Rupak B.

PIPING & MECHANICAL DESIGN ENGINEER | CAD & ENGINEERING TOOLS DEVELOPER
20+ Years of Industrial & International Experience

I provide end-to-end Piping & Mechanical Design Engineering services and develop engineering calculation tools and CAD automation solutions for industrial and EPC projects worldwide, combining practical field experience with structured engineering methods and automation-driven engineering efficiency.
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🔹 Core Services

1. PIPING & MECHANICAL DESIGN ENGINEERING
Process & Basic Engineering:
PFD & P&ID Development • Fluid / Mass Balance Tables • Pipe Sizing & Hydraulic Calculations • Piping Class & PSM • Equipment Selection & Datasheets • Preliminary Plant Layout • Site Plan with TOP
Detailed Engineering & Design:
Line List • Valve Schedule • Instrument List • Piping & Equipment Layouts • Pipe Routing • Pipe Support Design • Insulation & Heat Tracing Design • Detailed Drawings • Bill of Materials (BOM)
3D Modeling & CAD Engineering:
Piping Isometrics • Plant & Piping 3D Modeling • Machinery & Equipment 3D Modeling • CAD Drafting & Engineering Drawings
Engineering Analysis:
Fluid & Piping System Analysis • Hydraulic System Design • Mechanical Equipment & Machinery Analysis
Technical Documentation:
Engineering Standards & Specifications • Operation & Maintenance Manuals • Technical Reports • Engineering Guides & Tutorials
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2. ENGINEERING TOOLS & CAD AUTOMATION
Engineering Calculation Tools:
Pipe Bend & Dent Strain Analysis Tools • Pipeline Corrosion & ERF Assessment Tools • Custom Engineering Calculation Applications
CAD Automation & Custom Utilities:
On-Screen Auto Highlighter for Drawings & Schematics • Column / Post Base Plate Drawing Automation • AutoCAD Automation • Custom CAD Utilities
Engineering Software Development:
Advanced Excel Engineering Tools • AutoLISP • Python • C# Engineering Applications
📌 A dynamic list of developed tools and projects is available in my Services and Portfolio.
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🔹 Professional Summary
Design Engineer with 20+ years of experience in piping and mechanical systems across:
Steel Plants • Power Plants • Chemical Plants • Oil & Gas • Industrial Process Facilities
Extensive exposure to systems involving:
Water • Air • Gas • Steam • Acid • Fume • Hydraulic • Grease • Oil • Melting & Casting Processes
Successfully served German, Austrian, Italian, and Japanese multinational companies, along with global freelance clients across America, Europe, Australia, and Asia.
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🔹 Project & Industry Experience
• 12+ major industrial projects completed (Basic Engineering to BOM & Manufacturing Support)
• Full-cycle exposure: Concept → Basic Engineering → Detail Engineering → Documentation
• Strong application of international standards: ANSI • DIN • ISO • JIS • IS
Industry sectors:
• Melt Shops & Furnaces
• Bloom, Billet & Slab Casters
• Hot Strip Mills
• Bar & Wire Rod Mills
• Sheet Processing Lines
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🔹 International Exposure
• Deputed to Italy (four assignments – average 3 months each) for piping and equipment basic design engineering
• Three-month technical training in Germany covering international engineering standards and advanced CAD practices
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🔹 Clients & Companies Served
Major Industrial Organizations:
SMS SIEMAG • Siemens VAI • Danieli • Steel Plantech • Siemens • Dunlop • NALCO • CESC • IFB
Consultants & EPC Companies:
Uniseven • Quotient Engineering • Stewarts & Lloyds • Otto • ICI
Additionally served international clients across America, Europe, Australia, and Asia through freelance platforms.
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🔹 Academic Qualifications
• Postgraduate Diploma – Piping Design & Engineering
• Diploma – Mechanical Engineering
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🔹 Technical Skills
Design & CAD:
2D Drafting • 3D Modeling • Solid Modeling • Isometric Drawings • Exploded Views
Simulation & Engineering Analysis:
CFD • FEA • Thermal Analysis • Multiphysics Support
Programming & Engineering Automation:
AutoLISP • Python • C# • Engineering Tool Development • CAD Customization
Tools & Platforms:
AutoCAD • AutoCAD Plant 3D • Fusion 360 • EPANET • OpenModelica
MS Office • Visio • Adobe Acrobat • Windows • DOS • Linux
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🔹 Core Expertise
Piping Systems • Fluid Systems • Hydraulic Design • Process Engineering • Mechanical Systems • CAD Automation • Engineering Calculations • Technical Documentation • Project Engineering
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📌 Additional Information
For detailed project examples, completed jobs, and specialized engineering tools, please refer to my Services and Portfolio.
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