Hazardous Area Electrical Engineering Solutions

 

Specialist EEHA Engineering for Hazardous Areas

Inlex provides specialist electrical engineering solutions for hazardous areas and explosive atmospheres, helping operators manage risk, maintain compliance, and ensure safe operation across high-risk facilities.

With deep expertise in Electrical Equipment in Hazardous Areas (EEHA) and extensive experience across industries including oil & gas, mining, hydrogen, petrochemical, and defence, we deliver practical engineering solutions aligned with IECEx and AS/NZS (IEC) 60079 standards.

From hazardous area classification through to compliance documentation and explosion protection design, Inlex supports the full lifecycle of hazardous area assets.

 

Engineering Solutions for Explosive Atmospheres

Managing hazardous areas requires more than equipment selection alone. Effective explosion protection depends on:

• Correct hazardous area classification
• Appropriate equipment selection
• Compliance with IECEx and Australian standards
• Ongoing asset and change management

Our engineering team helps clients reduce ignition risk while maintaining operational efficiency and regulatory compliance.

 

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Hazardous Area Classification (HAC)

Defining Hazardous Zones Correctly

Hazardous Area Classification (HAC) is fundamental to managing explosive atmospheres safely.

In accordance with:

• AS/NZS (IEC) 60079-10.1
• AS/NZS (IEC) 60079-10.2

HAC identifies areas where flammable gases, vapours, or combustible dusts may be present and classifies them based on the likelihood and duration of an explosive atmosphere occurring.

Our HAC Services Include:

• Hazardous area classification studies
• Hazardous zone drawings and reports
• Equipment Protection Level (EPL) assessments
• Review of existing hazardous area classifications
• Support during plant modifications and brownfield changes

Our engineers provide clear, defensible classification documentation that supports safe design and compliant equipment selection.

 

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Hazardous Area Management Plans (HAMP)

Structured Management of Hazardous Areas

A Hazardous Area Management Plan (HAMP) provides the framework for maintaining compliance and safety across the full asset lifecycle.

Inlex develops tailored HAMPs that integrate:

• Hazardous area classification
• Equipment management
• Inspection and maintenance requirements
• Competency management
• Documentation control
• Change management procedures

 

Benefits of a HAMP

• Improve hazardous area compliance
• Clearly define responsibilities and processes
• Reduce operational and regulatory risk
• Support long-term asset integrity
• Maintain consistent management of explosive atmospheres

All plans are aligned with:

• AS/NZS (IEC) 60079 standards
• IECEx principles and best practice

 

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Conformity Assessment Documents (CADs)

Assessing Non-Certified or Foreign-Certified Equipment

Where IECEx or ANZEx-certified equipment is unavailable, operators may need to assess alternative equipment for use in hazardous areas.

In accordance with AS/NZS (IEC) 60079-14, Inlex prepares Conformity Assessment Documents (CADs) to evaluate:

• ATEX-certified equipment
• UKCA-certified equipment
• NEC / UL / FM equipment
• Other foreign-certified or non-certified equipment

Our CAD Services Help You:

• Demonstrate equivalent levels of safety
• Resolve compliance gaps
• Avoid unnecessary equipment replacement
• Safely utilise imported or legacy equipment
• Maintain compliance with Australian standards

Our engineers provide clear recommendations and defensible technical assessments to support compliance and operational continuity.

 

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Explosion Protection & Hazardous Area Design

Engineering Safer Hazardous Area Systems

Inlex provides specialist design support to ensure explosion protection principles are integrated into hazardous area electrical systems from the outset.

Our Design Services Include:

• Explosion protection design reviews
• Equipment selection and Statements of Opinion (SoOs)
• Intrinsically safe entity calculations
• Simple apparatus assessments
• Heat dissipation and temperature class assessments
• Support for bespoke or non-standard solutions

We work collaboratively with operators, EPCs, and project teams to deliver solutions that are:

• Safe
• Practical
• Cost-effective
• Fully compliant with IECEx and AS/NZS requirements

 

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Supporting the Full Asset Lifecycle

Our engineering solutions support hazardous area assets throughout:

• Design and construction
• Commissioning and start-up
• Operations and maintenance
• Brownfield modifications
• Compliance remediation and upgrades

Helping clients maintain safe and reliable operation over the long term.

 

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Benefits of Working with Inlex

• Reduce ignition risk in hazardous areas
• Improve compliance with IECEx and AS/NZS standards
• Access specialist EEHA engineering expertise
• Support safe plant design and operation
• Resolve complex compliance challenges
• Maintain long-term operational integrity

 

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Why Inlex?

• Specialist EEHA and hazardous area engineering team
• Deep understanding of IECEx-aligned engineering practices
• Practical, site-focused solutions
• Proven experience across complex and high-risk industries
• Strong capability across engineering, inspection, maintenance, and compliance

 

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Engineering Solutions for Safer Hazardous Areas

If your facility operates in explosive atmospheres, ensuring hazardous area systems are designed and managed correctly is critical.

Contact Inlex to learn how our hazardous area engineering solutions can help improve safety, maintain compliance, and reduce operational risk.