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
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
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
OLB - Timber Origin and Legality (Origine et Légalité des Bois)
OLC - Open Level Crossing
OLE - Object Linking and Embedding
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)
OSRPA - Offices Shops and Railway Premises Act
OV - Oven
OZ - Outer Zone
Featured articles and news
How to ensure UK transport infrastructure copes with severe winter weather.
Location shortlist for controversial new footbridge revealed.
Under the Party Wall Act a property owner has the legal right to do works that might otherwise constitute trespass or nuisance.
BSRIA examine the 'unpredictable' 2018 global air conditioning market.
ICE publish new report calling for new sector-wide body to help avert structural failures.
The talent pool in the LGBT community
The rainbow JCB will be making a welcome return to the London Build Expo on 23 and 24 October at Olympia.
An introductory article to external works - all activities carried out to the external environment of a building project.
With the clock ticking, RIBA say that a 'no deal Brexit' will be "disastrous" for the architecture profession.
The focus is generally on the lime binder, but the aggregate is actually the most significant element.
Planning construction projects
The importance of communication, collaboration and simplicity when planning construction projects.