Ongrade provides dependable civil construction, stormwater drainage, and wastewater treatment services for both residential and commercial projects. Our team works with builders, developers, and councils across Canterbury, delivering installations that meet compliance standards and perform reliably for the long term. From wastewater treatment plant work to subdivision earthworks, we approach every job with accuracy, care and a commitment to getting the details right.
RESIDENTIAL & COMMERCIAL
Our Residential & Commercial Capabilities
Sanitary Sewers
Installation and connection of Wastewater Reticulation System pipelines for residential and commercial sites, completed to meet engineering and council requirements.
Stormwater Systems
Construction of stormwater systems and storm drain solutions designed to manage runoff effectively and protect buildings, driveways and surrounding land.
Septic Tank Systems
Supply and installation of septic tanks and associated pipework for rural and off-grid properties, ensuring reliable wastewater treatment and disposal.
New Housing Drainage Installations
Complete drainage solutions for new homes, including storm water drainage, water reticulation systems and service connections.
Subdivided Sections (Connection To Mains)
Professional connection of new lots to existing council mains, carried out safely and in line with civil work and subdivision consent conditions.
Pump Chambers
Installation of sanitary sewer pump stations and pump chambers for wastewater treatment plant systems where gravity flow is not possible.
Dripper Lines & Effluent Fields
Design and installation of subsurface dripper lines and effluent disposal fields, built for efficient, compliant waste treatment plant operation.
E1 Pump Chamber Installers
Certified installation of E1 pump chambers, ensuring correct placement, setup, and performance in accordance with regulatory standards.
A Fully Accredited Team Committed to Best Practice
Our team is fully certified, accredited and equipped to deliver every project with total safety, compliance and professionalism.
- Comprehensive Health and Safety programme
- ACC Workplace Safety Management Practices Secondary Accreditation
- Full qualifications in water reticulation, civil infrastructure and residential drainage
- CCC authorisation for water supply installation and drainlaying
- SiteWise Gold status
- Licence endorsements including classes 1–5, WTR and DG
- First Aid certified crew across all projects
