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
Delayed, derailed and devalued
How the UK’s planning crisis is undermining British manufacturing.
How much does it cost to build a house?
A brief run down of key considerations from a London based practice.
The need for a National construction careers campaign
Highlighted by CIOB to cut unemployment, reduce skills gap and deliver on housing and infrastructure ambitions.
AI-Driven automation; reducing time, enhancing compliance
Sustainability; not just compliance but rethinking design, material selection, and the supply chains to support them.
Climate Resilience and Adaptation In the Built Environment
New CIOB Technical Information Sheet by Colin Booth, Professor of Smart and Sustainable Infrastructure.
Turning Enquiries into Profitable Construction Projects
Founder of Develop Coaching and author of Building Your Future; Greg Wilkes shares his insights.
IHBC Signpost: Poetry from concrete
Scotland’s fascinating historic concrete and brutalist architecture with the Engine Shed.
Demonstrating that apprenticeships work for business, people and Scotland’s economy.
Scottish parents prioritise construction and apprenticeships
CIOB data released for Scottish Apprenticeship Week shows construction as top potential career path.
From a Green to a White Paper and the proposal of a General Safety Requirement for construction products.
Creativity, conservation and craft at Barley Studio. Book review.
The challenge as PFI agreements come to an end
How construction deals with inherited assets built under long-term contracts.
Skills plan for engineering and building services
Comprehensive industry report highlights persistent skills challenges across the sector.
Choosing the right design team for a D&B Contract
An architect explains the nature and needs of working within this common procurement route.
Statement from the Interim Chief Construction Advisor
Thouria Istephan; Architect and inquiry panel member outlines ongoing work, priorities and next steps.
The 2025 draft NPPF in brief with indicative responses
Local verses National and suitable verses sustainable: Consultation open for just over one week.