Information Need Matrix
LOIN per ISO 7817-1:2024 · Discipline × Stage · Click cell to edit
Method:
G — Geometric
Shape, position, dimensions
G0Not required
G1Symbolic / Representative
G2Approximate / Bounding box
G3Precise / Coordinated
G4Detailed (construction-ready)
A — Alphanumeric
Attributes: material, manufacturer, cost
A0Not required
A1Basic (type, material)
A2Standard (manufacturer, specs)
A3Full (warranty, cost, O&M)
D — Documentation
Docs: specs, certificates, O&M guides
D0Not required
D1Concept documentation
D2Technical specification
D3Certificates & full O&M guides
| Discipline | ST1 Concept / Pre-design | ST2 Technical Design | ST3 Construction Drawings | ST4 Construction | ST5 As-built / AIM |
|---|---|---|---|---|---|
ARCH Architecture | |||||
STRU Structure | |||||
MECH MEP — Mechanical | |||||
ELEC MEP — Electrical | |||||
PLUM MEP — Plumbing |
3-axis LOIN method per ISO 7817-1:2024. The G0–G4/A0–A3/D0–D3 scale and the defaults for a typical VN building are a BIMKit profile (reference heuristic), not prescribed by ISO. Color reflects G level. Click to edit.