Watercourse screen
Culvert, screen and outfall manual, (CIRIA C786) published by CIRIA in 2019, defines a screen as: ‘An arrangement of bars, grids or poles placed in a watercourse.’
A course screen is: ‘A course screen designed to collect large debris, usually upstream of a culvert.’
A debris screen or trash screen is a: ‘Screen at the inlet of a culvert designed to prevent debris from entering the culvert and causing a blockage.’
A fish screen is: ‘A screen designed to prevent fish being washed into culverts (usually on outlets to ponds and reservoirs).’
A safety screen or security screen is: ‘A screen comprising closely-spaced bars, designed to prevent unauthorised or accidental access to a conduit or other hydraulic structure, which reduces the risk of someone coming to harm.’
A tree screen is a: ‘ Screen upstream of a culvert designed to prevent tree trunks and branches from blocking a culvert or debris screen.’
A weed screen is: ‘A screen comprising closely-spaced bars designed to prevent floating vegetation and small debris entering water intakes and pumping stations.’
[edit] Related articles on Designing Buildings Wiki
Featured articles and news
Brick slip soffit systems and intricate brick features.
How to write them and what they should include.
Pressure Independent Control Valves (PICVs)
Assessing the most beneficial design elements.
Exploring different types of vinyl flooring.
New Government task force will build beauty into reformed planning process.
Why it's great to be a civil engineer
Five outstanding aspects of the profession.
The seismic strengthening of historic churches.
ECA Engineering Services Survey
Results show guarded optimism and payment concerns.
Noteworthy navigable aqueducts.
Technology is making remote work a reality.
Carefully placed structures add drama to pastoral vistas.
Making mission impossible...possible!
Report provides actions required by 2030 to achieve a zero carbon economy.