01 JOB PURPOSE
To prepare accurate engineering drawings, equipment layouts, fabrication drawings, assembly drawings, and Bills of Materials (BOM) for Shailvac Engineers. The position will also be responsible for supporting equipment costing, material estimation, weight calculations, technical documentation, and coordination with the Purchase, Production, Project, and Proposal/Costing teams to ensure accuracy, cost efficiency, and timely completion of assigned tasks.
The objective is to ensure that all drawings and engineering deliverables are technically accurate, commercially viable, fabrication-ready, and released within the project timelines.
02 KEY ROLES AND RESPONSIBILITIES
A. AutoCAD Drafting and Engineering Design
■ Prepare 2D drawings using AutoCAD for water treatment, wastewater treatment, and Zero Liquid Discharge (ZLD) systems.
■ Develop General Arrangement (GA) drawings, equipment layouts, fabrication drawings, assembly drawings, and detailed manufacturing drawings.
■ Prepare equipment drawings for MVR/MVRE systems, Multiple Effect Evaporators (MEE), ETP, ZLD, and other process equipment.
■ Prepare detailed drawings of evaporators, calendrias, heat exchangers, condensers, tanks, vessels, piping assemblies, structural supports, and associated equipment, as applicable.
■ Develop plant layouts showing equipment positioning, piping routes, access clearances, maintenance space, and equipment orientation.
■ Prepare piping isometric drawings, piping layouts, nozzle orientation details, and equipment connection drawings based on approved engineering inputs.
■ Incorporate dimensions, tolerances, material specifications, welding details, machining requirements, and fabrication notes in manufacturing drawings.
■ Read and interpret P&IDs, process flow diagrams (PFDs), equipment datasheets, design calculations, and engineering specifications.
■ Revise drawings based on engineering feedback, client requirements, site conditions, and design changes.
■ Maintain drawing numbering, revision control, approval status, and document traceability.
■ Ensure drawings are released only after the required internal checks and approvals.
B. Equipment Design and Manufacturing Support
■ Understand the construction and working arrangement of equipment used in MVR/MVRE, MEE, ETP, and ZLD plants.
■ Prepare fabrication-ready drawings for equipment manufactured in-house or through external vendors.
■ Develop component drawings for shells, plates, coils, tubes, tube sheets, supports, flanges, nozzles, structural members, and other equipment components, as applicable.
■ Prepare cutting layouts and material details to support fabrication and minimize material wastage.
■ Calculate dimensions, surface areas, material thickness requirements, component quantities, and estimated weights based on approved design inputs.
■ Coordinate with design engineers for equipment sizing, pressure/temperature requirements, MOC selection, and design calculations.
■ Ensure that manufacturing drawings reflect the approved material of construction (MOC), such as Plates, carbon steel, duplex steel, or other specified materials.
■ Coordinate with production and fabrication teams to resolve drawing-related manufacturing issues.
■ Review fabrication feasibility and identify design features that may increase manufacturing time, material consumption, or cost.
■ Support vendor manufacturing by preparing and issuing approved drawings and technical details.
C. Bill of Materials (BOM) Preparation and Management
■ Prepare detailed BOMs for equipment, subassemblies, and complete manufacturing packages.
■ Develop equipment-wise and project-wise BOMs covering raw materials, plates, pipes, tubes, coils, flanges, fittings, structural items, fasteners, bought-out items, and other components.
■ Mention material grade, specification, dimensions, thickness, length, width, quantity, unit of measurement, estimated weight, and drawing reference wherever applicable.
■ Prepare item-wise material take-offs (MTOs) from approved drawings and engineering specifications.
■ Develop a structured parent-equipment and subassembly BOM to identify all components required to manufacture a complete equipment package.
■ Ensure correct component quantities and avoid duplicate, missing, or excess material entries.
■ Maintain separate identification for standard components, manufactured components, and bought-out components.
■ Coordinate with Purchase to identify vendor-supplied materials and commercially available components.
■ Revise BOMs whenever approved engineering changes affect quantities, specifications, or material consumption.
