BIM Modeling and Management

Early clash detection, reliable quantities, and clear decisions across every discipline -- before anything reaches site.

Why BIM Matters

Without coordination, risk builds invisibly. Each discipline designs alone, clashes reach site undetected, and quantities drift from what is actually drawn.

  • Beams hit ducts because structural and MEP were never checked against each other
  • Quantities estimated from 2D drawings drift from the design and distort procurement
  • RFIs accumulate because conflicts visible in the model were never reviewed
  • Owners sign off on drawings they cannot read, then request changes during construction

What We Deliver

Cross-Discipline Coordination

  • Architecture, structure, and MEP in one federated model
  • Clashes detected and tracked before drawings are issued
  • Cross-discipline consistency enforced at every model update
  • Constructability checked against the coordinated geometry

Quantity Control

  • Quantities measured from the model, not estimated from drawings
  • BOQs tied to the current model state, updated when the design changes

Drawing Production

  • Sheets and views configured to project standards at setup
  • Annotation and detailing generated from the model
  • Drawings stay coordinated because they share one source
  • LOD compliance tracked per discipline

Schedule and Cost Data

  • Each element carries schedule and cost data for 4D/5D use
  • Exports ready for Navisworks, Synchro, and Excel workflows
  • IFC and COBie deliverables for downstream systems
  • Structured metadata for facility management from day one

BIM Management

Without governance, models degrade into unreliable geometry. BIM Management keeps naming consistent, reviews on schedule, and deliverables in the format that coordination, costing, and handover actually require.

  • BEP and CDE setup so every team works from the same standards and the same data environment.
  • Review cycles and clash resolution run on a fixed schedule. Issues are tracked, not discovered later.
  • Modeling standards (naming, classification, LOD/LOI) enforced consistently across all disciplines.
  • Information deliverables (COBie, asset data) prepared for FM handover in the required formats.
  • Progress monitoring via dashboards that flag risks, schedule shifts, and cost implications early.

Canopy Framework

Upstream Intervention

Every problem has a cost curve. Cheapest on paper, expensive on site, catastrophic after handover. This principle drives how we schedule reviews, flag clashes, and structure every coordination decision.

“Catch it on paper, not on site.”

Learn more about our approach

How Teams Coordinate

Every model change is tracked. Every clash is logged and assigned. Reviews run on a fixed cycle, not when someone remembers to ask.

  • Cloud-hosted models with version-controlled access
  • Clashes reviewed and assigned resolution owners weekly
  • Coordination reports issued with marked-up model screenshots
  • Review sessions scheduled to your time zone

Selected Case Study

Federated modeling through verified digital handover on an active project.

Case Study

Advanced BIM Implementation & Digital Twin Strategy

Owner-side BIM coordination for a 500,000+ sqm convention and office complex across architecture, structure, and MEP.

BIM ManagementDigital Twin5D Cost ControlComplex GeometryMEP Coordination
Exterior visualization derived from the coordinated BIM model
Exterior visualization generated from the federated BIM model, reflecting coordinated geometry and façade systems.

BIM coordination across architecture, structure, and MEP was fragmented across disciplines. A federated model structure was imposed, centralizing clash resolution, quantity verification, and documentation outputs. Model information was aligned across disciplines.

Executive Summary

A 600,000+ sqm convention and office complex required BIM coordination across architecture, structure, and MEP. The project lacked a consistent coordination structure, leading to unresolved clashes, inconsistent model outputs, and delays. A federated model structure was introduced to align disciplines. Clash resolution, quantity verification, and documentation outputs were standardized, improving coordination reliability.

Project Snapshot

Client
Dhanarak Asset Development Co., Ltd.
Location
Bangkok, Thailand
Site Area
Over 600,000 sqm
Contract Value
Over USD 570 million
Duration
30 months (design through construction documentation)
Services Delivered
BIM Management, 3D / 4D / 5D Modeling, Clash Detection, Digital Twin Data Preparation, BIM Execution Plan (BEP)

The Challenge

The context, constraints, and risks shaping the project from the start.

The project required coordination of architecture, structure, and dense MEP systems within constrained ceiling spaces under an aggressive delivery schedule. This created a high risk of clashes and rework.

Complexity

  • Curved façade and structural geometry
  • High-density MEP systems within limited ceiling space
  • Tight construction phasing with limited tolerance for rework
  • Large stakeholder group requiring consistent information

What Was at Stake

Without coordinated models and verified quantity data, the project faced schedule delays, cost overruns exceeding 10% of the MEP package, and operational inefficiencies.

How Chenla Stepped In

The targeted actions we took to resolve the core issues.

A federated BIM coordination structure was imposed, positioning the coordinated model as the reference.

Key Actions

  • Defined BIM Execution Plan (BEP) for coordination across disciplines
  • Enforced LOD, naming, and classification standards
  • Structured weekly clash-resolution cycles to close coordination issues before documentation
  • Centralized model-based quantity extraction for cost verification
  • Structured model data for facility management handover

Framework in Action

The Canopy Framework™ principles most active on this project.

The coordination principles later formalized into internal methods can be seen here. Over 500 critical clashes were identified and resolved before construction. The federated model aligned architecture, structure, and MEP through coordination cycles.

Upstream Intervention

Catch it on paper, not on site.

Coordination as the System

Shape the terrain so the right path is the easy path.

Learn more about the Canopy Framework →

Solution Highlights

What Chenla delivered to address the project's challenges.

Federated Coordination Model

Architecture, structure, and MEP were integrated into a single coordinated model.

3D Cost Integration

Model elements were linked to quantity data for verification.

Constructability-Ready Outputs

Coordinated drawings and documentation were generated from the model.

Digital Model Handover

The as-built model was structured for facility management.

Outcomes

What changed for the client as a direct result of our intervention.

Operational Results

  • Over 500 critical clashes resolved before construction
  • Reduced rework from coordination conflicts
  • Reduced RFI volume by approximately 35%
  • Shortened coordination cycles

Client Benefits

  • Lower construction risk
  • Improved cost predictability
  • Structured documentation for operations
  • Verified model available for post-handover use

PROJECT DOCUMENTATION & OUTPUTS

BIM cross-section showing coordinated structural and building systems

Federated BIM Coordination

Coordinated model of architecture, structure, and MEP.

BIM view of coordinated MEP systems below slab level

MEP Coordination Below Slab

MEP coordinated beneath the main structure.

Axonometric BIM model prepared for handover

Digital Model

Model structured for quantity take-off and facility management.

Related Insights

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