- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 11 Oct 2018
Construction industry acronyms - O
This article presents a list of construction industry acronyms beginning with 'O'.
For other letters click on the list below:
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
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)
OV - Oven
OZ - Outer Zone
Featured articles and news
Blighting local areas, preventing investment and and encouraging anti-social behaviour.
Sharing knowledge about the conservation of the built and historic environment.
CIOB launches a call to improve quality in the built environment.
Vastint gets permission for a 6.6 hectare site to support the expansion of Leeds’ city core.
One of the Isle of Man’s best 1960s buildings.
Using renewable energy in developing countries - QSAND and Loughborough University Research collaboration.
From frost damage to sulphate attack, common causes of defects in brickwork.
Precautions to take when making advance payments.
Helping communities recover from disasters and protecting them before they occur.
Instrumentation for critical healthcare environments.
Case study in the use of soft landings at the University of the West of England.