Construction of Stormwater Box Culverts & associated works

Minnesota Road, Hamlyn Terrace

Value: –                      $1.3 million

Client: –                      Wyong Shire Council

Description: –          

  • Installation & continual monitoring of sediment and erosion control measures,
  • Management of major waterflow through existing creeks and diversion around worksite using diversion channels and pumps,
  • Demolition and removal of existing concrete pavement materials,
  • Bulk Earthworks (1500m3 approx.) and detailed excavation for culvert slab footprint,
  • Installation of a leanmix subbase underneath culvert slab footprint,
  • Placement of formwork, steel reinforcement and 40MPa B80 Concrete to culvert slab,
  • Installation of 144 Box Culverts 3.6m wide x 2.4m long x 0.9m high,
  • Installation of up and downstream rip rap erosion protection,
  • Placement of formwork, steel reinforcement and concrete to headwalls and edge beams
  • Placement of Sandstone logs,


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