RAJAN GAJJAR
Aix-en-Provence, France
Summary
Mechanical Engineer with a Master's Degree in Mechanical Design, having over 10 years of experience in design, piping, contract management, project management, system design, product development, complex modeling, assembly, and drawing creation with GD&T using ASME Y 14.5, material properties, manufacturing/machine shop processes, welding AWS D1.1 (American Welding Society), hardware and component choice, manufacturing, installation, and dimensioning and tolerances. 4+ years of experience in the Nuclear Fusion Reactor at ITER, France, as a Mechanical Engineer performing various engineering tasks, project delivery, and equipment procurement. Project leader for mechanical system design, development, and design integration in complex projects. Certification and expertise in CAD software (Siemens NX, CATIA, CREO) and PLM (Siemens Teamcenter, Enovia, Windchill). Experience in pipe stress analysis, pipe support structural analysis, weld qualification using AWS D1.1 (American Welding Society), isometric and pipe support drawing, complex assembly, and drawing BOM and documentation needed for the fabrication and installation of nuclear piping systems and supports. Preparation of 3D models, 2D drawings, and diagrams in the design and development of new products.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Mechanical Engineer
ITER Organization
Aix-en-Provence
04.2021 - Current
- Creating an interface sheet that has requirements, responsibilities, and technical data concerning the interfaces between Cooling water system and it's clients, starting from markup P&ID, layout fixing, completing the pipe and support analysis, clash resolution, production of 3D models, construction drawings, and bill of materials (BoMs) to be issued for construction, such as piping isometrics, GA drawings, support drawings, and pipe and fittings bill of materials, with the following provided schedule and timeline.
- Preparing the technical specification and Statement of Work (SOW) for the Thermomechanical and Flange, TCWS filters procurement contract.
- Responsible for in-line component (flanges, blind flanges, orifice plate, paddle spacer, gasket) procurement contract of 2M euros, which includes responsibilities such as preparing technical specifications, bid evaluation, engineering qualification, project schedule, project documentation, regular follow-up, query resolution, quality control, FAT, material readiness review (MRR), manufacturing, and delivery.
- Collaborated with cross-functional teams to enhance design specifications and requirements.
- Developed internal processes and plans for mechanical verification, product development, and factory processes.
- Performing pipe stress analysis in CAESAR II for the Tokamak cooling water system, which comprises 40 km of the primary cooling loop and over 20 km of double-contained piping, will be the first primary cooling system of a nuclear station that is also a heating (baking) system, as well as a drying system (through nitrogen blowing).
- Piping stress analysis models range in size from 15 DN to 550 DN and temperature from 50 degrees Celsius to 600 degrees Celsius, having critical equipment such as boilers, turbines, pumps, compressors, condensers, heat exchangers, pressurizers, heaters, tanks, cyclone separators, and condensers, running in confined buildings or open spaces.
- Performed/reviewed various piping stress analyses: deadweight, flexibility, seismic (static and dynamic response spectrum), wind, pressure safety valve, steam/water hammer (static, time history), modal, rupture postulation, and slug.
- Performed and reviewed piping support engineering, including support qualification, support drawings, bid evaluation, and vendor drawing review/interaction of critical supports, such as springs, struts, snubbers, rod hangers, and saddles/shoes.
- Prepared and reviewed the piping design stress design basis report, piping stress and support reports, material specifications, piping layouts, piping isometrics, and piping bills of material.
- Performed various piping design calculations, such as pipe sizing, pipe wall thickness, pressure drop, reinforcement, insulation thickness, shear lug, trunnion, and flange leakage.
- Coordinating with construction teams for change management on EWP, raised FCR (Field Change Request), NCR, and DR.
- Reviewing fabrication drawings for equipment, e.g., Condensers, heat exchangers, pressurizers, heaters, tanks, cyclone separators, and condensers, etc.
- Proficient knowledge of international codes and standards, such as ASME Section III NB, NC, ND, NF, ASME B31.1, B31.3, B16 Series, B36 Series, AWS D1.1 (American Welding Society), ASME Section II Part D, Section VIII, API, EN 1591-1, and EN 1591.
