Structural Engineering Design for Ancillary Structures
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Our Structural Engineering Approach
We know that even small projects can feel complex. Our role is to make the engineering side clear and manageable, while protecting your project from structural issues and approval problems.
What You Can Expect
Straightforward, easy-to-read engineering documentation
Designs that follow Australian Standards and council requirements
Practical solutions your builder can construct without confusion
Ancillary Structures We Design
Ancillary structures often sit around the main building but play a big role in safety, stability and daily use of your property. We provide Structural Engineering Design for Ancillary Structures such as:
Pools
Retaining walls
Decks
Carports
Verandas, patios, pergolas and sheds
Designed for Real Conditions
Each design is tailored to:
Your site and soil conditions
The chosen materials (timber, steel, concrete, masonry, etc.)
Local wind loads and climate conditions
Pool Structural Engineering Design
Pools place significant loads on surrounding soil and structures. Proper engineering helps prevent cracking, movement and long-term damage.
What We Cover for Pools
Structural design for concrete, fibreglass and above-ground pools
Wall and slab thickness, reinforcement and footing details
Consideration of nearby boundaries, retaining walls and existing structures
Our documentation supports smooth council approval and gives builders clear information to construct safely.
Retaining Wall Design
Retaining walls are critical for managing level changes, supporting driveways and protecting buildings from soil movement.
Types of Retaining Walls We Design
Timber retaining walls
Concrete sleeper retaining walls
Masonry and block retaining walls
We consider:
Soil pressure and drainage
Wall height and loading
Foundation and footing design
Deck Engineering Design
A deck should feel solid, safe and durable, whether it is at ground level or elevated. We design decks that handle real-life use, including people, furniture and weather exposure.
Key Elements in Our Deck Designs
Beam, joist and post sizing
Footing sizes and depths
Safe connections to houses and other structures
Specific consideration for decks near pools
Carport Structural Design
Carports must resist wind, rain and long-term wear while remaining stable and secure. We engineer both attached and freestanding carports.
Our Carport Design Focus
Timber, steel or hybrid framing solutions
Structural layout and member sizing
Footing and anchoring details
Compliance with wind and structural loading requirements
Other Ancillary Structures
Beyond pools, retaining walls, decks and carports, we also provide engineering for a range of outdoor and small structures.
Additional Structures We Support
Verandas and patios
Pergolas
Sheds and garden structures
Alfrescos and outdoor rooms
All are designed to be safe, durable and compliant with relevant Australian codes.
Residential Structural Engineering Services
In addition to Structural Engineering Design for Ancillary Structures, we assist with broader residential projects.
Typical Residential Projects
New homes and extensions
Renovations and wall removals
Structural upgrades and remedial works
We aim to keep the process clear and stress-free, explaining any structural requirements in simple terms.
Commercial & Light Industrial Support
We also work on selected light commercial and industrial projects where ancillary or small structures are required.
Examples of Light Commercial Work
Small warehouses and workshops
Storage buildings and canopies
Structural checks for minor fit-outs
Our focus remains on practical, buildable and compliant designs.
Our Process
We follow a straightforward process to keep your project moving efficiently.
1. Initial Consultation
We review your plans, site information and council or certifier requirements. At this stage, we clarify scope, timelines and any key constraints.
2. Engineering Design & Documentation
We prepare structural calculations, drawings and reports tailored to your project. The documentation is formatted for easy use by builders, certifiers and councils.
3. Ongoing Support
If questions arise during approval or construction, we are available to clarify details and provide guidance where needed.
Why Clients Choose Ostanes Engineering
Clients appreciate that we combine technical competence with clear communication.
What Sets Us Apart
Simple, understandable explanations
Fast and reliable turnaround times
Designs that are realistic to build
Strong focus on compliance and safety
Start Your Ancillary Structure Project with Confidence
Whether you need engineering for a pool, retaining wall, deck, carport or any other ancillary structure, we are ready to support you with clear, compliant and practical design.
Contact Ostanes Engineering today to discuss your project and receive a tailored Structural Engineering Design for Ancillary Structures.
Structural Engineering Design: Tips, Trends & Techniques
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