2026년 6월 20일 토요일

BIM for Modular Construction: Repeatability, Tolerance, and Site Assembly

Modular construction BIM must coordinate factory production, transport, lifting, site assembly, tolerances, services, connections, and repeated module quality. The model becomes a link between design, manufacturing, logistics, and construction.

Why This Matters

In modular projects, repeated errors are expensive. If one service connection, bracket, tolerance, or module boundary is wrong, the same issue can appear across many units.

Practical Guidance

Module Boundary: Define exact module dimensions, connection zones, lifting points, transport limits, and installation tolerances.

Service Interfaces: Coordinate plumbing, HVAC, electrical, fire protection, controls, and drainage connections at module boundaries.

Factory vs Site Work: The model should show which work is completed in factory and which work is completed on site. Ambiguity creates installation delays.

Assembly Sequence: Use BIM to review lifting order, temporary supports, access, weather protection, and connection inspection points.

Checklist

  • Model module boundaries, lifting points, and tolerance zones
  • Coordinate service connections at every module interface
  • Separate factory-installed and site-installed work clearly
  • Review assembly sequence and inspection access in the model

LUA BIM LABS Insight

Modular BIM succeeds when the same correct decision can be repeated many times. Repeatability is the product.


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