- Oversaw equipment installation and testing to ensure compliance with safety standards.
Senior Engineer
L&T Technology Services Ltd
Vadodara
02.2018 - 03.2021
- Leading project team of 10 engineers and involved in the project planning & scheduling as per the engineering work packages (EWP).
- Providing solutions and design improvement proposals related to problems and complaints in engines W46, W46F, W50DF.
- Responsible for system design and development for large and complex component.
- Welding structures Weld qualification with AWS_D_1-1 (American Welding Society) for crankcase cover, End cover, Insulation Box, Fuel System Lube oil System, Engine Block and participate in system design review process using Seimens NX and creating drawing with GD&T.
- Piping routing for the high pressure double wall fuel pipes, high pressure hydraulic pipes, cooling & lubrication pipes and heating pipes.
- Calculating estimation, possible line of action, maintaining quality check list for the task.
- Skilled in component design, piping, structural design, sheet metal, harness routing, casting, machining, and welded structures using Siemens NX and Teamcenter.
- Managed large projects, ensuring deadlines and quality.
- Knowledgeable in ASME, ISO, and DIN codes.
- Worked on casting, machining, sheet-metal, welded, and bent pipes.
- Deputed at L&T Technology Services Ltd
- Recreating 3D models & drawings with using standalone drawings for various engine components, which are affected during data migration activity from I-deas to Team center.
- Providing Design Support for Engine arrangement assemblies - Performing BOM changes For Different Applications.
- Designing new Engine arrangement & their components using UG-NX 9 software Formulation of 3D Assembly layouts & detailed components drawing.
- Final level quality checking of whole data containing assemblies, drawings, Metadata, BOM in Team center & I-deas.
- Synchronous modeling and conventional modeling of Cutter Part and Machining of Engine Blocks and recreation of their respective drawings for WÄRTSILÄ as per the company standards.
- Controlling of the project deliveries by conducting peer reviews with checklist to meet the standards and on-time delivery with error-free.
- Having good knowledge on ASME, ISO and EN standards for handling projects from global customers.
- Performing Pipe stress analysis, Pipe Support structural analysis, creating piping isometric and pipe support drawing, BOM and documentation needed for fabrication and installation of nuclear piping systems and supports Provide cost effective solution for qualification issue for Piping, Pipe support, valves and flange.
- Creating 3D models and manufacturing drawing for Forged sleeves and GA drawings.
- Create clash report for the systems.
- Review Pipe stress analysis and pipe support structure report with GTstudal and CAESARII to verify with hand calculation in the report.
- Creating 3D modeling of Engine components using ACF structures, maintain Weld assemblies, Machined Parts.
- Final level quality checking of whole data containing assemblies, drawings, Metadata, BOM in Team center & I-deas.
- Best practices & knowledge sharing with team.
- Support Project with necessary engineering changes involving part improvements with respect to customers need.
- Understand the requirement and plan the work accordingly, ensuring on time delivery with maximum quality and optimized efficiency.
- Preparing production layout Design modification and Project Coordination Discussing the project related information & validating the design before giving for manufacturing.
- Layout preparation, part design, DFA, DFM for new machine projects.
- Formulation of 3D Assembly layouts & detailed component drawings for improvement in machine Performance.
- Provide complete working drawings when project is released from Engineering to Production.
- Generating the manufacturing process, considering all the allowances to be given Ensuring that all engineering work is carried out in accordance with specifications, statutory requirements, laws, rules, regulations and other contractual requirements With due regards to safety.
- Resolving Assembly line issues Good exposure to manufacturing methods, tolerance and surface finish specifications.
Engineer
IDC Technologies Ltd.
Vadodara
11.2015 - 01.2018
- Deputed at L&T Technology Services Ltd, recreating 3D models and drawings using standalone drawings for various engine components that are affected during the data migration activity from I-deas to Teamcenter.
- Providing design support for engine arrangement assemblies, and performing BOM changes for different applications. Designing new engine arrangements and their components using UG-NX 9 software, and formulating 3D assembly layouts and detailed component drawings.
- Final level quality checking of the whole data containing assemblies, drawings, metadata, and BOM in Teamcenter and I-deas.
