Stormwater Management & Civil Engineering Design Solutions for Seamless Project Approvals.

Experts in stormwater management plans, drainage design, and compliance for residential, commercial and industrial projects.

 

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Who we help?

Supporting architects, town planners, developers, and homeowners with expert designs that meet compliance and streamline approvals.

Architects, Town Planners, and Developers – Expert Design collaboration to ensure a smooth development application, construction certificate and occupation certificate approval process.

Builders & Contractors – Seamless and cost-efficient integration of approved stormwater and civil solutions.

Homeowners – Help you comply with Council stormwater and Approved Consent Conditions to get you building faster.

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Stormwater & Civil Engineering Services

We offer civil engineering services for pre-DA consultation, feasibility assessments, development applications, construction and occupational certificates for residential, commercial, industrial, rural developments, including alterations and additions, new residences, multi-unit and subdivisions.

 

  • What we deliver:

    Stormwater Management Plans – Approval ready drainage designs tailored to your site.

    What we do:

    Design, Detailing and Computational Analysis of:

  • What we deliver:

    Driveway Design Plans - Custom layouts for optimal access.

    What we do:

    Design, Detailing and Computational Analysis of:

    • Driveway alignments

    • Vehicle turning paths (swept paths)

    • Driveway long sections & cross sections

    • Driveway crossover design (Click on public domain title)

    • Car space design

    • Driveway stormwater design and integration into the stormwater management plan

    • Earthwork estimation

  • Specialised assessments to ensure compliance.

    What we deliver:

    Flood Risk Management Plans/Report

    SEPP Complying Development flood report

    Flood Emergency Management Plan

    Overland Flow Study

    What we do:

    Catchment Analysis

    1D/2D flood modelling using HEC RAS

    Flood data collection/collation/interpretation

    Hydrologic and hydraulic modelling analysis of existing and proposed stormwater systems

    Preparation of flood report/certificate

  • Efficient water management strategies.

    What we deliver:

    Erosion and Sediment Control Plans (small sites)

    Soil and Water Management Plans (large sites)

    What we do:

    Selecting and detailing erosion and sediment control measures in accordance with Landcom's "Blue Book"

    Sizing temporary sediment basins

 
EXPLORE ALL OUR SERVICES

Why Choose Amuna?

With 7+ years of experience in stormwater and civil consulting, we simplify the approval process by providing innovative, cost-effective solutions tailored to your needs.

Key factors:

  • Work directly with Stu, a Chartered Civil Engineer and Qualified Builder.

  • Council-Approved Designs

  • Quick Turnaround Times

  • Affordable, High-Quality Engineering Solutions

  • Trusted Local Expertise

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Our Commitment to Excellence

  • amuna integrity graphic

    Integrity

    Honesty, clear and timely communication is fundamental to our way of working.

  • amuna cost effective graphic

    Cost-effective

    Our first-principles approach is to offer innovative and cost-effective design solutions.

  • Precision

    Precision is reflected in our clearly documented drawings and project delivery.

Testimonials

  • "Dealing with Stuart at Aumna is always a great experience. MGP have been working with Stuart for a number of years, his stormwater management and civil engineering design solutions are effective, efficient and compliant. He is always available to answer questions and makes the whole process seamless. Highly recommended."

    Alex - MGP - Building & Infrastructure Services

  • "We've worked with Stuart from Amuna on multiple residential projects, and it's always a great experience. He's super helpful when it comes to solving problems, always quick to respond, and very reliable. We really enjoy working with Amuna and would highly recommend him to anyone looking for civil engineering services."

    Lachlan - Braaid Architects

  • "Stuart is a pleasure to work with. He takes care with his design giving our clients economical and well thought out solutions to their site. He takes into consideration of our architectural designs and building budget. We highly recommend him as a stormwater engineer and will continue to use him for our projects."

    Jodie - Jodie Dang Architects

  • "Excellent service and prompt turnaround on a tight deadline. Approved through council without an issue. I’d recommend Stuart."

    — E Tuza, Client

  • "We have had the pleasure of collaborating with Amuna Civil Engineers on numerous projects, and their professionalism and expertise consistently impress us. Stuart and his team bring a level of efficiency, accuracy, and problem-solving that makes our job as architects significantly smoother. Their clear communication, attention to detail, and proactive approach ensure that challenges are addressed swiftly and effectively. Beyond their technical capabilities, the team at Amuna is always pleasant and easy to work with. We highly recommend them to anyone seeking reliable and skilled civil engineers."

    Annie - Playoust Churcher Architects

  • "CO-AP has worked with Amuna for a few years now. It is a pleasure working with Stuart. Always reliable and providing smart solutions to our projects. A real asset to the sub-consultant team."

    Will - CO-AP Architects

  • "It's been a really great experience with Amuna on my project.. Stuart has been amazingly helpful and insightful throughout the entire planning and approval process."

    — M Page, Client

Got Questions?
We have the answers.

  • Our lead times typically vary between 2-4 weeks.

  • We specialise throughout NSW. Our primary LGA’s are located in Sydney, Central and South Coast areas.

  • Yes, we work with Councils on an as-needed basis, though typically, we will have one-to-one discussions with Council Engineers for each specific project.

  • The cost of each consultation varies depending on the development type, site location and Council requirements. Book a consultation or contact us today for a free quote.

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Let's Get Started!

Reach out today for a free initial consultation and quote. We’re committed to responding promptly and helping you bring your project to life.