| Term | Definition / Meaning / Stand for |
| I.D.E.A. |
Industrial Design Engineering |
| I.F.C. |
Issued For Construction |
| I.I.B.C. |
International Institute of Building Construction |
| I.M.P. |
Integrated Modeling Process |
| I.P.C.E. |
International Pavement Construction Engineers |
| I.T.C. |
International Trade Center |
| I.T.S.A. |
Integrated Thermal Solution Architecture |
| IAN |
Interim Advice Note |
| IKG |
Informatie en Klachtenbureau Gezondheidszorg |
| J.A.T. |
Joint Assessment Team |
| J.B.C.A. |
Joint Building Contractors Association |
| J.C.F. |
Joint Construction Funding |
| J.C.G. |
Joint Contract Guarantee |
| J.D.C. |
Joint Development Committee |
| J.D.C.P. |
Joint Design and Construction Plan |
| J.D.S. |
Joint Design Services |
| J.D.S.P. |
Joint Design and Survey Planning |
| J.I.S.A. |
Joint Inspection and Survey Agreement |
| J.M.P.C. |
Joint Maintenance Planning Committee |
| J.P.I. |
Joint Project Inspection |
| J.P.S.P. |
Joint Planning and Survey Plan |
| K.C.S. |
Key Construction Services |
| K.M.P. |
Key Materials Planning |
| K.M.S. |
Knowledge Management Systems |
| K.M.T. |
Knowledge Management Techniques |
| K.P.D. |
Kinetic Pavement Design |
| K.P.R. |
Key Project Renovation |
| K.P.T. |
Key Planning Techniques |
| K.R.C.D. |
Key Renovation Construction Design |
| K.R.P. |
Key Renovation Planning |
| K.S.C. |
Key Sustainability Criteria |
| KIK |
Key-In-Knob |
| L.A. |
Landscape Architecture |
| L.A.B. |
Landscape Architecture Bureau |
| L.A.T. |
Landscape Area Treatment |
| L.A.T.A. |
Landscape Architecture Technical Assistance |
| L.B.E. |
Load Bearing Elements |
| L.C.A. |
Life Cycle Assessment |
| L.C.P.A. |
Low-Cost Planning Assistance |
| L.E.I. |
Low-Emission Insulation |
| L.F.L. |
Load Floor Load |
| L.G. |
Light Gauge Steel |
| L.I.S. |
Load Indexing System |
| L.R.E. |
Load Regulation Equipment |
| L.S.A. |
Landscaping Survey Analysis |
| L.S.D. |
Limit State Design |
| L.V.B. |
Low-Voltage Building |
| L.V.F. |
Low-Velocity Floor |
| LVNG |
Landelijke Vereniging Natuurlijke Geneeswijzen |
| LYV |
Little Yosemite Valley |
| M.A.C. |
Modular Architecture Components |
| M.A.C.S. |
Modular Architecture Construction Systems |
| M.A.D.S. |
Modular Architectural Design Strategy |
| M.A.P.S. |
Modular Architectural Planning Standards |
| M.A.S. |
Material and Structural |
| M.A.S.T. |
Modular Architecture and Structural Technology |
| M.C.D.S. |
Master Construction Document Set |
| M.D.I. |
Modular Design Innovation |
| M.D.P.T. |
Master Development Planning Team |
| M.D.S.S. |
Master Design Standards and Specifications |
| M.E.R. |
Materials Efficiency Rating |
| M.E.S.P. |
Mechanical Engineering Specifications Package |
| M.I.P.R. |
Modular Infrastructure Planning Review |
| M.L.R. |
Material Load Rating |
| M.O.D. |
Modular Design |
| M.P.C.S. |
Master Planning Construction Standards |
| M.R.T. |
Residential Technical Specifications |
| N.A.B.E. |
National Association of Building Enclosures |
| N.A.C.B. |
National Association of Building Contractors |
| N.A.S.A. |
National Aeronautics and Space Administration |