Construction Abbreviations and Acronyms

1. MFRR
   Manufacturer
2. N AVAL
   Not Available
3. SPRT
   Support
4. N/A OR NA
   Not Applicable
5. O AND M
   Operations and Maintenance
6. CIRCUM
   Circumference
7. N/0
   Normally Open
8. RM/MS&C
   Control
9. S@MSCC
   System
10. ACS DR
    Access Door
11. ACS PNL
    Access Panel
12. ACID RES
    Acid Resistant
13. ALNMT
    Alignment
14. ALTRN
    Alteration
15. B PL
    Base Plate
16. BOT F
    Bottom Face
17. BOT P
    Bottom of Pipe
18. B CL
    Broom Closet
19. BLKHD
    Bulkhead
20. CLG GRL
    Ceiling Grille

Last updated: May 2, 2025 — Total entries: 8,267