Selected Large-Scale & Complex Projects
Deratec delivers advanced modelling and compliance solutions for large-scale and technically complex projects across Australia. Below is a selection of projects showcasing our CFD, façade, energy, acoustic, and virtual testing expertise.
Thermal Comfort CFD Simulation – Penthouse Apartment
Project: 65–77 Market Street, Sydney NSW
Service Pillar: Advanced CFD Modelling
Challenge: Ensuring reliable comfort in a penthouse living room with high glazing and solar gain.
Deratec Involvement: CFD thermal comfort simulation tested displacement and mixed airflow strategies.
Outcome: Verified ASHRAE 55 compliance, maintaining PMV −0.5 to +0.5 and reducing hotspot areas by ~70%.

Plant Room Ventilation CFD Simulation
Project: 499 Kent Street, Sydney NSW
Service Pillar: Advanced CFD Modelling
Challenge: Ventilation performance in multiple plant rooms required verification for compliance and safe operation.
Deratec Involvement: Conducted CFD simulations of air distribution, pressure zones, and exhaust layouts.
Outcome: Optimised airflow paths and confirmed compliance with NCC Section J and AS 1668.2, ensuring safe operation.

Data Centre CFD – Cold/Hot Aisle Containment
Project: Sydney Data Centre (Sydney 1): 35 Huntingwood Dr, Huntingwood NSW
Service Pillar: Advanced CFD Modelling
Challenge: Needed to optimise rack cooling efficiency and prevent hot spots in a high-density hall.
Deratec Involvement: CFD analysis of cold/hot aisle containment, fan curves, and ΔT optimisation.
Outcome: Verified <5% racks above allowable inlet temp; recommended strategy reduced fan power by 10–15%.

CFD Ventilation & Heat Release Analysis – Battery Energy Storage
Project: Battery Storage Container, Weipa, QLD
Service Pillar: Advanced CFD Modelling
Challenge: Safe ventilation design for lithium-ion battery storage during normal and abnormal operation.
Deratec Involvement: CFD modelling of airflow, heat load, and emergency purge gas dispersion.
Outcome: Confirmed compliance with AS 1668.2 and NFPA 855; provided design recommendations for safe operation.

CFD Ventilation & Ammonia Leak Simulation – Streets Ice Cream Factory
Project: Streets Ice Cream Factory, Minto NSW
Service Pillar: Advanced CFD Modelling
Challenge: Freezer No. 1 required assessment of ammonia leak scenarios to evaluate occupant safety and ventilation effectiveness.
Deratec Involvement: Conducted CFD simulations of airflow and ammonia dispersion under multiple fan operation scenarios, comparing natural dilution and forced flush fan operation.
Outcome: Confirmed effective contaminant removal with full flush fan operation; results supported safe design and compliance with industrial ventilation standards.

CFD Wind Pressure Calculation – The Rochester Broadbeach
Project: 143 Surf Parade & 23–25 Britannia Avenue, Broadbeach, QLD
Service Pillar: Advanced CFD Modelling
Challenge: Assess localised wind pressures on a step-down balcony area behind a balustrade, where AS 1170.2 tables could not provide accurate data.
Deratec Involvement: Conducted CFD simulations of wind action on the façade and balcony step-down zone.
Outcome: Identified reduction of positive pressure ensured compliance with AS 1170.2.

JV3 Performance Solution – Meadowbank Residential Development
Project: 10–32 Terry Road, Box Hill NSW
Service Pillar: Energy Modelling (Section J & JV3)
Challenge: The community centre required an NCC Section J compliance pathway allowing reduced refrigerant pipe insulation and variations in glazing/insulation.
Deratec Involvement: Conducted JV3 dynamic energy modelling (J1V3) comparing reference and proposed buildings, incorporating VRF HVAC systems, insulation/glazing adjustments, and reduced pipe insulation (32 mm → 19 mm).
Outcome: The Proposed building achieved 10% lower GHG emissions and reduced annual energy use. Verified NCC 2022 Section J compliance while optimising insulation thickness and construction cost.

Condensation Risk & Mould Index Assessment – Sanctuary Apartments
Project: Phase 3, 14–16 Hill Road, Sydney Olympic Park, NSW
Service Pillar: Façade & Building Envelope Analysis
Challenge: High-rise residential towers required façade condensation and mould risk verification under NCC 2022.
Deratec Involvement: Conducted WUFI Pro analysis of wall systems using 10-year Parramatta climate data.
Outcome: Both wall types achieved mould index <3.0, confirming NCC Part F8 compliance and supporting durable façade detailing.

Car Park Ventilation CFD – CO Removal & Jet Fan Optimisation
Project: 22-32 Queen St, Campbelltown NSW
Service Pillar: Advanced CFD Modelling
Challenge: Demonstrate compliance with CO removal while reducing oversized exhaust systems for this multiple-level car park.
Deratec Involvement: Modelled jet fan layout, pollutant dispersion, and purge cycles using CFD.
Outcome: Verified compliance with AS 1668.2; achieved 30–40% exhaust flow reduction while maintaining CO ≤ 30 ppm.

Substation Room CFD Ventilation Simulation – Novus on Parramatta
Project: 39–43 Hassall Street, Parramatta NSW
Service Pillar: Advanced CFD Modelling
Challenge: Substation housing two 1500 kVA transformers required natural ventilation to meet MCI 0006.
Deratec Involvement: CFD modelling of airflow and heat distribution through a two-stage louvre system.
Outcome: Achieved compliance; room maintained within 5°C of ambient at 30–40°C without mechanical systems.

Virtual Testing – Louvre Aerodynamic, Rain Resistance & Wind Loading
Project: Sydney Data Centre (Sydney 3): 51 Huntingwood Dr, Huntingwood NSW
Service Pillar: Virtual Product Testing (CFD Lab)
Challenge: Independent verification of airflow, rain resistance, and wind loading for compliance.
Deratec Involvement: CFD and FEA testing to AS/NZS 4740: 2025.
Outcome: Achieved Class A rain resistance, Level 1 wind loading, and Class 2 discharge coefficient.

Virtual Testing – Acoustic Insertion Loss & Ventilation Performance
Project: Atherton Hospital Redevelopment, QLD
Service Pillar: Acoustic Modelling / Virtual Product Testing
Challenge: Balance acoustic attenuation with airflow capacity for louvres in hospital redevelopment.
Deratec Involvement: CFD and acoustic modelling to AS/NZS 4740 and AS 1191.
Outcome: Optimised blade profiles to achieve target STL/Rw while maintaining airflow and rain resistance.

Wind Loading CFD – Non-Standard Geometry Building
Project: 648 Old Northern Road, Dural NSW
Service Pillar: Advanced CFD Modelling
Challenge: The unconventional dome geometry required detailed wind pressure data not available in AS/NZS 1170.2 tables.
Deratec Involvement: Performed CFD simulations to derive local pressure coefficients (Cp), map pressure distribution, and identify critical suction zones.
Outcome: Delivered Cp maps and design pressures for façade and structural engineers, providing a reliable basis for safe and compliant design

JV3 Performance Solution – Ethos Apartments
Project: 15 Ellis Street, Chatswood NSW
Service Pillar: Energy Modelling (Section J & JV3)
Challenge: The development required a performance solution under NCC Section J to allow reduced refrigerant pipe insulation and glazing/insulation variations while maintaining compliance.
Deratec Involvement: Conducted dynamic energy modelling (J1V3) comparing the proposed building against a reference model, accounting for pipe insulation reduction (32 mm → 19 mm), glazing, and HVAC efficiencies.
Outcome: Achieved ~10% lower GHG emissions and energy use, confirming NCC compliance while reducing material costs.

Envelope Thermal & Condensation Risk Assessment – John Hunter Health and Innovation Precinct
Project: 3 Kookaburra Cct, New Lambton Heights NSW 2305
Service Pillar: Façade & Building Envelope Analysis
Challenge: Hospital envelope required R-value verification and condensation risk checks under NCC Section J.
Deratec Involvement: Conducted WUFI simulations and R-value assessments across multiple façade assemblies.
Outcome: Achieved compliant R-values and provided detailing recommendations to prevent winter interstitial moisture, supporting a healthy indoor environment.

Condensation Risk & Mould Index Assessment – Canterbury Olympic Ice Rink Redevelopment
Project: 17A Phillips Avenue, Canterbury NSW 2193
Service Pillar: Façade & Building Envelope Analysis
Challenge: Redevelopment required façade walls to be assessed for condensation and mould risk under NCC 2022.
Deratec Involvement: Conducted 10-year WUFI simulations of wall types using Sydney climate data.
Outcome: All assemblies achieved mould index <3.0, confirming NCC Part F8 compliance and supporting durable construction.

