
Expert EEHA, Hazardous Areas, Process & Functional Safety Engineering
Utilising the latest software, technology and engineering processes for improved engineering design, quality control, safety, compliance, plant upgrades and plant efficiency.
Hazardous Areas, EEHA Projects & Functional Safety Project Experience

We provided high quality deliverables including Hazardous Areas Classification, EEHA auditing and defect rectification, along with remote control, remote operations, Industrial IoT and edge computing upgrades, integrating with existing PLC/SCADA systems.

Complete delivery of multiple upgrades, Hazardous Areas Classification, EEHA and compliance auditing, delivery of plant overhauls and defect rectification at a leading waste companies Forced Feed Evaporator Waste Oil facilities.

Complete delivery of, Hazardous Areas Auditing, a New HA Verification Dossier, EEHA auditing and defect rectification for gas turbine's and gas main at Energy Australia's dual fuel Natural Gas and diesel fired power station in SA's mid north.

As part of our Technical Due Diligence assessment for Swarmfarm Robotics in 2025, DAYTECH performed a detailed standards & regulatory compliance audit as well as a risk assessment matrix, covering machinery, functional safety, automotive & farm equipment requirements, robotics & autonomous offroad vehicle and safety systems.

EEHA and Hazardous Areas Classification, as well as design and construct engineering consulting for the upgrade was provided to DOWNER and the project stakeholders, including electrical and mechanical contractors, meeting regulatory requirements for explosive atmospheres.

Working with project delivery partners, our team provided Subject Matter Expertise for several key projects at the Department of Defence RAAF bases and facilities throughout Australia to deliver Hazardous Areas Engineering, remediation works and EI&C project engineering works.
Specialised Hazardous Areas & Functional Safety Engineering Consulting, Compliance Solutions & Project Delivery - Australia Wide
DAYTECH's team of EEHA and Process & Functional Safety Engineering specialists can provide a range of turnkey engineering services. Delivered by experts in the field of Hazardous Areas, Dangerous Goods, Safety Instrumented Systems and high risk processes, you can be assured you are working with some of the best in the industry.
DAYTECH specialise in the following areas for High Risk applications, Explosive Gas and Dust Environments:
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EEHA Electrical, Instrumentation and Control System Engineering design;
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Design for hazardous area installations and selection of hazardous area equipment;
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Hazardous Areas Plant 3D modelling, 2D layout mapping and drafting, upgrades and change management, specialising in brownfields plants, de-engineering and compliance upgrades;
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Process, Instrument and Control System specification, design, programming, auditing and calibration services;
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Intrinsic safety installation design and compliance, in addition to product design and certification management;
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EEHA electrical and instrumentation project management, procurement and installation;
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EEHA skid and controls fabrication and manufacture of custom equipment;
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Commissioning, FAT, SAT, EI&C calibration, control loop tuning, plant optimisation;
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Operator training, user manual documentation, SOP and plant handover;
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Process control and Automation Systems Compliance, HAZOP, Risk Assessment and Auditing;
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AS/NZS 60079.10.1 Explosive Gas Atmospheres series - Hazardous Areas Classification, Hazardous Areas Verification Dossiers for flammable and combustible liquids and gases;
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AS/NZS 60079.10.2 Explosive Dust Atmospheres series - Hazardous Areas Classification, Hazardous Areas Verification Dossiers for combustible dusts;
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AS/NZS 60079 series - EEHA (Electrical Equipment for Hazardous Areas) Inspections and Audits;
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AS/NZS 4024 series - Electrical Safe Guarding of Machinery Risk Assessment, categorisation and system design, emergency stop and emergency shutdown, EI&C System safety and installation compliance upgrades;
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AS/NZS 1940 The storage and handling of flammable and combustible liquids series - assistance with laboratory classification, design assistance, tank and bunding auditing, plant layout review, reporting, defect analysis and engineering assistance;
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AS1940 definitions for combustible liquids: AS1940 includes a definition for combustible liquids as any liquid, other than a flammable liquid, that has a flash point, and has a fire point that is less than its boiling point. For the purposes of AS1940, combustible liquids are divided into two classes as follows:
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Class C1 - a combustible liquid that has a closed cup flashpoint of greater than 60°C and no greater than 93°C.
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Class C2 - a combustible liquid that has a flashpoint exceeding 93°C or has been excluded from being a flammable liquid by any of the criteria for sustaining combustion.
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United Nations Globally Harmonised System of Classification and Labelling of Chemicals (GHS), classification to category 1-4 and equivalent ADG Codes;
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The Australian Dangerous Goods Code (ADG Code) which is the Australian Code for the Transport of Dangerous Goods by Road and Rail, Class and Packing Group (PG) classification.
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Gas detection, alarming and shutdown systems, including remote alert systems, for Hazardous Areas and Dangerous Goods;
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Pressurisation and ventillation system design and turnkey project delivery;
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Remediation of defects and non-compliant electrical installations by qualified EEHA electrical technicians;
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Electronic hardware compliance and assistance with non IEC-Ex or AUS-Ex Conformity Assessment Documentation, such as ATEX equipment;
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Lithium battery charging/discharging management, System Design and Compliance;
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Automatic battery cooling and temperature control systems;
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RF compliance reviews and assistance, including antenna, radio and communications system design and compliance in Hazardous Areas;
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IEC 61508 / IEC 61511 - Safety Instrumented Systems (SIS / SIL levels) - LOPA;

