Construction Abbreviations and Acronyms

1. RO
   Rough Bpening
2. RO
   Regional Office
3. RO
   Reverse Osmosis
4. ROCIP
   Rolling Owner Controlled Insurance Program
5. ROCKWELL
   Rockwell Hanford Operations
6. ROH
   RUNNING OPERATING HOURS
7. ROIC
   Resident Officer In Charge
8. ROJ
   Required On Job Site
9. ROM
   Rough Order of Magnrtude
10. ROM
    Rough Order of Magnitude
11. ROOFG
    Roofing
12. ROR
    Repair of Repairables
13. ROSE
    Recognition of Safety Excellence
14. ROW
    Right of Way
15. ROW
    Right of Jay
16. ROW
    Right-Of-Way
17. ROZC
    Red Oxide Zinc Chromate
18. RP
    Request for Proposal
19. RP
    Recovery Peg
20. RPAA
    Radiata Pine Association of Australia

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