions.
Mandalay Estate Stages
Multi-stage residential development delivering sewer reticulation and drainage over 2.5 years.
Trusted Partners
Trusted by Australia's Leading Contractors
Let's Build Your Next Project
Partner with a contractor-led team focused on safety, constructability, and reliable delivery. Book a consultation for your upcoming project, live work, or tender.