Compliance Auditing & Engineering Services
Compliance Auditing, Inspections and Defect Rectification Solutions
We have a strong understanding of Australian Standards, rules and regulations and offer complete engineering design, installation and documentation auditing and defect rectification services to assist in the process of ensuring compliant Hazardous Areas design and operations.
With specialisation in complex brownfields applications, we have developed a reputation for excellence in technical capability, high quality deliverables and excellent customer service.
DAYTECH's team can provide qualified risk assessments, product, plant and installation design and compliance, engineering standards auditing and functional testing reports, specialising in the following areas:
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Qualified 3rd party compliance audits, defect identification, risk assessments, risk categorisation and management plans.
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Process, Electrical and Mechannical product and installation design compliance, standards compliance auditing and functional testing reports;
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3rd party EEHA inspection, HA Classification compliance auditing and gap analysis reporting;
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Defect rectification plans, balancing legal requirements with budget and operational needs;
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Thermal imaging, hot joint defect identification, process safety, gas and leak detection, mapping and reporting;
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Process control and automation systems compliance, HAZOP, risk assessment and auditing;
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Auditing condition, integrity, maturity and analysis of estimated lifespan of assets and equipment;
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Earthing system analysis and audits; AS2067, EG1, EG0 & IEEE80, AS3000, AS60079, fault level studies to AS3851;
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Electrical asset condition assessment and testing (switchgear, cables, transformers, motors);
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Instrumentation auditing and system capacity assessments (for telemetry and SCADA);
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Power system shutdown and contingency planning;
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Audits and production of operation and maintenance manuals;
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AS/NZS 4024 series - Electrical Safe Guarding of Machinery Risk Assessment, Categorisation and Auditing;
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Gas turbine, diesel generator, boiler system, heat exchanger, compressor, centrifuge and other major process equipment condition analysis and reporting, utilising wireless condition monitoring technology and real time analysis for detailed report generation;
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Gas detection, leak detection, alarming and shutdown systems, including remote alert systems, for Hazardous Areas and Dangerous Goods;
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Electronic hardware compliance and assistance with RCM in addition to Electrical Safety;
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Energy storage systems compliance and battery safety;
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Lithium battery charging/discharging management, System Design and Compliance;
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Automatic battery cooling and temperature control systems;
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EI&C - System safety and installation compliance audits;
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RF compliance reviews and assistance;
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EMC compliance reviews and assistance;
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Process, Instrument and Control System specification, design, programming, auditing and calibration services;
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IEC 61508 / IEC 61511 - Safety Instrumented Systems (SIS / SIL levels) - LOPA auditing and assessments.
DAYTECH's team of researchers, engineers and technicians have a wealth of hands on engineering and application experience. With decades of combined years in the industry, we understand the Australian Standards, rules a regulations. Our experience in the complete end to end research and development, FEED, through to design, construction, commissioning and ongoing asset lifecycle of industrial processes, in addition to deep levels of R&D for product and OEM equipment development, provides our team with a unique advantage to assist our clients.
Our expertise focuses on industrial products and processes in the chemical, energy and resources sectors for hazardous areas and dangerous goods. We have subject matter expertise in Electrical Equipment for Hazardous Areas (EEHA), Hazardous Areas Classification (HAC), ERAC, RCM, EMC, plant and equipment Australian Standards compliance, instrumentation and control equipment, RF and communications systems, BMS, Batteries, electrical power systems and electrical safety. This allows us to provide compliance and asset management assistance for a range of industrial processes and associated equipment and devices.

To contact us regarding your Hazardous Areas Compliance and Engineering solutions Enquiry, please fill in the contact form below and we will respond: