Ausenco Downer JV

Products & Services
- EnviroPressure®
  EnviroPressure®
  
  All pressure pipes are made from virgin PIPA approved raw materials and the range includes black, black with internal or external-coloured HDPE jackets or striped pipes for water or gas supply and distribution up to 3000kPa operating pressure and up to a maximum service temperature of 80°C.
  
  Applications:
  
  AgriculturalConstructionGas MainsMiningPipe JoiningPressurised DistributionProcess PlantsUnderground Utilities
- Pressure Fittings
  Pressure Fittings
  
  HDPE (PE100) pressure pipe fittings to service the mining and civil industries.
  
  Our Products:
  
  Bends & Elbows
  
  Equal Tees
  
  Tees (Reduced Branch)
  
  Y’s & Junctions
  
  Flange Connections
  
  Reducers
  
  End Caps
  
  Butterfly Valve Spacers
  
  Shouldered Ends & Couplings
  
  Threaded Fittings & Adaptors
  
  Compression Fittings
  
  Electrofusion Fittings
  
  Puddle Flanges
  
  Applications:
  
  AgriculturalConstructionGas MainsMiningPressurised DistributionProcess PlantsUnderground Utilities
- Fabrication
  Fabrication
  
  All fabrication activities — from quote to delivery — is carried out under a certified ISO 9001 management system ensuring quality and reliability of our services to you.
  
  Our Capabilities:
  
  • Fabricating and testing HDPE piping assemblies created from isometric drawings
  
  • Fabrication of couplers, special adaptors for non-pressure pipes up to 4000mm in diameter
  
  • Manufacture of special purpose HDPE fabrications for chutes, rollers, liners
  
  • Fabrication of polyethylene plate work and tanks
- EnviroStorm®
  EnviroStorm®
  
  Manufactured in Perth, Brisbane and Melbourne, these profile-walled HDPE PE100 pipes offer a high stiffness-to-weight ratio while maintaining a smooth internal surface for excellent hydraulic efficiency in gravity flow applications.
  
  Applications:
  
  Agricultural drainageLeach drainsOutfall pipelinesRail CulvertsRoad Culverts
- EnviroSewer®
  EnviroSewer®
  
  Manufactured from high-density polyethylene (PE100), EnviroSewer pipe offer outstanding resistance to hydrogen sulphide attack, abrasion and corrosion. All pipes are produced in accordance with AS/NZS 5065.
  
  Applications:
  
  Sanitary Drainage SystemsUnderground UtilitiesUtility Sewer Networks
- Drainage Pipe & Coils
  Drainage Pipe & Coils
  
  HDPE corrugated draincoils are available in 80mm, 100mm and 160mm diameters, available in both slotted and un-slotted configurations for subsurface drainage applications. Slotted pipes can be supplied with black polypropylene monofilament woven filter socks.
  
  Applications:
  
  Civil InfrastructureLandscaping and salinity preventionLeachate collectionRoad and Highway verges
- EnviroProcess-Tanks®
  EnviroProcess-Tanks®
  
  Enviropipes is a specialist manufacturer of large-diameter HDPE (PE100) tanks and silos. Using advanced spiral wound technology, we fabricate storage solutions up to 4000mm internal diameter. Combining durability, corrosion resistance and cost efficiency, our systems are ideal for hazardous liquid storage.
  
  Applications:
  
  Chemical Storage TanksSeptic TanksSewage Pumping Stations
- Stormwater Retention Systems
  Stormwater Retention Systems
  
  Enviro Pipes offers a practical, modular stormwater retention system suited for projects ranging from residential to large-scale commercial developments. Installed below ground and designed to support traffic loads above, it provides a space-efficient alternative where open basins are not economical.
  
  Why Choose Enviropipes Retention Systems?
  
  • Custom Engineered for your Site
  • Fully Underground Installation – no algal blooms, vermin, or vandalism
  • Built for Harsh Conditions – suitable for aggressive soils and coastal environments
  • Supports Vehicle Traffic – ideal for installation beneath roads, car parks, and other traffic areas
- Non-Pressure Fittings
  Non-Pressure Fittings
  
  Enviro Pipes manufactures a range of non-pressure HDPE fittings designed to suit sewerage and stormwater pipe systems. Engineered for durability and compatibility, our fittings provide reliable solutions for civil and infrastructure applications.
  
  Our Products:
  
  Junctions 45/60 Degrees
  
  Segmented Bends
  
  Equal Tee
  
  Junctions 45 Degrees (Adapted Off Take)
  
  Repair Couplings
  
  Grommet Connectors
  
  Applications:
  
  Equal TeeGrommet ConnectorsJunctionsRepair CouplingsSegmented Bends
- Tooling & Consumables
  Tooling & Consumables
  
  Enviro Pipes supplies a range of tools and consumables to support efficient pipe installation, including isopropyl alcohol wipes, scrapers, hole saws, antibacterial pipe lubricant and wrenches.
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EnviroPressure®

Pressure Fittings

Our Products:

Fabrication

EnviroStorm®

EnviroSewer®

Drainage Pipe & Coils

EnviroProcess-Tanks®

Stormwater Retention Systems

Non-Pressure Fittings

Our Products:

Tooling & Consumables

EnviroPressure®

Pressure Fittings

Our Products:

Fabrication

EnviroStorm®

EnviroSewer®

Drainage Pipe & Coils

EnviroProcess-Tanks®

Stormwater Retention Systems

Non-Pressure Fittings

Our Products:

Tooling & Consumables

Carrapateena, SA

2019

Manufacture and supply of HDPE (PE100) pressure pipe and fittings 32mm PN16 and PN10 to 710mm PN16 and PN10. Fabrication of over 180 isometric drawings with quality documentation.

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