- Project plans
- Project activities
- Legislation and standards
- Industry context
- Specialist wikis
Last edited 06 Mar 2021
- A variable blockage as: ‘A variable accumulation of debris or sediment that reduces flow area and potentially leads to flooding, scour or other impacts. When on a screen sometimes referred to as blinding’. Where a screen is: ‘An arrangement of bars, grids or poles placed in a watercourse.’
- A permanent blockage as: ‘A permanent fixture such as a service crossing or support that reduces the flow area of a channel, culvert, screen or other structure (eg screen bars).’
 Related articles on Designing Buildings Wiki
Featured articles and news
Significant changes to BS 7671:2018+A2:2022 announced.
Students available for administrative roles.
Delisting a World Heritage Site.
Design needs to be more diverse to be widely accessible.
It’s not always a case of the centre leading.
PHribbon toolbar developed for US market.
CIOB consultation seeks feedback on APPG 2020 report.
How to respond to changes made in the October 2021 update.
Resource provides professional installation assistance.