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Last edited 21 Mar 2019
Construction industry acronyms - O
This article presents a list of construction industry acronyms beginning with 'O'.
For other letters click on the list below:
02 - oxygen
O/A - On or About
OA - On or About
OBC - Outline Business Case
Obs - Obsolete/Obsolescent
OBST - Operational Business Systems Team
OC - On Centre
OC - Open Crossing
OCT - Overseas Countries and Territories
OD - Ordnance Datum
OD - Outside Diameter
ODA - Olympic Delivery Authority
ODP - Ozone Depletion Potential
ODS - Ozone Delpleting Substances.
OECD - Organisation for Economic Cooperation and Development
OEL - Occupational Exposure Limit
OELS - Organic Entry Level Stewardship
OES - Occupational Exposure Standard
OF - Overflow
OFL - Over-Flow alarm
OGD - Other Government Departments
OGSF - Overall Gross Square Footage
OH - Occupational Health
OH - Over Head
OH&P - Overhead and Profit
OHAC - Occupational Health Advisory Committee
OHP - Overhead Projector
OIL - Open Items List
OIL - Outstanding Items List
OIOO - One In One Out
OIR - Oganisational Information Requirements
OITO - One In Two Out
OLB - Timber Origin and Legality (Origine et Légalité des Bois)
OLC - Open Level Crossing
OLE - Object Linking and Embedding
OLE - overhead line equipment
OM - Operating & Maintenance (Manual)
OM - Operations Manager
OM - Organic Matter
OML - Ordinary Maternity Leave
OMM / O&MM Operation & Maintenance Manual
ONS - Office for National Statistics
OPA - Output and Performance Analysis
OPC – Ordinary Portland Cement
OPIP - Operational Process Improvement Project
OPO - One Person Operated
ORC - Organic Rankine Cycle
OS - Ordnance Survey
OSB - Oriented Strand Board
OSC - Operational Safety Case
OSI - Open Systems Interconnection (model)
OSL - Overhead Slab Level
OV - Oven
OZ - Outer Zone
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