
Reliable Civil & Pipeline Infrastructure. Delivered.
Contractor-led and delivery-focused. We build sewer, stormwater, and water infrastructure for principal contractors, councils, and utilities across Australia.
Our Core Capabilities
From pipeline construction to maintenance and rehabilitation, Prost Group delivers end-to-end civil infrastructure solutions with total in-house capability.

Sewer
Branch sewers, rising mains, pressure sewers, and large-diameter pipeline installation for water authorities and developers.

Water Drainage
Stormwater and water main reticulation, upgrades, and new installations across residential and commercial developments.

Pump Stations
Design, construction, and commissioning of complex sewer pump stations and rising mains for water authorities.

Boring
Complex rock bores, deep trenching up to 8.5m, and non-destructive digging with purpose-built shoring systems.

35+
Years Experience
Contractor-Led. Delivery-Focused. Built on Site Experience.
Prost Group is a specialist civil construction and pipeline services company with over 35 years of industry experience. We operate at the intersection of hands-on contracting and practical engineering, with a strong focus on safety, constructability, and reliability on live sites.
With 50+ full-time staff across Victoria and Queensland, we deliver total in-house capability from engineering and construction through to testing, drain cleaning, and pipeline inspection. No outsourcing. No compromises.
ISO Certified
9001, 14001, 45001
Water Authority Accredited
All major Melbourne agencies
Total In-House Capability
No outsourcing required
50+ Full-Time Staff
Across VIC & QLD
50+
Full-Time Staff
60km+
Pipeline Installed Annually
35+
Years of Experience
90+
Major Pieces of Machinery
Proven on Major Projects
From complex pump stations to large-diameter pipeline installations, our track record speaks for itself.

Harlowe Sewer Pump Station
Winslow Constructors & Coliban Water
Large diameter wet well up to 7m deep with a 25m, 3m diameter storage tank. Complete pump station and rising main delivery.

Underbank Branch Sewer
Greater Western Water & YVE Group
Deep trenching in Bacchus Marsh with trench depths reaching 8.5m in extreme groundwater conditions.

Mandalay Estate Stages
BMD Urban
Multi-stage residential development delivering sewer reticulation, drainage construction, and ongoing maintenance over 2.5 years.
Trusted by Industry Leaders
Ready to Discuss Your Next Project?
Partner with a contractor-led team that is focused on safety, constructability, and reliable delivery. Book a consultation to discuss your upcoming project, live work, or tender.