Infrapipe Case Studies
Explore real-world case studies of how our large pipes and underground tanks tackled diverse challenges across industries. Discover successful applications in culvert replacement, irrigation, wastewater management, and more.
Get inspired for your next project! We offer a wide range of large pipes and underground tanks to suit your specific needs. Let us help you find the perfect solution to tackle your toughest challenges.
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Case Studies

Department of Conservation DOC
Key Facts
- Location: Manawatū-Whanganui, New Zealand
- Culvert pipes

Downer
Key Facts
- Location: Hawkes Bay
- Pipe Medium: Culvert
- Pipe Size and SN Rating: DN3200 SN8
- Product Type: Spiral Wound Pipe
- Material: HDPE

Ecoflow
Key Facts
- Location: New Zealand Nationwide
- Pipe Size: DN1350 – DN3200
- Product Type: Underground Tank
- Material: HDPE100

He Ahi
Key Facts
- Location: He Ahi, Taupo, New Zealand.
- Scope: DN900 and DN700 Krah Spiral Wound Pipe.

Pan Pacific
Key Facts
- Pipes: DN3200 SN7.57 Forestry Culverts.
- The culverts were PE100 spiral wound CPR pipes.
- Geographic Location: Hawkes Bay.

Patoka
Key Facts
- Location: Hendley Road, Patoka, Hawke’s Bay, New Zealand
- Scope: Supply of 30 metres of 3200mm culvert pipe
- Sector: Infrastructure / Disaster Recovery


Ports of Auckland
Key Facts
- Pipe Size: 2500 ID
- Product Type: Spiral wound, covered profile pipe.
- Geographical location: Ports of Auckland, New Zealand
- Material: High-density polyethylene.

Puketītiri
Key Facts
- Location: Remote forest area, Puketītiri, Hawke’s Bay, New Zealand
- Solution: Double barrel culvert using DN2500 Krah Pipe

Te Ara Tupua
Key Facts
- Location: Wellington, New Zealand
- Solution: HDPE Pipes. The Backbone of the Te Ara Tupua Project.

Waikato Regional Council
Key Facts
- Location: Waikato, New Zealand
- Scope: DN1800 SN8 Pipe Sections, each 3.5m long