■ Maintain revision-wise BOM records and ensure that Purchase and Production work with the latest approved version.
■ Reconcile estimated material quantities with actual material consumption wherever data is available.
D. Costing and Material Estimation
■ Prepare preliminary and detailed equipment material cost estimates using approved drawings, BOMs, material quantities, and standard material rates.
■ Calculate estimated material weight for plates, pipes, tubes, coils, structural sections, and other fabricated components using appropriate dimensions and material density.
■ Calculate raw material costs based on applicable MOC, grade, thickness, dimensions, weight, and approved purchase rates.
■ Support costing of manufactured equipment and subassemblies, including components manufactured in-house and components procured from external vendors.
■ Prepare equipment-wise and subassembly-wise costing sheets.
■ Include material costs and relevant bought-out item costs in the estimate, while coordinating with the costing team for fabrication, machining, welding, finishing, testing, and other applicable cost elements.
■ Support the calculation of material wastage, cutting allowances, fabrication allowances, and machining allowances based on approved costing practices.
■ Compare estimated material consumption against actual consumption and highlight significant deviations.
■ Assist in preparing landed cost estimates by incorporating relevant procurement and logistics inputs provided by the Purchase/Costing team.
■ Support the Proposal/Commercial team by providing equipment cost inputs for quotations and techno-commercial proposals.
■ Identify opportunities to reduce cost through material optimization, standardization, common components, and improved fabrication methods without compromising technical requirements.
■ Maintain a standard component and material-rate reference in coordination with the Purchase and Costing teams.
■ Ensure that costing calculations are traceable to the relevant drawing revision, BOM, material rate, and estimation assumptions.
E. Excel-Based Engineering and Costing
■ Prepare and maintain Excel-based BOMs, material estimation sheets, weight calculators, and equipment costing sheets.
■ Use Excel formulas, lookup functions, conditional calculations, data validation, and structured tables to automate calculations and reduce manual errors.
■ Maintain master data for material specifications, standard dimensions, material density, unit rates, and standard components as approved by the company.
■ Develop equipment-wise costing templates that automatically calculate quantities, estimated weights, material costs, and totals.
■ Link parent equipment with subassemblies and their respective components to enable consolidated material and cost roll-ups.
■ Update estimates when dimensions, material thickness, length, width, MOC, quantity, or standard rates change.
■ Maintain clear distinctions between estimated rates, actual purchase rates, and approved standard rates.
■ Ensure that calculations are checked and validated before submission to the relevant department.
F. Coordination with Purchase, Production and Projects
■ Coordinate with the Purchase team for material specifications, availability, standard sizes, vendor quotations, and bought-out components.
■ Provide accurate MTOs and BOMs to support material requisitions and purchase planning.
■ Coordinate with Production for fabrication feasibility, drawing interpretation, cutting plans, component identification, and assembly requirements.
■ Coordinate with the Project team to understand project-specific requirements, site dimensions, installation clearances, and execution constraints.
■ Work with the Proposal/Costing team to provide timely engineering inputs for new enquiries and quotations.
■ Coordinate with process and mechanical design engineers to resolve discrepancies between P&IDs, equipment datasheets, GA drawings, and fabrication drawings.
■ Respond to technical queries from internal departments and vendors.
■ Support site teams by providing revised drawings, dimensional clarifications, and approved as-built drawings when required.
■ Ensure that engineering deliverables are aligned with the project schedule and procurement milestones.
G. Quality Control and Documentation
■ Verify drawing dimensions, units, material specifications, component quantities, and revision details before release.
■ Follow the company's drawing approval, document control, and engineering change management procedures.
■ Ensure consistency between drawings, BOMs, MTOs, costing sheets, and material requisitions.
■ Maintain an organized database of drawings, equipment models, BOMs, and costing references.
■ Support preparation of manufacturing drawings and quality documentation required for inspection and testing.
■ Incorporate approved design changes and maintain a record of revisions.
■ Ensure that all deliverables comply with applicable project specifications and approved engineering standards.
■ Escalate discrepancies, missing inputs, and technical uncertainties before issuing drawings or finalizing estimates.
