Our Team

On Grade’s team of 40 is led by Managing Directors Beau Broadhurst and Kent Blackler, whose skills cover all aspects of civil drainage and excavation. We have a strong team of qualified and experienced drainlayers, excavator operators, drivers and labourers. We have a great company culture and value our employees, which is reciprocated in loyalty and hard work from our guys.


Heading the residential and commercial drainage and excavation team, Beau’s fifteen plus years working in both New Zealand and Australian industries has seen him develop an eye for quality control, ensuring a consistently high standard of work. Clients often comment on Ongrades ability to deliver highly accurate work in such a time efficient manner.

Kent Blackler leads the civil operations of the business and offers an extensive background in all areas of civil drainage and excavation over the past 15 years. Whether it’s subdivisions, road drainage or bulk earthworks, Kent has the skills and experience to offer the right solution for any situation.


We are Waimakariri District Council and Christchurch City Council approved contractors and hold Site Safe and Confined Spaces certifications. We are dedicated to maintaining the highest level of Health and Safety practices, ensuring our work sites are safe for both our team and clients.

    • CCC authorised Water Supply Installers and Drain Layers.
    • Water reticulation. 
    • Drain layers
    • SiteWise
    • Comprehensive H&S Program.
    • ACC Workplace Safety Management Practices Secondary Accreditation.


Equipment and Resources

Ongrade prides itself on providing a quality fleet that is well maintained and equipped for each project it undertakes.

We have a variety of equipment including excavators ranging from 1.5T to 29T, trucks from 5T to 20T including our own transporter, tools trucks, pipe trucks and loaders. Our larger equipment have full 3D GPS systems to allow for more productivity and accuracy.

Our resources are not just limited to excavators and trucks, we are able to supply mobile plant equipment including dewatering units, site containers and portable construction equipment.