Drainage & Stormwater Systems
Complete stormwater and drainage networks, installed with laser-guided precision to Main Roads WA specifications.
Our core trade.
Drainage and stormwater management is what C&S Drainage Contractors was built on — systems that protect infrastructure and communities from water damage while meeting Main Roads WA specifications and Australian Standards, from residential developments to major highway projects across metropolitan and regional Western Australia.
We install complete networks with pipe diameters from 300mm to 900mm in reinforced concrete (RCP), HDPE and steel, and build the structures around them: drainage pits, manholes, headwalls, box culverts, stormwater quality improvement devices and flow-control structures. Service locating proves what’s below before we dig, laser-guided installation keeps every line true, and conduit banks are installed alongside the drainage scope where projects need them.
What the scope covers.
Networks & materials
Robust drainage networks in reinforced concrete pipe (RCP), high-density polyethylene (HDPE) and steel, with specialised systems selected for specific environmental conditions and flow requirements.
Drainage structures
Pit construction, manholes, headwall installation and advanced stormwater management features including quality improvement devices and flow-control structures.
Precision installation
Service locating before excavation and laser-guided pipe installation, backed by in-house QA and coordination with overall project schedules.
Where we work
Major highway projects, urban redevelopments, industrial facilities and coastal applications — drainage that integrates with broader infrastructure and performs under varying weather conditions.
Water & Sewer InfrastructureHDPE, MSCL and RCP pipelines — trenched, tested and commissioned.Explore→
Dewatering & Water ManagementGroundwater control that keeps deep excavations dry and on-program.Explore→
Underground ServicesConduit banks, cable ducts and secure pathways for power and communications.Explore→Need drainage & stormwater on your project?
Tell us the scope and the site — we’ll come back with plant, people and a program.
[Draft copy — to be confirmed]