Civil/Hydraulic Engineering

Civil/Hydraulics Services include the following but not limited to:

1. Stormwater Management Plan Designs for residential/commercial/industrial developments in all Councils area in accordance with Council DCP/Policy and/or AS3500.3:2003 – Stormwater Drainage incorporating (as relevant):
  • Property drainage including downpipes, pipes, pits, Basix rainwater tank, connection to Council system
  • Water Sensitive Urban Design
  • On-site Stormwater Detention system. Sizing by computer software as required
  • Charged system design with Hydraulics Grade Line Analysis
  • Absorption trench sizing and specification
  • Pump-out system sizing and specification
  • Roof drainage easement design and specification
  • Gross Pollutant Trap sizing and specification

2. Flood Studies to the requirements of all Councils to calculate and analyze impacts on 100 year ARI overland flow and determine required setbacks and floor levels.
3. Provision of Design Certification of stormwater designs for Construction Certificate.
4. Stormwater interim and final inspections. Work-as-Executed drawings. Final inspection Certification.
5. Soil and Water Management Plans and Sediment and Erosion Control Plans to the requirements of Councils and Landcom Soils and Construction “Blue Book” 2004.
6. Road profile and pavement designs ( Local and state authorities).
7. Trunk drainage and culvert provision and/or relocation design.
8. Traffic Engineering; design of carparks and access roads/driveways to the requirements of AS2890.1:2004 – Off Street Carparking. Provision of Traffic Statements to support proposed developments with respect to AS2890.1:2004.
9. Contract development engineering assessment on behalf of local Councils.
10.  Small scale subdivision design incorporating (as relevant):
  • a. Drainage system sizing and specification
  • b. Access road / driveway layout design and specification
  • c. Kerb and gutter design
Civil/Hydraulics Office Systems/Programs used
  • AUTOCAD
  • HEC-RAS
  • ILSAX/DRAINS
  • RARE
Head Office

Tel: 02 9806 3000 
Fax: 02 9891 2806

​15 Parkes Street 
Parramatta 
​NSW 2150

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