
Debajyoti Barman
Assistant General Manager (Tender, Proposal & Cost Estimation)
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About
Accomplished Mechanical Engineer with an M.Tech (postgraduate) from IIT Chennai and 21 years of comprehensive experience in leading tender, proposal, bidding, and cost estimation processes for complex EPC and turnkey projects. Proven expertise in coal-based thermal power plants, bulk material handling, cooling towers, FGD, SCR/SNCR, green hydrogen plants, air pollution control, fire protection, HVAC, MEP, and detailed engineering design. Adept at driving business development and project execution across the power, chemical, and oil & gas industries, with a strong focus on delivering accurate and competitive cost estimates and winning proposals.
Experience
Assitant General Manager (Tender, Proposal & Cost Estimation) at ISGEC Heavy Engineering Limited (2024-08 – Present)
- Preparing tenders, proposals, and cost estimates for various Air Pollution Control Systems for Power/Oil & Gas/Refinery
- Preparing detailed cost estimates for Flue Gas Desulfurization (FGD) System, Selective Catalytic Reduction (SCR), Selective Non-Catalytic Reduction (SNCR), Green Hydrogen Plant
- Cost Estimation comprises detailed BOM/BOQ preparation from P&ID, Flow Diagram, Plot Plan, etc. for various equipment/item such as piping and its fittings, Metal Storage Tank, Silo, various bough out item such as circulation pumps, Sump Pump, Valves, Blower, Agitator, Air Conditioning System, Fire Fighting, etc.
- Continuously floating RFQs for techno-commercial offers from Vendors to update the price database
- Preparing Technical Proposal via given Technical Specification, PMS (Piping Material Specification), VMS (Valve Material Specification), etc.
Manager (Tender, Cost Estimation & Design) at Paharpur Cooling Towers Limited (2021-07 – 2024-08)
- Preparing tenders, proposals, and cost estimates for cooling tower packages for various Power/Oil & Gas/Refinery projects
- Scouting of new opportunities with current or prospective customers
- Technical review and evaluation of the vendor offer
- Executing detailed project work related to Cooling Towers and finalising various mechanical equipment like pumps, pipes, valves, chemical dosing system, side stream filtration, etc
- Preparing offers for the customers and floating the enquiry
Senior Manager (Tender, Cost Estimation & Design) at Energo Engineering Projects Limited (2018-03 – 2021-07)
- Preparing tenders, proposals, and cost estimates for various Power/Oil & Gas/Coal/Steel/Aluminum projects
- Turnkey Projects of Thermal Power Sector, Engineering & Construction/EPC/CHP/BOP base work
- Material Handling, Utility Systems of Coal/Aluminum Handling Plants, Bulk Material Handling, Smelter Plants, RMHS
- Working on the Pre-Qualification Requirements as mentioned in the Tender
- Preparing various system details cost estimation sheets for Techno-Commercial Offer for Thermal Power Plants/Raw Material Handling/Steel/Aluminum SMELTER Industries
- Selection of suitable Vendors, Vendor evaluations, preparation of the vendor database
- Flotation of enquiry, interaction with vendors, reviewing of scope and preparation of technical and commercial Proposal
- Detailed Mechanical Plant Design and Execution of Coal/Steel/Aluminum Handling Plants
- Various Utility Systems & Mechanical Maintenance of Coal-Fired Thermal Power Plant
Senior Design Engineer (Technology & Development) at Emirates Global Aluminium (EGA) (2016-06 – 2018-02)
- Mechanical Design & Project experience in Aluminium Smelter Reduction Technology for complete new as well as further improvement of existing technology
- Preparing various design spreadsheet calculations related to reduction pot lines
- Project cost estimation of various mechanical equipment related to reduction pot line & other aluminium smelter areas
- Working experience on various processes, operation & maintenance related to reduction pot line
- Material handling working experience on smelter green carbon anode plant, rodding shop, fresh alumina handling, butt recycling, crush bath handling, ALF3 /Al2O3 handling, etc
- Mechanical design & cost estimation experience on dust filter, dry scrubber & GTC/FTP design
- Working knowledge of pot bath chemistry, aluminium production and overall pot cut-out & cut-in, pot bath up, preheat
- Working knowledge on Dense Phase System & Air Slide related to Al2O3 & ALF 3 handling system
- Actively participating in floating enquiries for various equipment related to the pot line and performing techno-commercial negotiations with suppliers
- Preparing vendor database & project price estimation and price database
- Conversant with Alumina Pechiney (AP), EIL, Brochot, Rio-Tinto-Alcan etc. Plant Design Technical Specification
Deputy Manager (Tender, Cost Estimation & Design) at McNally Bharat Engineering Co. Limited (2009-10 – 2016-05)
- Designed mechanical/utility systems for aluminium smelters, coal handling, BOP, and green anode plant.
- Prepared design analyses, technical proposals, cost estimates and project monitoring for ventilation, AC, dust systems, and piping
- Designed water, compressed air, HVAC, and tunnel ventilation systems; managed ducting and layout designs
- Implemented air pollution and fire protection designs per ACGIH, TAC, NFPA; selected control and suppression equipment
- Finalised coal flow diagrams and layout plans with detailed calculations
- Authored design-basis reports and technical specifications; coordinated with vendors and major EPCs
- Detail design of plant systems like Service Water, Cooling Water, Potable Water, Sump Pump and Feed Water, Compressed Air, Service Air System, Plant HVAC, Air Pollution Control, Dust Suppression, Dust Extraction, Industrial Ventilation System, Duct/Piping Layout/Size Calculation, Fire Protection-Hydrant/MVWS/HVWS/Spay System/Fire Extinguisher etc.
- Conversant with COAL INDIA LTD., EIL, FITCHNER, DCPL, NTPC, MECON, DESEIN, TCE Consulting, etc
- Plant Design Technical Engineering Specification
Mechanical Engineer (Static/Rotating) at Foster Wheeler India Pvt. Ltd. (2006-05 – 2009-10)
- Executed Static Equipment Design (Vessels, tanks, etc.) using PV Elite & CodeCalc, performing detailed engineering manual calculations as per ASME/API/BS Codes. Prepared General Arrangement (GA) drawings, part marking, and Material Take-Off (MTO), coordinating all mechanical engineering activities
- Contributed to new product development (R&D Design) of Pressure Vessels, Heat Exchangers, and Storage Tanks, performing various design methods, preparing Material Take-Offs, defining fabrication codes, and conducting related Excel calculations for pressure vessels and piping.
Education
Master of Technology (M.TECH) [2 Years Course] in Mechanical Engg. (Machine Design) – Indian Institute of Technology (I.I.T), Chennai (2006)
Bachelor of Technology (B.TECH) [4 Years Course] in Mechanical Engineering – Kalyani Government Engineering College (KGEC) (2004)
12th Standard (Higher Secondary) in Science (Physics, Chemistry, Mathe, Biology etc) – Jenkins School (1999)
10th Standard (Secondary) in General (Physical Sci., Mathe, Biology, English etc) – Pramanik High School (1997)

