Sustainability

For PSE, sustainability is about the bigger picture—integrating environmental resilience, social progress, and economic health into every project.

Environmental stewardship

We hold ISO 14001 certification and prioritise progressive rehabilitation on every site to ensure we leave the land better than we found it

Operating in high-risk environments across the South Island, we embed environmental management into every stage of delivery. Supported by ISO 14001:2015 certification, we apply practical controls to minimise environmental impacts, protect waterways and biodiversity, manage waste responsibly, and ensure compliance with regional requirements.

The power of waste reduction

We have invested in a mechanical shredder that reduces demolition waste volume by an average of 60%. This allows us to re-use materials like crushed concrete as sub-base, drastically lowering the carbon footprint of our projects.

Future focused fleet

Our 100% company-owned fleet utilises the latest Euro 6 low-emission engines to minimise our environmental impact. We also integrate GPS machine control to achieve millimetre-level accuracy, which eliminates over-excavation and reduces all our project fuel consumption.

Social responsibility

We approach every project through the lens of delivering tangible value to our regions and communities. Our legacy is built on long-term partnerships, investing in future talent, and respecting cultural values alongside our local mana whenua.

FAQ

Have questions about our sustainability commitments? Here are the answers to the most common things clients want to know before work begins.

Do you recycle construction and demolition waste?

Yes. Materials such as concrete, metal, timber, and asphalt are separated and recycled wherever possible, reducing landfill and promoting resource reuse.

How do you manage stormwater and soil erosion sustainably?

We implement measures like sediment control, proper drainage systems, and erosion prevention techniques to protect waterways and minimise environmental impact during earthworks.

Do you use environmentally friendly machinery or fuel?

Our fleet includes modern machinery designed for efficiency and lower emissions. We continually monitor fuel use and maintain equipment to reduce environmental impact.