Construction Abbreviations and Acronyms

1. IQSSL
   Institute of Quantity Surveyors Sri Lanka
2. IR
   Infrared
3. IR
   Industrial Relations
4. IR
   Infra-Red
5. IR
   Isoprene Rubber
6. IR
   Inspection Request
7. IRAL
   Ian Ritchie Architects Ltd
8. IRC
   Ihternal Reflected Component
9. IRHD
   International Rubber Hardness Degree
10. IRLG
    Mammal Large Mammal Ingestion Rate
11. IRM
    Interactive Remote Maintenance
12. IRMI
    Insurance Risk Management Institute
13. IRP
    Incentive Rewards Program
14. IRS
    Incident Reporting System
15. IRS
    Information Release Schedule
16. IRSM
    Mammal Small Mammal Ingestion Rate
17. IRTBA
    Illinois Road and Transportation Builders Association
18. IS
    Inyuction Soldering
19. IS
    Iplet Sump
20. IS
    Insect Screen

Last updated: May 2, 2025 — Total entries: 8,262