Civil, stormwater, structural and environmental engineers, servicing in New South Wales and Queensland, Australia, Contact us at info@sabaiconsulting.com.au or on 0421 007 780 for a free quote.
Read More


We provide the following services:

Civil Engineering

  • Road design
  • Stormwater/drainage design
  • Utilities design and coordination
  • Subdivision design (road, earthworks, drainage, utilities)
  • Project management
  • Parking and access reports

Stormwater Drainage and Flooding

  • Stormwater design
  • On-site Stormwater Detention (OSD) design and certification
  • Drainage inspections & certifications
  • NER/CPEng design certification
  • Flood studies and impact assessments
  • TUFLOW and HEC-RAS modelling
  • Water sensitive urban design
  • Water cycle management plans
  • Stormwater quality modelling (MUSIC)

Residential Developments

  • BASIX certification
  • Water and energy audits


  • Erosion and sedimentation control
  • Soil and water management
  • Green infrastructure (green roofs, walls, raingardens etc.)
  • Waste management plans