Techno-economical
Structural Designs

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Fixed and floating systems for upstream hydrocarbon and renewable energy

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Safety Intrinsic
Structural Solutions

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Advanced Structural
Analyses

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Structural Integrity
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Performance based
Seismic Design

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Emerging trends in
Offshore Structural Engineering

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Concept to Large Scale EPCI
Fast-track Projects

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Technical Expertise borne out
of Years of Experience

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Techno economical structural designs

Safety intrinsic structural solutions

Linear and complex non-linear structural analyses

Structural Integrity Management

Performance based seismic design

Emerging trends in offshore structural engineering

Concept to large scale EPCI fast-track projects

Technical expertise borne out of years of experience

About Raghu Mahadevappa

Double postgraduate with outstanding academic record, Chartered Engineer with over 18 years of professional experience in design and installation engineering of offshore structures within the upstream oil and gas, renewable energy industry. I have built a reputation as a leading expert in the industry, with extensive expertise and a proven track record in providing cost-effective structural solutions to clients. I had successfully delivered projects ranging from concept selection to full-scale EPCI projects compliant with International Codes of Practices and Standards for Quality, Health, Safety, and Environment requirements. Possess excellent interpersonal skills with the ability to integrate construction/installation aspects into engineering design resulting in intrinsically safe designs. Additionally, delivered structural scopes on fast-track projects across multiple geographical regions including the Middle East, South East Asia, West Africa and India.
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Education

Sep 2021 – Sep 2022

Master of Science: Offshore
Engineering- Distinction

University of Aberdeen – Aberdeen, UK
  • Dissertation: An efficient design of semi-submersible floater for wind turbines in Southern North Sea harsh environments.

    “A new wind turbine semisubmersible floating concept of significant hydrodynamic complexity and modelling was developed. This involved a very thorough hydrodynamic modelling and scaling effort to prove an efficient semi-submersible floater concept of the wind turbine would be feasible for deployment in harsh sea environments and applicable to the North Sea industry applications both in the Norwegian and the UK Continental Shelf. The research work resulted in establishing a benchmark of hydrodynamic analysis of such novel systems to be produced in the UK soon since the feasibility of the concept has been proven for supporting the next generation high power wind turbines to unlock stronger and consistent wind source in 50 to 100m deep waters of North Sea harsh environments. The role of TfI mooring components in cost-effective design of catenary mooring system is highlighted. TfI polymer mooring component was found effective in significantly reducing line tension and optimizing the mooring spread.”
Oct 2000 – May 2002

Master of Technology: Structural Engineering, Distinction

Visvesvaraya Technological University – Belagavi, INDIA
  • Dissertation: Neural network approach for design of RC columns subjected to biaxial moments

    “The determination of steel percentage in Reinforced Concrete (RC) columns subjected to biaxial bending moments required human eye readings of the non-dimensional uniaxial bending moment charts and combine their interaction using Bresler's curve. This had the potential for human errors in the RC column design. Under the supervision of Dr Rama Raju K, Chief Scientist (Retired), CSIR-Structural Engineering Research Centre, Chennai, India, I had developed ANN based design methodology for the design of RC columns subjected to axial load and biaxial moments. This was at the time when application of Artificial Intelligence (AI) to conventional engineering disciplines such as structural engineering was at a very early stage of development. The research work resulted in capturing 3D design space and development of AI application to accurately determine the percentage of steel in RC columns subjected to biaxial moments. The developed AI technique saved significant savings in steel cost for the building industry and eliminated the human errors in the design of RC columns.”
Aug 1994 – Oct 1998

Bachelor of Engineering: Civil Engineering, Distinction

University of Mysore – Mysore, INDIA
  • Stood 4th Rank in University
  • Gold Medalist in Transportation Engineering

Publications

  • K. Rama Raju and M. Raghu, “Neural network-based approach for design of RC columns subjected to biaxial moments”, All India Seminar on Use of Computers in Civil Engineering Projects., Feb, 23–24, 2002, Institution of Engineers (India), Tamil Nadu Chapter, Chennai.
  • K. Rama Raju and M. Raghu & S. Prasanth, “Neural network-based technique for preliminary design of reinforced concrete columns”, Journal of Structural Engineering, Vol. 34, No. 4, October-November 2007, pp. 297–305, Structural Engineering Research Centre, Chennai.
  • Raghu Mahadevappa, Dr. Antonios Karadimos, and Dr. Jacob Helm-Petersen, “An efficient design of semi-submersible floater for wind turbines in Southern North Sea, harsh environments, 2023 (to be published).

