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Civil Engineering

Speak to an expert engineer today, for free!

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Expert guidance for your development projects across Sydney and NSW.

02 9742 7229

Mon-Fri 9am-5pm AEST

contact@deepriver.com.au

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Tell us about your vision and we'll guide you through the process.

Intelligent Infrastructure. Delivered by Deep River.

At Deep River, we offer civil and environmental engineering services that support smarter developments, sustainable growth, and faster approvals. Whether you’re building roads, managing stormwater, or delivering an entire subdivision, our engineering team provides the technical expertise and project management to get it done right – first time, every time.

From small urban infill projects to complex regional infrastructure, we work across NSW to help developers, landowners, builders, and councils bring their vision to life.

Our Civil Engineering Design Services

Road Design & Pavement Engineering

Smart, durable solutions for new roads, upgrades, and intersection planning.

Stormwater Drainage & On-Site Detention (OSD)

Efficient drainage systems and flood modeling to meet environmental and regulatory requirements.

Hydraulic Design & Water Sensitive Urban Design (WSUD)

Innovative, sustainable solutions that improve water quality and support ecological health.

Sewer & Water Reticulation and Relocation

Planning and design of efficient, scalable underground services infrastructure.

Subdivision Planning & Design

From feasibility through to detailed design, we deliver compliant, cost-effective subdivision outcomes.

Engineering Inspections & Assessments

Comprehensive civil inspections and assessments to inform design and support project decisions.

Our Engineering Services

Civil Engineering Design

We design infrastructure that supports real-world development outcomes. Our team delivers:

  • Road design and pavement specification
  • Stormwater drainage, OSD, and flood modelling
  • Sewer and water reticulation
  • Earthworks and site grading
  • Subdivision and trunk infrastructure layout

All designs are prepared to meet local council, WaterNSW, and NSW Government standards – and we manage the approvals process end-to-end.

Environmental Engineering

We embed sustainability into your project with practical, compliant design solutions:

  • Water Sensitive Urban Design (WSUD)
  • MUSIC modelling and stormwater quality management
  • On-site wastewater treatment and disposal
  • Soil and water management plans

Our environmental engineers help you meet planning conditions, reduce risk, and design for long-term resilience.

Project & Contract Management

We don’t just design – we deliver. Deep River offers expert project coordination, including:

  • Tender documentation and evaluation
  • Contract administration and superintendence
  • Site inspections and compliance monitoring
  • Stakeholder engagement and authority liaison

We act as your eyes and ears on the ground, ensuring your civil works stay on time, on budget, and within scope.

Why Developers Choose Deep River

  • Integrated planning + engineering – Town planners, surveyors, and engineers all under one roof
  • Built for approvals – We design with council requirements and real construction outcomes in mind
  • Scalable for any project – From small subdivisions to major infrastructure works

Our Clients

  • Private landowners
  • Property developers (residential, industrial, commercial)
  • Builders and contractors
  • Local councils and government authorities
  • Infrastructure providers

We scale our service to fit your goals – whether it’s a two-lot subdivision or a 200-lot precinct.

Your Engineering Partner from Concept to Completion

Contact Deep River today to speak with an engineering expert.

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