Construction Abbreviations and Acronyms

1. B/T
   Between
2. CCN
   Contract Change Notice
3. CCN
   Contract Change Notification
4. P/N
   Part Number
5. R-R
   Remove & Replace
6. CCW
   Counter Clockwise
7. SSW
   Solid-State Welding
8. addtl
   Additional
9. ACI
   American Concrete Institute
10. ACI
    Allied Construction Industries
11. PASC
    Pacific Area Standards Congress
12. SARA
    Superfund Amendment and Reauthorization Act
13. SERC
    Science and Engineering Research Council
14. D&C
    Direct Current
15. ACSM
    American Congress on Surveying and Mapping
16. AITC
    American Institute of Timber Construction
17. asnt
    American Society for Nondestructive Testing's
18. CISCA
    Ceilings Interior Systems Construction Association
19. COSA
    Construction Open Software Alliance
20. COTS
    Commercial Off the Shelf Software

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