Greenfield Projects

Securing ICSS and SCADA System Design from Day One

For new industrial facilities, the design of ICSS and SCADA systems is a critical success factor that directly impacts long-term operational performance, reliability, and safety.

Our engineering teams help clients:

• Optimize industrial system integration from the earliest project phases

• Reduce SCADA and ICSS integration risks through a structured engineering approach

• Improve automation system reliability by applying rigorous engineering standards and validation processes (FAT / IFAT)

• Anticipate future maintenance and scalability requirements to maximize asset lifecycle performance

The result: a reliable, secure, and high-performing automation system from startup.

Brownfield Projects

Modernizing and Optimizing Existing Industrial Systems

As industrial facilities age, modernization becomes essential to maintain operational efficiency, system reliability, and cybersecurity.

We support our clients by helping them:

• Minimize production downtime and operational risks during upgrade projects

• Manage SCADA and ICSS obsolescence through secure migration strategies

• Improve plant performance by optimizing automation and control system architectures

• Strengthen technical documentation and I/O databases, ensuring accurate and reliable operational data

The result: a controlled modernization process with minimal impact on production continuity.

Industrial Automation Expertise Focused on Performance

At PARIFEX, we combine technical expertise and industry best practices to help clients successfully deliver greenfield developments and brownfield upgrades.

Our multidisciplinary approach includes:

• ICSS and SCADA Engineering

• Industrial Risk Management

• Operational Performance Optimization

• System Reliability and Cybersecurity

• FAT, IFAT, Commissioning and Startup Support

By combining automation expertise with a deep understanding of industrial operations, we help our clients reduce project risks, improve system performance, and maximize the long-term value of their assets.

Industrial Functional Analysis: The Key Document for Securing Your Industrial Automation Projects

In industrial projects, misalignment between process requirements, engineering design, and control system implementation can quickly lead to delays, additional costs, and challenges during testing and commissioning.

To mitigate these risks, one document plays a critical role: the Industrial Functional Analysis (FA).

Often viewed as a standard engineering deliverable, the Functional Analysis is actually a powerful project risk-management tool. When developed correctly, it provides a clear and shared understanding of how the plant is designed to function, ensuring alignment between the client, engineering teams, automation contractors, and future operators.

A Single Source of Truth for Project Requirements

Throughout an industrial project, numerous engineering documents are produced, including P&IDs, Control Philosophies, Cause & Effect Matrices, HAZOP studies, SIL assessments, and vendor documentation. One of the major challenges is ensuring consistency across all these sources of information.

The Functional Analysis addresses this challenge by consolidating and synthesizing all project inputs into a single document. It clearly describes the expected behavior of process units, utility systems, equipment packages, and their interfaces with the Integrated Control and Safety System (ICSS).

This means having a reliable and comprehensive reference document that reduces ambiguity and facilitates project management from engineering through commissioning.

Reducing Risks Before They Become Costly Problems

A well-prepared FA helps identify inconsistencies and gaps during engineering rather than during Factory Acceptance Testing (FAT) or commissioning, where corrective actions are significantly more expensive and time-consuming.

By investing in a high-quality document, project stakeholders can reduce technical risks, minimize rework, and avoid costly late-stage modifications.

The Foundation of Successful Factory Acceptance Tests

One of the most tangible benefits is its role during Factory Acceptance Testing (FAT). The FA serves as the master document used to verify that the automation system has been implemented according to project requirements. Control loops, sequences, interlocks, and operating scenarios are all validated against the Functional Analysis.

When the document is complete, accurate, and consistent, FAT activities are streamlined and punch-list items are significantly reduced. Conversely, incomplete or inconsistent documentation often leads to repeated cross-checks, misunderstandings, and delays in system validation. It also contributes directly to shorter testing phases and smoother project execution.

What Makes a Good Functional Analysis?

An effective Functional Analysis does more than simply compile information from various engineering documents.

It must accurately reflect the design intent, clearly describe interactions with the control system, and provide sufficient detail to support programming, testing, operator training, and future plant operations.

