Construction industry acronyms - O
This article presents a list of construction industry acronyms beginning with 'O'.
For other letters click on the list below:
A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
[edit] O
02 - oxygen
O&M - Operations and Maintenance (See Building Owner's Manual)
O/A - On or About
OA - On or About
OAPF - opportunity area planning framework
OBC - Outline Business Case
Obs - Obsolete/Obsolescent
OBST - Operational Business Systems Team
OC - On Centre
OC - Open Crossing
OCDEA - On Construction Domestic Energy Assessor
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
OFGEM - Office of Gas and Electricity Markets
OFL - Over-Flow alarm
OFS - Oil Fired Appliance Standard
OFWAT - Office of Water Services
OfWAT - The Water Services Regulation Authority
OGC - Office of Government Commerce (no longer in existence)
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
OJEU - Official Journal of the European Union
OLA - Occupiers' Liability Act
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
OPAS - Operational Property Asset System
OPC – Ordinary Portland Cement
OPEX - Operational Expenditure
OPIP - Operational Process Improvement Project
OPM - Output and Performance Measures
OPO - One Person Operated
OPPI - Owners' Protective Professional Insurance
OPR - Owner's Project Requirements
ORC - Organic Rankine Cycle
ORR - Office of Rail Regulation
OS - Ordnance Survey
OSB - Oriented Strand Board
OSC - Operational Safety Case
OSD - Over Site Development
OSI - Open Systems Interconnection (model)
OSL - Overhead Slab Level
OSRPA - Offices Shops and Railway Premises Act
OV - Oven
OZ - Outer Zone
Featured articles and news
An architectural technologist in Germany.
3 World Trade Center designed by RSH+P
The struggle to achieve net-zero emissions by 2050.
What is 'agent of change' and who does it protect?
A consistent and measurable approach to home adaptation.
Acknowledging and challenging the realms and interpretations of heritage.
Embodied carbon in construction steel.
Building Information Modelling
A prototype for assessing circularity in buildings.
New Wiki site is set to make BIM mainstream.
Failure modes and effect analysis
FMEA is a step-by-step approach for collecting knowledge about possible points of failure.
The various types and everything else.