PGR Doherty-Bigara (Pat)
PGR Doherty-Bigara (Pat)
PGR Doherty-Bigara (Pat)
Professional Engineering Design &
Certification
Independent Certifications
& Approvals
Professional Engineering Design &
Certification
Mechanical & Structural Engineer specialising in Pressure equipment and structural sign-off.
Mechanical & Structural Engineer specialising in Pressure equipment and structural sign-off.
Chartered Professional Mechanical & Structural Engineer. Providing expert design, calculation, verification, and professional sign-off for hazardous equipment and complex structural systems.
Chartered Professional Mechanical & Structural Engineer. Providing expert design, calculation, verification, and professional sign-off for hazardous equipment and complex structural systems.
Pressure Equipment Certification
Mechanical Design Verification
Structural Sign-off
Independent Engineering Approvals
Compliance Reports (AS/NZS)
Pressure Equipment Certification
Mechanical Design Verification
Structural Sign-off
Independent Engineering Approvals
Compliance Reports (AS/NZS)
Pressure Equipment Certification
Mechanical Design Verification
Structural Sign-off
Independent Engineering Approvals
Compliance Reports (AS/NZS)
Mechanical $ Structural Engineer specialising in Pressure equipment and structural sign-off.
By Chartered Professional Mechanical and Structural engineer specialising in many areas such as Material Handling, Calculations, Machines Design, Computer-Aid Design, hazardous equipment’s cranes, pressure vessels etc. and sign-off.
About Pat
About Pat
Chartered Professional Mechanical & Structural Engineer with 25+ years’ experience across design, certification, and project management. Pat has held senior leadership roles and delivered major projects for power generation, mining, steel, and infrastructure industries. His expertise spans pressure equipment, structural design, compliance documentation, and quality assurance — providing clients with fast, reliable, and fully compliant certifications.
Bank account details National Bank - NAB
BSB: 084-391 Acc: 558971674
Send through your drawings, project details, or even a quick outline of the job.
Patrice will review and guide you on the exact steps needed for certification, approval, or compliance.
Bank account details National Bank - NAB
BSB: 084-391 Acc: 558971674
Send through your drawings, project details, or even a quick outline of the job.
Patrice will review and guide you on the exact steps needed for certification, approval, or compliance.
Bank account details National Bank - NAB
BSB: 084-391 Acc: 558971674
Send through your drawings, project details, or even a quick outline of the job.
Patrice will review and guide you on the exact steps needed for certification, approval, or compliance.
Bank account details National Bank - NAB
BSB: 084-391 Acc: 558971674
Send through your drawings, project details, or even a quick outline of the job.
Patrice will review and guide you on the exact steps needed for certification, approval, or compliance.
Independent engineer with decades of experience. Fast, clear certifications to keep your project moving
Independent engineer with decades of experience. Fast, clear certifications to keep your project moving
Independent engineer with decades of experience. Fast, clear certifications to keep your project moving
Qualifications
PhD in Structural Engineering (2020)
Master’s in Engineering Management – SCU (2017)
BEng Mechanical – VUT (1988)
Chartered Professional Engineer (CPEng, MIEAust, RPEQ 27808)
FIEAust, APEC Engineer, IntPE (Aus)
Qualifications
PhD in Structural Engineering (2020)
Master’s in Engineering Management – SCU (2017)
BEng Mechanical – VUT (1988)
Chartered Professional Engineer (CPEng, MIEAust, RPEQ 27808)
FIEAust, APEC Engineer, IntPE (Aus)
Qualifications
PhD in Structural Engineering (2020)
Master’s in Engineering Management – SCU (2017)
BEng Mechanical – VUT (1988)
Chartered Professional Engineer (CPEng, MIEAust, RPEQ 27808)
FIEAust, APEC Engineer, IntPE (Aus)
Experience
25+ years in Mechanical & Structural Engineering
Senior leadership roles in major engineering firms
BlueScope Steel: Reliability projects & plant extensions
Seven Group: Directed design team for global equipment releases
Eneraque: Delivered $2M–$100M turnkey projects + patents
Experience
25+ years in Mechanical & Structural Engineering
Senior leadership roles in major engineering firms
BlueScope Steel: Reliability projects & plant extensions
Seven Group: Directed design team for global equipment releases
Eneraque: Delivered $2M–$100M turnkey projects + patents
Experience
25+ years in Mechanical & Structural Engineering
Senior leadership roles in major engineering firms
BlueScope Steel: Reliability projects & plant extensions
Seven Group: Directed design team for global equipment releases
Eneraque: Delivered $2M–$100M turnkey projects + patents
Expertise
Pressure Equipment Certification & Compliance
Structural Sign-off & Mechanical Verification
CAD, SolidWorks & Finite Element Analysis (FEA)
ISO 9001, QA, HSE & Risk Management
Project Management (PMBOK) & Documentation
Expertise
Pressure Equipment Certification & Compliance
Structural Sign-off & Mechanical Verification
CAD, SolidWorks & Finite Element Analysis (FEA)
ISO 9001, QA, HSE & Risk Management
Project Management (PMBOK) & Documentation
Expertise
Pressure Equipment Certification & Compliance
Structural Sign-off & Mechanical Verification
CAD, SolidWorks & Finite Element Analysis (FEA)
ISO 9001, QA, HSE & Risk Management
Project Management (PMBOK) & Documentation