Precast Stormwater Accessories

Our Precast Stormwater Accessories range is designed to complement and enhance the performance of stormwater drainage systems across civil, commercial, and infrastructure projects. These components provide the flexibility, adjustability, and finishing touches required for efficient and compliant installations.

The range includes:

• Conversion slabs – for adapting pit sizes and providing support for covers or grates
• Spacer rings – used to achieve correct pit heights and levels during installation
• Lintels – for use in side entry pits and kerb inlets, supporting traffic loads while enabling smooth surface flow

Each unit is manufactured to the highest standards for strength, durability, and fit, ensuring compatibility with a wide variety of pit sizes and configurations. Whether you’re working on new drainage systems or upgrading existing infrastructure, our accessories offer practical, high-quality solutions that make installation faster, safer, and more precise.

Precast Main Roads WA

Our range of Precast Main Roads WA (MRWA) products is purpose-built to meet the stringent specifications and quality standards required for Western Australia’s state road network. Designed for reliability, safety, and long-term performance, these precast components play a vital role in supporting MRWA-approved infrastructure projects across the state.

From stormwater drainage structures and access chambers to trafficable covers and kerbside units, each product is manufactured with precision and durability in mind. All components are produced in accordance with Main Roads WA specifications, ensuring full compliance and easy integration into approved designs.

Trusted by contractors and government agencies alike, our precast MRWA range helps streamline construction timelines, reduce on-site labour, and deliver consistent, high-quality outcomes for road and transport projects throughout Western Australia.

Stormwater Side Entry Pits & Components

Our Precast Stormwater Side Entry Pits and Components are purpose-built to deliver efficient stormwater capture and conveyance in urban and roadside drainage networks. Commonly installed along kerb lines, these units are essential for directing surface runoff into the underground stormwater system while maintaining traffic and pedestrian safety.

Manufactured to meet stringent quality and durability standards, our side entry pits are available in a range of sizes and configurations to suit varying design requirements. Each unit is designed for seamless integration with cast-in or bolt-on grates, lintels, and other components, ensuring a complete and reliable drainage solution.

With options tailored for trafficable applications and compatibility with local authority specifications, our precast side entry solutions offer fast installation, reduced on-site labour, and long-term performance across civil, commercial, and municipal projects.

Precast Stormwater Gully Grates

Our Precast Stormwater Gully Grates are designed to provide effective surface water capture while ensuring safety and reliability in high-traffic environments. Manufactured for long-term performance, these grates are suitable for installation in roads, car parks, and other urban infrastructure projects.

Available in a variety of sizes and profile finishes, our gully grates are offered in either cast iron or galvanised steel, catering to different aesthetic and functional requirements. Each unit is engineered for trafficable installation, ensuring compliance with relevant load class ratings and local standards.

With a focus on strength, fit, and ease of installation, our gully grates are a trusted choice for stormwater management solutions across civil, commercial, and government projects.

Precast Stormwater Manhole Covers & Grates

Our Precast Manhole Covers are designed to provide secure, long-lasting access solutions across a wide range of infrastructure applications. Whether installed in high-traffic roadways or landscaped areas, our covers offer both safety and durability, meeting the demands of modern civil, plumbing, and utility projects.

We offer a full range of trafficable and non-trafficable covers to suit site-specific requirements:

• Trafficable covers are Class D rated, engineered to withstand heavy vehicle loads and suitable for roads, industrial sites, and transport corridors.
• Non-trafficable covers are Class B rated, ideal for footpaths, reserves, and other areas where vehicle access is limited.

Manufactured to high-quality standards with a focus on safety, fit, and function, our manhole covers ensure ease of installation, secure sealing, and reliable performance over time.

Precast Stormwater Bases

Our Precast Stormwater Bases form the foundation of robust and efficient stormwater drainage systems. Designed to support a range of liners and pits, these bases provide a durable connection point for incoming and outgoing pipes, while also forming a stable access point for inspection and maintenance. This ensures smooth flow and long-term reliability in managing surface water runoff.

Manufactured to the highest standards, our bases are available in diameters ranging from 1050mm to 2600mm, and come in a variety of configurations including solid, weep, and strip footings. This flexibility allows for tailored solutions to suit site-specific ground conditions and hydraulic requirements.

Whether for civil infrastructure, subdivisions, or commercial developments, our precast bases offer a high-quality, consistent solution that reduces on-site labour, speeds up installation, and enhances the overall performance of stormwater systems.

Type 1 Maintenance Shafts

Our Sewer Type 1 Manholes are designed and manufactured to meet the rigorous standards set by the Water Corporation of Western Australia. Commonly used across sewer reticulation networks, these precast concrete structures are engineered for strength, durability, and ease of installation in a wide range of ground conditions.

Type 1 Manholes are typically used for pipe diameters up to DN600 and are available in various depths and configurations to suit project-specific requirements. Each unit is manufactured to ensure watertight performance, long-term structural integrity, and compatibility with Water Corporation specifications and civil design standards.

Whether for new developments or sewer network upgrades, our Type 1 Manholes offer a high-quality, compliant solution that supports safe access, inspection, and maintenance across wastewater infrastructure.