- 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
Survey reveals green skills gap.
America's economic collapse produced scores of PWA Moderne projects.
The benefits of glowing aggregates and cement.
Urgent need for open communication to address mental health issues.
Guidance offered on COVID-19 green recovery, building safety and more.
Providing strength and support above the joists.
Enforcer will test and investigate product safety.
Underfloor air conditioning comes to 24 St James's Square.
Consultation on public right to buy unused public property.
IHBC resource offers improved consistency.
New laws to ‘retain and explain’ historic statues.
The principles and art of the possible. Book review.