Neilsoft offers a full range of multi-disciplinary engineering consultancy services for construction of new plants or revamping/scaling-up of existing plants or plant modifications. We support our clients to realize their core strategic expectations from the plant project, improve their competitiveness, minimize project risks, and help reduce project completion times, hence reducing the overall project cost.

Our team is equipped with a good understanding of various codes & standards, software platforms, and technologies to support clients in delivering projects across different locations in India, Middle East, Asia Pacific, USA, and Europe.

Industries addressed:

  • Chemicals
  • Food & Beverages
  • Pharmaceutical / Life Sciences
  • Paper & Pulp
  • Refinery / Petrochemicals
  • Oil & Gas
  • Water
  • Power

Overview of our offerings:


  • Process Design Basis
  • Process Flow Diagrams (PFDs)
  • Process & Instrumentation Diagrams (P&IDs)
  • Process Data Sheets
  • Utility Summary
  • Equipment List
  • Control Logic Philosophy

Major packages: Absorption scrubbers, Incinerators, Water treatment systems, Effluent treatment plants etc.

Piping & Fire Protection:

  • Plot plans
  • Equipment layout
  • 3D modeling / 2D detailing of equipments
  • Piping Isometrics, Layouts & Specifications
  • Piping MTOs
  • Stress analysis
  • Design of Fire protection system

Layouts: Sprinkler system, Fire detection equipments etc.


  • Mechanical Design Basis
  • Enquiry specifications & datasheets
  • Design calculations & drawings for vessels
  • Technical Bid Analysis
  • Vendor Document Review

Typical equipments: Pressure vessels, Pumps, Compressors, Cooling Towers, Process Chillers, Boiler Package, Storage Tanks etc.

Instrumentation & Control:

  • Control Logic
  • Instrument index
  • Instrument sizing, specifications & Data sheets
  • Control System specifications
  • Technical Bid Analysis
  • Cable Layouts & BOQ
  • Hook-up & Loop Diagrams
  • Vendor Document Review
  • Factory Acceptance Test

Typical elements: Pressure Transmitters, Temperature elements, Flow Transmitters, Level Gauges & Transmitters, Control & On-Off valves, Orifice plates, DCS / PLCs, Instrumentation cables etc.


  • Preliminary Single Line Diagram (SLD)
  • Load Flow calculation & Short circuit analysis
  • Electrical Load List
  • Cable Layouts & BOQ
  • Sub-station layout plans
  • Equipment sizing & specifications
  • Technical Bid Analysis
  • Vendor Document Review

Typical equipment: Substation Equipments, HT & LT Transformers, HT & LT Switchgears, HT & LT Motors, PMCC & AC DBs, UPS etc.

Industrial Architecture:

  • Overall Layout plans
  • Architectural Plans, Elevations, Sections & Sketches
  • Layouts for Non-plant area & buildings
  • Control System specifications
  • Schedules - Doors/Windows, Flooring, Color scheme, Finishes
  • Plumbing & Sanitary Layout drawings
  • Statutory approval drawings
  • Tender specs & recommendation
  • As-built drawings

Typical elements: Process buildings, Substations, Boiler house, Warehouses, Utilities, Road networks, Non-Plant buildings etc.


  • Civil / Structural Design Basis
  • Statutory documents for approval
  • Preparation of Tenders & Evaluation
  • Detailed drawings for RCC and Steel structures
  • Foundation design & drawings
  • Design & drawings - Roads, Culverts, Trenches, Storm water drains etc.
  • Detailed Fabrication drawings (Steel)

Typical structures: Process buildings, Generator buildings, Utility blocks, Warehouses, Substations, Control Rooms, Non-Plant buildings etc.


  • Heat Load calculations
  • Air Flow diagrams
  • Enquiry specifications
  • Ducting layout drawings
  • Technical Bid Analysis
  • Vendor Document Review

Typical equipments: Chillers, AHUs, Air Washers, De Humidifiers, VRV systems & VAV boxes, Split ACs, Precision ACs (PACs) etc.

Project Planning

Depending on the client’s requirements and project needs, we can undertake to act as the Owner’s representative or operate as your EPCM consultant ensuring success of the overall project on your behalf.

Neilsoft's expertise in project management starts after feasibility studies i.e. from site selection, extended basic engineering till commissioning assistance. We leverage in-house design & engineering expertise and co-ordinate with various disciplines like Civil, structural, architectural, process, plant engineering, utilities etc.

Our services include

  • Extended Basic Engineering
  • Budget Cost Estimation
  • Detail Engineering
  • Technical support for statutory approvals
  • Procurement Assistance
  • Vendor monitoring & expediting
  • Construction Supervision
  • Assistance in installation & commissioning

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Plant Design