Affiliations

Chartered Engineer, Engineering Council UK Registration No. 649708

Experience

Principal Structural Engineer
Aug 2014 – Aug 2021

Principal Structural Engineer

McDermott International Inc., Dubai
Projects involved in:
  • QP North Field Alpha (NFA) and Umbilical’s EPCI project
  • BP Tortue Phase 1 EPCI Project
  • ADNOC NASR 100 MBD SELECT Project
  • ADNOC Umm Shaif Gas Cap Phase 1 FEED Competition Project
  • Accommodation Platform, ARAMCO Marjan EPCI Project
Achievements:
  • Optimized QP North Field Alpha (NFA) jacket that led McDermott to retain USD 4 million as in house business transactions. The jacket was optimised using a lift method instead of a launch method.
  • Advised technical recommendations to Aramco Company on “Offshore platform design implications for use of heavier vessels in Saudi Offshore Fields”. The recommendations shed light on conservatism inherent in the static design approach as compared to dynamic ship impact.
  • Appointed as the Global Subject Matter Expert (SME) on “earthquake engineering” in August 2020.
Lead Offshore Structural Engineer
Jan 2014 – Jul 2014

Lead Offshore Structural Engineer

MMC Oil & Gas Engineering Sdn Bhd, Kuala Lumpur
Projects involved in:
  • Murphy Sarawak Oil Company’s Wangsa minimal facility platform FEED Project
Achievements:
  • Substructure concept was qualified for the installation challenges in water depth 40m in South China Sea.
Structural Manager (Planning)
Mar 2012 – Dec 2013

Structural Manager (Planning)

Samsung Heavy Industries, New Delhi
Projects involved in:
  • ONGC Sagar Samrat Conversion (MODU to MOPU) EPCI Project
  • Topside modules M110 and M210, Jordbaer (Knarr) FPSO Topside EPCI Project
Achievements:
  • Kicked-off qualification record for the Indian subsidiary of Samsung Heavy Industries, to compete for the future fixed offshore platforms projects in domestic upstream oil and gas industry.
Senior Structural Engineer
Mar 2011 – Mar 2012

Senior Structural Engineer

Technip Energies, Doha
Projects involved in:
  • IS-34B Conductor Supported Minimal Facility Offshore Structure (COSMOS) EPCI Project
Achievements:
  • The novel concept of “pin-pile” at the center of IS-34B sub-structure facilitated the anchoring of the sub-structure prior to drilling conductor through corner 4 legs of the sub-structure., thus eliminating the necessity of drilling template, and the Company benefitted form an additional well (conductor).
Senior Structural Engineer
Dec 2006 – Aug 2010

Senior Structural Engineer

Worley, Doha
Projects involved in:
  • ZADCO Satah Full Field Development (SFFD) FEED Project
  • Al Shaheen Field Development Program 2005 of Maersk Oil Qatar (MOQ)
  • QP Halul Pipeline FEED Project for Produced Water Disposal
  • TOTAL Al-Jurf Phase 2 FEED Project
Achievements:
  • Received appreciation from Senior management of Ranhill WorleyParsons for a significant contribution made to SFFD FEED Project.
  • Received appreciation from Maersk Oil Qatar for demonstrating impressive technical talent within the discipline of structural engineering that resulted in life extension of existing offshore platforms without the need for significant capital expenditure (CAPEX).
Senior Engineer (Civil/Structural)
Feb 2006 – Oct 2006

Senior Engineer (Civil/Structural)

Mott MacDonald, Abu Dhabi
Projects involved in:
  • TAKREER Inter-Refinery Pipelines EPIC Project
  • ADMA Power System Upgrade FEED Project
  • ZADCO Satah Full Field Development Pre-FEED Project
Achievements:
  • Received appreciation from Senior management of Ranhill WorleyParsons for a significant contribution made to SFFD FEED Project.
  • Received appreciation from Maersk Oil Qatar for demonstrating impressive technical talent within the discipline of structural engineering that resulted in life extension of existing offshore platforms without the need for significant capital expenditure (CAPEX).
Assistant Engineer (Civil/Structural)
May 2002 – Jan 2006

Assistant Engineer (Civil/Structural)

Larsen & Toubro Ltd (formerly John Brown Technologies Ltd), Bangalore
Projects involved in:
  • ONGC 4 Well Platforms EPCI Project
  • ONGC N9 & N10 Well Platforms EPCI Project
  • Songo Songo Gas Development & Power Generation (Lot 1&2) EPCI Project
  • QP PS2/PS3 Living Quarters & Power Upgrade EPCI Project
  • British Gas PH, PJ & STD Well Platforms & Pipelines EPCI Project
  • ONGC MSP Platform Process Gas Compressor Module Engineering (T&I Contract)
Achievements:
  • In recognition of my performance, was regularized into permanent staff role within 6 months of joining the company

Area of Expertise

Conductor supported minimal facility platforms (COSMOS) | Topsides: wellheads, drilling, production, flare, minimal Facility, LQ | Living quarters – stressed skin design | Pre-assembled units | Offshore bridges | flare booms | helidecks | LRFD/WSD design of offshore jackets | Shallow, intermediate and deep | foundations |Pre-appraisal and requalification of existing platforms | Structural Integrity Management (SIM) | Risk-Based Inspection (RBI) planning | Reliability-based design format for jacket platforms | FPSO topside modules | Subsea protection structures | Semisubmersible and mooring system design for floating offshore wind turbines (FOWT) | Oil refinery and petrochemical plants

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