LOD explains how detailed, accurate, and build-ready your BIM model is at every stage. As the LOD increases, uncertainty drops—giving you clearer coordination, fewer RFIs, faster approvals, reduced rework, and a smoother, more predictable construction process.
Architectural Services – LOD 100 → Concept (Early Vision)
Meaning: High-level architectural intent without design commitment.
Includes: Conceptual building massing, basic form, height, orientation, and approximate spatial relationships without detailed elements or systems.
Outcome: Rapid feasibility studies, early zoning and massing validation, design direction clarity, and confident go/no-go decisions before detailed design investment.
Critical Insight: Early architectural clarity prevents costly rework and strategic misdirection.
Architectural Services – LOD 200 → Early Design (Schematic Design)
Meaning: Organized but still approximate architectural layouts.
Includes: Preliminary walls, floors, openings, core layouts, vertical circulation, and early coordination assumptions with structure and MEP systems.
Outcome: Clear design intent, realistic early cost alignment, improved stakeholder understanding, and reduced downstream design uncertainty.
Critical Insight: Most architectural misalignment is resolved at this stage.
Architectural Services – LOD 300 → Detailed Design (Accurate & Coordinated)
Meaning: A precise, measurable architectural model suitable for CDs.
Includes: Accurate dimensions, exact wall assemblies, door/window locations, floor levels, finishes intent, code-compliant layouts, and coordinated interfaces with structural and MEP systems.
Outcome: Fewer RFIs, smoother consultant coordination, reliable quantity take-offs, and predictable construction documentation.
Critical Insight: This stage eliminates the majority of architectural site conflicts.
Architectural Services – LOD 350/400 → Build-Ready (Construction Precision)
Meaning: Construction- and installation-ready architectural detail.
Includes: Detailed wall assemblies, thresholds, junctions, tolerances, penetrations, edge conditions, constructability logic, and sequencing clarity.
Outcome: Faster submittal approvals, minimal site errors, controlled execution, reduced change orders, and clearer contractor guidance.
Critical Insight: Converts design intent into build-ready architectural certainty.
Architectural Services – LOD 500 → As-Built (Verified Digital Twin)
Meaning: Final verified architectural representation of what is built.
Includes: Exact as-built dimensions, confirmed layouts, field modifications, finish records, and alignment with actual site conditions.
Outcome: Reliable facilities management, confident renovations, accurate space planning, and long-term asset documentation.
Critical Insight: Becomes the owner’s authoritative architectural record for decades.
This LOD framework ensures complete clarity, predictable coordination, and zero surprises across design, fabrication, and construction — giving every stakeholder the right information at the right time for faster decisions and smoother project delivery.
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