03 KEY DELIVERABLES
01 General Arrangement (GA) drawings and equipment layouts.
06 Equipment-wise raw material and bought-out item costing sheets.
02 Detailed fabrication and assembly drawings.
07 Excel-based estimation and costing tools.
03 Equipment-wise and project-wise BOMs.
08 Drawing registers and revision-controlled documentation.
04 Material Take-Off (MTO) sheets.
09 Purchase and production material requirement inputs.
05 Component dimensions, quantity and weight calculations.
10 As-built drawings and engineering change records, where applicable.
04 REQUIRED TECHNICAL SKILLS
■ Strong working knowledge of AutoCAD 2D drafting.
■ Ability to interpret P&IDs, PFDs, GA drawings, fabrication drawings, and mechanical equipment datasheets.
■ Understanding of equipment fabrication, welding, machining, piping, sheet metal, and structural components.
■ Knowledge of BOM preparation, MTOs, material estimation, and weight calculations.
■ Working knowledge of material grades and material of construction used in water and wastewater treatment equipment.
■ Understanding of MVR/MVRE, MEE, ETP, and ZLD plant equipment is preferred.
■ Proficiency in Microsoft Excel for costing, estimation, calculations, and data management.
■ Ability to prepare manufacturing drawings that can be understood and executed by the fabrication team.
■ Knowledge of drawing revision control and engineering documentation.
■ Familiarity with 3D CAD tools such as SolidWorks, Inventor, or similar software is an advantage.
■ Familiarity with ERP-based BOMs, procurement systems, or manufacturing costing software is an advantage.
05 EDUCATIONAL QUALIFICATIONS
■ Diploma or Bachelor's degree in Mechanical Engineering, Production Engineering, or a relevant engineering discipline.
■ Relevant technical qualifications may be considered based on practical drafting and manufacturing experience.
06 EXPERIENCE REQUIRED
■ Preferred experience: 5+ years in mechanical drafting, equipment manufacturing, fabrication, engineering.
■ Experience in water treatment, wastewater treatment, process equipment, evaporation systems, or industrial manufacturing is preferred.
■ Candidates with practical experience in BOM preparation, MTOs, equipment costing, and manufacturing coordination will be given preference.
■ Freshers with strong AutoCAD skills may be considered for a junior role, provided they receive suitable training in BOM preparation and costing.
07 KEY PERFORMANCE INDICATORS (KPIS)
Drawing and Engineering Performance
■ Percentage of drawings submitted within the agreed timeline.
■ First-time drawing approval rate.
■ Number of drawing errors and revisions attributable to drafting inaccuracies.
■ Accuracy and completeness of fabrication drawings.
■ Timely incorporation of approved design changes.
BOM and Material Estimation Performance
■ BOM accuracy and completeness.
■ Variance between estimated and actual material quantities, after accounting for approved scope changes and wastage.
■ Accuracy of component quantity and weight calculations.
■ Timely release of BOMs and MTOs for procurement and production.
■ Number of material shortages or excess purchases attributable to BOM errors.
Costing Performance
■ Accuracy of equipment material cost estimates against actual costs, adjusted for rate changes and scope variations.
■ Timeliness of costing inputs for proposals and internal approvals.
■ Accuracy of material-rate and MOC selection.
■ Number of costing errors attributable to incorrect quantities, dimensions, or specifications.
■ Contribution to material optimization and cost reduction.
Coordination and Documentation
■ Timely response to internal technical queries.
■ Compliance with drawing and document revision procedures.
■ Timely updates to Excel costing tools, BOMs, and drawing registers.
■ Coordination effectiveness with Design, Purchase, Production, Projects, and Proposal teams.
08 KEY COMPETENCIES
Strong attention to detail.
Analytical and numerical ability.
Practical understanding of manufacturing processes.
Cost-conscious engineering approach.
Planning and time management.
Problem-solving and coordination skills.
Ability to manage multiple drawings and project deadlines.
Ownership of assigned deliverables.
Willingness to learn process equipment and evaporation technologies.
Pay: ₹70,000.00 - ₹90,000.00 per month
Work Location: In person
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