ENECA’s integrated BIM workflow for complex boiler house design project

ENECA’s latest design of a high-capacity boiler house (up to 99 Gcal/h) situated on a 62-hectare site in Atyrau, Kazakhstan. The complex includes the primary facility, a diesel fuel loading/unloading station, and a security checkpoint. The primary challenge was coordinating the arrangement of MEP (Mechanical, Electrical, and Plumbing) systems within the building while ensuring precise alignment with the overall site plan.

The primary goal is to deliver a fully coordinated design for a 99 Gcal/h high-capacity boiler house complex in Atyrau, ensuring 100% spatial alignment between complex internal MEP systems and the 62-hectare site infrastructure. By leveraging advanced BIM coordination to resolve inter-disciplinary clashes before the construction phase, the project aims to reduce field-based rework and associated costs. This integrated approach ensures the seamless operational flow between the primary facility and the diesel fuel loading station, ultimately shortening the overall project delivery timeline and enhancing capital efficiency for the client.

BIM Process

Architectural, structural, and engineering solutions were developed as 13 interconnected models within Autodesk Revit. We used connected files (Revit Links) workflow, ensuring real-time data consistency across all disciplines during the design phase. To maintain centralized quality control, a federated model was established in Autodesk Navisworks Manage. Federated model 

Coordination and Automation

1. To     systematically identify and resolve collisions, we automated     internal workflow within Navisworks. This solution consists of two     core components:

• Automated     Search Sets:     Categorizing elements across all linked models automatically.
• Clash     Matrix Generation:     Running checks based on a pre-configured matrix that defines     priority interactions between disciplines.

This methodology enabled regular, comprehensive model audits, allowing the team to resolve conflicts during the design stage rather than on the construction site.Example of automated search sets and clash reportsClash Matrix

Integration with master plan and external utilities

1. The     master plan, external sewerage, and complex automation systems     designs were developed in Autodesk     Civil 3D.     Ensuring the exact positioning of buildings and utility networks was     critical. To achieve this, coordinates and elevation marks     established in the Civil 3D master plan model, were transferred     directly into the Revit models. This integration facilitated:

• Precise placement of all objects in accordance with the master plan.
• Seamless alignment of utility networks entry and exit points.

• Elimination of errors in absolute elevation marks.

Civil 3D screenshots showing site grading and utility networks

The synergy of Autodesk Revit, Civil 3D, and Navisworks alongside internal workflow automation, allowed us to complete the detailed design phase with the following results:

• Coordination:     All significant interdisciplinary clashes were identified and     eliminated before documentation was issued for construction.

• Risk     reduction:     The probability of errors leading to costly rework or construction     downtime was minimized.

• Unified     information environment:     Data consistency was guaranteed between the 3D building models and     the site topography.

This methodology demonstrates an effective workflow for designing complex industrial facilities using the Autodesk ecosystem.Final model renders and detailed views

The successful delivery of the Atyrau boiler house demonstrates ENECA’s unique ability to manage high-complexity industrial projects with record speed and uncompromising quality. By leveraging an automated BIM ecosystem to unify 13 discipline-specific models with the site's master plan, company provided a "zero-clash" environment that significantly reduced the client’s capital risk and construction downtime.