Construction Abbreviations and Acronyms

1. RAD HAZ
   Radiation Hazard
2. ST PR
   Static Pressure
3. TK BD
   Tackboard
4. THRES
   Threshold
5. RY/RWY
   Runway
6. CMRCL
   Commercial
7. A.G.A
   American Gas Association
8. r-f
   Radio Frequency
9. S.W.P.
   Safe Working Pressure
10. E.D.R.
    Equivalent Direct Radiation
11. r/h
    Relative Humidity
12. P.L.F.
    Plant Load Factor
13. i.p.s.
    Iron Pipe Size
14. M2F
    Male To Female
15. FCD
    For Construction Drawing
16. CAT
    Caterpillar Inc.
17. CAT
    Construction Activity Tracking

Last updated: May 2, 2025 — Total entries: 8,317