In contrast, discrepancies between the Functional Analysis and source documents such as P&IDs, Cause & Effect Matrices, or Control Philosophies can lead to programming errors, testing delays, and costly project disruptions.

The quality directly impacts the quality of the final automation system.

Why Outsourcing?

Developing a Functional Analysis requires expertise in process engineering, industrial automation, safety systems, and operational requirements.

By partnering with experienced specialists, project owners and EPC contractors can ensure the delivery of a consistent, accurate, and fully traceable document that supports every stage of the project lifecycle.

Our teams provide comprehensive Functional Analysis services, from reviewing engineering inputs and vendor documentation to producing complete and client-compliant deliverables.

The objective is simple: provide a solid foundation for automation development, Factory Acceptance Testing, commissioning, and long-term plant operation while reducing project risks, controlling costs, and improving overall project performance.

Centralizing Data to Ensure Reliable Information Across the Organization

Centralizing data ensures that information is reliable, shared, and consistent across all teams, while enabling more efficient collaboration. In AVEVA Engineering, each object, whether a pump, valve, or instrument, has a single, continuously updated version. This eliminates duplicates and inconsistencies, which are a major source of errors in complex projects.

All project data is consolidated into a single database accessible to all disciplines, improving coordination across teams. At the same time, object attributes remain consistent and synchronized, even when multiple teams are working in parallel. This real-time synchronization reduces discrepancies and supports more reliable decision-making.

Ultimately, data centralization provides significant time savings. Teams no longer need to search for, compare, or correct scattered information—they can rely on a single source of data, improving efficiency and overall productivity.

Challenges to Address and Pitfalls to Avoid

Migrating existing databases to AVEVA Engineering presents several challenges, often linked to the diversity of data sources and varying data quality. Information typically comes from tools such as Excel, Access, or legacy systems, with very different levels of structure. As a result, data may be incomplete, inconsistent, or duplicated, and naming conventions often differ between teams. In addition, objects are not always structured consistently or aligned with the AVEVA Engineering data model, making integration more complex.

To avoid common pitfalls, it is critical not to import data “as is” without proper cleansing or to mix different versions of the same file. Working in silos should also be avoided, as it reduces overall consistency. Ensuring compatibility with the target data model is essential, as is adopting a phased migration approach. Attempting to import all data at once without prior testing significantly increases the risk of failure.

A Clear and Robust Data Structure

A well-defined data structure is essential for effective data management. Involving all disciplines in its definition is a key success factor, as it ensures alignment and adoption across teams. Structuring data in AVEVA Engineering requires a clear and shared organization from the outset, typically based on a logical hierarchy such as sites, units, systems, and equipment.

Each object should be defined through a single data sheet containing its key information, ensuring consistency and avoiding duplication. Simple and standardized naming conventions should be applied across all teams to maintain clarity and consistency.

In addition, the use of controlled value lists helps reduce unnecessary variations and improves overall data quality. Proper documentation of the structure is equally important to ensure that all users follow the same rules and best practices.

Ensuring a Secure Single Source of Data

Ensuring a reliable “single source of data” requires strong data governance. Each object must be assigned a unique and persistent identifier that does not change over time, preventing ambiguity and duplication. Data security also relies on clearly defined access rights, ensuring that only authorized users can modify specific information based on their role.

To minimize risks, direct deletions should be avoided. Instead, elements should be marked as “obsolete” to preserve historical data while preventing data loss. In addition, full traceability is essential to track who made changes, when, and why.

Finally, implementing a structured validation process ensures that all modifications are reviewed and approved before being applied, reinforcing data reliability and integrity.

A Clean and Sustainable Database

Maintaining a clean and sustainable database requires ongoing effort and structured governance. Data should be regularly reviewed and updated to reflect changes in the client’s assets, such as modifications, retrofits, or decommissioning activities. This ensures that information remains accurate and relevant over time.

Consistency in naming conventions is essential to maintain clarity and avoid deviations. Training teams also plays a key role in promoting best practices and reducing data entry errors.

Finally, regularly removing obsolete or unnecessary data helps prevent database clutter and maintain performance. Assigning discipline-specific data owners to validate sensitive changes further strengthens control and ensures long-term data quality.