Early Phase Engineering
Design Basis
The basic engineering services offered by Rosnik consist of core documentation of projects, including process flow diagrams, heat & mass balances, piping and instrumentation diagrams (P&IDs), control & operational philosophy, basic equipment sizing, equipment specifications, conceptual equipment layout, etc. The work will be completed at our high efficiency center in India, result in substantial cost savings.
Our design basis development covers
- Final heat & material balances
- Process flow-sheets
- Definition and preliminary sizing of main equipment
- Preliminary Piping and Instrument Diagrams
- Utility consumption figures
- Analysis and sizing of Safety Valve
- Control valve hydraulics & process specification
- Preliminary plot plan
Rosnik’s FEED packages
Design Specification Mechanical data sheets
P & IDs Piping, instrument, electrical and civil works layouts. Preliminary HAZOP if required
Early procurement packages, Plot Plan, List of codes and standards applicable to the project
Appropriation Estimates
P & IDs Piping, instrument, electrical and civil works layouts. Preliminary HAZOP if required
Early procurement packages, Plot Plan, List of codes and standards applicable to the project
Appropriation Estimates
FEATURED CASE STUDY
Delivering a $10M FEL-2 Basic Engineering Package for $65K — On Schedule, in 10 Weeks
Project Overview
| Client | Major U.S. Gulf Coast Petrochemical Producer |
| Industry | Petrochemical — Polyethylene Production |
| Project Type | Brownfield Expansion — Slurry Chrome Catalyst Injection System |
| CAPEX Range | Approx. US$10 Million (Total Installed Cost) |
| Scope | FEL-2 / Basic Engineering — Design Basis Development |
| Duration | 10 Weeks |
| Rosnik's Role | Delivered the complete FEL-2/basic engineering package covering process, civil, electrical, instrumentation, and cost estimating. |
“We are delighted to announce the successful scale-up of our compatibilizer production, from our pilot plant. This milestone marks a significant step in our commitment to delivering high-performance diblock copolymer solutions at a commercial scale.”
FREQUENTLY ASKED QUESTIONS
Early Phase Engineering, also known as Front-End Engineering Design (FEED), is the stage where project requirements are converted into a technically defined engineering package before detailed engineering begins. A well-executed FEED helps improve cost estimate accuracy, define project scope, identify technical risks early, and prepare projects for successful procurement and construction.
A typical FEED package includes:
- Process Flow Diagrams (PFDs)
- Preliminary Piping & Instrumentation Diagrams (P&IDs)
- Heat & Material Balances
- Equipment Data Sheets
- Equipment Lists
- Plot Plans
- Utility Requirements
- Line Lists
- Preliminary Equipment Specifications
- Project Schedule
- CAPEX Cost Estimate
- Procurement Input Documents
These deliverables provide the technical foundation for Detailed Engineering and EPC execution.
FEED Engineering identifies technical issues before procurement and construction begin. By defining project scope, validating process design, and producing reliable engineering deliverables, organisations can:
- Reduce engineering rework
- Improve cost estimate accuracy
- Minimise scope changes
- Support faster procurement
- Reduce construction delays
- Improve overall project execution
FEED focuses on defining what will be built by developing the project’s engineering basis, preliminary design, cost estimate, and execution strategy.
Detailed Engineering focuses on how it will be built by producing construction-ready drawings, specifications, and procurement documentation.
A strong FEED package significantly improves the quality and efficiency of Detailed Engineering.
One of the primary objectives of FEED Engineering is to develop a realistic capital cost estimate that supports investment decisions. The level of accuracy depends on project maturity and available data, but FEED generally provides a significantly more reliable estimate than conceptual engineering, giving stakeholders greater confidence before moving into procurement and construction.
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