Downer Case

Case Study


Key Facts

  • Pipe Medium: Culvert
  • Pipe Size and SN Rating: DN3200 SN8
  • Product Type: Spiral Wound Pipe
  • Material Used: HDPE
  • Geographic Location: Hawkes Bay
Infrapipe - Hawkes Bay


The previous culvert was deep in a natural sandstone crevice 10 meters from the road level. As a solution, INFRAPIPEā„¢ provided the necessary lightweight PE product.

  • INFRAPIPEā„¢ carried out static calculations to determine the required SN rating as well as supplied installation drawing.
Lightweight PE Product
Static Calculations