- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 27 Aug 2020
Annual exceedance probability
Culvert, screen and outfall manual, (CIRIA C786) published by CIRIA in 2019, defines the annual exceedance probability as the: ‘Probability of exceeding a specified flow or level in any year (inverse of the return period for an annual maximum series.)’
See also: Return period.
 Related articles on Designing Buildings Wiki
- Catchment flood management plans.
- Detention pond.
- Flood and water management act.
- Flood risk management plans
- Flood risk.
- Median annual flood.
- Pitt Review Lessons learned from the 2007 floods.
- Return period.
- River engineering.
- SUDS Manual.
- Sustainable Urban Drainage Systems.
- Water engineering.
Featured articles and news
What's the verdict from the court of public opinion?
Shift to home-based work influences closed plan preferences.
An overview of the current state of the market.
Organisation offers best practices for construction and modification.
Heritage on the edge?
Prioritising tax considerations.
The four D creative process: discover, define, develop and deliver.
National Cyber Security Centre initiative is announced.
Reviewing trends and projections.
Legislation will establish initiatives to move towards net zero.
How to document contractor employment status.
Tech tools to help manage people and space post-pandemic.
A style that ranges from mock Tudor to arts and crafts to the 'Wrenaissance'.
Free guide from Secured by Design.