Civil Engineering
Solutions Tailored to Sydney
At Gilcon Engineering, we specialise in civil-works design that addresses New South Wales’ unique climatic challenges—from heavy-rain flood studies to precision drainage systems.
Our Expertise
Stormwater Management Plans
End-to-end plans that model water flow, safeguard site integrity, and secure council approvals.
Charged Lines & Absorption Trench Systems
Prevent stormwater runoff and protect properties with expertly engineered trench systems that meet all local environmental standards.
Flood Certificates, Studies & Reports
Comprehensive flood-risk assessments and council-approved certificates to keep your developments compliant and insured.
On-Site Detention (OSD) Systems
Custom retention solutions designed to capture and slowly release stormwater, reducing downstream flooding.
Vehicular Crossings & Driveways
Compliant designs for driveways and crossings—balancing function, and regulation.
Why Work With Us
Our holistic approach gives you a single point of contact from concept through certification. We combine practical cost-efficiency with rigorous safety standards.