IMCE Interface Risk Toolkit™ – First Edition

Identify critical technical interfaces before they become construction risks.

Complex infrastructure projects rarely fail because engineers do not understand their individual systems. The real challenges often arise where systems, disciplines, responsibilities and decisions meet.

The IMCE Interface Risk Toolkit™ is designed to help planning engineers and technical coordinators bring those critical interfaces into a structured, traceable workflow—particularly in TGA/MEP and complex infrastructure projects.

Instead of leaving an interface at a broad level such as:

HVAC ↔ Electrical

the toolkit helps you define the actual technical relationship:

System → Subsystem → Subsystem → AKS / Asset → Interface → Requirement → Evidence → Responsibility → Validation → Closure

For example:

AHU-01 → Electrical Distribution DB-03 → Feeder F17

This makes it easier to identify what must be clarified, who is responsible, what evidence is required and when an unresolved interface could become a risk to construction or commissioning.

What the Toolkit Helps You Do

✓ Structure complex technical systems and interfaces

✓ Define systems, subsystems and assets using your project identification logic, including AKS where applicable

✓ Identify cross-disciplinary technical dependencies

✓ Make hidden interface requirements visible earlier

✓ Track responsibilities across planning, owner, validation and construction teams

✓ Document technical requirements and required evidence

✓ Identify unresolved interfaces and potential risks

✓ Consider timing, construction dependencies and possible delay strategies

✓ Track interface status from identification to validation and closure

✓ Use a dynamic overview to focus attention on unresolved and critical items

✓ Navigate relevant technical reference areas while verifying project-specific applicability

More Than a Checklist

The IMCE Interface Risk Toolkit™ is not intended to replace engineering design, BIM, calculations, applicable standards or professional judgment.

It is designed to provide something different:

A structured way to ask the right coordination questions before missing answers become project problems.

It is based on the coordination principles behind the Integrated Modular Coordination Engine (IMCE), developed by Montaser Arar and explored in the publication Beyond Tools: The Coordination Gap in Complex Infrastructure Projects.

Read the IMCE publication on Zenodo



The underlying idea is simple:

Better tools alone do not guarantee better coordination.

Complex projects also need clarity around:

What must be coordinated.

Where the interface exists.

Who owns the decision.

What evidence is required.

When action is needed.

And when the interface can genuinely be considered closed.

Who Is It For?

The toolkit is designed for:

• TGA / MEP Planning Engineers
• Mechanical, Electrical and Building Services Engineers
• Technical Coordinators
• Interface Managers
• Systems Engineers
• BIM and Design Coordination Professionals
• Project Engineers and Project Managers
• Infrastructure Project Teams

Start Making Complexity Visible

You cannot manage every technical risk before it appears.

But you can create a more structured process for identifying critical interfaces, unclear responsibilities and missing technical requirements earlier.

The IMCE Interface Risk Toolkit™ helps turn complex relationships into a traceable coordination workflow:

Identify → Structure → Assign → Verify → Validate → Close

Because the most expensive interface problem is often the one nobody clearly identified in time.

First Edition — Developed by Eng. Montaser Arar