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Hot favourite with farmers to enhance the efficiency of working farms.

Client: Northland Agricultural Research Farm 
Project Duration 3 months 
This project consists of a 22 metre road underpass with 12 and 18 metre retaining wing walls. The underpass was made of 15 precast culvert sections and wing walls. Using precast concrete elements reduced the project duration.  This was a high-risk project with regards to ground water and highway regulations. 


  • Martin Farm Silage Pad & Underpass 
  • NARF HB Cowshed & Underpass 
  • McConnell Farm Underpass 
  • Hilton Jones Farm Underpass