SNG Engineers

Services

Structural engineering services for every stage of your project

Residential and commercial structural design, documentation, and investigation for builders, Architects and homeowners across South East Queensland.

Soil Testing

AS 2870 soil testing and geotechnical assessment to determine the right foundation design for your site.

Site Classification

AS 2870 site classification — from Class A stable sites to Class P problem sites — to guide footing and slab design.

Wind Classification

AS 4055 wind classification to determine the wind loading a structure must be designed to withstand.

Footing & Slab Design

Footing and ground slab design engineered for your site classification, from standard slabs to complex reactive-soil sites.

Piling Design & Engineering

Deep foundation piling design — bored, screw, timber-driven, precast, soldier and secant piles — for sloping sites and poor soil conditions.

Underpinning Design & Engineering

Underpinning design to support existing structures during adjacent excavation or to remediate an under-designed or settling foundation.

Retaining Wall Design & Engineering

Retaining wall design for boundary and terracing works, from timber sleeper walls to reinforced concrete block systems.

Swimming Pool Structural Engineering

Structural design for in-ground and above-ground swimming pools, alongside your pool builder's design and certification.

Build Over & Build Near Services (BOS/BNS) in Brisbane

Structural design and Council/Water authority-compliant documentation for building over or near sewer and stormwater infrastructure (BOS/BNS).

Structural Assessment & Inspection Reports

Structural assessment and inspection reports for cracking, movement, and deflection — pre-purchase inspections, insurance/QBCC claims, and dilapidation reports.

Structural Compliance Inspections

RPEQ compliance inspections for footings, piers, slabs, retaining walls, framing and bracing — sign-off against the engineered drawings before pour.

Suspended Slab & Concrete Floor Design

Suspended slab design for elevated floors, decks, and multi-level structures, including post-tensioned and conventional systems.

Structural Steel & Steel Framing Design

Structural steel design for beams, portal frames, and load-bearing steelwork in residential and commercial projects.

Timber Framing Structural Design

Timber framing design for floors, walls, and roofs in compliance with AS 1684, including bracing and tie-down.

Outbuildings, Carports, Patios & Gazebos

Structural design for sheds, garages, gazebos, carports, and other outbuildings, sized and engineered for Council approval.

Tilt-Up & Precast Concrete Panel Design

Structural design of tilt-up and precast concrete panels for industrial sheds, commercial buildings, homes, retaining walls, and fences.

Shop & Commercial Fitout Structural Design

Structural design and documentation for shop, retail, and commercial fitouts, including new openings and load-bearing alterations.

Renovations, Extensions & Structural Alterations

Structural design for house lifts, extensions, second-storey additions, and alterations to existing residential structures.

Load-Bearing Wall Removal

Structural design to safely remove a load-bearing wall or column, opening up your floor plan without compromising the building.

House Extensions Structural Design

Structural design for home extensions of all sizes — from a single-room addition to large-scale rear or upper-level extensions.

House Relocation Structural Engineering

Structural engineering for relocated houses — new footing and slab design, and engineering support for house-lifting and removal.