Partnering with our customers and suppliers to provide engineered solutions
Gary Brown, General Manager


Stevenson Construction Materials - High Lab Manufacturing Plant - Huntly, NZ

In 2017 Rocktec completed the Huntly Hi-Lab plant for Stevenson Construction Materials




  • 16x Conveyors
  • 4x Rocktec 16' x 5' Avalanche screens
  • Rocktec BTM96-R VSI Crusher (300kW)
  • Metso cone crusher
  • Produces 3 Hi-Lab products and 1 scalping product
  • Optional TNZ or PAP production mode
  • Additional concrete aggregate production section
  • Modular type design, all skid mounted


The Huntly Plant is a greenfield installation, designed to manufacture Hi-Lab specification aggregates. Included in the plant is a METSO GP300 Cone Crusher which Rocktec designed and manufactured the supporting structures and walkways. The Cone Crusher works in conjunction with the VSI to produce the specific Hi-Lab Aggregates. Similar to this a third screen was added to manufacture a range of concrete aggregates also.

Common wear parts are used throughout the plant to reduce spare stock holdings. The four Rocktec Avalanche screens feature roll-away front chutes for additional accessibility. 

Initial operation of the Huntly plant has indicated the plant capacity exceeds its performance specification of 250 Tonnes per Hour.

associated products


innovative designs

incorporating technology and experience to meet our customers required performance parameters


spare parts

utilizing our extensive supply chain network to provide customized, cost effective solutions


production capabilities

dynamic strategies to achieve on budget and on time projects


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