- Synchronous modeling and conventional modeling of cutter parts and machining of engine blocks, and recreation of their respective drawings for WÄRTSILÄ, as per the company standards.
- Controlling the project deliveries by conducting peer reviews with a checklist to meet the standards and ensure on-time delivery with error-free results.
Having good knowledge of ASME, ISO, and EN standards for handling projects from global customers.
Engineer
IDC Technologies
Vadodara
08.2014 - 10.2015
- Performing pipe stress analysis, pipe support structural analysis, creating piping isometric and pipe support drawings, BOM, and documentation needed for the fabrication and installation of nuclear piping systems and supports, and providing cost-effective solutions for qualification issues for piping, pipe supports, valves, and flanges.
- Providing design support for engine arrangement assemblies, performing BOM changes for different applications.
- Creating 3D models and manufacturing drawings for forged sleeves and GA drawings.
- Create a clash report for the systems.
- Review the pipe stress analysis and pipe support structure report with GTStrudl and CAESAR II to verify it with hand calculations in the report.
- Creating 3D modeling of engine components using ACF structures, maintaining weld assemblies, and machined parts.
- Final level quality checking of the whole data containing assemblies, drawings, metadata, and BOM in Teamcenter and I-deas.
- Best practices and knowledge sharing with the team.
Support the project with necessary engineering changes involving part improvements with respect to customers' needs. - Understand the requirement and plan the work accordingly, ensuring on-time delivery with maximum quality and optimized efficiency.
Intern Engineer
CADMACH MACHINERY LTD
Ahmadabad
06.2013 - 07.2014
- Preparing production layout, design modification, and project coordination; discussing the project-related information and validating the design before giving it for manufacturing.
- Layout preparation, part design, DFA, and DFM for new machine projects. Formulation of 3D assembly layouts and detailed component drawings for improvement in machine performance.
- Provide complete working drawings when the project is released from Engineering to Production, generating the manufacturing process, considering all the allowances to be given.
- Ensure that all engineering work is carried out in accordance with specifications, statutory requirements, laws, rules, regulations, and other contractual requirements, with due regard to safety.
- Resolving Assembly line issues Good exposure to manufacturing methods, tolerance and
surface finish specifications.
Education
M. TECH - DESIGN ENGINEERING
BIRLA INSTITUTE OF TECHNOLOGY and SCIENCE
Hydrabad08.2023
B.Tech - Production Engineering
GUJARAT TECHNOLOGICAL UNIVERSITY
BHAVANAGAR, GUJARAT08.2013
Skills
- 3D components and assemblies
- 2D drawings
- PIPING
- Project management
- Contract Management
- Weld notation (AWS_D_11)
- Stress analysis
- Cost estimation
- Engineering calculations
- Engineering drawings
- Design for manufacturing
- Structural analysis
- Facilities management
- Design optimization
- Finite element analysis
- CAESAR II - Expert
- GT STRUDAL - Fluent
- UG NX - Expert
- CRE O - Fluent
- ANSYS - Competent
- AWS D 11
- ASME B 313
- EN 15911
- GD&T (ASME Y 145)
Languages
- English, Bilingual or Proficient (C2)
- French, Beginner (A1)
Certification
- Pressure Equipment and Nuclear Pressure Equipment (PE/NPE) Manufacturer's Representative Training as SQEP From ITER
Languages
Hindi
First Language
English
Proficient (C2)
C2
French
Beginner
A1
Personal Information
Title: Senior Mechanical Engineer
Timeline
Mechanical Engineer
ITER Organization
04.2021 - Current
Senior Engineer
L&T Technology Services Ltd
02.2018 - 03.2021
Engineer
IDC Technologies Ltd.
11.2015 - 01.2018
Engineer
IDC Technologies
08.2014 - 10.2015
Intern Engineer
CADMACH MACHINERY LTD
06.2013 - 07.2014
M. TECH - DESIGN ENGINEERING
BIRLA INSTITUTE OF TECHNOLOGY and SCIENCE
B.Tech - Production Engineering
GUJARAT TECHNOLOGICAL UNIVERSITY