Offshore Structural Design (Oil & Gas)

Afcons Infrastructure Limited is an Indian multinational construction and engineering company based in Mumbai. The company provides infrastructure services and is involved in the construction of infrastructure projects such as viaducts, flyovers, metros, bridges, pipelines, roads, ports, barrages, oil and gas projects etc.

Roles and Responsibilities 01

Design Review of Offshore Structures 

• Detailed design and drawing review of Offshore structures

Pre-tender Document Review

• Understand the material requirements, design procedures & assumptions, constraints. Prepare and finalize design basis report.


• Prepare conceptual designs


• Review pre-tender documents, attend kick off meeting, understand client’s requirements, attend discussion with Team Leader about addition, omission, or deletion form scope of service.


• Information affecting design, discuss with Team Leader and follow instructions accordingly.


• Prepare design delivery schedule and agree with Team Leader.


• Organize, draft, review and coordinate technical documents.


• Ensures that designs are constructable, safe and economical, satisfy contract requirements, law of land, statutory provisions, if required advice modifications, additional calculations.

Roles and Responsibilities 02

Design Anaylysis

• Finalize the designs developed for Offshore structures such as jackets, topside, modules, bridges, skids, various types of offshore structural designs.


• Be a part of the offshore design team on offshore feasibility, basic engineering, and detailed engineering.


• Co-ordination with and handling queries from client, design sub-contractor and consultant. etc.


• Prepare scope of work, man hour and cost estimation for proposal.


• Provide engineering input, review and approve 2D drawing and 3D models prepared by drafting team/other stake holders.


• Should have knowledge and experience of preparing structural design basics, structural design specification, construction and installation work procedure and cost estimation.


• Should have experience in performing in service analyses like in-place analysis, seismic analysis, fatigue analysis, dynamic analysis etc.


• Should have experience in performing preservice analyses like lift analysis, loadout analysis, transportation analysis, launching analysis, floatation and upending analysis etc. 

Roles and Responsibilities 03

Design Methodology

• Develop and carrying out construction stage design checks. Prepare the construction sequence to be adopted during construction in discussion with Team leader and Planning team.


• Participate in discussion for possible options/ methodology for installing offshore structures. Finalize the scheme with team leaders.


• Preparation and review of submittals such as method statements,


• Take responsibility of all design issues and ensure successful delivery of the projects.


• Direct the activities of the department members working with other departments to ensure alignment on priorities.

Roles and Responsibilities 04

Preliminary Design and Analysis

• Prepare preliminary design based on Detailed Project Report/ Information available from clients.   Ensure feasibility, constructability, and viability of the structures in terms of cost, time. Prepare Bill of Quantities.


• Develop preliminary structural framing plan and sizing of structural members.


• Manage design submission for approval according to the schedule finalized. 


• Ensure design review is completed prior to the construction process commencing.

Design Submission and Review of Design for Approval/ Monitor Work Progress

• Prepare design and issuance of GFC documents for construction.

Employee Engagement

• Co-ordination with and handling queries from clients, sub-contractors, and other stake holders.


• Design Review and Optimization of design prepared by JV partners/ designs sub-contractor to achieve cost effectiveness.

Key Objective of the Job Position

• To ensure that the Engineering department is fully engaged in supporting Structural safety and occupational safety programs.


• Perform Structural Design of Offshore structures such as Jacket, Topside & Bridges etc. using software like SACS etc.


• Examine and approve design orders, evaluating changes, and drawing releases; collaborating with operations on design and packaging specification; and creating front end packages designed to control project expenses. 


• Evaluate vendor bids, produce services and equipment bid requirements, and generate material RFQs /procurement recommendations. Devise methods to reduce costs.


• Review T & I Engineering and/or propose structural design based on Installation requirements


• Design Installation Aids / padeyes, etc.


• Assist Manager/Senior Manager in generating structural deliverable, schedule & client/Sub Contractor interface.


• Liaise with client and MWS etc. for approval of structural documents

Education Qualifications

Educational Essential: B.E in Civil Engineering or equivalent from a reputed Institute/University

Educational Desirable: M.E in Civil/Structural/Ocean Engineering/ or equivalent from a reputed Institute/University.

Computer Software Proficiency

Should be specialized in International Codes and Standards like ASME, BS/PD 5500, API, ANSI, ISO NFPA, ASTM, AWS, AISC, ISA etc.

Should be familiar with software like HYSYS, PIPESIM, TLNET, TGNET, FLARENET, OLGA etc.

Experience Range

Minimum 3 to 10 Years of experience in Structural Design Professional in Projects involving Offshore Platform.

Work Environment

• Requires the ability to travel to client sites. Ability to work overtime as needed based on project.


• Mostly Office work and occasional Field travel